[kbuild-all] [intel-tdx:guest 47/63] drivers/acpi/acpica/hwsleep.c:119:25: warning: suggest braces around empty body in an 'if' statement

tree: https://github.com/intel/tdx.git guest head: 8c20c364d1f52e432181d142054b1c2efa0ae6d3 commit: 96c781481b4771fb0fb4cc62072a6b1b50a0cea2 [47/63] x86/tdx: Skip WBINVD instruction for TDX guest config: ia64-randconfig-p001-20210513 (attached as .config) compiler: ia64-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel/tdx/commit/96c781481b4771fb0fb4cc62072a6b1b50a0cea2 git remote add intel-tdx https://github.com/intel/tdx.git git fetch --no-tags intel-tdx guest git checkout 96c781481b4771fb0fb4cc62072a6b1b50a0cea2 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/acpi/acpica/hwsleep.c: In function 'acpi_hw_legacy_sleep': 119 | ACPI_FLUSH_CPU_CACHE(); | ^ vim +/if +119 drivers/acpi/acpica/hwsleep.c ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 17 709585765734e9 drivers/acpi/acpica/hwsleep.c Bob Moore 2012-02-14 18 #if (!ACPI_REDUCED_HARDWARE) /* Entire module */ 44f6c01242da4e drivers/acpi/hardware/hwsleep.c Robert Moore 2005-04-18 19 /******************************************************************************* ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 20 * 2feec47d4c5f80 drivers/acpi/acpica/hwsleep.c Bob Moore 2012-02-14 21 * FUNCTION: acpi_hw_legacy_sleep ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 22 * ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 23 * PARAMETERS: sleep_state - Which sleep state to enter ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 24 * ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 25 * RETURN: Status ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 26 * 2feec47d4c5f80 drivers/acpi/acpica/hwsleep.c Bob Moore 2012-02-14 27 * DESCRIPTION: Enter a system sleep state via the legacy FADT PM registers ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 28 * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 29 * ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 30 ******************************************************************************/ 3f6f49c7854c92 drivers/acpi/acpica/hwsleep.c Len Brown 2012-07-26 31 acpi_status acpi_hw_legacy_sleep(u8 sleep_state) ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 32 { ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 33 struct acpi_bit_register_info *sleep_type_reg_info; ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 34 struct acpi_bit_register_info *sleep_enable_reg_info; 2feec47d4c5f80 drivers/acpi/acpica/hwsleep.c Bob Moore 2012-02-14 35 u32 pm1a_control; 2feec47d4c5f80 drivers/acpi/acpica/hwsleep.c Bob Moore 2012-02-14 36 u32 pm1b_control; ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 37 u32 in_value; ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 38 acpi_status status; ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 39 2feec47d4c5f80 drivers/acpi/acpica/hwsleep.c Bob Moore 2012-02-14 40 ACPI_FUNCTION_TRACE(hw_legacy_sleep); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 41 4be44fcd3bf648 drivers/acpi/hardware/hwsleep.c Len Brown 2005-08-05 42 sleep_type_reg_info = 82d79b86646504 drivers/acpi/acpica/hwsleep.c Bob Moore 2009-02-18 43 acpi_hw_get_bit_register_info(ACPI_BITREG_SLEEP_TYPE); 4be44fcd3bf648 drivers/acpi/hardware/hwsleep.c Len Brown 2005-08-05 44 sleep_enable_reg_info = 4be44fcd3bf648 drivers/acpi/hardware/hwsleep.c Len Brown 2005-08-05 45 acpi_hw_get_bit_register_info(ACPI_BITREG_SLEEP_ENABLE); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 46 ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 47 /* Clear wake status */ ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 48 1fad87385e7e82 drivers/acpi/acpica/hwsleep.c Bob Moore 