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Oliver O'Halloran 2400fd822f powerpc/asm: Mark cr0 as clobbered in mftb() 
The workaround for the CELL timebase bug does not correctly mark cr0 as
being clobbered. This means GCC doesn't know that the asm block changes cr0 and
might leave the result of an unrelated comparison in cr0 across the block, which
we then trash, leading to basically random behaviour.

Fixes: 859deea949 ("[POWERPC] Cell timebase bug workaround")
Cc: stable@vger.kernel.org # v2.6.19+
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
[mpe: Tweak change log and flag for stable]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
 		2017-07-11 12:53:53 +10:00
..
alpha Merge branch 'uaccess.strlen' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-07-06 22:07:44 -07:00
arc Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-07-03 16:14:51 -07:00
arm pci-v4.13-changes 2017-07-08 15:51:57 -07:00
arm64 pci-v4.13-changes 2017-07-08 15:51:57 -07:00
blackfin - Core Frameworks 2017-07-07 13:38:26 -07:00
c6x This is the first pull request for the new dma-mapping subsystem 2017-07-06 19:20:54 -07:00
cris Merge branch 'uaccess.strlen' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-07-06 22:07:44 -07:00
frv Merge branch 'uaccess.strlen' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-07-06 22:07:44 -07:00
h8300 Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-07-03 16:14:51 -07:00
hexagon Merge branch 'akpm' (patches from Andrew) 2017-07-06 22:27:08 -07:00
ia64 Kbuild thin archives updates for v4.13 2017-07-07 15:11:12 -07:00
m32r Merge branch 'uaccess.strlen' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-07-06 22:07:44 -07:00
m68k Merge branch 'uaccess.strlen' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-07-06 22:07:44 -07:00
metag Merge branch 'akpm' (patches from Andrew) 2017-07-06 22:27:08 -07:00
microblaze Merge branch 'uaccess.strlen' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-07-06 22:07:44 -07:00
mips pci-v4.13-changes 2017-07-08 15:51:57 -07:00
mn10300 Merge branch 'akpm' (patches from Andrew) 2017-07-06 22:27:08 -07:00
nios2 Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-07-03 16:14:51 -07:00
openrisc OpenRISC fixes for 4.13 2017-07-07 13:58:49 -07:00
parisc Merge branch 'akpm' (patches from Andrew) 2017-07-06 22:27:08 -07:00
powerpc powerpc/asm: Mark cr0 as clobbered in mftb() 2017-07-11 12:53:53 +10:00
s390 Merge branch 'akpm' (patches from Andrew) 2017-07-06 22:27:08 -07:00
score Merge branch 'uaccess.strlen' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-07-06 22:07:44 -07:00
sh Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2017-07-08 12:39:37 -07:00
sparc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next 2017-07-08 12:14:14 -07:00
tile Kbuild thin archives updates for v4.13 2017-07-07 15:11:12 -07:00
um Merge branch 'uaccess.strlen' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-07-06 22:07:44 -07:00
unicore32 signal: Remove non-uapi <asm/siginfo.h> 2017-06-04 15:11:47 +02:00
x86 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-07-09 11:21:31 -07:00
xtensa Merge branch 'uaccess.strlen' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-07-06 22:07:44 -07:00
.gitignore
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Kconfig Kbuild thin archives updates for v4.13 2017-07-07 15:11:12 -07:00