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| author | Kees Cook <keescook@chromium.org> | 2022-02-23 22:05:58 -0800 |
|---|---|---|
| committer | Matt Turner <mattst88@gmail.com> | 2023-02-14 12:36:22 -0500 |
| commit | bd1912de892ce30e1e2242e67716d25188fbfa44 (patch) | |
| tree | fea997c7b98516073ba748ac0bbaccb39440d047 /arch/alpha/include/asm | |
| parent | d7cf43edebe577c58c7858cf61b03d618d4336cf (diff) | |
| download | linux-stable-bd1912de892ce30e1e2242e67716d25188fbfa44.tar.gz linux-stable-bd1912de892ce30e1e2242e67716d25188fbfa44.tar.bz2 linux-stable-bd1912de892ce30e1e2242e67716d25188fbfa44.zip | |
alpha: Implement "current_stack_pointer"
To follow the existing per-arch conventions replace open-coded use
of asm "$30" as "current_stack_pointer". This will let it be used in
non-arch places (like HARDENED_USERCOPY).
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: "Alexander A. Klimov" <grandmaster@al2klimov.de>
Cc: linux-alpha@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Matt Turner <mattst88@gmail.com>
Diffstat (limited to 'arch/alpha/include/asm')
| -rw-r--r-- | arch/alpha/include/asm/thread_info.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/thread_info.h b/arch/alpha/include/asm/thread_info.h index 082631465074..354247dca161 100644 --- a/arch/alpha/include/asm/thread_info.h +++ b/arch/alpha/include/asm/thread_info.h @@ -41,6 +41,8 @@ struct thread_info { register struct thread_info *__current_thread_info __asm__("$8"); #define current_thread_info() __current_thread_info +register unsigned long *current_stack_pointer __asm__ ("$30"); + #endif /* __ASSEMBLY__ */ /* Thread information allocation. */ |