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Lennert Buytenhek 398e692fd5 [ARM] 4298/1: fix memory barriers for DMA coherent and SMP platforms 
This patch:
- Switches mb/rmb/wmb back to being full-blown DMBs on ARM SMP systems,
  since mb/rmb/wmb are required to order Normal memory accesses as well.
- Enables the use of DMB and ISB on XSC3 (which is an ARMv5TE ISA core
  but conforms to the ARMv6 memory ordering model and supports the
  various ARMv6 barriers.)
- Makes DMA coherent platforms (only ixp23xx at the moment) map
  mb/rmb/wmb to dmb(), as on DMA coherent platforms, DMA consistent
  mappings are done as Normal mappings, which are weakly ordered.

Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Acked-by: David Howells <dhowells@redhat.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-04-01 22:38:36 +01:00
..
arch-aaec2000
[ARM] 4185/2: entry: introduce get_irqnr_preamble and arch_ret_to_user
2007-02-17 15:04:29 +00:00
arch-at91
[PATCH] gpio_direction_output() needs an initial value
2007-03-16 19:25:04 -07:00
arch-cl7500
[ARM] 4185/2: entry: introduce get_irqnr_preamble and arch_ret_to_user
2007-02-17 15:04:29 +00:00
arch-clps711x
[ARM] 4185/2: entry: introduce get_irqnr_preamble and arch_ret_to_user
2007-02-17 15:04:29 +00:00
arch-ebsa110
[ARM] 4185/2: entry: introduce get_irqnr_preamble and arch_ret_to_user
2007-02-17 15:04:29 +00:00
arch-ebsa285
[ARM] 4185/2: entry: introduce get_irqnr_preamble and arch_ret_to_user
2007-02-17 15:04:29 +00:00
arch-ep93xx
[ARM] Merge remaining IOP code
2007-02-20 10:52:43 +00:00
arch-h720x
[ARM] 4185/2: entry: introduce get_irqnr_preamble and arch_ret_to_user
2007-02-17 15:04:29 +00:00
arch-imx
Merge ARM fixes
2007-02-20 19:13:30 +00:00
arch-integrator
[ARM] 4185/2: entry: introduce get_irqnr_preamble and arch_ret_to_user
2007-02-17 15:04:29 +00:00
arch-iop13xx
[ARM] 4187/1: iop: unify time implementation across iop32x, iop33x, and iop13xx
2007-02-17 15:05:40 +00:00
arch-iop32x
[ARM] 4187/1: iop: unify time implementation across iop32x, iop33x, and iop13xx
2007-02-17 15:05:40 +00:00
arch-iop33x
[ARM] 4187/1: iop: unify time implementation across iop32x, iop33x, and iop13xx
2007-02-17 15:05:40 +00:00
arch-ixp4xx
[ARM] 4296/1: ixp4xx: compile fix
2007-03-30 16:56:05 +01:00
arch-ixp23xx
Merge ARM fixes
2007-02-20 19:13:30 +00:00
arch-ixp2000
[ARM] 4185/2: entry: introduce get_irqnr_preamble and arch_ret_to_user
2007-02-17 15:04:29 +00:00
arch-l7200
[ARM] 4185/2: entry: introduce get_irqnr_preamble and arch_ret_to_user
2007-02-17 15:04:29 +00:00
arch-lh7a40x
[ARM] 4248/1: lh7a40x: fix missing definitions for get_irqnr_preamble
2007-03-08 13:33:57 +00:00
arch-netx
[ARM] 4185/2: entry: introduce get_irqnr_preamble and arch_ret_to_user
2007-02-17 15:04:29 +00:00
arch-ns9xxx
[ARM] 4235/1: ns9xxx: declare the clock functions as "const"
2007-03-20 17:22:23 +00:00
arch-omap
[PATCH] gpio_direction_output() needs an initial value
2007-03-16 19:25:04 -07:00
arch-pnx4008
[ARM] 4185/2: entry: introduce get_irqnr_preamble and arch_ret_to_user
2007-02-17 15:04:29 +00:00
arch-pxa
Merge master.kernel.org:/home/rmk/linux-2.6-arm
2007-03-24 17:01:45 -07:00
arch-realview
[ARM] Merge remaining IOP code
2007-02-20 10:52:43 +00:00
arch-rpc
[ARM] 4185/2: entry: introduce get_irqnr_preamble and arch_ret_to_user
2007-02-17 15:04:29 +00:00
arch-s3c2410
[PATCH] gpio_direction_output() needs an initial value
2007-03-16 19:25:04 -07:00
arch-sa1100
[PATCH] gpio_direction_output() needs an initial value
2007-03-16 19:25:04 -07:00
arch-shark
[ARM] 4185/2: entry: introduce get_irqnr_preamble and arch_ret_to_user
