November 2019 - kbuild-all

Re: [PATCH] libertas: Fix two buffer overflows at parsing bss descriptor

by kbuild test robot

Hi, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on wireless-drivers-next/master] [also build test WARNING on v5.4-rc8 next-20191122] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/huangwenabc-gmail-com/libertas-F... base: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-ne... master config: sh-allmodconfig (attached as .config) compiler: sh4-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=sh If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com> All warnings (new ones prefixed by >>): drivers/net/wireless/marvell/libertas/cfg.c: In function 'lbs_ibss_join_existing': >> drivers/net/wireless/marvell/libertas/cfg.c:1788:3: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] u8 *rates = cmd.bss.rates; ^~ vim +1788 drivers/net/wireless/marvell/libertas/cfg.c e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1715 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1716 static int lbs_ibss_join_existing(struct lbs_private *priv, e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1717 struct cfg80211_ibss_params *params, e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1718 struct cfg80211_bss *bss) e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1719 { 9caf03640279e6 drivers/net/wireless/libertas/cfg.c Johannes Berg 2012-11-29 1720 const u8 *rates_eid; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1721 struct cmd_ds_802_11_ad_hoc_join cmd; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1722 u8 preamble = RADIO_PREAMBLE_SHORT; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1723 int ret = 0; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1724 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1725 /* TODO: set preamble based on scan result */ e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1726 ret = lbs_set_radio(priv, preamble, 1); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1727 if (ret) e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1728 goto out; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1729 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1730 /* e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1731 * Example CMD_802_11_AD_HOC_JOIN command: e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1732 * e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1733 * command 2c 00 CMD_802_11_AD_HOC_JOIN e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1734 * size 65 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1735 * sequence xx xx e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1736 * result 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1737 * bssid 02 27 27 97 2f 96 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1738 * ssid 49 42 53 53 00 00 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1739 * 00 00 00 00 00 00 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1740 * 00 00 00 00 00 00 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1741 * 00 00 00 00 00 00 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1742 * type 02 CMD_BSS_TYPE_IBSS e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1743 * beacon period 64 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1744 * dtim period 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1745 * timestamp 00 00 00 00 00 00 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1746 * localtime 00 00 00 00 00 00 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1747 * IE DS 03 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1748 * IE DS len 01 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1749 * IE DS channel 01 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1750 * reserveed 00 00 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1751 * IE IBSS 06 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1752 * IE IBSS len 02 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1753 * IE IBSS atim 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1754 * reserved 00 00 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1755 * capability 02 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1756 * rates 82 84 8b 96 0c 12 18 24 30 48 60 6c 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1757 * fail timeout ff 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1758 * probe delay 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1759 */ e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1760 memset(&cmd, 0, sizeof(cmd)); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1761 cmd.hdr.size = cpu_to_le16(sizeof(cmd)); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1762 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1763 memcpy(cmd.bss.bssid, bss->bssid, ETH_ALEN); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1764 memcpy(cmd.bss.ssid, params->ssid, params->ssid_len); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1765 cmd.bss.type = CMD_BSS_TYPE_IBSS; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1766 cmd.bss.beaconperiod = cpu_to_le16(params->beacon_interval); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1767 cmd.bss.ds.header.id = WLAN_EID_DS_PARAMS; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1768 cmd.bss.ds.header.len = 1; 683b6d3b31a519 drivers/net/wireless/libertas/cfg.c Johannes Berg 2012-11-08 1769 cmd.bss.ds.channel = params->chandef.chan->hw_value; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1770 cmd.bss.ibss.header.id = WLAN_EID_IBSS_PARAMS; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1771 cmd.bss.ibss.header.len = 2; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1772 cmd.bss.ibss.atimwindow = 0; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1773 cmd.bss.capability = cpu_to_le16(bss->capability & CAPINFO_MASK); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1774 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1775 /* set rates to the intersection of our rates and the rates in the e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1776 bss */ 9caf03640279e6 drivers/net/wireless/libertas/cfg.c Johannes Berg 2012-11-29 1777 rcu_read_lock(); 9caf03640279e6 drivers/net/wireless/libertas/cfg.c Johannes Berg 2012-11-29 1778 rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SUPP_RATES); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1779 if (!rates_eid) { e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1780 lbs_add_rates(cmd.bss.rates); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1781 } else { e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1782 int hw, i; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1783 u8 rates_max = rates_eid[1]; bb7da3c8c1a225 drivers/net/wireless/marvell/libertas/cfg.c Wen Huang 2019-11-22 1784 if (rates_max > MAX_RATES) { bb7da3c8c1a225 drivers/net/wireless/marvell/libertas/cfg.c Wen Huang 2019-11-22 1785 lbs_deb_join("invalid rates"); bb7da3c8c1a225 drivers/net/wireless/marvell/libertas/cfg.c Wen Huang 2019-11-22 1786 goto out; bb7da3c8c1a225 drivers/net/wireless/marvell/libertas/cfg.c Wen Huang 2019-11-22 1787 } e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 @1788 u8 *rates = cmd.bss.rates; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1789 for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) { e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1790 u8 hw_rate = lbs_rates[hw].bitrate / 5; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1791 for (i = 0; i < rates_max; i++) { e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1792 if (hw_rate == (rates_eid[i+2] & 0x7f)) { e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1793 u8 rate = rates_eid[i+2]; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1794 if (rate == 0x02 || rate == 0x04 || e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1795 rate == 0x0b || rate == 0x16) e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1796 rate |= 0x80; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1797 *rates++ = rate; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1798 } e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1799 } e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1800 } e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1801 } 9caf03640279e6 drivers/net/wireless/libertas/cfg.c Johannes Berg 2012-11-29 1802 rcu_read_unlock(); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1803 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1804 /* Only v8 and below support setting this */ e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1805 if (MRVL_FW_MAJOR_REV(priv->fwrelease) <= 8) { e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1806 cmd.failtimeout = cpu_to_le16(MRVDRV_ASSOCIATION_TIME_OUT); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1807 cmd.probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1808 } e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1809 ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_JOIN, &cmd); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1810 if (ret) e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1811 goto out; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1812 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1813 /* e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1814 * This is a sample response to CMD_802_11_AD_HOC_JOIN: e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1815 * e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1816 * response 2c 80 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1817 * size 09 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1818 * sequence xx xx e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1819 * result 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1820 * reserved 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1821 */ e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1822 lbs_join_post(priv, params, bss->bssid, bss->capability); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1823 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1824 out: e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1825 return ret; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1826 } e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1827 :::::: The code at line 1788 was first introduced by commit :::::: e86dc1ca4676445d9f0dfe35104efe0eb8a2f566 Libertas: cfg80211 support :::::: TO: Kiran Divekar <dkiran(a)marvell.com> :::::: CC: John W. Linville <linville(a)tuxdriver.com> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation

6 months

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Re: [PATCH v15 06/19] leds: lp50xx: Add the LP50XX family of the RGB LED driver

