* [PATCH] arm: create_mapping function to remove unused return values
@ 2022-06-07 3:31 Li kunyu
2022-06-09 18:29 ` Andrey Konovalov
0 siblings, 1 reply; 2+ messages in thread
From: Li kunyu @ 2022-06-07 3:31 UTC (permalink / raw)
To: ryabinin.a.a, glider, andreyknvl, dvyukov, vincenzo.frascino
Cc: linux, kasan-dev, linux-arm-kernel, linux-kernel, Li kunyu
Change the return value to void to reduce eax register execution.
Signed-off-by: Li kunyu <kunyu@nfschina.com>
---
arch/arm/mm/kasan_init.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/arm/mm/kasan_init.c b/arch/arm/mm/kasan_init.c
index 5ad0d6c56d56..db2068329985 100644
--- a/arch/arm/mm/kasan_init.c
+++ b/arch/arm/mm/kasan_init.c
@@ -187,7 +187,7 @@ static void __init clear_pgds(unsigned long start,
pmd_clear(pmd_off_k(start));
}
-static int __init create_mapping(void *start, void *end)
+static void __init create_mapping(void *start, void *end)
{
void *shadow_start, *shadow_end;
@@ -199,7 +199,6 @@ static int __init create_mapping(void *start, void *end)
kasan_pgd_populate((unsigned long)shadow_start & PAGE_MASK,
PAGE_ALIGN((unsigned long)shadow_end), false);
- return 0;
}
void __init kasan_init(void)
--
2.18.2
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] arm: create_mapping function to remove unused return values
2022-06-07 3:31 [PATCH] arm: create_mapping function to remove unused return values Li kunyu
@ 2022-06-09 18:29 ` Andrey Konovalov
0 siblings, 0 replies; 2+ messages in thread
From: Andrey Konovalov @ 2022-06-09 18:29 UTC (permalink / raw)
To: Li kunyu, Linux ARM
Cc: Andrey Ryabinin, Alexander Potapenko, Dmitry Vyukov,
Vincenzo Frascino, linux, kasan-dev, LKML
On Tue, Jun 7, 2022 at 5:31 AM Li kunyu <kunyu@nfschina.com> wrote:
>
> Change the return value to void to reduce eax register execution.
>
> Signed-off-by: Li kunyu <kunyu@nfschina.com>
> ---
> arch/arm/mm/kasan_init.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/arch/arm/mm/kasan_init.c b/arch/arm/mm/kasan_init.c
> index 5ad0d6c56d56..db2068329985 100644
> --- a/arch/arm/mm/kasan_init.c
> +++ b/arch/arm/mm/kasan_init.c
> @@ -187,7 +187,7 @@ static void __init clear_pgds(unsigned long start,
> pmd_clear(pmd_off_k(start));
> }
>
> -static int __init create_mapping(void *start, void *end)
> +static void __init create_mapping(void *start, void *end)
> {
> void *shadow_start, *shadow_end;
>
> @@ -199,7 +199,6 @@ static int __init create_mapping(void *start, void *end)
>
> kasan_pgd_populate((unsigned long)shadow_start & PAGE_MASK,
> PAGE_ALIGN((unsigned long)shadow_end), false);
> - return 0;
> }
>
> void __init kasan_init(void)
> --
> 2.18.2
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2022-06-09 18:29 UTC | newest]
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2022-06-07 3:31 [PATCH] arm: create_mapping function to remove unused return values Li kunyu
2022-06-09 18:29 ` Andrey Konovalov
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