Brian Starkey 20d7a35bc8 drivers: dma-coherent: use memset_io for DMA_MEMORY_IO mappings ... Use memset_io() for DMA_MEMORY_IO mappings which are mapped as I/O memory, and regular memset() for DMA_MEMORY_MAP mappings. This fixes the below alignment fault on arm64 for DMA_MEMORY_IO mappings, where memset() uses the DC ZVA instruction which is invalid on device memory. Unhandled fault: alignment fault (0x96000061) at 0xffffff8000380000 Internal error: : 96000061 [#1] PREEMPT SMP Modules linked in: hdlcd(+) clk_scpi CPU: 4 PID: 1355 Comm: systemd-udevd Not tainted 4.4.0-rc1+ #5 Hardware name: ARM Juno development board (r0) (DT) task: ffffffc9763eee00 ti: ffffffc9758c4000 task.ti: ffffffc9758c4000 PC is at __efistub_memset+0x1ac/0x200 LR is at dma_alloc_from_coherent+0xb0/0x120 pc : [<ffffffc00030ff2c>] lr : [<ffffffc00042a918>] pstate: 400001c5 sp : ffffffc9758c79a0 x29: ffffffc9758c79a0 x28: ffffffc000635cd0 x27: 0000000000000124 x26: ffffffc000119ef4 x25: 0000000000010000 x24: 0000000000000140 x23: ffffffc07e9ac3a8 x22: ffffffc9758c7a58 x21: ffffffc9758c7a68 x20: 0000000000000004 x19: ffffffc07e9ac380 x18: 0000000000000001 x17: 0000007fae1bbba8 x16: ffffffc0001b2d1c x15: ffffffffffffffff x14: 0ffffffffffffffe x13: 0000000000000010 x12: ffffff800837ffff x11: ffffff800837ffff x10: 0000000040000000 x9 : 0000000000000000 x8 : ffffff8000380000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000004 x2 : 000000000000ffc0 x1 : 0000000000000000 x0 : ffffff8000380000 Signed-off-by: Brian Starkey <brian.starkey@arm.com> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2016-03-22 15:36:02 -07:00
..
power	Merge branches 'pm-cpuidle', 'pm-sleep' and 'pm-domains'	2016-03-14 14:22:22 +01:00
regmap	Merge remote-tracking branch 'regmap/topic/update-bits' into regmap-next	2016-03-05 21:30:41 +09:00
attribute_container.c	attribute_container: fix missing blank lines after declarations	2015-03-25 14:35:09 +01:00
base.h	PM / sleep: prohibit devices probing during suspend/hibernation	2015-11-30 14:47:22 +01:00
bus.c	driver core: bus: use to_subsys_private and to_device_private_bus	2016-02-09 17:25:27 -08:00
cacheinfo.c	cpu/cacheinfo: Fix teardown path	2015-09-17 06:06:54 -07:00
class.c	class_find_device: fix reference to argument "match"	2015-09-29 15:23:14 +02:00
component.c	Merge 4.5-rc4 into driver-core-next	2016-02-14 14:29:55 -08:00
container.c
core.c	driver core: Do not overwrite secondary fwnode with NULL if it is set	2015-12-07 02:29:23 +01:00
cpu.c	drivers/base/cpu.c: use __cpu_*_mask directly	2016-01-20 17:09:18 -08:00
dd.c	ARM: 8524/1: driver cohandle -EPROBE_DEFER from bus_type.match()	2016-02-16 16:28:51 +00:00
devcoredump.c
devres.c	devm: make allocations numa aware by default	2015-10-09 17:00:33 -04:00
devtmpfs.c	wrappers for ->i_mutex access	2016-01-22 18:04:28 -05:00
dma-coherent.c	drivers: dma-coherent: use memset_io for DMA_MEMORY_IO mappings	2016-03-22 15:36:02 -07:00
dma-contiguous.c	driver core update for 4.4-rc1	2015-11-04 21:50:37 -08:00
dma-mapping.c	dma-mapping: remove <asm-generic/dma-coherent.h>	2016-01-20 17:09:18 -08:00
driver.c	driver core: add missing blank line after declaration	2015-03-25 14:36:30 +01:00
firmware_class.c	Char/Misc patches for 4.6-rc1	2016-03-17 13:47:50 -07:00
firmware.c
hypervisor.c
init.c	drivers: of/base: move of_init to driver_init	2015-05-26 19:55:56 -07:00
isa.c
Kconfig
Makefile	drivers/base: Add MSI domain support for non-PCI devices	2015-07-30 00:14:38 +02:00
map.c	drivers: base: map: Use kmalloc_array instead of kmalloc	2015-03-25 14:35:08 +01:00
memory.c	memory-hotplug: add automatic onlining policy for the newly added memory	2016-03-15 16:55:16 -07:00
module.c
node.c	Revert "mm: Check if section present during memory block (un)registering"	2015-10-13 10:57:25 -07:00
pinctrl.c	drivers/pinctrl: Add the concept of an "init" state	2015-10-27 11:24:23 +01:00
platform-msi.c	base: Export platform_msi_domain_[alloc,free]_irqs	2016-01-26 16:33:25 +01:00
platform.c	Revert "driver-core: platform: probe of-devices only using list of compatibles"	2016-02-15 12:52:59 -08:00
property.c	device property: convert to use match_string() helper	2016-03-17 15:09:34 -07:00
soc.c	base: soc: siplify ida usage	2015-10-04 19:42:22 +01:00
syscore.c
topology.c	sched/topology: Rename topology_thread_cpumask() to topology_sibling_cpumask()	2015-05-27 15:22:15 +02:00
transport_class.c