by kbuild test robot

Hi Dan, I love your patch! Yet something to improve: [auto build test ERROR on j.anaszewski-leds/for-next] [also build test ERROR on v5.4-rc5 next-20191029] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Dan-Murphy/Multicolor-Framework/... base: https://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds.git for-next config: mips-allmodconfig (attached as .config) compiler: mips-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=mips If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com> All errors (new ones prefixed by >>): >> drivers//leds/leds-lp50xx.c:360:27: error: initializer element is not constant .lp50xx_regmap_config = lp5012_regmap_config, ^~~~~~~~~~~~~~~~~~~~ drivers//leds/leds-lp50xx.c:360:27: note: (near initialization for 'lp50xx_chip_info_tbl[0].lp50xx_regmap_config') drivers//leds/leds-lp50xx.c:371:27: error: initializer element is not constant .lp50xx_regmap_config = lp5012_regmap_config, ^~~~~~~~~~~~~~~~~~~~ drivers//leds/leds-lp50xx.c:371:27: note: (near initialization for 'lp50xx_chip_info_tbl[1].lp50xx_regmap_config') drivers//leds/leds-lp50xx.c:382:27: error: initializer element is not constant .lp50xx_regmap_config = lp5024_regmap_config, ^~~~~~~~~~~~~~~~~~~~ drivers//leds/leds-lp50xx.c:382:27: note: (near initialization for 'lp50xx_chip_info_tbl[2].lp50xx_regmap_config') drivers//leds/leds-lp50xx.c:393:27: error: initializer element is not constant .lp50xx_regmap_config = lp5024_regmap_config, ^~~~~~~~~~~~~~~~~~~~ drivers//leds/leds-lp50xx.c:393:27: note: (near initialization for 'lp50xx_chip_info_tbl[3].lp50xx_regmap_config') drivers//leds/leds-lp50xx.c:404:27: error: initializer element is not constant .lp50xx_regmap_config = lp5036_regmap_config, ^~~~~~~~~~~~~~~~~~~~ drivers//leds/leds-lp50xx.c:404:27: note: (near initialization for 'lp50xx_chip_info_tbl[4].lp50xx_regmap_config') drivers//leds/leds-lp50xx.c:415:27: error: initializer element is not constant .lp50xx_regmap_config = lp5036_regmap_config, ^~~~~~~~~~~~~~~~~~~~ drivers//leds/leds-lp50xx.c:415:27: note: (near initialization for 'lp50xx_chip_info_tbl[5].lp50xx_regmap_config') vim +360 drivers//leds/leds-lp50xx.c 349 350 static const struct lp50xx_chip_info lp50xx_chip_info_tbl[] = { 351 [LP5009] = { 352 .model_id = LP5009, 353 .max_modules = LP5009_MAX_LED_MODULES, 354 .num_leds = LP5009_MAX_LEDS, 355 .led_brightness0_reg = LP5012_LED0_BRT, 356 .mix_out0_reg = LP5012_OUT0_CLR, 357 .bank_brt_reg = LP5012_BNK_BRT, 358 .bank_mix_reg = LP5012_BNKA_CLR, 359 .reset_reg = LP5012_RESET, > 360 .lp50xx_regmap_config = lp5012_regmap_config, 361 }, 362 [LP5012] = { 363 .model_id = LP5012, 364 .max_modules = LP5012_MAX_LED_MODULES, 365 .num_leds = LP5012_MAX_LEDS, 366 .led_brightness0_reg = LP5012_LED0_BRT, 367 .mix_out0_reg = LP5012_OUT0_CLR, 368 .bank_brt_reg = LP5012_BNK_BRT, 369 .bank_mix_reg = LP5012_BNKA_CLR, 370 .reset_reg = LP5012_RESET, 371 .lp50xx_regmap_config = lp5012_regmap_config, 372 }, 373 [LP5018] = { 374 .model_id = LP5018, 375 .max_modules = LP5018_MAX_LED_MODULES, 376 .num_leds = LP5018_MAX_LEDS, 377 .led_brightness0_reg = LP5024_LED0_BRT, 378 .mix_out0_reg = LP5024_OUT0_CLR, 379 .bank_brt_reg = LP5024_BNK_BRT, 380 .bank_mix_reg = LP5024_BNKA_CLR, 381 .reset_reg = LP5024_RESET, 382 .lp50xx_regmap_config = lp5024_regmap_config, 383 }, 384 [LP5024] = { 385 .model_id = LP5024, 386 .max_modules = LP5024_MAX_LED_MODULES, 387 .num_leds = LP5024_MAX_LEDS, 388 .led_brightness0_reg = LP5024_LED0_BRT, 389 .mix_out0_reg = LP5024_OUT0_CLR, 390 .bank_brt_reg = LP5024_BNK_BRT, 391 .bank_mix_reg = LP5024_BNKA_CLR, 392 .reset_reg = LP5024_RESET, 393 .lp50xx_regmap_config = lp5024_regmap_config, 394 }, 395 [LP5030] = { 396 .model_id = LP5030, 397 .max_modules = LP5030_MAX_LED_MODULES, 398 .num_leds = LP5030_MAX_LEDS, 399 .led_brightness0_reg = LP5036_LED0_BRT, 400 .mix_out0_reg = LP5036_OUT0_CLR, 401 .bank_brt_reg = LP5036_BNK_BRT, 402 .bank_mix_reg = LP5036_BNKA_CLR, 403 .reset_reg = LP5036_RESET, 404 .lp50xx_regmap_config = lp5036_regmap_config, 405 }, 406 [LP5036] = { 407 .model_id = LP5036, 408 .max_modules = LP5036_MAX_LED_MODULES, 409 .num_leds = LP5036_MAX_LEDS, 410 .led_brightness0_reg = LP5036_LED0_BRT, 411 .mix_out0_reg = LP5036_OUT0_CLR, 412 .bank_brt_reg = LP5036_BNK_BRT, 413 .bank_mix_reg = LP5036_BNKA_CLR, 414 .reset_reg = LP5036_RESET, 415 .lp50xx_regmap_config = lp5036_regmap_config, 416 }, 417 }; 418 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation

7 months, 2 weeks

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drivers/acpi/processor_thermal.c:66:1: warning: the frame size of 2160 bytes is larger than 2048 bytes

by kbuild test robot

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 96b95eff4a591dbac582c2590d067e356a18aacb commit: 3000ce3c52f8b8db093e4dc649cd172390f71137 cpufreq: Use per-policy frequency QoS date: 4 weeks ago config: ia64-randconfig-a001-20191115 (attached as .config) compiler: ia64-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 3000ce3c52f8b8db093e4dc649cd172390f71137 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com> All warnings (new ones prefixed by >>): drivers/acpi/processor_thermal.c: In function 'cpu_has_cpufreq.part.0': >> drivers/acpi/processor_thermal.c:66:1: warning: the frame size of 2160 bytes is larger than 2048 bytes [-Wframe-larger-than=] } ^ -- drivers/cpufreq/cpufreq.c: In function 'refresh_frequency_limits.part.33': >> drivers/cpufreq/cpufreq.c:1116:1: warning: the frame size of 2160 bytes is larger than 2048 bytes [-Wframe-larger-than=] } ^ drivers/cpufreq/cpufreq.c: In function 'store_scaling_governor': drivers/cpufreq/cpufreq.c:789:1: warning: the frame size of 2176 bytes is larger than 2048 bytes [-Wframe-larger-than=] } ^ drivers/cpufreq/cpufreq.c: In function 'cpufreq_init_policy': drivers/cpufreq/cpufreq.c:1081:1: warning: the frame size of 2160 bytes is larger than 2048 bytes [-Wframe-larger-than=] } ^ vim +66 drivers/acpi/processor_thermal.c 2815ab92ba3ab2 Andi Kleen 2012-02-06 59 ^1da177e4c3f41 Linus Torvalds 2005-04-16 60 static int cpu_has_cpufreq(unsigned int cpu) ^1da177e4c3f41 Linus Torvalds 2005-04-16 61 { ^1da177e4c3f41 Linus Torvalds 2005-04-16 62 struct cpufreq_policy policy; d15ce412737acc Viresh Kumar 2019-08-28 63 if (!acpi_processor_cpufreq_init || cpufreq_get_policy(&policy, cpu)) ^1da177e4c3f41 Linus Torvalds 2005-04-16 64 return 0; 75b245b3259133 Thomas Renninger 2005-12-21 65 return 1; ^1da177e4c3f41 Linus Torvalds 2005-04-16 @66 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 67 :::::: The code at line 66 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torvalds(a)ppc970.osdl.org> :::::: CC: Linus Torvalds <torvalds(a)ppc970.osdl.org> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation

8 months, 1 week

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[lkp] [+573 bytes kernel size regression] [i386-tinyconfig] [00f2dfd8c2] open: introduce openat2(2) syscall

by kbuild test robot

FYI, we noticed a +573 bytes kernel size regression due to commit: commit: 00f2dfd8c2a40f6dd7a74eae598a174484d848c4 (open: introduce openat2(2) syscall) Details as below (size data is obtained by `nm --size-sort vmlinux`): 97a4cce0: namei: LOOKUP_{IN_ROOT,BENEATH}: permit limited ".." resolution 00f2dfd8: open: introduce openat2(2) syscall +-----------------------+----------+----------+-------+ | symbol | 97a4cce0 | 00f2dfd8 | delta | +-----------------------+----------+----------+-------+ | bzImage | 439168 | 439424 | 256 | | nm.t.build_open_flags | 214 | 349 | 135 | | nm.T.__se_sys_openat2 | 0 | 122 | 122 | | nm.T.sys_openat2 | 0 | 122 | 122 | | nm.t.do_sys_openat2 | 0 | 116 | 116 | | nm.t.build_open_how | 0 | 78 | 78 | | nm.T.file_open_name | 41 | 73 | 32 | | nm.T.file_open_root | 52 | 84 | 32 | | nm.D.sys_call_table | 1744 | 1752 | 8 | | nm.T.__se_sys_openat | 26 | 23 | -3 | | nm.T.sys_openat | 26 | 23 | -3 | | nm.T.__se_sys_open | 27 | 24 | -3 | | nm.T.sys_open | 27 | 24 | -3 | | nm.T.do_sys_open | 121 | 61 | -60 | +-----------------------+----------+----------+-------+ Thanks, Kbuild test robot

9 months

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Re: [PATCH v4 01/19] x86/msr-index: Clean up bit defines for IA32_FEATURE_CONTROL MSR

