From 04f19c5801b5e45ba34a559779e284bfbcee62b9 Mon Sep 17 00:00:00 2001 From: ChiaHao Date: Thu, 12 Jun 2014 15:32:33 +0100 Subject: arm64: Bug fix in stack alignment exception MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 3906c2b53cd23c2ae03e6ce41432c8e7f0a3cbbb upstream. 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 Signed-off-by: Catalin Marinas Cc: Signed-off-by: Greg Kroah-Hartman --- arch/arm64/kernel/entry.S | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index 39ac630d83de..a8e4bdbbb4b8 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -275,7 +275,6 @@ el1_sp_pc: * Stack or PC alignment exception handling */ mrs x0, far_el1 - mov x1, x25 mov x2, sp b do_sp_pc_abort el1_undef: -- cgit v1.2.3