2007-02-17 15:04:29 +00:00
arch-versatile
[ARM] 4185/2: entry: introduce get_irqnr_preamble and arch_ret_to_user
2007-02-17 15:04:29 +00:00
hardware
[PATCH] gpio_keys driver shouldn't be ARM-specific
2007-03-05 07:57:51 -08:00
mach
[ARM] Remove compatibility layer for ARM irqs
2006-11-30 12:24:47 +00:00
plat-s3c24xx
[ARM] 4220/1: S3C24XX: DMA system initialised from sysdev
2007-02-17 15:00:34 +00:00
.gitignore
[ARM] 4216/1: add .gitignore entries for ARM specific files
2007-02-17 11:26:41 +00:00
a.out.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
assembler.h
[ARM] Remove MODE_(SVC|IRQ|FIQ|USR) and DEFAULT_FIQ
2006-06-25 12:01:48 +01:00
atomic.h
[ARM] 4264/1: ldrex/strex syntax errors with recent compilers
2007-03-15 20:39:16 +00:00
auxvec.h
[PATCH] auxiliary vector cleanups
2005-09-07 16:57:21 -07:00
bitops.h
[ARM] 3852/1: convert atomic bitops and __xchg over to raw_local_irq_{save,restore}
2006-09-25 10:34:03 +01:00
bug.h
[ARM] 3983/2: remove unused argument to __bug()
2006-12-07 22:38:09 +00:00
bugs.h
[ARM] nommu: adjust headers for !MMU ARM systems
2006-06-28 17:59:45 +01:00
byteorder.h
[ARM] Fix byte order macros for Thumb
2006-06-19 15:35:36 +01:00
cache.h
[PATCH] Kill L1_CACHE_SHIFT_MAX
2006-01-08 20:13:39 -08:00
cacheflush.h
[ARM] Convert DMA cache handling to take const void * args
2007-02-08 14:49:44 +00:00
checksum.h
[ARM] Improve csum_fold, cleanup csum_tcpudp_magic()
2007-02-06 16:46:46 +00:00
cnt32_to_63.h
[ARM] 3978/1: macro to provide a 63-bit value from a 32-bit hardware counter
2006-12-07 16:06:45 +00:00
cpu-multi32.h
[ARM] Unuse another Linux PTE bit
2006-12-13 14:34:43 +00:00
cpu-single.h
[ARM] Unuse another Linux PTE bit
2006-12-13 14:34:43 +00:00
cpu.h
Don't include linux/config.h from anywhere else in include/
2006-04-26 12:56:16 +01:00
cputime.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
current.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
delay.h
[ARM] 3346/1: Fix udelay() for HZ values different from 100
2006-03-21 22:06:07 +00:00
device.h
[ARM] Add a reference from struct device to the dma bounce info
2007-02-12 10:28:24 +00:00
div64.h
[ARM] 3611/4: optimize do_div() when divisor is constant
2006-12-07 16:06:09 +00:00
dma-mapping.h
Merge AT91, EP93xx, General devel, PXA, S3C, V6+ and Xscale trees
2007-02-17 20:09:53 +00:00
dma.h
Don't include linux/config.h from anywhere else in include/
2006-04-26 12:56:16 +01:00
domain.h
[ARM] 4127/1: Flush the prefetch buffer after changing the DACR
2007-02-08 14:49:18 +00:00
dyntick.h
[ARM] 3692/1: ARM: coswitch irq handling to the generic implementation
2006-07-01 22:30:09 +01:00
ecard.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
elf.h
[ARM] 4054/1: ep93xx: add HWCAP_CRUNCH
2006-12-18 00:14:54 +00:00
emergency-restart.h
[PATCH] Add emergency_restart()
2005-07-26 14:35:41 -07:00
errno.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
fcntl.h
[PATCH] Clean up struct flock64 definitions
2005-09-07 16:57:38 -07:00
fiq.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
flat.h
[ARM] 4074/1: Flat loader stack alignment
2006-12-30 17:05:08 +00:00
floppy.h
[PATCH] ARM: fixup irqflags breakage after ARM genirq merge
2006-07-02 17:29:22 -07:00
fpstate.h
[ARM] 4111/1: Allow VFP to work with thread migration on SMP
2007-01-25 16:35:29 +00:00
futex.h
[PATCH] consolidate asm/futex.h
2006-01-08 20:13:39 -08:00
glue.h
Don't include linux/config.h from anywhere else in include/
2006-04-26 12:56:16 +01:00
gpio.h
[PATCH] GPIO core
2007-02-12 09:48:34 -08:00
hardirq.h