by kbuild test robot

Hi Sean, I love your patch! Yet something to improve: [auto build test ERROR on tip/auto-latest] [also build test ERROR on next-20191129] [cannot apply to tip/x86/core kvm/linux-next v5.4] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Sean-Christopherson/x86-cpu-Clea... base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git e445033e58108a9891abfbc0dea90b066a75e4a9 config: x86_64-randconfig-s0-20191128 (attached as .config) compiler: gcc-7 (Debian 7.4.0-14) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com> All errors (new ones prefixed by >>): In file included from arch/x86/include/asm/processor.h:22:0, from arch/x86/include/asm/cpufeature.h:5, from arch/x86/include/asm/thread_info.h:53, from include/linux/thread_info.h:38, from arch/x86/include/asm/preempt.h:7, from include/linux/preempt.h:78, from include/linux/percpu.h:6, from include/linux/cpuidle.h:14, from drivers/idle/intel_idle.c:45: drivers/idle/intel_idle.c: In function 'sklh_idle_state_table_update': >> drivers/idle/intel_idle.c:1287:10: error: 'MSR_IA32_FEATURE_CONTROL' undeclared (first use in this function); did you mean 'MSR_MISC_FEATURE_CONTROL'? rdmsrl(MSR_IA32_FEATURE_CONTROL, msr); ^ arch/x86/include/asm/msr.h:279:28: note: in definition of macro 'rdmsrl' ((val) = native_read_msr((msr))) ^~~ drivers/idle/intel_idle.c:1287:10: note: each undeclared identifier is reported only once for each function it appears in rdmsrl(MSR_IA32_FEATURE_CONTROL, msr); ^ arch/x86/include/asm/msr.h:279:28: note: in definition of macro 'rdmsrl' ((val) = native_read_msr((msr))) ^~~ vim +1287 drivers/idle/intel_idle.c 5dcef694860100 Len Brown 2016-04-06 1189 5dcef694860100 Len Brown 2016-04-06 1190 /* 5dcef694860100 Len Brown 2016-04-06 1191 * Translate IRTL (Interrupt Response Time Limit) MSR to usec 5dcef694860100 Len Brown 2016-04-06 1192 */ 5dcef694860100 Len Brown 2016-04-06 1193 5dcef694860100 Len Brown 2016-04-06 1194 static unsigned int irtl_ns_units[] = { 5dcef694860100 Len Brown 2016-04-06 1195 1, 32, 1024, 32768, 1048576, 33554432, 0, 0 }; 5dcef694860100 Len Brown 2016-04-06 1196 5dcef694860100 Len Brown 2016-04-06 1197 static unsigned long long irtl_2_usec(unsigned long long irtl) 5dcef694860100 Len Brown 2016-04-06 1198 { 5dcef694860100 Len Brown 2016-04-06 1199 unsigned long long ns; 5dcef694860100 Len Brown 2016-04-06 1200 3451ab3ebf92b1 Jan Beulich 2016-06-27 1201 if (!irtl) 3451ab3ebf92b1 Jan Beulich 2016-06-27 1202 return 0; 3451ab3ebf92b1 Jan Beulich 2016-06-27 1203 bef450962597ff Jan Beulich 2016-06-27 1204 ns = irtl_ns_units[(irtl >> 10) & 0x7]; 5dcef694860100 Len Brown 2016-04-06 1205 5dcef694860100 Len Brown 2016-04-06 1206 return div64_u64((irtl & 0x3FF) * ns, 1000); 5dcef694860100 Len Brown 2016-04-06 1207 } 5dcef694860100 Len Brown 2016-04-06 1208 /* 5dcef694860100 Len Brown 2016-04-06 1209 * bxt_idle_state_table_update(void) 5dcef694860100 Len Brown 2016-04-06 1210 * 5dcef694860100 Len Brown 2016-04-06 1211 * On BXT, we trust the IRTL to show the definitive maximum latency 5dcef694860100 Len Brown 2016-04-06 1212 * We use the same value for target_residency. 5dcef694860100 Len Brown 2016-04-06 1213 */ 5dcef694860100 Len Brown 2016-04-06 1214 static void bxt_idle_state_table_update(void) 5dcef694860100 Len Brown 2016-04-06 1215 { 5dcef694860100 Len Brown 2016-04-06 1216 unsigned long long msr; 3451ab3ebf92b1 Jan Beulich 2016-06-27 1217 unsigned int usec; 5dcef694860100 Len Brown 2016-04-06 1218 5dcef694860100 Len Brown 2016-04-06 1219 rdmsrl(MSR_PKGC6_IRTL, msr); 3451ab3ebf92b1 Jan Beulich 2016-06-27 1220 usec = irtl_2_usec(msr); 3451ab3ebf92b1 Jan Beulich 2016-06-27 1221 if (usec) { 5dcef694860100 Len Brown 2016-04-06 1222 bxt_cstates[2].exit_latency = usec; 5dcef694860100 Len Brown 2016-04-06 1223 bxt_cstates[2].target_residency = usec; 5dcef694860100 Len Brown 2016-04-06 1224 } 5dcef694860100 Len Brown 2016-04-06 1225 5dcef694860100 Len Brown 2016-04-06 1226 rdmsrl(MSR_PKGC7_IRTL, msr); 3451ab3ebf92b1 Jan Beulich 2016-06-27 1227 usec = irtl_2_usec(msr); 3451ab3ebf92b1 Jan Beulich 2016-06-27 1228 if (usec) { 5dcef694860100 Len Brown 2016-04-06 1229 bxt_cstates[3].exit_latency = usec; 5dcef694860100 Len Brown 2016-04-06 1230 bxt_cstates[3].target_residency = usec; 5dcef694860100 Len Brown 2016-04-06 1231 } 5dcef694860100 Len Brown 2016-04-06 1232 5dcef694860100 Len Brown 2016-04-06 1233 rdmsrl(MSR_PKGC8_IRTL, msr); 3451ab3ebf92b1 Jan Beulich 2016-06-27 1234 usec = irtl_2_usec(msr); 3451ab3ebf92b1 Jan Beulich 2016-06-27 1235 if (usec) { 5dcef694860100 Len Brown 2016-04-06 1236 bxt_cstates[4].exit_latency = usec; 5dcef694860100 Len Brown 2016-04-06 1237 bxt_cstates[4].target_residency = usec; 5dcef694860100 Len Brown 2016-04-06 1238 } 5dcef694860100 Len Brown 2016-04-06 1239 5dcef694860100 Len Brown 2016-04-06 1240 rdmsrl(MSR_PKGC9_IRTL, msr); 3451ab3ebf92b1 Jan Beulich 2016-06-27 1241 usec = irtl_2_usec(msr); 3451ab3ebf92b1 Jan Beulich 2016-06-27 1242 if (usec) { 5dcef694860100 Len Brown 2016-04-06 1243 bxt_cstates[5].exit_latency = usec; 5dcef694860100 Len Brown 2016-04-06 1244 bxt_cstates[5].target_residency = usec; 5dcef694860100 Len Brown 2016-04-06 1245 } 5dcef694860100 Len Brown 2016-04-06 1246 5dcef694860100 Len Brown 2016-04-06 1247 rdmsrl(MSR_PKGC10_IRTL, msr); 3451ab3ebf92b1 Jan Beulich 2016-06-27 1248 usec = irtl_2_usec(msr); 3451ab3ebf92b1 Jan Beulich 2016-06-27 1249 if (usec) { 5dcef694860100 Len Brown 2016-04-06 1250 bxt_cstates[6].exit_latency = usec; 5dcef694860100 Len Brown 2016-04-06 1251 bxt_cstates[6].target_residency = usec; 5dcef694860100 Len Brown 2016-04-06 1252 } 5dcef694860100 Len Brown 2016-04-06 1253 5dcef694860100 Len Brown 2016-04-06 1254 } d70e28f57e14a4 Len Brown 2016-03-13 1255 /* d70e28f57e14a4 Len Brown 2016-03-13 1256 * sklh_idle_state_table_update(void) d70e28f57e14a4 Len Brown 2016-03-13 1257 * d70e28f57e14a4 Len Brown 2016-03-13 1258 * On SKL-H (model 0x5e) disable C8 and C9 if: d70e28f57e14a4 Len Brown 2016-03-13 1259 * C10 is enabled and SGX disabled d70e28f57e14a4 Len Brown 2016-03-13 1260 */ d70e28f57e14a4 Len Brown 2016-03-13 1261 static void sklh_idle_state_table_update(void) d70e28f57e14a4 Len Brown 2016-03-13 1262 { d70e28f57e14a4 Len Brown 2016-03-13 1263 unsigned long long msr; d70e28f57e14a4 Len Brown 2016-03-13 1264 unsigned int eax, ebx, ecx, edx; d70e28f57e14a4 Len Brown 2016-03-13 1265 d70e28f57e14a4 Len Brown 2016-03-13 1266 d70e28f57e14a4 Len Brown 2016-03-13 1267 /* if PC10 disabled via cmdline intel_idle.max_cstate=7 or shallower */ d70e28f57e14a4 Len Brown 2016-03-13 1268 if (max_cstate <= 7) d70e28f57e14a4 Len Brown 2016-03-13 1269 return; d70e28f57e14a4 Len Brown 2016-03-13 1270 d70e28f57e14a4 Len Brown 2016-03-13 1271 /* if PC10 not present in CPUID.MWAIT.EDX */ d70e28f57e14a4 Len Brown 2016-03-13 1272 if ((mwait_substates & (0xF << 28)) == 0) d70e28f57e14a4 Len Brown 2016-03-13 1273 return; d70e28f57e14a4 Len Brown 2016-03-13 1274 6cfb2374f83bc7 Len Brown 2017-01-07 1275 rdmsrl(MSR_PKG_CST_CONFIG_CONTROL, msr); d70e28f57e14a4 Len Brown 2016-03-13 1276 d70e28f57e14a4 Len Brown 2016-03-13 1277 /* PC10 is not enabled in PKG C-state limit */ d70e28f57e14a4 Len Brown 2016-03-13 1278 if ((msr & 0xF) != 8) d70e28f57e14a4 Len Brown 2016-03-13 1279 return; d70e28f57e14a4 Len Brown 2016-03-13 1280 d70e28f57e14a4 Len Brown 2016-03-13 1281 ecx = 0; d70e28f57e14a4 Len Brown 2016-03-13 1282 cpuid(7, &eax, &ebx, &ecx, &edx); d70e28f57e14a4 Len Brown 2016-03-13 1283 d70e28f57e14a4 Len Brown 2016-03-13 1284 /* if SGX is present */ d70e28f57e14a4 Len Brown 2016-03-13 1285 if (ebx & (1 << 2)) { d70e28f57e14a4 Len Brown 2016-03-13 1286 d70e28f57e14a4 Len Brown 2016-03-13 @1287 rdmsrl(MSR_IA32_FEATURE_CONTROL, msr); d70e28f57e14a4 Len Brown 2016-03-13 1288 d70e28f57e14a4 Len Brown 2016-03-13 1289 /* if SGX is enabled */ d70e28f57e14a4 Len Brown 2016-03-13 1290 if (msr & (1 << 18)) 0138d8f0755b5b Len Brown 2014-04-04 1291 return; 0138d8f0755b5b Len Brown 2014-04-04 1292 } 0138d8f0755b5b Len Brown 2014-04-04 1293 d70e28f57e14a4 Len Brown 2016-03-13 1294 skl_cstates[5].disabled = 1; /* C8-SKL */ d70e28f57e14a4 Len Brown 2016-03-13 1295 skl_cstates[6].disabled = 1; /* C9-SKL */ d70e28f57e14a4 Len Brown 2016-03-13 1296 } d70e28f57e14a4 Len Brown 2016-03-13 1297 /* d70e28f57e14a4 Len Brown 2016-03-13 1298 * intel_idle_state_table_update() d70e28f57e14a4 Len Brown 2016-03-13 1299 * d70e28f57e14a4 Len Brown 2016-03-13 1300 * Update the default state_table for this CPU-id d70e28f57e14a4 Len Brown 2016-03-13 1301 */ d70e28f57e14a4 Len Brown 2016-03-13 1302 :::::: The code at line 1287 was first introduced by commit :::::: d70e28f57e14a481977436695b0c9ba165472431 intel_idle: prevent SKL-H boot failure when C8+C9+C10 enabled :::::: TO: Len Brown <len.brown(a)intel.com> :::::: CC: Len Brown <len.brown(a)intel.com> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation

