From: Feng Tang Date: Wed, 23 Mar 2022 23:05:50 +0000 (-0700) Subject: lib/Kconfig.debug: add ARCH dependency for FUNCTION_ALIGN option X-Git-Tag: baikal/mips/sdk6.1~6169^2~30 X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=46d5a4c6ec7c4614f4ea168534e02b863c208508;p=kernel.git lib/Kconfig.debug: add ARCH dependency for FUNCTION_ALIGN option 0Day robots reported there is compiling issue for 'csky' ARCH when CONFIG_DEBUG_FORCE_DATA_SECTION_ALIGNED is enabled [1]: All errors (new ones prefixed by >>): {standard input}: Assembler messages: >> {standard input}:2277: Error: pcrel offset for branch to .LS000B too far (0x3c) Which was discussed in [2]. And as there is no solution for csky yet, add some dependency for this config to limit it to several ARCHs which have no compiling issue so far. [1]. https://lore.kernel.org/lkml/202202271612.W32UJAj2-lkp@intel.com/ [2]. https://www.spinics.net/lists/linux-kbuild/msg30298.html Link: https://lkml.kernel.org/r/20220304021100.GN4548@shbuild999.sh.intel.com Reported-by: kernel test robot Signed-off-by: Feng Tang Cc: Guo Ren Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 6c84ef66ceb8a..b84c2462fe8d9 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -439,7 +439,8 @@ config SECTION_MISMATCH_WARN_ONLY If unsure, say Y. config DEBUG_FORCE_FUNCTION_ALIGN_64B - bool "Force all function address 64B aligned" if EXPERT + bool "Force all function address 64B aligned" + depends on EXPERT && (X86_64 || ARM64 || PPC32 || PPC64 || ARC) help There are cases that a commit from one domain changes the function address alignment of other domains, and cause magic performance