sugar/linux
1
0
Fork 0
Code Activity
Files
a60514bae72ee41b506b8702dfdd6eeeffe58556
linux/arch/powerpc/include/asm
History
Michael S. Tsirkin 003472a93a powerpc: define __smp_xxx 
This defines __smp_xxx barriers for powerpc
for use by virtualization.

smp_xxx barriers are removed as they are
defined correctly by asm-generic/barriers.h

This reduces the amount of arch-specific boiler-plate code.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Boqun Feng <boqun.feng@gmail.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
2016-01-12 20:46:53 +02:00
..
8xx_immap.h
…
agp.h
…
archrandom.h
powerpc: Use hardware RNG for arch_get_random_seed_* not arch_get_random_*
2015-07-23 19:52:03 +10:00
asm-compat.h
ppc: bpf: add required compatibility macros for jit
2015-02-20 15:19:43 -05:00
asm-offsets.h
…
async_tx.h
…
atomic.h
atomic: Provide atomic_{or,xor,and}
2015-07-27 14:06:24 +02:00
backlight.h
…
barrier.h
powerpc: define __smp_xxx
2016-01-12 20:46:53 +02:00
bitops.h
powerpc: Fix comment typos in arch/powerpc/include/asm/bitops.h
2014-11-12 16:31:46 +11:00
bootx.h
…
btext.h
powerpc/pmac: Early debug output on screen on 64-bit macs
2013-08-14 14:57:40 +10:00
bug.h
powerpc: Remove stale function prototypes
2014-09-25 23:14:43 +10:00
bugs.h
…
cache.h
powerpc: Revert "Use the POWER8 Micro Partition Prefetch Engine in KVM HV on POWER8"
2015-10-21 20:50:30 +11:00
cacheflush.h
powerpc/mm: Don't call __flush_dcache_icache_phys() with PA>VA
2015-08-07 22:59:20 -05:00
cell-pmu.h
…
cell-regs.h
…
checksum.h
powerpc: add support for csum_add()
2015-08-07 22:59:19 -05:00
cmpxchg.h
arch: Remove __ARCH_HAVE_CMPXCHG
2015-05-13 10:55:42 +02:00
code-patching.h
powerpc: Add ppc_global_function_entry()
2014-06-24 14:05:32 +10:00
compat.h
powerpc/kernel: Add SIG_SYS support for compat tasks
2015-07-29 11:56:13 +10:00
context_tracking.h
powerpc: No need to use dot symbols when branching to a function
2014-04-23 10:05:16 +10:00
copro.h
powerpc/cell: Make spu_flush_all_slbs() generic
2014-10-08 20:15:37 +11:00
cpm1.h
…
cpm2.h
powerpc/cpm: Remove duplicate FCC_GFMR_TTX define
2014-06-11 17:03:28 +10:00
cpm.h
…
cpuidle.h
powernv/cpuidle: Redesign idle states management
2014-12-15 10:46:40 +11:00
cputable.h
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/scottwood/linux into next
2015-06-19 17:23:48 +10:00
cputhreads.h
powerpc: Fix cpu_online_cores_map to return only online threads mask
2015-05-22 15:12:30 +10:00
cputime.h
Merge branch 'for-3.18-consistent-ops' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
2014-10-15 07:48:18 +02:00
current.h
…
dbdma.h
powerpc: Move Power Macintosh drivers to generic byteswappers
2015-03-23 14:29:40 +11:00
dbell.h
…
dcr-generic.h
…
dcr-mmio.h
of: Stop naming platform_device using dcr address
2014-05-23 08:28:02 +09:00
dcr-native.h
powerpc: Use bool function return values of true/false not 1/0
2015-03-31 14:19:47 +11:00
dcr-regs.h
…
dcr.h
…
debug.h
powerpc: Fix smp_processor_id() in preemptible splat in set_breakpoint
2014-05-20 10:54:06 +10:00
delay.h
…
device.h
powerpc/iommu: Remove dma_data union
2015-07-13 10:10:54 +10:00
disassemble.h
KVM: PPC: e500: Emulate TMCFG0 TMRN register
2015-10-15 15:58:16 +11:00
dma-mapping.h
dma-mapping: consolidate dma_set_mask
2015-09-10 13:29:01 -07:00
dma.h
…
edac.h
EDAC: Cleanup atomic_scrub mess
2015-05-28 15:31:53 +02:00
eeh_event.h
powerpc/powernv: Fix killed EEH event
2014-06-11 17:04:33 +10:00
eeh.h
powerpc/eeh: Introduce eeh_pe_inject_err()
2015-05-12 20:33:35 +10:00
ehv_pic.h
…
elf.h
mm: fold arch_randomize_brk into ARCH_HAS_ELF_RANDOMIZE
2015-04-14 16:49:05 -07:00
emergency-restart.h
…
emulated_ops.h
powerpc: Add lq/stq emulation
2014-04-09 12:53:28 +10:00
epapr_hcalls.h
kvm/powerpc: move kvm_hypercall0() and friends to epapr_hypercall0()
2014-01-09 10:14:57 +01:00
exception-64e.h
powerpc/e6500: hw tablewalk: make sure we invalidate and write to the same tlb entry
2015-10-27 18:14:40 -05:00
exception-64s.h
powerpc/book3s: Add basic infrastructure to handle HMI in Linux.