9 months, 2 weeks

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[PATCH] media: coda: jpeg: fix platform_get_irq.cocci warnings

by Julia Lawall

From: kbuild test robot <lkp(a)intel.com> Error report is redundant because platform_get_irq() already prints an error Generated by: scripts/coccinelle/api/platform_get_irq.cocci Fixes: fb3a8aa62186 ("media: coda: jpeg: add CODA960 JPEG encoder support") CC: Philipp Zabel <p.zabel(a)pengutronix.de> Signed-off-by: kbuild test robot <lkp(a)intel.com> Signed-off-by: Julia Lawall <julia.lawall(a)lip6.fr> --- The {} will need to be removed as well. url: https://github.com/0day-ci/linux/commits/Philipp-Zabel/media-coda-do-not-... base: git://linuxtv.org/media_tree.git master :::::: branch date: 4 days ago :::::: commit date: 4 days ago Please take the patch only if it's a positive warning. Thanks! coda-common.c | 1 - 1 file changed, 1 deletion(-) --- a/drivers/media/platform/coda/coda-common.c +++ b/drivers/media/platform/coda/coda-common.c @@ -3019,7 +3019,6 @@ static int coda_probe(struct platform_de if (dev->devtype->product == CODA_960) { irq = platform_get_irq_byname(pdev, "jpeg"); if (irq < 0) { - dev_err(&pdev->dev, "failed to get jpeg irq resource\n"); return irq; }

9 months, 2 weeks

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Re: [atishp04:efi_stub 1/1] drivers/firmware/efi/libstub/arm-stub.c:203:7: warning: variable 'secure_boot' is uninitialized when used here

