This is a note to let you know that I've just added the patch titled MIPS: mm: Fix definition of R6 cache instruction to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: mips-mm-fix-definition-of-r6-cache-instruction.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 4f53989b0652ffe2605221c81ca8ffcfc90aed2a Mon Sep 17 00:00:00 2001 From: Matt Redfearn <matt.redfearn@xxxxxxxxxx> Date: Tue, 14 Jun 2016 14:59:38 +0100 Subject: MIPS: mm: Fix definition of R6 cache instruction From: Matt Redfearn <matt.redfearn@xxxxxxxxxx> commit 4f53989b0652ffe2605221c81ca8ffcfc90aed2a upstream. Commit a168b8f1cde6 ("MIPS: mm: Add MIPS R6 instruction encodings") added an incorrect definition of the redefined MIPSr6 cache instruction. Executing any kernel code including this instuction results in a reserved instruction exception and kernel panic. Fix the instruction definition. Fixes: a168b8f1cde6588ff7a67699fa11e01bc77a5ddd Signed-off-by: Matt Redfearn <matt.redfearn@xxxxxxxxxx> Cc: linux-mips@xxxxxxxxxxxxxx Cc: linux-kernel@xxxxxxxxxxxxxxx Patchwork: https://patchwork.linux-mips.org/patch/13663/ Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/mips/mm/uasm-mips.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/mips/mm/uasm-mips.c +++ b/arch/mips/mm/uasm-mips.c @@ -65,7 +65,7 @@ static struct insn insn_table[] = { #ifndef CONFIG_CPU_MIPSR6 { insn_cache, M(cache_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, #else - { insn_cache, M6(cache_op, 0, 0, 0, cache6_op), RS | RT | SIMM9 }, + { insn_cache, M6(spec3_op, 0, 0, 0, cache6_op), RS | RT | SIMM9 }, #endif { insn_daddiu, M(daddiu_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, { insn_daddu, M(spec_op, 0, 0, 0, 0, daddu_op), RS | RT | RD }, Patches currently in stable-queue which might be from matt.redfearn@xxxxxxxxxx are queue-4.4/mips-mm-fix-definition-of-r6-cache-instruction.patch -- 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