* [PATCH] arch/x86: add __noreturn __cold to fortify_panic()
@ 2018-01-01 21:36 Joey Pabalinas
2018-01-01 21:41 ` Joe Perches
0 siblings, 1 reply; 3+ messages in thread
From: Joey Pabalinas @ 2018-01-01 21:36 UTC (permalink / raw)
To: x86; +Cc: hpa, tglx, mingo, linux-kernel, Joey Pabalinas
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Definition of `fortify_panic()` doesn't match the declaration
in include/linux/string.h. Add the missing __noreturn __cold
attributes to `fortify_panic()`.
Signed-off-by: Joey Pabalinas <joeypabalinas@gmail.com>
---
arch/x86/boot/compressed/misc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
index 98761a1576ceb5c21b..707cf3f339e37f7f8c 100644
--- a/arch/x86/boot/compressed/misc.c
+++ b/arch/x86/boot/compressed/misc.c
@@ -428,7 +428,7 @@ asmlinkage __visible void *extract_kernel(void *rmode, memptr heap,
return output;
}
-void fortify_panic(const char *name)
+void __noreturn __cold fortify_panic(const char *name)
{
error("detected buffer overflow");
}
--
2.15.1
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] arch/x86: add __noreturn __cold to fortify_panic()
2018-01-01 21:36 [PATCH] arch/x86: add __noreturn __cold to fortify_panic() Joey Pabalinas
@ 2018-01-01 21:41 ` Joe Perches
2018-01-01 21:46 ` Joey Pabalinas
0 siblings, 1 reply; 3+ messages in thread
From: Joe Perches @ 2018-01-01 21:41 UTC (permalink / raw)
To: Joey Pabalinas, x86; +Cc: hpa, tglx, mingo, linux-kernel
On Mon, 2018-01-01 at 11:36 -1000, Joey Pabalinas wrote:
> Definition of `fortify_panic()` doesn't match the declaration
> in include/linux/string.h. Add the missing __noreturn __cold
> attributes to `fortify_panic()`.
This should not be necessary as the prototype
has those attributes.
Otherwise, all the __printf attributes would
also have to be added to the definitions and
not the just the declarations.
> Signed-off-by: Joey Pabalinas <joeypabalinas@gmail.com>
> ---
> arch/x86/boot/compressed/misc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
> index 98761a1576ceb5c21b..707cf3f339e37f7f8c 100644
> --- a/arch/x86/boot/compressed/misc.c
> +++ b/arch/x86/boot/compressed/misc.c
> @@ -428,7 +428,7 @@ asmlinkage __visible void *extract_kernel(void *rmode, memptr heap,
> return output;
> }
>
> -void fortify_panic(const char *name)
> +void __noreturn __cold fortify_panic(const char *name)
> {
> error("detected buffer overflow");
> }
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] arch/x86: add __noreturn __cold to fortify_panic()
2018-01-01 21:41 ` Joe Perches
@ 2018-01-01 21:46 ` Joey Pabalinas
0 siblings, 0 replies; 3+ messages in thread
From: Joey Pabalinas @ 2018-01-01 21:46 UTC (permalink / raw)
To: Joe Perches; +Cc: x86, hpa, tglx, mingo, linux-kernel
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On Mon, Jan 01, 2018 at 01:41:55PM -0800, Joe Perches wrote:
> This should not be necessary as the prototype
> has those attributes.
>
> Otherwise, all the __printf attributes would
> also have to be added to the definitions and
> not the just the declarations.
Ah I see, gotcha.
--
Joey Pabalinas
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^ permalink raw reply [flat|nested] 3+ messages in thread
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2018-01-01 21:36 [PATCH] arch/x86: add __noreturn __cold to fortify_panic() Joey Pabalinas
2018-01-01 21:41 ` Joe Perches
2018-01-01 21:46 ` Joey Pabalinas
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