by Nick Desaulniers

On Wed, Nov 20, 2019 at 2:46 PM Atish Patra <Atish.Patra(a)wdc.com> wrote: > > On Mon, 2019-11-18 at 22:39 -0800, Nick Desaulniers wrote: > > Atish, below is a report from 0day bot from a build with Clang. The > > warning looks legit, can you please take a look? > > > Hi Nick, > Thanks for the email. This is a work in progress branch. Is there way > not to trigger kbuild tests on this branch ? That's a common question that Rong or Philip can answer (I forgot what the answer has been in the past). Rong/Philip, it may be good to have a URL/link that I can point people to in the future, since it's a FAQ. > > -- > Regards, > Atish > > > > On Mon, Nov 18, 2019 at 10:17 PM kbuild test robot <lkp(a)intel.com> > > wrote: > > > CC: kbuild-all(a)lists.01.org > > > TO: Atish Patra <atish.patra(a)wdc.com> > > > > > > tree: https://github.com/atishp04/linux efi_stub > > > head: 7dbf2060ab3115d2edcfba8f0f677a321a1611f1 > > > commit: 7dbf2060ab3115d2edcfba8f0f677a321a1611f1 [1/1] Add efi stub > > > config: arm64-defconfig (attached as .config) > > > compiler: clang version 10.0.0 (git://gitmirror/llvm_project > > > 0213adde218530bc31e5c4e50b49704c6bb2f2e9) > > > reproduce: > > > wget > > > https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross > > > -O ~/bin/make.cross > > > chmod +x ~/bin/make.cross > > > git checkout 7dbf2060ab3115d2edcfba8f0f677a321a1611f1 > > > # save the attached .config to linux build tree > > > make.cross ARCH=arm64 > > > > > > If you fix the issue, kindly add following tag > > > Reported-by: kbuild test robot <lkp(a)intel.com> > > > > > > All warnings (new ones prefixed by >>): > > > > > > drivers/firmware/efi/libstub/arm-stub.c:132:22: warning: unused > > > variable 'si' [-Wunused-variable] > > > struct screen_info *si; > > > ^ > > > > > drivers/firmware/efi/libstub/arm-stub.c:203:7: warning: > > > > > variable 'secure_boot' is uninitialized when used here [- > > > > > Wuninitialized] > > > secure_boot != efi_secureboot_mode_disabled) { > > > ^~~~~~~~~~~ > > > drivers/firmware/efi/libstub/arm-stub.c:131:2: note: variable > > > 'secure_boot' is declared here > > > enum efi_secureboot_mode secure_boot; > > > ^ > > > 2 warnings generated. > > > > > > vim +/secure_boot +203 drivers/firmware/efi/libstub/arm-stub.c > > > > > > b844470f22061e drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2018-09-21 92 > > > b844470f22061e drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2018-09-21 93 > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 94 /* > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 95 * This function handles the > > > architcture specific differences between arm and > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 96 * arm64 regarding where the kernel > > > image must be loaded and any memory that > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 97 * must be reserved. On failure it is > > > required to free all > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 98 * all allocations it has made. > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 99 */ > > > bd669475d14e32 drivers/firmware/efi/arm-stub.c Ard > > > Biesheuvel 2014-07-02 100 efi_status_t > > > handle_kernel_image(efi_system_table_t *sys_table, > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04- > > > 15 101 unsigned long > > > *image_addr, > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04- > > > 15 102 unsigned long > > > *image_size, > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04- > > > 15 103 unsigned long > > > *reserve_addr, > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04- > > > 15 104 unsigned long > > > *reserve_size, > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04- > > > 15 105 unsigned long dram_base, > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04- > > > 15 106 efi_loaded_image_t > > > *image); > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 107 /* > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 108 * EFI entry point for the arm/arm64 > > > EFI stubs. This is the entrypoint > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 109 * that is described in the PE/COFF > > > header. Most of the code is the same > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 110 * for both archictectures, with the > > > arch-specific code provided in the > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 111 * handle_kernel_image() function. > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 112 */ > > > ddeeefe2dfbe1f drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2015-01-12 113 unsigned long efi_entry(void *handle, > > > efi_system_table_t *sys_table, > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 114 unsigned > > > long *image_addr) > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 115 { > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 116 efi_loaded_image_t *image; > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 117 efi_status_t status; > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 118 unsigned long image_size = 0; > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 119 unsigned long dram_base; > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 120 /* addr/point and size pairs > > > for memory management*/ > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 121 unsigned long initrd_addr; > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 122 u64 initrd_size = 0; > > > 345c736edd07b6 drivers/firmware/efi/arm-stub.c Ard > > > Biesheuvel 2014-04-03 123 unsigned long fdt_addr = > > > 0; /* Original DTB */ > > > a643375f4b1755 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2015-03-04 124 unsigned long fdt_size = 0; > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 125 char *cmdline_ptr = NULL; > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 126 int cmdline_size = 0; > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 127 unsigned long new_fdt_addr; > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 128 efi_guid_t loaded_image_proto = > > > LOADED_IMAGE_PROTOCOL_GUID; > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 129 unsigned long reserve_addr = 0; > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 130 unsigned long reserve_size = 0; > > > de8cb458625c16 drivers/firmware/efi/libstub/arm-stub.c David > > > Howells 2017-02-06 131 enum efi_secureboot_mode > > > secure_boot; > > > f0827e18a7a1da drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-04-25 @132 struct screen_info *si; > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 133 > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 134 /* Check if we were booted by > > > the EFI firmware */ > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 135 if (sys_table->hdr.signature != > > > EFI_SYSTEM_TABLE_SIGNATURE) > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 136 goto fail; > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 137 > > > b9d6769b5678db drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-02-17 138 status = > > > check_platform_features(sys_table); > > > b9d6769b5678db drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-02-17 139 if (status != EFI_SUCCESS) > > > b9d6769b5678db drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-02-17 140 goto fail; > > > b9d6769b5678db drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-02-17 141 > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 142 /* > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 143 * Get a handle to the loaded > > > image protocol. This is used to get > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 144 * information about the > > > running image, such as size and the command > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 145 * line. > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 146 */ > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 147 status = sys_table->boottime- > > > >handle_protocol(handle, > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04- > > > 15 148 &loaded_image_prot > > > o, (void *)&image); > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 149 if (status != EFI_SUCCESS) { > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 150 pr_efi_err(sys_table, > > > "Failed to get loaded image protocol\n"); > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 151 goto fail; > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 152 } > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 153 > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 154 dram_base = > > > get_dram_base(sys_table); > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 155 if (dram_base == EFI_ERROR) { > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 156 pr_efi_err(sys_table, > > > "Failed to find DRAM base\n"); > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 157 goto fail; > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 158 } > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 159 > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 160 /* > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 161 * Get the command line from > > > EFI, using the LOADED_IMAGE > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 162 * protocol. We are going to > > > copy the command line into the > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 163 * device tree, so this can be > > > allocated anywhere. > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 164 */ > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 165 cmdline_ptr = > > > efi_convert_cmdline(sys_table, image, &cmdline_size); > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 166 if (!cmdline_ptr) { > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 167 pr_efi_err(sys_table, > > > "getting command line via LOADED_IMAGE_PROTOCOL\n"); > > > 2b5fe07a78a09a drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-01-26 168 goto fail; > > > 2b5fe07a78a09a drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-01-26 169 } > > > 2b5fe07a78a09a drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-01-26 170 > > > eeff7d634f4750 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 171 if > > > (IS_ENABLED(CONFIG_CMDLINE_EXTEND) || > > > eeff7d634f4750 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04- > > > 04 172 IS_ENABLED(CONFIG_CMDLINE_FORCE) || > > > eeff7d634f4750 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 173 cmdline_size == 0) > > > eeff7d634f4750 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04- > > > 04 174 efi_parse_options(CONFIG_CMDLINE); > > > eeff7d634f4750 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 175 > > > eeff7d634f4750 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 176 if > > > (!IS_ENABLED(CONFIG_CMDLINE_FORCE) && cmdline_size > 0) > > > eeff7d634f4750 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04- > > > 04 177 efi_parse_options(cmdline_ptr); > > > eeff7d634f4750 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 178 > > > eeff7d634f4750 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 179 pr_efi(sys_table, "Booting > > > Linux Kernel...\n"); > > > 7dbf2060ab3115 drivers/firmware/efi/libstub/arm-stub.c Atish > > > Patra 2019-11-18 180 #if 0 > > > f0827e18a7a1da drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-04-25 181 si = > > > setup_graphics(sys_table); > > > 7dbf2060ab3115 drivers/firmware/efi/libstub/arm-stub.c Atish > > > Patra 2019-11-18 182 #endif > > > 2b5fe07a78a09a drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-01-26 183 status = > > > handle_kernel_image(sys_table, image_addr, &image_size, > > > 2b5fe07a78a09a drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-01- > > > 26 184 &reserve_addr, > > > 2b5fe07a78a09a drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-01- > > > 26 185 &reserve_size, > > > 2b5fe07a78a09a drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-01- > > > 26 186 dram_base, image); > > > 2b5fe07a78a09a drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-01-26 187 if (status != EFI_SUCCESS) { > > > 2b5fe07a78a09a drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-01-26 188 pr_efi_err(sys_table, > > > "Failed to relocate kernel\n"); > > > 2b5fe07a78a09a drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-01-26 189 goto > > > fail_free_cmdline; > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 190 } > > > 7dbf2060ab3115 drivers/firmware/efi/libstub/arm-stub.c Atish > > > Patra 2019-11-18 191 #if 0 > > > ccc829ba3624be drivers/firmware/efi/libstub/arm-stub.c Matthew > > > Garrett 2017-08-25 192 /* Ask the firmware to clear > > > memory on unclean shutdown */ > > > ccc829ba3624be drivers/firmware/efi/libstub/arm-stub.c Matthew > > > Garrett 2017-08- > > > 25 193 efi_enable_reset_attack_mitigation(sys_table); > > > ccc829ba3624be drivers/firmware/efi/libstub/arm-stub.c Matthew > > > Garrett 2017-08-25 194 > > > 73a6492589c87c drivers/firmware/efi/libstub/arm-stub.c Linn > > > Crosetto 2016-04-25 195 secure_boot = > > > efi_get_secureboot(sys_table); > > > 7dbf2060ab3115 drivers/firmware/efi/libstub/arm-stub.c Atish > > > Patra 2019-11-18 196 #endif > > > 345c736edd07b6 drivers/firmware/efi/arm-stub.c Ard > > > Biesheuvel 2014-04-03 197 /* > > > de8cb458625c16 drivers/firmware/efi/libstub/arm-stub.c David > > > Howells 2017-02-06 198 * Unauthenticated device tree > > > data is a security hazard, so ignore > > > de8cb458625c16 drivers/firmware/efi/libstub/arm-stub.c David > > > Howells 2017-02-06 199 * 'dtb=' unless UEFI Secure > > > Boot is disabled. We assume that secure > > > de8cb458625c16 drivers/firmware/efi/libstub/arm-stub.c David > > > Howells 2017-02-06 200 * boot is enabled if we can't > > > determine its state. > > > 345c736edd07b6 drivers/firmware/efi/arm-stub.c Ard > > > Biesheuvel 2014-04-03 201 */ > > > 3d7ee348aa4127 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2018-07-11 202 if > > > (!IS_ENABLED(CONFIG_EFI_ARMSTUB_DTB_LOADER) || > > > 3d7ee348aa4127 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2018-07-11 @203 secure_boot != > > > efi_secureboot_mode_disabled) { > > > 3d7ee348aa4127 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2018-07-11 204 if > > > (strstr(cmdline_ptr, "dtb=")) > > > 73a6492589c87c drivers/firmware/efi/libstub/arm-stub.c Linn > > > Crosetto 2016-04- > > > 25 205 pr_efi(sys_table, "Ignoring DTB > > > from command line.\n"); > > > 345c736edd07b6 drivers/firmware/efi/arm-stub.c Ard > > > Biesheuvel 2014-04-03 206 } else { > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 207 status = > > > handle_cmdline_files(sys_table, image, cmdline_ptr, > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04- > > > 15 208 "dtb=", > > > a643375f4b1755 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2015-03- > > > 04 209 ~0UL, > > > &fdt_addr, &fdt_size); > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 210 > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 211 if (status != > > > EFI_SUCCESS) { > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04- > > > 15 212 pr_efi_err(sys_table, "Failed to > > > load device tree!\n"); > > > 2b5fe07a78a09a drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-01-26 213 goto > > > fail_free_image; > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 214 } > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 215 } > > > 0bcaa9040d0586 drivers/firmware/efi/libstub/arm-stub.c Mark > > > Rutland 2014-10-23 216 > > > 0bcaa9040d0586 drivers/firmware/efi/libstub/arm-stub.c Mark > > > Rutland 2014-10-23 217 if (fdt_addr) { > > > 0bcaa9040d0586 drivers/firmware/efi/libstub/arm-stub.c Mark > > > Rutland 2014-10-23 218 pr_efi(sys_table, > > > "Using DTB from command line\n"); > > > 0bcaa9040d0586 drivers/firmware/efi/libstub/arm-stub.c Mark > > > Rutland 2014-10-23 219 } else { > > > 345c736edd07b6 drivers/firmware/efi/arm-stub.c Ard > > > Biesheuvel 2014-04-03 220 /* Look for a device > > > tree configuration table entry. */ > > > a643375f4b1755 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2015-03-04 221 fdt_addr = > > > (uintptr_t)get_fdt(sys_table, &fdt_size); > > > 0bcaa9040d0586 drivers/firmware/efi/libstub/arm-stub.c Mark > > > Rutland 2014-10-23 222 if (fdt_addr) > > > 0bcaa9040d0586 drivers/firmware/efi/libstub/arm-stub.c Mark > > > Rutland 2014-10- > > > 23 223 pr_efi(sys_table, "Using DTB from > > > configuration table\n"); > > > 0bcaa9040d0586 drivers/firmware/efi/libstub/arm-stub.c Mark > > > Rutland 2014-10-23 224 } > > > 0bcaa9040d0586 drivers/firmware/efi/libstub/arm-stub.c Mark > > > Rutland 2014-10-23 225 > > > 0bcaa9040d0586 drivers/firmware/efi/libstub/arm-stub.c Mark > > > Rutland 2014-10-23 226 if (!fdt_addr) > > > 0bcaa9040d0586 drivers/firmware/efi/libstub/arm-stub.c Mark > > > Rutland 2014-10-23 227 pr_efi(sys_table, > > > "Generating empty DTB\n"); > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 228 > > > 138728dd4ee30d drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 229 status = > > > handle_cmdline_files(sys_table, image, cmdline_ptr, "initrd=", > > > 138728dd4ee30d drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04- > > > 04 230 efi_get_max_initrd_a > > > ddr(dram_base, > > > 138728dd4ee30d drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04- > > > 04 231 > > > *image_addr), > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04- > > > 15 232 (unsigned long > > > *)&initrd_addr, > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04- > > > 15 233 (unsigned long > > > *)&initrd_size); > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 234 if (status != EFI_SUCCESS) > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 235 pr_efi_err(sys_table, > > > "Failed initrd from command line!\n"); > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 236 > > > 568bc4e87033d2 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-11- > > > 12 237 efi_random_get_seed(sys_table); > > > 568bc4e87033d2 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-11-12 238 > > > 38fb6652229c21 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-10-25 239 /* hibernation expects the > > > runtime regions to stay in the same place */ > > > 38fb6652229c21 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-10-25 240 if > > > (!IS_ENABLED(CONFIG_HIBERNATION) && !nokaslr()) { > > > e69176d68d26d6 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 241 /* > > > e69176d68d26d6 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 242 * Randomize the base > > > of the UEFI runtime services region. > > > e69176d68d26d6 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 243 * Preserve the 2 MB > > > alignment of the region by taking a > > > e69176d68d26d6 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 244 * shift of 21 bit > > > positions into account when scaling > > > e69176d68d26d6 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 245 * the headroom value > > > using a 32-bit random value. > > > e69176d68d26d6 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 246 */ > > > 197decefdb79d6 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-17 247 static const u64 > > > headroom = EFI_RT_VIRTUAL_LIMIT - > > > 197decefdb79d6 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04- > > > 17 248 EFI_RT_VIRTUAL > > > _BASE - > > > e69176d68d26d6 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04- > > > 04 249 EFI_RT_VIRTUAL > > > _SIZE; > > > e69176d68d26d6 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 250 u32 rnd; > > > e69176d68d26d6 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 251 > > > e69176d68d26d6 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 252 status = > > > efi_get_random_bytes(sys_table, sizeof(rnd), > > > e69176d68d26d6 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04- > > > 04 253 (u8 *)&rnd); > > > e69176d68d26d6 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 254 if (status == > > > EFI_SUCCESS) { > > > e69176d68d26d6 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 255 virtmap_base = > > > EFI_RT_VIRTUAL_BASE + > > > e69176d68d26d6 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04- > > > 04 256 (((headroom >> 21) > > > * rnd) >> (32 - 21)); > > > e69176d68d26d6 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 257 } > > > e69176d68d26d6 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 258 } > > > e69176d68d26d6 drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04-04 259 > > > b844470f22061e drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2018-09- > > > 21 260 install_memreserve_table(sys_table); > > > b844470f22061e drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2018-09-21 261 > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 262 new_fdt_addr = fdt_addr; > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 263 status = > > > allocate_new_fdt_and_exit_boot(sys_table, handle, > > > 138728dd4ee30d drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2017-04- > > > 04 264 &new_fdt_addr, > > > efi_get_max_fdt_addr(dram_base), > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04- > > > 15 265 initrd_addr, initrd_size, > > > cmdline_ptr, > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04- > > > 15 266 fdt_addr, fdt_size); > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 267 > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 268 /* > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 269 * If all went well, we need to > > > return the FDT address to the > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 270 * calling function so it can > > > be passed to kernel as part of > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 271 * the kernel boot protocol. > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 272 */ > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 273 if (status == EFI_SUCCESS) > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 274 return new_fdt_addr; > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 275 > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 276 pr_efi_err(sys_table, "Failed > > > to update FDT and exit boot services\n"); > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 277 > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 278 efi_free(sys_table, > > > initrd_size, initrd_addr); > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 279 efi_free(sys_table, fdt_size, > > > fdt_addr); > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 280 > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 281 fail_free_image: > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 282 efi_free(sys_table, image_size, > > > *image_addr); > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 283 efi_free(sys_table, > > > reserve_size, reserve_addr); > > > 2b5fe07a78a09a drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-01-26 284 fail_free_cmdline: > > > 7dbf2060ab3115 drivers/firmware/efi/libstub/arm-stub.c Atish > > > Patra 2019-11-18 285 //free_screen_info(sys_table, > > > si); > > > 2b5fe07a78a09a drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2016-01-26 286 efi_free(sys_table, > > > cmdline_size, (unsigned long)cmdline_ptr); > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 287 fail: > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 288 return EFI_ERROR; > > > 3c7f255039a2ad drivers/firmware/efi/arm-stub.c Mark > > > Salter 2014-04-15 289 } > > > f3cdfd239da56a drivers/firmware/efi/libstub/arm-stub.c Ard > > > Biesheuvel 2014-10-20 290 > > > > > > :::::: The code at line 203 was first introduced by commit > > > :::::: 3d7ee348aa4127a7893c11261da9b76371a970e6 efi/libstub/arm: > > > Add opt-in Kconfig option for the DTB loader > > > > > > :::::: TO: Ard Biesheuvel <ard.biesheuvel(a)linaro.org> > > > :::::: CC: Ingo Molnar <mingo(a)kernel.org> > > > > > > --- > > > 0-DAY kernel test infrastructure Open Source > > > Technology Center > > > https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel > > > Corporation > > > > > -- Thanks, ~Nick Desaulniers