2014-08-05 16:33:48 +10:00
exec.h
…
fadump.h
powerpc/fadump: Fix endianess issues in firmware assisted dump handling
2014-10-30 16:52:46 +11:00
fb.h
…
feature-fixups.h
…
firmware.h
powerpc: Remove the celleb support
2015-04-07 17:15:13 +10:00
fixmap.h
powerpc: use generic fixmap.h
2014-01-23 16:36:54 -08:00
floppy.h
…
fs_pd.h
powerpc/8xx: Remove empty asm/mpc8xx.h
2014-06-25 18:49:40 -05:00
fsl_85xx_cache_sram.h
…
fsl_gtm.h
…
fsl_hcalls.h
…
fsl_lbc.h
uio: uio_fsl_elbc_gpcm: new driver
2015-01-12 05:04:13 -08:00
fsl_pamu_stash.h
iommu/fsl: Various cleanups
2015-02-03 18:47:18 +01:00
ftrace.h
ftrace: Format MCOUNT_ADDR address as type unsigned long
2015-07-20 22:30:53 -04:00
futex.h
…
gpio.h
…
grackle.h
…
hardirq.h
powerpc: Replace __get_cpu_var uses
2014-11-03 12:12:32 +11:00
heathrow.h
…
highmem.h
kmap_atomic_to_page() has no users, remove it
2015-11-09 15:11:24 -08:00
hugetlb.h
mm/hugetlb: remove arch_prepare/release_hugepage from arch headers
2015-06-25 17:00:35 -07:00
hvcall.h
KVM: PPC: Book3S HV: Add H_SET_MODE hcall handling
2014-07-28 15:22:19 +02:00
hvconsole.h
…
hvcserver.h
…
hvsi.h
powerpc/hvsi: Fix endian issues in HVSI driver
2013-10-11 16:48:53 +11:00
hw_breakpoint.h
powerpc: Fix smp_processor_id() in preemptible splat in set_breakpoint
2014-05-20 10:54:06 +10:00
hw_irq.h
powerpc/book3s: Add basic infrastructure to handle HMI in Linux.
2014-08-05 16:33:48 +10:00
hydra.h
powerpc: Remove stale function prototypes
2014-09-25 23:14:43 +10:00
i8259.h
…
ibmebus.h
ibmebus: convert of_platform_driver to platform_driver
2013-06-12 12:37:26 +01:00
icswx.h
powerpc: Add ICSWX instruction
2015-05-11 15:06:39 +08:00
ide.h
…
immap_cpm2.h
…
immap_qe.h
…
io_event_irq.h
…
io-defs.h
…
io-workarounds.h
…
io.h
arch/*/io.h: Add ioremap_uc() to all architectures
2015-07-29 10:02:36 +02:00
iommu.h
powerpc/iommu: Remove dma_data union
2015-07-13 10:10:54 +10:00
ipic.h
…
irq_work.h
powerpc: Re-enable dynticks
2015-02-23 14:52:04 +11:00
irq.h
powerpc: Remove stale function prototypes
2014-09-25 23:14:43 +10:00
irqflags.h
powerpc: Update comments in irqflags.h
2014-07-28 14:11:23 +10:00
jump_label.h
locking/static_keys: Add a new static_key interface
2015-08-03 11:34:15 +02:00
Kbuild
word-at-a-time.h: fix some Kbuild files
2015-10-06 14:52:48 -04:00
kdebug.h
…
kdump.h
…
kexec.h
powerpc/kdump: Ignore failure in enabling big endian exception during crash
2014-12-29 15:44:53 +11:00
keylargo.h
…
kgdb.h
…
kmap_types.h
…
kprobes.h
powerpc/kprobes: Fix kallsyms lookup across powerpc ABIv1 and ABIv2
2015-01-23 14:02:51 +11:00
kvm_asm.h
KVM: PPC: Remove shared defines for SPE and AltiVec interrupts
2014-09-22 10:11:34 +02:00
kvm_book3s_32.h
KVM: PPC: Book3S PR: Allocate kvm_vcpu structs from kvm_vcpu_cache
2013-10-17 14:45:05 +02:00
kvm_book3s_64.h
KVM: implement multiple address spaces
2015-06-05 17:26:35 +02:00
kvm_book3s_asm.h
KVM: PPC: Book3S: correct width in XER handling
2015-08-22 11:16:19 +02:00
kvm_book3s.h
KVM: PPC: Book3S: correct width in XER handling
2015-08-22 11:16:19 +02:00
kvm_booke_hv_asm.h
powerpc/booke64: Use SPRG_TLB_EXFRAME on bolted handlers
2014-03-19 19:57:15 -05:00
kvm_booke.h
KVM: PPC: Book3S: correct width in XER handling
2015-08-22 11:16:19 +02:00
kvm_fpu.h
…
kvm_host.h
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2015-11-05 16:26:26 -08:00
kvm_para.h
kvm/powerpc: move kvm_hypercall0() and friends to epapr_hypercall0()
2014-01-09 10:14:57 +01:00
kvm_ppc.h
KVM: add "new" argument to kvm_arch_commit_memory_region
2015-05-28 10:42:58 +02:00
libata-portmap.h
…
linkage.h
powerpc: Remove function descriptors and dot symbols on new ABI
2014-04-23 10:05:20 +10:00
local.h
…
lppaca.h
powerpc: Make slb_shadow a local
2013-12-09 11:40:25 +11:00
lv1call.h
…
machdep.h
powerpc: Fix checkstop in native_hpte_clear() with lockdep
2015-10-09 08:01:38 +11:00
macio.h
…
mc146818rtc.h
…
mce.h
powerpc/book3s: Recover from MC in sapphire on SCOM read via MMIO.
