This is a note to let you know that I've just added the patch titled
MIPS: BMIPS: Fix missing cbr address
to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: mips-bmips-fix-missing-cbr-address.patch and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From ea4b3afe1eac8f88bb453798a084fba47a1f155a Mon Sep 17 00:00:00 2001
From: Jaedon Shin jaedon.shin@gmail.com Date: Fri, 16 Jun 2017 20:03:01 +0900 Subject: MIPS: BMIPS: Fix missing cbr address
From: Jaedon Shin jaedon.shin@gmail.com
commit ea4b3afe1eac8f88bb453798a084fba47a1f155a upstream.
Fix NULL pointer access in BMIPS3300 RAC flush.
Fixes: 738a3f79027b ("MIPS: BMIPS: Add early CPU initialization code") Signed-off-by: Jaedon Shin jaedon.shin@gmail.com Reviewed-by: Florian Fainelli f.fainelli@gmail.com Cc: Kevin Cernekee cernekee@gmail.com Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/16423/ Signed-off-by: James Hogan jhogan@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- arch/mips/kernel/smp-bmips.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/arch/mips/kernel/smp-bmips.c +++ b/arch/mips/kernel/smp-bmips.c @@ -587,11 +587,11 @@ void __init bmips_cpu_setup(void)
/* Flush and enable RAC */ cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG); - __raw_writel(cfg | 0x100, BMIPS_RAC_CONFIG); + __raw_writel(cfg | 0x100, cbr + BMIPS_RAC_CONFIG); __raw_readl(cbr + BMIPS_RAC_CONFIG);
cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG); - __raw_writel(cfg | 0xf, BMIPS_RAC_CONFIG); + __raw_writel(cfg | 0xf, cbr + BMIPS_RAC_CONFIG); __raw_readl(cbr + BMIPS_RAC_CONFIG);
cfg = __raw_readl(cbr + BMIPS_RAC_ADDRESS_RANGE);
Patches currently in stable-queue which might be from jaedon.shin@gmail.com are
queue-4.9/mips-bmips-fix-missing-cbr-address.patch