9 months, 4 weeks

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crypto/blake2b_generic.c:245:1: warning: the frame size of 1220 bytes is larger than 1024 bytes

by kbuild test robot

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 32ef9553635ab1236c33951a8bd9b5af1c3b1646 commit: 91d689337fe8b7703608a2ec39aae700b99f3933 crypto: blake2b - add blake2b generic implementation date: 4 weeks ago config: arc-randconfig-a0031-20191201 (attached as .config) compiler: arc-elf-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 91d689337fe8b7703608a2ec39aae700b99f3933 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=arc If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com> All warnings (new ones prefixed by >>): crypto/blake2b_generic.c: In function 'blake2b_compress': >> crypto/blake2b_generic.c:245:1: warning: the frame size of 1220 bytes is larger than 1024 bytes [-Wframe-larger-than=] } ^ vim +245 crypto/blake2b_generic.c 183 184 #define G(r,i,a,b,c,d) \ 185 do { \ 186 a = a + b + m[blake2b_sigma[r][2*i+0]]; \ 187 d = ror64(d ^ a, 32); \ 188 c = c + d; \ 189 b = ror64(b ^ c, 24); \ 190 a = a + b + m[blake2b_sigma[r][2*i+1]]; \ 191 d = ror64(d ^ a, 16); \ 192 c = c + d; \ 193 b = ror64(b ^ c, 63); \ 194 } while (0) 195 196 #define ROUND(r) \ 197 do { \ 198 G(r,0,v[ 0],v[ 4],v[ 8],v[12]); \ 199 G(r,1,v[ 1],v[ 5],v[ 9],v[13]); \ 200 G(r,2,v[ 2],v[ 6],v[10],v[14]); \ 201 G(r,3,v[ 3],v[ 7],v[11],v[15]); \ 202 G(r,4,v[ 0],v[ 5],v[10],v[15]); \ 203 G(r,5,v[ 1],v[ 6],v[11],v[12]); \ 204 G(r,6,v[ 2],v[ 7],v[ 8],v[13]); \ 205 G(r,7,v[ 3],v[ 4],v[ 9],v[14]); \ 206 } while (0) 207 208 static void blake2b_compress(struct blake2b_state *S, 209 const u8 block[BLAKE2B_BLOCKBYTES]) 210 { 211 u64 m[16]; 212 u64 v[16]; 213 size_t i; 214 215 for (i = 0; i < 16; ++i) 216 m[i] = get_unaligned_le64(block + i * sizeof(m[i])); 217 218 for (i = 0; i < 8; ++i) 219 v[i] = S->h[i]; 220 221 v[ 8] = blake2b_IV[0]; 222 v[ 9] = blake2b_IV[1]; 223 v[10] = blake2b_IV[2]; 224 v[11] = blake2b_IV[3]; 225 v[12] = blake2b_IV[4] ^ S->t[0]; 226 v[13] = blake2b_IV[5] ^ S->t[1]; 227 v[14] = blake2b_IV[6] ^ S->f[0]; 228 v[15] = blake2b_IV[7] ^ S->f[1]; 229 230 ROUND(0); 231 ROUND(1); 232 ROUND(2); 233 ROUND(3); 234 ROUND(4); 235 ROUND(5); 236 ROUND(6); 237 ROUND(7); 238 ROUND(8); 239 ROUND(9); 240 ROUND(10); 241 ROUND(11); 242 243 for (i = 0; i < 8; ++i) 244 S->h[i] = S->h[i] ^ v[i] ^ v[i + 8]; > 245 } 246 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation

9 months, 4 weeks

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Re: [PATCH 3/4] printk: Drop pr_warning definition

