On Wed, 2015-08-05 at 15:49 -0700, Paul Burton wrote: > On Wed, Aug 05, 2015 at 02:47:14PM -0700, Kamal Mostafa wrote: > > This is a note to let you know that I have just added a patch titled > > MIPS: kernel: cps-vec: Replace mips32r2 ISA level with mips64r2 > > to the linux-3.19.y-queue > Hi Kamal, > > This patch breaks the boot of SMP kernels on Imagination's current > MIPS32 systems. This & the other MIPS64 related patches that were > submitted as part of the same series do not improve things for any CPUs > that Linux supports even as of the v4.2 cycle, so I do not believe they > should have been marked for backport. > > So please either drop this patch (& preferrably the other MIPS64 CPS SMP > ones too) Hi Paul- Thanks for the heads-up! Please confirm that these are the specific commits to be dropped / not-applied to stable: b677bc0 MIPS: cps-vec: Use macros for various arithmetics and memory operations 717f142 MIPS: kernel: cps-vec: Replace KSEG0 with CKSEG0 0586ac7 MIPS: kernel: cps-vec: Use ta0-ta3 pseudo-registers for 64-bit 977e043 MIPS: kernel: cps-vec: Replace mips32r2 ISA level with mips64r2 81a02e3 MIPS: kernel: cps-vec: Replace 'la' macro with PTR_LA fd5ed30 MIPS: kernel: smp-cps: Fix 64-bit compatibility errors due to pointer casting -Kamal > or also backport the series I've just submitted: > > http://marc.info/?l=linux-mips&m=143881461431570&w=2 > > My preference would be for not backporting any of them. > > Thanks, > Paul > > > For more information about the 3.19.y-ckt tree, see > > https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable > > > > Thanks. > > -Kamal > > > > ------ > > > > From 22a7e30c46134b8c9978a237c6d143b59b66609a Mon Sep 17 00:00:00 2001 > > From: Markos Chandras <markos.chandras@xxxxxxxxxx> > > Date: Wed, 1 Jul 2015 09:13:30 +0100 > > Subject: MIPS: kernel: cps-vec: Replace mips32r2 ISA level with mips64r2 > > > > commit 977e043d5ea1270ce985e4c165724ff91dc3c3e2 upstream. > > > > mips32r2 is a subset of mips64r2, so we replace mips32r2 with mips64r2 > > in preparation for 64-bit CPS support. > > > > Reviewed-by: Paul Burton <paul.burton@xxxxxxxxxx> > > Signed-off-by: Markos Chandras <markos.chandras@xxxxxxxxxx> > > Cc: linux-mips@xxxxxxxxxxxxxx > > Patchwork: https://patchwork.linux-mips.org/patch/10588/ > > Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx> > > Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx> > > --- > > arch/mips/kernel/cps-vec.S | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S > > index a4b2d81..bbbd88e 100644 > > --- a/arch/mips/kernel/cps-vec.S > > +++ b/arch/mips/kernel/cps-vec.S > > @@ -229,7 +229,7 @@ LEAF(mips_cps_core_init) > > nop > > > > .set push > > - .set mips32r2 > > + .set mips64r2 > > .set mt > > > > /* Only allow 1 TC per VPE to execute... */ > > @@ -346,7 +346,7 @@ LEAF(mips_cps_boot_vpes) > > nop > > > > .set push > > - .set mips32r2 > > + .set mips64r2 > > .set mt > > > > 1: /* Enter VPE configuration state */ > > -- > > 1.9.1 > > >
