The patch below does not apply to the 3.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 3906c2b53cd23c2ae03e6ce41432c8e7f0a3cbbb Mon Sep 17 00:00:00 2001 From: ChiaHao <andy.jhshiu@xxxxxxxxx> Date: Thu, 12 Jun 2014 15:32:33 +0100 Subject: [PATCH] arm64: Bug fix in stack alignment exception MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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@xxxxxxxxx> Signed-off-by: Catalin Marinas <catalin.marinas@xxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index bf017f4ffb4f..9ce04ba6bcb0 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -279,7 +279,6 @@ el1_sp_pc: */ mrs x0, far_el1 enable_dbg - mov x1, x25 mov x2, sp b do_sp_pc_abort el1_undef: -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html