This is a note to let you know that I've just added the patch titled MIPS: math-emu: Allow m{f,t}hc emulation on MIPS R6 to the 4.2-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-math-emu-allow-m-f-t-hc-emulation-on-mips-r6.patch and it can be found in the queue-4.2 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From e8f80cc1a6d80587136b015e989a12827e1fcfe5 Mon Sep 17 00:00:00 2001 From: Markos Chandras <markos.chandras@xxxxxxxxxx> Date: Fri, 17 Jul 2015 10:36:03 +0100 Subject: MIPS: math-emu: Allow m{f,t}hc emulation on MIPS R6 From: Markos Chandras <markos.chandras@xxxxxxxxxx> commit e8f80cc1a6d80587136b015e989a12827e1fcfe5 upstream. The mfhc/mthc instructions are supported on MIPS R6 so emulate them if needed. Signed-off-by: Markos Chandras <markos.chandras@xxxxxxxxxx> Cc: linux-mips@xxxxxxxxxxxxxx Patchwork: https://patchwork.linux-mips.org/patch/10737/ Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/mips/math-emu/cp1emu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/arch/mips/math-emu/cp1emu.c +++ b/arch/mips/math-emu/cp1emu.c @@ -1137,7 +1137,7 @@ emul: break; case mfhc_op: - if (!cpu_has_mips_r2) + if (!cpu_has_mips_r2_r6) goto sigill; /* copregister rd -> gpr[rt] */ @@ -1148,7 +1148,7 @@ emul: break; case mthc_op: - if (!cpu_has_mips_r2) + if (!cpu_has_mips_r2_r6) goto sigill; /* copregister rd <- gpr[rt] */ Patches currently in stable-queue which might be from markos.chandras@xxxxxxxxxx are queue-4.2/mips-math-emu-allow-m-f-t-hc-emulation-on-mips-r6.patch queue-4.2/mips-cps-use-32b-accesses-to-gcrs.patch queue-4.2/mips-math-emu-emulate-missing-bc1-eq-ne-z-instructions.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