2015-12-29 49 status = acpi_write_bit_register(ACPI_BITREG_WAKE_STATUS, 1fad87385e7e82 drivers/acpi/acpica/hwsleep.c Bob Moore 2015-12-29 50 ACPI_CLEAR_STATUS); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 51 if (ACPI_FAILURE(status)) { ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 52 return_ACPI_STATUS(status); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 53 } ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 54 fa85015c0d9588 drivers/acpi/acpica/hwsleep.c Rafael J. Wysocki 2018-07-09 55 /* Disable all GPEs */ fa85015c0d9588 drivers/acpi/acpica/hwsleep.c Rafael J. Wysocki 2018-07-09 56 status = acpi_hw_disable_all_gpes(); fa85015c0d9588 drivers/acpi/acpica/hwsleep.c Rafael J. Wysocki 2018-07-09 57 if (ACPI_FAILURE(status)) { fa85015c0d9588 drivers/acpi/acpica/hwsleep.c Rafael J. Wysocki 2018-07-09 58 return_ACPI_STATUS(status); fa85015c0d9588 drivers/acpi/acpica/hwsleep.c Rafael J. Wysocki 2018-07-09 59 } fa85015c0d9588 drivers/acpi/acpica/hwsleep.c Rafael J. Wysocki 2018-07-09 60 status = acpi_hw_clear_acpi_status(); 1d99967badac59 drivers/acpi/hardware/hwsleep.c Alexey Starikovskiy 2007-03-12 61 if (ACPI_FAILURE(status)) { 1d99967badac59 drivers/acpi/hardware/hwsleep.c Alexey Starikovskiy 2007-03-12 62 return_ACPI_STATUS(status); 1d99967badac59 drivers/acpi/hardware/hwsleep.c Alexey Starikovskiy 2007-03-12 63 } ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 64 acpi_gbl_system_awake_and_running = FALSE; ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 65 fa85015c0d9588 drivers/acpi/acpica/hwsleep.c Rafael J. Wysocki 2018-07-09 66 /* Enable all wakeup GPEs */ 73459f73e5d160 drivers/acpi/hardware/hwsleep.c Robert Moore 2005-06-24 67 status = acpi_hw_enable_all_wakeup_gpes(); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 68 if (ACPI_FAILURE(status)) { ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 69 return_ACPI_STATUS(status); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 70 } ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 71 ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 72 /* Get current value of PM1A control */ ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 73 32c9ef994d9135 drivers/acpi/acpica/hwsleep.c Bob Moore 2009-02-18 74 status = acpi_hw_register_read(ACPI_REGISTER_PM1_CONTROL, 32c9ef994d9135 drivers/acpi/acpica/hwsleep.c Bob Moore 2009-02-18 75 &pm1a_control); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 76 if (ACPI_FAILURE(status)) { ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 77 return_ACPI_STATUS(status); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 78 } 44f6c01242da4e drivers/acpi/hardware/hwsleep.c Robert Moore 2005-04-18 79 ACPI_DEBUG_PRINT((ACPI_DB_INIT, b27d65975c252f drivers/acpi/acpica/hwsleep.c Bob Moore 2010-05-26 80 "Entering sleep state [S%u]\n", sleep_state)); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 81 32c9ef994d9135 drivers/acpi/acpica/hwsleep.c Bob Moore 2009-02-18 82 /* Clear the SLP_EN and SLP_TYP fields */ ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 83 32c9ef994d9135 drivers/acpi/acpica/hwsleep.c Bob Moore 2009-02-18 84 pm1a_control &= ~(sleep_type_reg_info->access_bit_mask | 44f6c01242da4e drivers/acpi/hardware/hwsleep.c Robert Moore 2005-04-18 85 sleep_enable_reg_info->access_bit_mask); 32c9ef994d9135 drivers/acpi/acpica/hwsleep.c Bob Moore 2009-02-18 86 pm1b_control = pm1a_control; ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 87 32c9ef994d9135 drivers/acpi/acpica/hwsleep.c Bob Moore 2009-02-18 88 /* Insert the SLP_TYP bits */ ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 89 32c9ef994d9135 drivers/acpi/acpica/hwsleep.c Bob Moore 2009-02-18 90 pm1a_control |= 4be44fcd3bf648 drivers/acpi/hardware/hwsleep.c