From mboxrd@z Thu Jan  1 00:00:00 1970
From: will.deacon@arm.com (Will Deacon)
Date: Fri, 8 Nov 2013 13:34:27 +0000
Subject: [PATCH v2] ARM: kexec: Use the right ISA for relocate_new_kernel
In-Reply-To: <1383913444-9153-1-git-send-email-Dave.Martin@arm.com>
References: <1383913444-9153-1-git-send-email-Dave.Martin@arm.com>
Message-ID: <20131108133426.GE17461@mudshark.cambridge.arm.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Fri, Nov 08, 2013 at 12:24:04PM +0000, Dave Martin wrote:
> Copying a function with memcpy() and then trying to execute the
> result isn't trivially portable to Thumb.
> 
> This patch modifies the kexec soft restart code to copy its
> assembler trampoline relocate_new_kernel() using fncpy() instead,
> so that relocate_new_kernel can be in the same ISA as the rest of
> the kernel without problems.
> 
> Signed-off-by: Dave Martin <Dave.Martin@arm.com>
> ---
> Changes since v1:
> 
>   * Move ENDPROC() after relocate_new_kernel's literals, to be
>     consistent the location of relocate_new_kernel_end and with the way
>     GCC sets ELF symbol sizes for functions.  This is just a tidyup,
>     with no functional impact.

Cheers Dave:

  Acked-by: Will Deacon <will.deacon@arm.com>

Will