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Will Deacon f630c1bdfb ARM: 7091/1: errata: D-cache line maintenance operation by MVA may not succeed 
This patch implements a workaround for erratum 764369 affecting
Cortex-A9 MPCore with two or more processors (all current revisions).
Under certain timing circumstances, a data cache line maintenance
operation by MVA targeting an Inner Shareable memory region may fail to
proceed up to either the Point of Coherency or to the Point of
Unification of the system. This workaround adds a DSB instruction before
the relevant cache maintenance functions and sets a specific bit in the
diagnostic control register of the SCU.

Cc: <stable@kernel.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-09-17 12:47:17 +01:00
..
.gitignore [ARM] 5194/1: update .gitignore 2008-08-12 19:54:09 +01:00
armksyms.c arm: remove stale export of 'sha_transform' 2011-08-07 15:49:11 -07:00
arthur.c [ARM] arm/kernel/arthur.c: add MODULE_LICENSE 2008-05-17 22:55:16 +01:00
asm-offsets.c ARM: vfp: fix a hole in VFP thread migration 2011-07-09 17:22:12 +01:00
atags.c clean up atags exporting code 2008-05-30 10:33:49 +02:00
atags.h [ARM] 4736/1: Export atags to userspace and allow kexec to use customised atags 2008-02-04 13:21:03 +00:00
bios32.c PCI: Make the struct pci_dev * argument of pci_fixup_irqs const. 2011-07-22 08:26:06 -07:00
calls.S All Arch: remove linkage for sys_nfsservctl system call 2011-08-26 15:09:58 -07:00
compat.c ARM: deprecate support for old way to pass kernel parameters 2010-07-07 16:38:36 +02:00
compat.h ARM: deprecate support for old way to pass kernel parameters 2010-07-07 16:38:36 +02:00
crash_dump.c crash_dump: export is_kdump_kernel to modules, consolidate elfcorehdr_addr, setup_elfcorehdr and saved_max_pfn 2011-03-23 19:47:19 -07:00
crunch-bits.S [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
crunch.c ARM: Convert VFP/Crunch/XscaleCP thread_release() to exit_thread() 2009-12-18 14:53:41 +00:00
debug.S ARM: 6826/1: Merge v6 and v7 DEBUG_LL DCC support 2011-03-28 19:01:43 +01:00
devtree.c irq: add irq_domain translation infrastructure 2011-07-28 01:32:04 -06:00
dma-isa.c ARM: dma-isa: request cascade channel after registering it 2009-12-24 18:34:08 +00:00
dma.c ARM: dma: add /proc/dma support to arch/arm/kernel/dma.c 2010-04-14 13:13:30 +01:00
early_printk.c ARM: Add an earlyprintk debug console 2009-12-09 10:02:18 +00:00
ecard.c arm: Fold irq_set_chip/irq_set_handler 2011-03-29 14:47:58 +02:00
ecard.h [ARM] rpc: ecard: remove deprecated ecard_address() and relatives 2008-07-03 14:25:58 +01:00
elf.c ARM: 6878/1: fix personality flag propagation across an exec 2011-04-14 09:15:24 +01:00
entry-armv.S Merge branch 'devel-stable' into for-next 2011-07-22 23:09:07 +01:00
entry-common.S ARM: 6952/1: fix lockdep warning of "unannotated irqs-off" 2011-06-06 10:56:22 +01:00
entry-header.S Merge branch 'devel-stable' into for-next 2011-07-22 23:09:07 +01:00
etm.c ARM: 6838/1: etm: fix section mismatch warning 2011-03-28 19:01:17 +01:00
fiq.c ARM: 6938/1: fiq: Refactor {get,set}_fiq_regs() for Thumb-2 2011-05-26 10:31:06 +01:00
fiqasm.S ARM: 6938/1: fiq: Refactor {get,set}_fiq_regs() for Thumb-2 2011-05-26 10:31:06 +01:00
ftrace.c ARM: ftrace: graph tracer + dynamic ftrace 2010-11-19 21:43:27 +05:30
head-common.S arm/dt: Make __vet_atags also accept a dtb image 2011-05-11 15:12:32 +02:00
head-nommu.S ARM: 6999/1: head, zImage: Always Enter the kernel in ARM state 2011-07-19 12:00:53 +01:00
head.S ARM: 6999/1: head, zImage: Always Enter the kernel in ARM state 2011-07-19 12:00:53 +01:00
hw_breakpoint.c ARM: entry: avoid enabling interrupts in prefetch/data abort handlers 2011-07-02 10:56:00 +01:00
init_task.c Use new __init_task_data macro in arch init_task.c files. 2009-09-21 06:27:08 +02:00
io.c [ARM] Convert asm/io.h to linux/io.h 2008-09-06 12:10:45 +01:00
irq.c Merge branch 'next/devel' of ssh://master.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc 2011-07-26 17:41:04 -07:00
