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2935ed5339c495066d901b97de384d86c55a3f6d
linux/arch/arm/mm
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Christoph Hellwig ad3c7b18c5 arm: use swiotlb for bounce buffering on LPAE configs 
The DMA API requires that 32-bit DMA masks are always supported, but on
arm LPAE configs they do not currently work when memory is present
above 4GB.  Wire up the swiotlb code like for all other architectures
to provide the bounce buffering in that case.

Fixes: 21e07dba9f ("scsi: reduce use of block bounce buffers").
Reported-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Vignesh Raghavendra <vigneshr@ti.com>
2019-07-24 17:29:01 +02:00
..
abort-ev4.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
abort-ev4t.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
abort-ev5t.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
abort-ev5tj.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
abort-ev6.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
abort-ev7.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
abort-lv4t.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
abort-macro.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
abort-nommu.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
alignment.c
Merge branch 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2019-07-08 21:48:15 -07:00
cache-aurora-l2.h
ARM: 7547/4: cache-l2x0: add support for Aurora L2 cache ctrl
2012-11-06 19:47:35 +00:00
cache-b15-rac.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
cache-fa.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
cache-feroceon-l2.c
ARM: 8416/1: Feroceon: use of_iomap() to map register base
2015-08-18 14:00:30 +01:00
cache-l2x0-pmu.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333
2019-06-05 17:37:06 +02:00
cache-l2x0.c
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2019-06-05 17:37:06 +02:00
cache-nop.S
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2019-06-19 17:09:55 +02:00
cache-tauros2.c
ARM: l2c: tauros2: use descriptive definitions for register bits
2015-11-26 22:12:26 +00:00
cache-tauros3.h
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2019-05-30 11:26:39 -07:00
cache-uniphier.c
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cache-v4.S
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cache-v4wb.S
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cache-v4wt.S
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cache-v6.S
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2019-06-19 17:09:55 +02:00
cache-v7.S
Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
2019-07-08 21:08:34 -07:00
cache-v7m.S
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cache-xsc3l2.c
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context.c
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copypage-fa.c
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copypage-feroceon.c
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copypage-v4mc.c
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copypage-v4wb.c
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copypage-v4wt.c
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copypage-v6.c
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copypage-xsc3.c
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copypage-xscale.c
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2019-06-19 17:09:55 +02:00
dma-mapping-nommu.c
Merge tag 'dma-mapping-5.3' of git://git.infradead.org/users/hch/dma-mapping
2019-07-12 15:13:55 -07:00
dma-mapping.c
arm: use swiotlb for bounce buffering on LPAE configs
2019-07-24 17:29:01 +02:00
dma.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dump.c
Merge tag 'driver-core-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2019-07-12 12:24:03 -07:00
extable.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
fault-armv.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
fault.c
mm, kprobes: generalize and rename notify_page_fault() as kprobe_page_fault()
2019-07-16 19:23:22 -07:00
fault.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
flush.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
fsr-2level.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
fsr-3level.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
highmem.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
hugetlbpage.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333
2019-06-05 17:37:06 +02:00
idmap.c
ARM: 8817/1: mm: skip cleaning of idmap page tables on LPAE capable cores
2019-02-01 21:44:05 +00:00
init.c
arm: use swiotlb for bounce buffering on LPAE configs
2019-07-24 17:29:01 +02:00
iomap.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ioremap.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
Kconfig
arm: use swiotlb for bounce buffering on LPAE configs
2019-07-24 17:29:01 +02:00
l2c-common.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
l2c-l2x0-resume.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Makefile
Merge branches 'fixes', 'misc' and 'spectre' into for-linus
2018-06-05 10:03:27 +01:00
mm.h
ARM: 8864/1: Add workaround for I-Cache line size mismatch between CPU cores
2019-06-20 22:29:58 +01:00
mmap.c
exec: pass stack rlimit into mm layout functions
2018-04-11 10:28:37 -07:00
mmu.c
arm: switch to generic version of pte allocation
2019-07-12 11:05:45 -07:00
nommu.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
pabort-legacy.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
pabort-v6.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
pabort-v7.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
pageattr.c
mm/pgtable: drop pgtable_t variable from pte_fn_t functions
2019-07-12 11:05:46 -07:00
pgd.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
physaddr.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
pmsa-v7.c
ARM: 8754/1: NOMMU: Move PMSAv7 MPU under it's own namespace
2018-05-19 11:53:46 +01:00
pmsa-v8.c
ARM: 8831/1: NOMMU: pmsa-v8: remove unneeded semicolon
2019-02-01 21:44:45 +00:00
proc-arm7tdmi.S
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proc-arm9tdmi.S
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proc-arm720.S
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proc-arm740.S
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proc-arm920.S
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proc-arm922.S
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proc-arm925.S
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proc-arm926.S
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proc-arm940.S
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proc-arm946.S
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proc-arm1020.S
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proc-arm1020e.S
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proc-arm1022.S
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proc-arm1026.S
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proc-fa526.S
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proc-feroceon.S
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2019-05-30 11:26:35 -07:00
proc-macros.S
ARM: fix the cockup in the previous patch
2018-12-07 13:13:42 +00:00
proc-mohawk.S
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proc-sa110.S
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proc-sa1100.S
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proc-syms.c
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proc-v6.S
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proc-v7-2level.S
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proc-v7-3level.S
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2019-06-05 17:37:06 +02:00
proc-v7-bugs.c
ARM: spectre-v2: per-CPU vtables to work around big.Little systems
2018-11-12 10:51:01 +00:00
proc-v7.S
Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
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proc-v7m.S
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proc-xsc3.S
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proc-xscale.S
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ptdump_debugfs.c
arm: dump: no need to check return value of debugfs_create functions
2019-06-03 15:49:07 +02:00
pv-fixup-asm.S
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tcm.h
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tlb-fa.S
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tlb-v4.S
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tlb-v4wb.S
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tlb-v4wbi.S
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tlb-v6.S
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tlb-v7.S
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