Len Brown 2005-08-05 91 (acpi_gbl_sleep_type_a << sleep_type_reg_info->bit_position); 32c9ef994d9135 drivers/acpi/acpica/hwsleep.c Bob Moore 2009-02-18 92 pm1b_control |= 4be44fcd3bf648 drivers/acpi/hardware/hwsleep.c Len Brown 2005-08-05 93 (acpi_gbl_sleep_type_b << sleep_type_reg_info->bit_position); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 94 ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 95 /* ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 96 * We split the writes of SLP_TYP and SLP_EN to workaround ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 97 * poorly implemented hardware. ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 98 */ ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 99 32c9ef994d9135 drivers/acpi/acpica/hwsleep.c Bob Moore 2009-02-18 100 /* Write #1: write the SLP_TYP data to the PM1 Control registers */ ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 101 32c9ef994d9135 drivers/acpi/acpica/hwsleep.c Bob Moore 2009-02-18 102 status = acpi_hw_write_pm1_control(pm1a_control, pm1b_control); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 103 if (ACPI_FAILURE(status)) { ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 104 return_ACPI_STATUS(status); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 105 } ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 106 32c9ef994d9135 drivers/acpi/acpica/hwsleep.c Bob Moore 2009-02-18 107 /* Insert the sleep enable (SLP_EN) bit */ ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 108 32c9ef994d9135 drivers/acpi/acpica/hwsleep.c Bob Moore 2009-02-18 109 pm1a_control |= sleep_enable_reg_info->access_bit_mask; 32c9ef994d9135 drivers/acpi/acpica/hwsleep.c Bob Moore 2009-02-18 110 pm1b_control |= sleep_enable_reg_info->access_bit_mask; ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 111 96c781481b4771 drivers/acpi/acpica/hwsleep.c Kuppuswamy Sathyanarayanan 2021-05-12 112 /* 96c781481b4771 drivers/acpi/acpica/hwsleep.c Kuppuswamy Sathyanarayanan 2021-05-12 113 * WBINVD instruction is not supported in TDX 96c781481b4771 drivers/acpi/acpica/hwsleep.c Kuppuswamy Sathyanarayanan 2021-05-12 114 * guest. Since ACPI_FLUSH_CPU_CACHE() uses 96c781481b4771 drivers/acpi/acpica/hwsleep.c Kuppuswamy Sathyanarayanan 2021-05-12 115 * WBINVD, skip cache flushes for TDX guests. 96c781481b4771 drivers/acpi/acpica/hwsleep.c Kuppuswamy Sathyanarayanan 2021-05-12 116 */ 96c781481b4771 drivers/acpi/acpica/hwsleep.c Kuppuswamy Sathyanarayanan 2021-05-12 117 if (!protected_guest_has(GUEST_TYPE_TDX)) 32c9ef994d9135 drivers/acpi/acpica/hwsleep.c Bob Moore 2009-02-18 118 /* Flush caches, as per ACPI specification */ ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 @119 ACPI_FLUSH_CPU_CACHE(); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 120 0fc5e8f4e4b33d drivers/acpi/acpica/hwsleep.c Lv Zheng 2016-12-28 121 status = acpi_os_enter_sleep(sleep_state, pm1a_control, pm1b_control); 0fc5e8f4e4b33d drivers/acpi/acpica/hwsleep.c Lv Zheng 2016-12-28 122 if (status == AE_CTRL_TERMINATE) { 09f98a825a821f drivers/acpi/acpica/hwsleep.c Tang Liang 2011-12-09 123 return_ACPI_STATUS(AE_OK); 0fc5e8f4e4b33d drivers/acpi/acpica/hwsleep.c Lv Zheng 2016-12-28 124 } 0fc5e8f4e4b33d drivers/acpi/acpica/hwsleep.c Lv Zheng 2016-12-28 125 if (ACPI_FAILURE(status)) { 09f98a825a821f drivers/acpi/acpica/hwsleep.c Tang Liang 2011-12-09 126 return_ACPI_STATUS(status); 0fc5e8f4e4b33d drivers/acpi/acpica/hwsleep.c Lv Zheng 2016-12-28 127 } 0fc5e8f4e4b33d drivers/acpi/acpica/hwsleep.c Lv Zheng 2016-12-28 128 32c9ef994d9135 drivers/acpi/acpica/hwsleep.c Bob Moore 2009-02-18 129 /* Write #2: Write both SLP_TYP + SLP_EN */ ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 130 32c9ef994d9135 