[PATCH v2] ARM: kexec: Use the right ISA for relocate_new_kernel
will.deacon at arm.com
Fri Nov 8 08:34:27 EST 2013
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 at 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.
Acked-by: Will Deacon <will.deacon at arm.com>
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