by kbuild test robot

Hi Kefeng, Thank you for the patch! Yet something to improve: [auto build test ERROR on wq/for-next] [cannot apply to pmladek/for-next v5.4 next-20191127] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Kefeng-Wang/part2-kill-pr_warnin... base: https://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git for-next config: i386-defconfig (attached as .config) compiler: gcc-7 (Debian 7.4.0-14) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com> All errors (new ones prefixed by >>): drivers/platform/x86/eeepc-laptop.c: In function 'eeepc_rfkill_hotplug': >> drivers/platform/x86/eeepc-laptop.c:581:3: error: implicit declaration of function 'pr_warning'; did you mean 'acpi_warning'? [-Werror=implicit-function-declaration] pr_warning("Unable to find port\n"); ^~~~~~~~~~ acpi_warning cc1: some warnings being treated as errors -- drivers/video/console/vgacon.c: In function 'text_mode': >> drivers/video/console/vgacon.c:116:2: error: implicit declaration of function 'pr_warning'; did you mean 'pr_warn'? [-Werror=implicit-function-declaration] pr_warning("You have booted with nomodeset. This means your GPU drivers are DISABLED\n"); ^~~~~~~~~~ pr_warn cc1: some warnings being treated as errors -- arch/x86//kernel/tsc_sync.c: In function 'check_tsc_sync_source': >> arch/x86//kernel/tsc_sync.c:367:3: error: implicit declaration of function 'pr_warning'; did you mean 'pr_warn'? [-Werror=implicit-function-declaration] pr_warning("TSC synchronization [CPU#%d -> CPU#%d]:\n", ^~~~~~~~~~ pr_warn cc1: some warnings being treated as errors -- arch/x86//kernel/setup_percpu.c: In function 'setup_per_cpu_areas': >> arch/x86//kernel/setup_percpu.c:210:4: error: implicit declaration of function 'pr_warning'; did you mean 'pr_warn'? [-Werror=implicit-function-declaration] pr_warning("%s allocator failed (%d), falling back to page size\n", ^~~~~~~~~~ pr_warn cc1: some warnings being treated as errors -- arch/x86//kernel/apic/apic.c: In function 'calibrate_by_pmtimer': >> arch/x86//kernel/apic/apic.c:783:2: error: implicit declaration of function 'pr_warning'; did you mean 'acpi_warning'? [-Werror=implicit-function-declaration] pr_warning("APIC calibration not consistent " ^~~~~~~~~~ acpi_warning cc1: some warnings being treated as errors -- drivers//acpi/resource.c: In function 'acpi_dev_get_irqresource': >> drivers//acpi/resource.c:416:4: error: implicit declaration of function 'pr_warning'; did you mean 'acpi_warning'? [-Werror=implicit-function-declaration] pr_warning("ACPI: IRQ %d override to %s, %s\n", gsi, ^~~~~~~~~~ acpi_warning cc1: some warnings being treated as errors vim +581 drivers/platform/x86/eeepc-laptop.c 2b121bc262fa03 Corentin Chary 2009-06-25 560 14fdb152416c0f Matthew Garrett 2011-05-09 561 static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle) 5740294ca3a9b1 Matthew Garrett 2009-01-20 562 { 14fdb152416c0f Matthew Garrett 2011-05-09 563 struct pci_dev *port; 5740294ca3a9b1 Matthew Garrett 2009-01-20 564 struct pci_dev *dev; 6d41839e762f8b Alan Jenkins 2009-08-28 565 struct pci_bus *bus; 854c78363f37f0 Alan Jenkins 2009-12-03 566 bool blocked = eeepc_wlan_rfkill_blocked(eeepc); bc9d24a3aeb153 Alan Jenkins 2010-02-22 567 bool absent; bc9d24a3aeb153 Alan Jenkins 2010-02-22 568 u32 l; 5740294ca3a9b1 Matthew Garrett 2009-01-20 569 a7624b63fdf50d Alan Jenkins 2009-12-03 570 if (eeepc->wlan_rfkill) a7624b63fdf50d Alan Jenkins 2009-12-03 571 rfkill_set_sw_state(eeepc->wlan_rfkill, blocked); 6d41839e762f8b Alan Jenkins 2009-08-28 572 a7624b63fdf50d Alan Jenkins 2009-12-03 573 mutex_lock(&eeepc->hotplug_lock); 8b9ec1da6a310b Rafael J. Wysocki 2014-01-10 574 pci_lock_rescan_remove(); dcf443b5813074 Alan Jenkins 2009-08-28 575 125450f814418b Lukas Wunner 2018-09-08 576 if (!eeepc->hotplug_slot.ops) 248d4903639068 Frans Klaver 2014-10-22 577 goto out_unlock; 248d4903639068 Frans Klaver 2014-10-22 578 14fdb152416c0f Matthew Garrett 2011-05-09 579 port = acpi_get_pci_dev(handle); 14fdb152416c0f Matthew Garrett 2011-05-09 580 if (!port) { 14fdb152416c0f Matthew Garrett 2011-05-09 @581 pr_warning("Unable to find port\n"); 14fdb152416c0f Matthew Garrett 2011-05-09 582 goto out_unlock; 14fdb152416c0f Matthew Garrett 2011-05-09 583 } 14fdb152416c0f Matthew Garrett 2011-05-09 584 14fdb152416c0f Matthew Garrett 2011-05-09 585 bus = port->subordinate; 14fdb152416c0f Matthew Garrett 2011-05-09 586 5740294ca3a9b1 Matthew Garrett 2009-01-20 587 if (!bus) { 22441ffeed17b9 Joe Perches 2011-03-29 588 pr_warn("Unable to find PCI bus 1?\n"); f661848b74b330 Jiang Liu 2012-09-14 589 goto out_put_dev; 5740294ca3a9b1 Matthew Garrett 2009-01-20 590 } 5740294ca3a9b1 Matthew Garrett 2009-01-20 591 bc9d24a3aeb153 Alan Jenkins 2010-02-22 592 if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) { bc9d24a3aeb153 Alan Jenkins 2010-02-22 593 pr_err("Unable to read PCI config space?\n"); f661848b74b330 Jiang Liu 2012-09-14 594 goto out_put_dev; bc9d24a3aeb153 Alan Jenkins 2010-02-22 595 } 14fdb152416c0f Matthew Garrett 2011-05-09 596 bc9d24a3aeb153 Alan Jenkins 2010-02-22 597 absent = (l == 0xffffffff); bc9d24a3aeb153 Alan Jenkins 2010-02-22 598 bc9d24a3aeb153 Alan Jenkins 2010-02-22 599 if (blocked != absent) { 9f662b20d6cef8 Frans Klaver 2014-10-22 600 pr_warn("BIOS says wireless lan is %s, but the pci device is %s\n", bc9d24a3aeb153 Alan Jenkins 2010-02-22 601 blocked ? "blocked" : "unblocked", bc9d24a3aeb153 Alan Jenkins 2010-02-22 602 absent ? "absent" : "present"); 9f662b20d6cef8 Frans Klaver 2014-10-22 603 pr_warn("skipped wireless hotplug as probably inappropriate for this model\n"); f661848b74b330 Jiang Liu 2012-09-14 604 goto out_put_dev; bc9d24a3aeb153 Alan Jenkins 2010-02-22 605 } bc9d24a3aeb153 Alan Jenkins 2010-02-22 606 19d337dff95cbf Johannes Berg 2009-06-02 607 if (!blocked) { 5740294ca3a9b1 Matthew Garrett 2009-01-20 608 dev = pci_get_slot(bus, 0); 5740294ca3a9b1 Matthew Garrett 2009-01-20 609 if (dev) { 5740294ca3a9b1 Matthew Garrett 2009-01-20 610 /* Device already present */ 5740294ca3a9b1 Matthew Garrett 2009-01-20 611 pci_dev_put(dev); f661848b74b330 Jiang Liu 2012-09-14 612 goto out_put_dev; 5740294ca3a9b1 Matthew Garrett 2009-01-20 613 } 5740294ca3a9b1 Matthew Garrett 2009-01-20 614 dev = pci_scan_single_device(bus, 0); 5740294ca3a9b1 Matthew Garrett 2009-01-20 615 if (dev) { 5740294ca3a9b1 Matthew Garrett 2009-01-20 616 pci_bus_assign_resources(bus); c893d133eaccdd Yijing Wang 2014-05-30 617 pci_bus_add_device(dev); 5740294ca3a9b1 Matthew Garrett 2009-01-20 618 } 5740294ca3a9b1 Matthew Garrett 2009-01-20 619 } else { 5740294ca3a9b1 Matthew Garrett 2009-01-20 620 dev = pci_get_slot(bus, 0); 5740294ca3a9b1 Matthew Garrett 2009-01-20 621 if (dev) { 210647af897af8 Yinghai Lu 2012-02-25 622 pci_stop_and_remove_bus_device(dev); 5740294ca3a9b1 Matthew Garrett 2009-01-20 623 pci_dev_put(dev); 5740294ca3a9b1 Matthew Garrett 2009-01-20 624 } 5740294ca3a9b1 Matthew Garrett 2009-01-20 625 } f661848b74b330 Jiang Liu 2012-09-14 626 out_put_dev: f661848b74b330 Jiang Liu 2012-09-14 627 pci_dev_put(port); dcf443b5813074 Alan Jenkins 2009-08-28 628 dcf443b5813074 Alan Jenkins 2009-08-28 629 out_unlock: 8b9ec1da6a310b Rafael J. Wysocki 2014-01-10 630 pci_unlock_rescan_remove(); a7624b63fdf50d Alan Jenkins 2009-12-03 631 mutex_unlock(&eeepc->hotplug_lock); 5740294ca3a9b1 Matthew Garrett 2009-01-20 632 } 5740294ca3a9b1 Matthew Garrett 2009-01-20 633 :::::: The code at line 581 was first introduced by commit :::::: 14fdb152416c0fab80ecddf492c129d7da1bb8ef eeepc-laptop: Use ACPI handle to identify rfkill port :::::: TO: Matthew Garrett <mjg(a)redhat.com> :::::: CC: Matthew Garrett <mjg(a)redhat.com> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation

9 months, 4 weeks

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[linux-next:master 14297/14311] arch/m68k/mm/kmap.c:80:28: error: 'pmd_t {aka struct <anonymous>}' has no member named 'pmd'; did you mean 'pud'?

