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arm64: Bug fix in stack alignment exception 

The value of ESR has been stored into x1, and should be directly pass to
do_sp_pc_abort function, "MOV x1, x25" is an extra operation and do_sp_pc_abort
will get the wrong value of ESR.

Signed-off-by: ChiaHao <andy.jhshiu@gmail.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: <stable@vger.kernel.org>
This commit is contained in:
ChiaHao 2014-06-12 15:32:33 +01:00 committed by Catalin Marinas
parent 7171511eae
commit 3906c2b53c
1 changed files with 0 additions and 1 deletions
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arch/arm64/kernel/entry.S
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@ -279,7 +279,6 @@ el1_sp_pc:
*/ */
mrs x0, far_el1 mrs x0, far_el1
enable_dbg enable_dbg
mov x1, x25
mov x2, sp mov x2, sp
b do_sp_pc_abort b do_sp_pc_abort
el1_undef: el1_undef: