Messages in this thread | | | Date | Fri, 12 Feb 2021 10:54:59 +0000 | From | Catalin Marinas <> | Subject | Re: [PATCH v2] arm64: Fix warning in mte_get_random_tag() |
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On Thu, Feb 11, 2021 at 03:22:08PM +0000, Vincenzo Frascino wrote: > The simplification of mte_get_random_tag() caused the introduction of the > warning below: > > In file included from arch/arm64/include/asm/kasan.h:9, > from include/linux/kasan.h:16, > from mm/kasan/common.c:14: > mm/kasan/common.c: In function ‘mte_get_random_tag’: > arch/arm64/include/asm/mte-kasan.h:45:9: warning: ‘addr’ is used > uninitialized [-Wuninitialized] > 45 | asm(__MTE_PREAMBLE "irg %0, %0" > | > > Fix the warning using "=r" for the address in the asm inline. > > Fixes: c8f8de4c0887 ("arm64: kasan: simplify and inline MTE functions") > Cc: Catalin Marinas <catalin.marinas@arm.com> > Cc: Will Deacon <will@kernel.org> > Cc: Andrey Konovalov <andreyknvl@google.com> > Cc: Andrew Morton <akpm@linux-foundation.org> > Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
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