Don't include linux/config.h from anywhere else in include/
2006-04-26 12:56:16 +01:00
hardware.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
hw_irq.h
[PATCH] misc arm pt_regs fixes
2006-10-08 12:32:36 -07:00
ide.h
[PATCH] ARM: 2758/1: Fix comment in file header to read "ARM" instead i386
2005-06-27 15:58:39 +01:00
io.h
[PATCH] kill eth_io_copy_and_sum()
2007-02-09 09:14:07 -08:00
ioctl.h
[PATCH] Generic ioctl.h
2006-01-10 08:01:34 -08:00
ioctls.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
ipc.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
ipcbuf.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
irq_regs.h
Initial blind fixup for arm for irq changes
2006-10-06 10:59:54 -07:00
irq.h
[ARM] 4073/1: Prevent s3c24xx drivers from including asm/arch/hardware.h and asm/arch/irqs.h
2006-12-30 17:05:07 +00:00
irqflags.h
[ARM] Add ARM irqtrace support
2006-09-20 14:58:35 +01:00
Kbuild
Add empty Kbuild files for 'make headers_install' in remaining arches.
2006-06-18 12:58:53 +01:00
kexec.h
[ARM] 4137/1: Add kexec support
2007-02-16 14:37:06 +00:00
kmap_types.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
leds.h
Don't include linux/config.h from anywhere else in include/
2006-04-26 12:56:16 +01:00
limits.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
linkage.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
local.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
locks.h
[ARM] 3019/1: fix wrong comments
2005-10-18 07:51:34 +01:00
mc146818rtc.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
memory.h
[ARM] Clean up discontigmem support
2006-11-30 22:52:28 +00:00
mman.h
[PATCH] add asm-generic/mman.h
2006-02-15 15:32:22 -08:00
mmu_context.h
[ARM] Add section support to ioremap
2006-06-29 22:14:30 +01:00
mmu.h
[ARM] Add section support to ioremap
2006-06-29 22:14:30 +01:00
mmzone.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
module.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
msgbuf.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
mtd-xip.h
[MTD] XIP cleanup
2005-07-07 16:50:16 +02:00
mutex.h
[ARM] 3311/1: clean up include/asm-arm/mutex.h
2006-02-08 21:19:38 +00:00
namei.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
nwflash.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
page-nommu.h
[ARM] nommu: adjust headers for !MMU ARM systems
2006-06-28 17:59:45 +01:00
page.h
Merge master.kernel.org:/pub/scm/linux/kernel/git/tmlind/linux-omap-upstream into devel
2006-09-27 19:57:54 +01:00
param.h
[ARM] Move HZ definition into Kconfig
2006-03-21 22:05:45 +00:00
parport.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
pci.h
Don't include linux/config.h from anywhere else in include/
2006-04-26 12:56:16 +01:00
percpu.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
pgalloc.h
[ARM] nommu: adjust headers for !MMU ARM systems
2006-06-28 17:59:45 +01:00
pgtable-hwdef.h
[ARM] Set bit 4 on section mappings correctly depending on CPU
2006-06-29 18:24:21 +01:00
pgtable-nommu.h
[ARM] Fix nommu build
2006-11-30 13:53:54 +00:00
pgtable.h
[ARM] 4158/1: Fix user page protection macros
2007-02-11 17:06:17 +00:00
poll.h
[PATCH] POLLRDHUP/EPOLLRDHUP handling for half-closed devices notifications
2006-03-25 08:22:56 -08:00
posix_types.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
proc-fns.h
[ARM] nommu: add ARM946E-S core support
2006-09-27 17:39:19 +01:00
processor.h
[ARM] 4016/1: prefetch macro is wrong wrt gcc's "delete-null-pointer-checks"
2006-12-13 18:30:20 +00:00
procinfo.h
[ARM] Move HWCAP_* definitions to asm/elf.h
2006-11-30 12:24:46 +00:00