isa.c sysctl: Drop & in front of every proc_handler. 2009-11-18 08:37:40 -08:00
iwmmxt.S ARM: pxa: fix logic error in PJ4 iWMMXt handling 2011-08-11 10:10:26 +08:00
kgdb.c kgdb,arm: fix register dump 2010-10-29 13:14:40 -05:00
kprobes-arm.c ARM: kprobes: Remove now unused code 2011-07-13 17:32:51 +00:00
kprobes-common.c ARM: kprobes: Add alu_write_pc() 2011-07-13 17:32:48 +00:00
kprobes-thumb.c ARM: kprobes: Decode 32-bit Thumb multiply and absolute difference instructions 2011-07-13 17:32:48 +00:00
kprobes.c ARM: kprobes: Extend arch_specific_insn to add pointer to emulated instruction 2011-07-13 17:32:42 +00:00
kprobes.h ARM: kprobes: Add alu_write_pc() 2011-07-13 17:32:48 +00:00
leds.c ARM: Use struct syscore_ops instead of sysdevs for PM in common code 2011-04-24 19:16:08 +02:00
machine_kexec.c [ARM] add machine-specific hook to machine_kexec 2011-03-03 16:26:55 -05:00
Makefile ARM: kprobes: Add Thumb instruction decoding stubs 2011-07-13 17:32:41 +00:00
module.c ARM: Fix build error for SMP=n builds 2011-08-04 08:24:29 +01:00
perf_event.c Merge branch 'devel-stable' into for-next 2011-07-22 23:09:07 +01:00
perf_event_v6.c perf, arch: Add generic NODE cache events 2011-07-01 11:06:38 +02:00
perf_event_v7.c Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm 2011-07-24 10:20:54 -07:00
perf_event_xscale.c perf, arch: Add generic NODE cache events 2011-07-01 11:06:38 +02:00
pj4-cp0.c ARM: pxa: add iwmmx support for PJ4 2010-12-20 23:07:36 +08:00
pmu.c ARM: perf: make name of arm_pmu_type consistent 2011-08-12 15:40:21 +01:00
process.c cpuidle: Consistent spelling of cpuidle_idle_call() 2011-08-04 16:35:34 -10:00
ptrace.c Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm 2011-07-24 10:20:54 -07:00
relocate_kernel.S ARM: 7065/1: kexec: ensure new kernel is entered in ARM state 2011-08-28 10:39:41 +01:00
return_address.c ARM: fix some sparse errors in generic ARM code 2011-02-23 17:24:12 +00:00
sched_clock.c ARM: sched_clock: make minsec argument to clocks_calc_mult_shift() zero 2011-01-11 16:44:02 +00:00
setup.c ARM: cache: detect VIPT aliasing I-cache on ARMv6 2011-08-12 15:41:15 +01:00
signal.c ARM: 6892/1: handle ptrace requests to change PC during interrupted system calls 2011-05-12 10:52:00 +01:00
signal.h ARM: Fix signal restart issues with NX and OABI compat 2009-10-25 15:39:37 +00:00
sleep.S ARM: pm: allow suspend finisher to return error codes 2011-07-02 09:54:01 +01:00
smp.c atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
smp_scu.c ARM: 7091/1: errata: D-cache line maintenance operation by MVA may not succeed 2011-09-17 12:47:17 +01:00
smp_tlb.c ARM: SMP: split out software TLB maintainence broadcasting 2010-12-20 15:09:17 +00:00
smp_twd.c ARM: twd: register clockevents device before enabling PPI 2011-08-12 15:41:08 +01:00
stacktrace.c ARM: fix /proc/$PID/stack on SMP 2011-01-15 09:27:04 +00:00
swp_emulate.c perf: Remove the nmi parameter from the swevent and overflow interface 2011-07-01 11:06:35 +02:00
sys_arm.c Make do_execve() take a const filename pointer 2010-08-17 18:07:43 -07:00
sys_oabi-compat.c ARM: 6891/1: prevent heap corruption in OABI semtimedop 2011-04-29 15:53:14 +01:00
tcm.c ARM: 6985/1: export functions to determine the presence of I/DTCM 2011-07-06 20:49:45 +01:00
tcm.h ARM: 5580/2: ARM TCM (Tightly-Coupled Memory) support v3 2009-09-15 22:11:05 +01:00
thumbee.c Fix the teehbr_read function prototype 2008-11-10 14:14:11 +00:00
time.c ARM: Use struct syscore_ops instead of sysdevs for PM in common code 2011-04-24 19:16:08 +02:00
traps.c atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
unwind.c ARM: 6468/1: backtrace: fix calculation of thread stack base 2010-11-07 16:12:37 +00:00
vmlinux.lds.S ARM: vmlinux.lds: use _text and _stext the same way as x86 2011-07-07 23:36:34 +01:00
xscale-cp0.c ARM: Convert VFP/Crunch/XscaleCP thread_release() to exit_thread() 2009-12-18 14:53:41 +00:00