]> git.baikalelectronics.ru Git - kernel.git/commit
kasan: Bump required compiler version
authorMarco Elver <elver@google.com>
Thu, 4 Jun 2020 05:58:10 +0000 (07:58 +0200)
committerPeter Zijlstra <peterz@infradead.org>
Mon, 15 Jun 2020 12:10:09 +0000 (14:10 +0200)
commitaddbf952e2c9ff559644ef0aef41ac1990ab7a28
treed7d45d16591a1900f4b424913fbabaed72dce8d6
parentc053f0a1ae96f83eab3094698d242a6877d795d3
kasan: Bump required compiler version

Adds config variable CC_HAS_WORKING_NOSANITIZE_ADDRESS, which will be
true if we have a compiler that does not fail builds due to
no_sanitize_address functions. This does not yet mean they work as
intended, but for automated build-tests, this is the minimum
requirement.

For example, we require that __always_inline functions used from
no_sanitize_address functions do not generate instrumentation. On GCC <=
7 this fails to build entirely, therefore we make the minimum version
GCC 8.

Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Marco Elver <elver@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Acked-by: Andrey Konovalov <andreyknvl@google.com>
Link: https://lkml.kernel.org/r/20200602175859.GC2604@hirez.programming.kicks-ass.net
lib/Kconfig.kasan