ptrace.h
[ARM] 3665/1: crunch: add ptrace support
2006-06-28 17:55:00 +01:00
resource.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
rtc.h
[PATCH] RTC subsystem: ARM cleanup
2006-03-27 08:44:50 -08:00
scatterlist.h
[ARM] Remove '__address' from scatterlist and convert to DMA API
2006-01-04 15:08:30 +00:00
sections.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
segment.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
semaphore-helper.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
semaphore.h
[ARM] sema_count() removal
2005-12-01 20:58:01 +00:00
sembuf.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
serial.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
setup.h
[PATCH] cleanup asm/setup.h userspace visibility
2006-12-07 08:39:46 -08:00
shmbuf.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
shmparam.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
sigcontext.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
siginfo.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
signal.h
[PATCH] ARM: fixup irqflags breakage after ARM genirq merge
2006-07-02 17:29:22 -07:00
sizes.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
smp.h
Don't include linux/config.h from anywhere else in include/
2006-04-26 12:56:16 +01:00
socket.h
[AF_UNIX]: Datagram getpeersec
2006-06-29 16:58:06 -07:00
sockios.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
spinlock_types.h
[PATCH] spinlock consolidation
2005-09-10 10:06:21 -07:00
spinlock.h
[PATCH] Remove the last reference to rwlock_is_locked() macro.
2007-02-11 10:51:34 -08:00
stat.h
[ARM] 3106/2: ARM EABI: some syscall adjustments
2006-01-14 16:32:12 +00:00
statfs.h
[ARM] 3108/2: old ABI compat: statfs64 and fstatfs64
2006-01-14 16:35:03 +00:00
string.h
[PATCH] ARM: 2653/1: Fix memset and memzero macro double-reference of parameters
2005-04-25 23:40:05 +01:00
suspend.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
system.h
[ARM] 4298/1: fix memory barriers for DMA coherent and SMP platforms
2007-04-01 22:38:36 +01:00
termbits.h
[PATCH] tty: preparatory structures for termios revamp
2006-12-08 08:28:56 -08:00
termios.h
[PATCH] consolidate line discipline number definitions
2007-02-11 10:51:26 -08:00
therm.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
thread_info.h
[PATCH] PM: Fix SMP races in the freezer
2006-12-13 09:05:49 -08:00
thread_notify.h
[ARM] Add thread_notify infrastructure
2006-06-22 10:24:18 +01:00
timex.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
tlb.h
[ARM] noMMU: removes TLB codes in nommu mode
2006-03-21 22:03:20 +00:00
tlbflush.h
[ARM] 4129/1: Add barriers after the TLB operations
2007-02-08 14:49:27 +00:00
topology.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
traps.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
types.h
[PATCH] sab: consolidate kmem_bufctl_t
2005-09-05 00:05:48 -07:00
uaccess.h
Storage class should be before const qualifier
2007-02-17 20:11:19 +01:00
ucontext.h
[ARM] 3664/1: crunch: add signal frame save/restore
2006-06-28 17:54:59 +01:00
unaligned.h
[ARM] 3849/1: fix get_unaligned() for gcc >= 4.1
2006-09-25 10:34:00 +01:00
unistd.h
[ARM] Fix __NR_kexec_load
2007-04-01 22:35:01 +01:00
user.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
vfp.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
vfpmacros.h
[ARM] 3472/1: Use the D variants of FLDMIA/FSTMIA on ARMv6
2006-04-10 21:32:42 +01:00
vga.h
[PATCH] vgacon: make VGA_MAP_MEM take size, remove extra use
2006-06-22 15:05:58 -07:00
xor.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00