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2ad67141f1
linux/arch
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Tushar Dave 2ad67141f1 SPARC64: Fix sun4v DMA panic 
64bit DMA only supported on sun4v equipped with ATU IOMMU HW.
'Commit b02c2b0bfd ("sparc: remove arch specific dma_supported
implementations")' introduced a code that incorrectly allow
dma_supported() to succeed for 64bit dma mask even if system doesn't
have ATU IOMMU. This results into panic.

Fix it.

Reported-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: Tushar Dave <tushar.n.dave@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-12 08:13:04 -07:00
..
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 arm: move ELF_ET_DYN_BASE to 4MB 2017-07-10 16:32:36 -07:00
arm64 arm64: move ELF_ET_DYN_BASE to 4GB / 4MB 2017-07-10 16:32:36 -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 frv: cmpxchg: implement cmpxchg64() 2017-07-10 16:32:34 -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 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu 2017-07-11 09:52:56 -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 lib/extable.c: use bsearch() library function in search_extable() 2017-07-10 16:32:35 -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: move ELF_ET_DYN_BASE to 4GB / 4MB 2017-07-10 16:32:36 -07:00
s390 s390: reduce ELF_ET_DYN_BASE 2017-07-10 16:32:36 -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 lib/extable.c: use bsearch() library function in search_extable() 2017-07-10 16:32:35 -07:00
sparc SPARC64: Fix sun4v DMA panic 2017-07-12 08:13:04 -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 binfmt_elf: use ELF_ET_DYN_BASE only for PIE 2017-07-10 16:32:36 -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
Kconfig Kbuild thin archives updates for v4.13 2017-07-07 15:11:12 -07:00