This is a note to let you know that I've just added the patch titled
locking/refcounts, x86/asm: Enable CONFIG_ARCH_HAS_REFCOUNT
to the 4.14-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:
locking-refcounts-x86-asm-enable-config_arch_has_refcount.patch
and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Wed Dec 6 18:04:41 CET 2017
From: Kees Cook <keescook@xxxxxxxxxxxx>
Date: Sat, 2 Sep 2017 13:09:46 -0700
Subject: locking/refcounts, x86/asm: Enable CONFIG_ARCH_HAS_REFCOUNT
From: Kees Cook <keescook@xxxxxxxxxxxx>
[ Upstream commit 39208aa7ecb7d9c4e86df782b5693270313cbab1 ]
With the section inlining bug fixed for the x86 refcount protection,
we can turn the config back on.
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
Cc: Elena <elena.reshetova@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: linux-arch <linux-arch@xxxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1504382986-49301-3-git-send-email-keescook@xxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/x86/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -56,7 +56,7 @@ config X86
select ARCH_HAS_KCOV if X86_64
select ARCH_HAS_PMEM_API if X86_64
# Causing hangs/crashes, see the commit that added this change for details.
- select ARCH_HAS_REFCOUNT if BROKEN
+ select ARCH_HAS_REFCOUNT
select ARCH_HAS_UACCESS_FLUSHCACHE if X86_64
select ARCH_HAS_SET_MEMORY
select ARCH_HAS_SG_CHAIN
Patches currently in stable-queue which might be from keescook@xxxxxxxxxxxx are
queue-4.14/locking-refcounts-x86-asm-use-unique-.text-section-for-refcount-exceptions.patch
queue-4.14/locking-refcounts-x86-asm-enable-config_arch_has_refcount.patch