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Date: Tue, 28 Jun 2016 09:43:31 -0700
From: Joe Perches <>
To: Emese Revfy <>,
Subject: Re: [PATCH v1 2/2] Mark functions with the __nocapture attribute

On Tue, 2016-06-28 at 13:36 +0200, Emese Revfy wrote:
> The nocapture gcc attribute can be on functions only.
> The attribute takes one or more unsigned integer constants as parameters
> that specify the function argument(s) of const char* type to initify.

Perhaps this should be const <type>*
> diff --git a/arch/arm/include/asm/string.h b/arch/arm/include/asm/string.h
> @@ -7,19 +7,19 @@
>  #define __HAVE_ARCH_MEMCPY
> -extern void * memcpy(void *, const void *, __kernel_size_t);
> +extern void * memcpy(void *, const void *, __kernel_size_t) __nocapture(2);

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