by kbuild test robot

tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 419593dad8439007452bb6f267861863b572c520 commit: 982c4ee0826df509856a178ae6dac80c3708323c [14297/14311] m68k: mm: use pgtable-nopXd instead of 4level-fixup config: m68k-m5475evb_defconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 982c4ee0826df509856a178ae6dac80c3708323c # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com> All errors (new ones prefixed by >>): arch/m68k/mm/kmap.c: In function '__free_io_area': arch/m68k/mm/kmap.c:76:24: error: passing argument 1 of 'pmd_offset' from incompatible pointer type [-Werror=incompatible-pointer-types] pmd_dir = pmd_offset(pgd_dir, virtaddr); ^~~~~~~ In file included from arch/m68k/include/asm/pgtable_mm.h:7:0, from arch/m68k/include/asm/pgtable.h:5, from include/linux/mm.h:99, from arch/m68k/mm/kmap.c:12: include/asm-generic/pgtable-nopmd.h:44:23: note: expected 'pud_t * {aka struct <anonymous> *}' but argument is of type 'pgd_t * {aka struct <anonymous> *}' static inline pmd_t * pmd_offset(pud_t * pud, unsigned long address) ^~~~~~~~~~ >> arch/m68k/mm/kmap.c:80:28: error: 'pmd_t {aka struct <anonymous>}' has no member named 'pmd'; did you mean 'pud'? int pmd_type = pmd_dir->pmd[pmd_off] & _DESCTYPE_MASK; ^~~ pud arch/m68k/mm/kmap.c:83:14: error: 'pmd_t {aka struct <anonymous>}' has no member named 'pmd'; did you mean 'pud'? pmd_dir->pmd[pmd_off] = 0; ^~~ pud arch/m68k/mm/kmap.c: In function 'kernel_set_cachemode': arch/m68k/mm/kmap.c:348:2: error: #endif without #if #endif ^~~~~ arch/m68k/mm/kmap.c:352:3: error: 'p4d_dir' undeclared (first use in this function); did you mean 'pmd_dir'? p4d_dir = p4d_offset(pgd_dir, virtaddr); ^~~~~~~ pmd_dir arch/m68k/mm/kmap.c:352:3: note: each undeclared identifier is reported only once for each function it appears in arch/m68k/mm/kmap.c:353:3: error: 'pud_dir' undeclared (first use in this function); did you mean 'p4d_dir'? pud_dir = pud_offset(p4d_dir, virtaddr); ^~~~~~~ p4d_dir cc1: some warnings being treated as errors vim +80 arch/m68k/mm/kmap.c 1bccc43c1010f2 Greg Ungerer 2011-03-28 @12 #include <linux/mm.h> 1bccc43c1010f2 Greg Ungerer 2011-03-28 13 #include <linux/kernel.h> 1bccc43c1010f2 Greg Ungerer 2011-03-28 14 #include <linux/string.h> 1bccc43c1010f2 Greg Ungerer 2011-03-28 15 #include <linux/types.h> 1bccc43c1010f2 Greg Ungerer 2011-03-28 16 #include <linux/slab.h> 1bccc43c1010f2 Greg Ungerer 2011-03-28 17 #include <linux/vmalloc.h> 1bccc43c1010f2 Greg Ungerer 2011-03-28 18 1bccc43c1010f2 Greg Ungerer 2011-03-28 19 #include <asm/setup.h> 1bccc43c1010f2 Greg Ungerer 2011-03-28 20 #include <asm/segment.h> 1bccc43c1010f2 Greg Ungerer 2011-03-28 21 #include <asm/page.h> 1bccc43c1010f2 Greg Ungerer 2011-03-28 22 #include <asm/pgalloc.h> 1bccc43c1010f2 Greg Ungerer 2011-03-28 23 #include <asm/io.h> 1bccc43c1010f2 Greg Ungerer 2011-03-28 24 1bccc43c1010f2 Greg Ungerer 2011-03-28 25 #undef DEBUG 1bccc43c1010f2 Greg Ungerer 2011-03-28 26 1bccc43c1010f2 Greg Ungerer 2011-03-28 27 #define PTRTREESIZE (256*1024) 1bccc43c1010f2 Greg Ungerer 2011-03-28 28 1bccc43c1010f2 Greg Ungerer 2011-03-28 29 /* 1bccc43c1010f2 Greg Ungerer 2011-03-28 30 * For 040/060 we can use the virtual memory area like other architectures, f6fc30dbb720e3 Geert Uytterhoeven 2013-12-17 31 * but for 020/030 we want to use early termination page descriptors and we 1bccc43c1010f2 Greg Ungerer 2011-03-28 32 * can't mix this with normal page descriptors, so we have to copy that code f6fc30dbb720e3 Geert Uytterhoeven 2013-12-17 33 * (mm/vmalloc.c) and return appropriately aligned addresses. 1bccc43c1010f2 Greg Ungerer 2011-03-28 34 */ 1bccc43c1010f2 Greg Ungerer 2011-03-28 35 1bccc43c1010f2 Greg Ungerer 2011-03-28 36 #ifdef CPU_M68040_OR_M68060_ONLY 1bccc43c1010f2 Greg Ungerer 2011-03-28 37 1bccc43c1010f2 Greg Ungerer 2011-03-28 38 #define IO_SIZE PAGE_SIZE 1bccc43c1010f2 Greg Ungerer 2011-03-28 39 1bccc43c1010f2 Greg Ungerer 2011-03-28 40 static inline struct vm_struct *get_io_area(unsigned long size) 1bccc43c1010f2 Greg Ungerer 2011-03-28 41 { 1bccc43c1010f2 Greg Ungerer 2011-03-28 42 return get_vm_area(size, VM_IOREMAP); 1bccc43c1010f2 Greg Ungerer 2011-03-28 43 } 1bccc43c1010f2 Greg Ungerer 2011-03-28 44 1bccc43c1010f2 Greg Ungerer 2011-03-28 45 1bccc43c1010f2 Greg Ungerer 2011-03-28 46 static inline void free_io_area(void *addr) 1bccc43c1010f2 Greg Ungerer 2011-03-28 47 { 1bccc43c1010f2 Greg Ungerer 2011-03-28 48 vfree((void *)(PAGE_MASK & (unsigned long)addr)); 1bccc43c1010f2 Greg Ungerer 2011-03-28 49 } 1bccc43c1010f2 Greg Ungerer 2011-03-28 50 ^1da177e4c3f41 Linus Torvalds 2005-04-16 51 #else 1bccc43c1010f2 Greg Ungerer 2011-03-28 52 1bccc43c1010f2 Greg Ungerer 2011-03-28 53 #define IO_SIZE (256*1024) 1bccc43c1010f2 Greg Ungerer 2011-03-28 54 1bccc43c1010f2 Greg Ungerer 2011-03-28 55 static struct vm_struct *iolist; 1bccc43c1010f2 Greg Ungerer 2011-03-28 56 076863473c0cdb Christoph Hellwig 2019-08-13 57 /* 076863473c0cdb Christoph Hellwig 2019-08-13 58 * __free_io_area unmaps nearly everything, so be careful 076863473c0cdb Christoph Hellwig 2019-08-13 59 * Currently it doesn't free pointer/page tables anymore but this 076863473c0cdb Christoph Hellwig 2019-08-13 60 * wasn't used anyway and might be added later. 076863473c0cdb Christoph Hellwig 2019-08-13 61 */ 076863473c0cdb Christoph Hellwig 2019-08-13 62 static void __free_io_area(void *addr, unsigned long size) 076863473c0cdb Christoph Hellwig 2019-08-13 63 { 076863473c0cdb Christoph Hellwig 2019-08-13 64 unsigned long virtaddr = (unsigned long)addr; 076863473c0cdb Christoph Hellwig 2019-08-13 65 pgd_t *pgd_dir; 076863473c0cdb Christoph Hellwig 2019-08-13 66 pmd_t *pmd_dir; 076863473c0cdb Christoph Hellwig 2019-08-13 67 pte_t *pte_dir; 076863473c0cdb Christoph Hellwig 2019-08-13 68 076863473c0cdb Christoph Hellwig 2019-08-13 69 while ((long)size > 0) { 076863473c0cdb Christoph Hellwig 2019-08-13 70 pgd_dir = pgd_offset_k(virtaddr); 076863473c0cdb Christoph Hellwig 2019-08-13 71 if (pgd_bad(*pgd_dir)) { 076863473c0cdb Christoph Hellwig 2019-08-13 72 printk("iounmap: bad pgd(%08lx)\n", pgd_val(*pgd_dir)); 076863473c0cdb Christoph Hellwig 2019-08-13 73 pgd_clear(pgd_dir); 076863473c0cdb Christoph Hellwig 2019-08-13 74 return; 076863473c0cdb Christoph Hellwig 2019-08-13 75 } 076863473c0cdb Christoph Hellwig 2019-08-13 76 pmd_dir = pmd_offset(pgd_dir, virtaddr); 076863473c0cdb Christoph Hellwig 2019-08-13 77 076863473c0cdb Christoph Hellwig 2019-08-13 78 if (CPU_IS_020_OR_030) { 076863473c0cdb Christoph Hellwig 2019-08-13 79 int pmd_off = (virtaddr/PTRTREESIZE) & 15; 076863473c0cdb Christoph Hellwig 2019-08-13 @80 int pmd_type = pmd_dir->pmd[pmd_off] & _DESCTYPE_MASK; 076863473c0cdb Christoph Hellwig 2019-08-13 81 076863473c0cdb Christoph Hellwig 2019-08-13 82 if (pmd_type == _PAGE_PRESENT) { 076863473c0cdb Christoph Hellwig 2019-08-13 83 pmd_dir->pmd[pmd_off] = 0; 076863473c0cdb Christoph Hellwig 2019-08-13 84 virtaddr += PTRTREESIZE; 076863473c0cdb Christoph Hellwig 2019-08-13 85 size -= PTRTREESIZE; 076863473c0cdb Christoph Hellwig 2019-08-13 86 continue; 076863473c0cdb Christoph Hellwig 2019-08-13 87 } else if (pmd_type == 0) 076863473c0cdb Christoph Hellwig 2019-08-13 88 continue; 076863473c0cdb Christoph Hellwig 2019-08-13 89 } 076863473c0cdb Christoph Hellwig 2019-08-13 90 076863473c0cdb Christoph Hellwig 2019-08-13 91 if (pmd_bad(*pmd_dir)) { 076863473c0cdb Christoph Hellwig 2019-08-13 92 printk("iounmap: bad pmd (%08lx)\n", pmd_val(*pmd_dir)); 076863473c0cdb Christoph Hellwig 2019-08-13 93 pmd_clear(pmd_dir); 076863473c0cdb Christoph Hellwig 2019-08-13 94 return; 076863473c0cdb Christoph Hellwig 2019-08-13 95 } 076863473c0cdb Christoph Hellwig 2019-08-13 96 pte_dir = pte_offset_kernel(pmd_dir, virtaddr); 076863473c0cdb Christoph Hellwig 2019-08-13 97 076863473c0cdb Christoph Hellwig 2019-08-13 98 pte_val(*pte_dir) = 0; 076863473c0cdb Christoph Hellwig 2019-08-13 99 virtaddr += PAGE_SIZE; 076863473c0cdb Christoph Hellwig 2019-08-13 100 size -= PAGE_SIZE; 076863473c0cdb Christoph Hellwig 2019-08-13 101 } 076863473c0cdb Christoph Hellwig 2019-08-13 102 076863473c0cdb Christoph Hellwig 2019-08-13 103 flush_tlb_all(); 076863473c0cdb Christoph Hellwig 2019-08-13 104 } 076863473c0cdb Christoph Hellwig 2019-08-13 105 :::::: The code at line 80 was first introduced by commit :::::: 076863473c0cdbf7fdcbf97e1878028ccde3b4ec m68k: rename __iounmap and mark it static :::::: TO: Christoph Hellwig <hch(a)lst.de> :::::: CC: Christoph Hellwig <hch(a)lst.de> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation

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