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x86/percpu: Disable named address spaces for KCSAN

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-fsanitize=thread (KCSAN) is at the moment incompatible
with named address spaces in a similar way as KASAN -
see GCC PR sanitizer/111736:

  https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111736

The patch disables named address spaces with KCSAN.

Reported-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20240325110128.615933-1-ubizjak@gmail.com
This commit is contained in:
Uros Bizjak 2024-03-25 12:01:09 +01:00 committed by Ingo Molnar
parent c567f2948f
commit b6540de9b5
1 changed files with 2 additions and 0 deletions
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arch/x86/Kconfig
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@ -2439,6 +2439,8 @@ config USE_X86_SEG_SUPPORT
# with named address spaces - see GCC PR sanitizer/111736.
#
depends on !KASAN
# -fsanitize=thread (KCSAN) is also incompatible.
depends on !KCSAN
config CC_HAS_SLS
def_bool $(cc-option,-mharden-sls=all)