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authorMarco Elver <elver@google.com>2020-06-16 01:15:29 +0200
committerPeter Zijlstra <peterz@infradead.org>2020-06-16 15:35:02 +0200
commit33aea07f30c261eff7ba229f19fd1b161e0fb851 (patch)
tree30051779e2a636e9fa8bf14873ad41bb114e769e /lib/Kconfig.kasan
parent8e8bb06d199a5aa7a534aa3b3fc0abbbc11ca438 (diff)
compiler_attributes.h: Support no_sanitize_undefined check with GCC 4
UBSAN is supported since GCC 4.9, which unfortunately did not yet have __has_attribute(). To work around, the __GCC4_has_attribute workaround requires defining which compiler version supports the given attribute. In the case of no_sanitize_undefined, it is the first version that supports UBSAN, which is GCC 4.9. Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Marco Elver <elver@google.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> Link: https://lkml.kernel.org/r/20200615231529.GA119644@google.com
Diffstat (limited to 'lib/Kconfig.kasan')
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