drivers/acpi/acpica/hwsleep.c Bob Moore 2009-02-18 131 status = acpi_hw_write_pm1_control(pm1a_control, pm1b_control); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 132 if (ACPI_FAILURE(status)) { ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 133 return_ACPI_STATUS(status); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 134 } ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 135 ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 136 if (sleep_state > ACPI_STATE_S3) { ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 137 /* 44f6c01242da4e drivers/acpi/hardware/hwsleep.c Robert Moore 2005-04-18 138 * We wanted to sleep > S3, but it didn't happen (by virtue of the 44f6c01242da4e drivers/acpi/hardware/hwsleep.c Robert Moore 2005-04-18 139 * fact that we are still executing!) ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 140 * 44f6c01242da4e drivers/acpi/hardware/hwsleep.c Robert Moore 2005-04-18 141 * Wait ten seconds, then try again. This is to get S4/S5 to work on 44f6c01242da4e drivers/acpi/hardware/hwsleep.c Robert Moore 2005-04-18 142 * all machines. ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 143 * d4913dc6d0c680 drivers/acpi/acpica/hwsleep.c Bob Moore 2009-03-06 144 * We wait so long to allow chipsets that poll this reg very slowly d4913dc6d0c680 drivers/acpi/acpica/hwsleep.c Bob Moore 2009-03-06 145 * to still read the right value. Ideally, this block would go ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 146 * away entirely. ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 147 */ c41679a4481d5b drivers/acpi/acpica/hwsleep.c Bob Moore 2012-12-31 148 acpi_os_stall(10 * ACPI_USEC_PER_SEC); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 149 d30dc9abb4aacf drivers/acpi/hardware/hwsleep.c Alexey Starikovskiy 2007-09-30 150 status = acpi_hw_register_write(ACPI_REGISTER_PM1_CONTROL, 4be44fcd3bf648 drivers/acpi/hardware/hwsleep.c Len Brown 2005-08-05 151 sleep_enable_reg_info-> 4be44fcd3bf648 drivers/acpi/hardware/hwsleep.c Len Brown 2005-08-05 152 access_bit_mask); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 153 if (ACPI_FAILURE(status)) { ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 154 return_ACPI_STATUS(status); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 155 } ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 156 } ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 157 2feec47d4c5f80 drivers/acpi/acpica/hwsleep.c Bob Moore 2012-02-14 158 /* Wait for transition back to Working State */ ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 159 ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 160 do { 50ffba1bd3120b drivers/acpi/acpica/hwsleep.c Bob Moore 2009-02-23 161 status = 50ffba1bd3120b drivers/acpi/acpica/hwsleep.c Bob Moore 2009-02-23 162 acpi_read_bit_register(ACPI_BITREG_WAKE_STATUS, &in_value); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 163 if (ACPI_FAILURE(status)) { ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 164 return_ACPI_STATUS(status); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 165 } 2feec47d4c5f80 drivers/acpi/acpica/hwsleep.c Bob Moore 2012-02-14 166 ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 167 } while (!in_value); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 168 ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 169 return_ACPI_STATUS(AE_OK); ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 170 } ^1da177e4c3f41 drivers/acpi/hardware/hwsleep.c Linus Torvalds 2005-04-16 171 :::::: The code at line 119 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torvalds(a)ppc970.osdl.org&gt; :::::: CC: Linus Torvalds <torvalds(a)ppc970.osdl.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org