2014-03-07 15:52:10 +11:00
mediabay.h
…
mm-arch-hooks.h
powerpc/mm: tracking vDSO remap
2015-06-24 17:49:41 -07:00
mman.h
…
mmu_context.h
powerpc/mm: tracking vDSO remap
2015-06-24 17:49:41 -07:00
mmu-8xx.h
powerpc/8xx: Implementation of PAGE_EXEC
2015-06-02 21:37:28 -05:00
mmu-40x.h
…
mmu-44x.h
…
mmu-book3e.h
KVM: PPC: Book3e: Add TLBSEL/TSIZE defines for MAS0/1
2014-07-28 15:23:13 +02:00
mmu-hash32.h
…
mmu-hash64.h
powerpc/mm: Differentiate between hugetlb and THP during page walk
2015-10-12 15:30:09 +11:00
mmu.h
powerpc: Remove MMU_FTR_SLB
2014-07-28 14:10:23 +10:00
mmzone.h
…
module.h
powerpc/modules: Create module_trampoline_target()
2014-04-23 10:05:34 +10:00
mpc5xxx.h
…
mpc6xx.h
…
mpc52xx_psc.h
powerpc: mpc512x: drop bogus and unused psc register bit definitions
2015-10-22 16:06:08 +02:00
mpc52xx.h
…
mpc85xx.h
powerpc/fsl-booke: Add T4080 SVR value
2015-03-31 22:23:17 -05:00
mpc5121.h
powerpc/512x: add LocalPlus Bus FIFO device driver
2015-10-22 15:19:40 +02:00
mpc8260.h
…
mpic_msgr.h
…
mpic_timer.h
powerpc/mpic: add global timer support
2013-07-01 18:38:41 -05:00
mpic.h
powerpc/mpic: Add get_version API both for internal and external use
2015-03-23 19:51:17 -05:00
msi_bitmap.h
powerpc/msi: Free the bitmap if it was slab allocated
2015-10-05 21:32:50 +11:00
mutex.h
arch: Make __mutex_fastpath_lock_retval return whether fastpath succeeded or not
2013-06-26 12:10:55 +02:00
nmi.h
powerpc: Add ppc64 hard lockup detector support
2015-04-11 20:49:27 +10:00
nvram.h
powerpc/nvram: Move generic code for nvram and pstore
2015-03-23 14:05:49 +11:00
ohare.h
…
opal-api.h
Merge tag 'powerpc-4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2015-09-03 16:41:38 -07:00
opal.h
powerpc/powernv: Add OPAL interfaces for accessing and modifying system LED states
2015-08-20 18:19:07 +10:00
oprofile_impl.h
powerpc: Remove oprofile RS64 support
2014-07-28 14:10:25 +10:00
paca.h
powerpc: book3e_64: fix the align size for paca_struct
2015-03-31 22:23:17 -05:00
page_32.h
…
page_64.h
powerpc: Speed up clear_page by unrolling it
2014-10-02 16:04:21 +10:00
page.h
powerpc/booke: Only use VIRT_PHYS_OFFSET on booke32
2015-10-27 18:13:29 -05:00
parport.h
…
pasemi_dma.h
…
pci-bridge.h
powerpc/powernv: move dma_get_required_mask from pnv_phb to pci_controller_ops
2015-08-18 19:32:11 +10:00
pci.h
Merge branch 'for-4.2/sg' of git://git.kernel.dk/linux-block
2015-06-25 15:22:36 -07:00
percpu.h
…
perf_event_fsl_emb.h
powerpc/perf: increase the perf HW events to 6
2013-08-07 18:38:03 -05:00
perf_event_server.h
powerpc/perf: Pass the struct perf_events down to compute_mmcr()
2014-07-28 14:30:47 +10:00
perf_event.h
powerpc: Rename __get_SP() to current_stack_pointer()
2014-10-15 11:23:20 +11:00
pgalloc-32.h
powerpc: Fix PTE page address mismatch in pgtable ctor/dtor
2013-12-10 11:25:05 +11:00
pgalloc-64.h
powerpc: Fix PTE page address mismatch in pgtable ctor/dtor
2013-12-10 11:25:05 +11:00
pgalloc.h
mmu_gather: move minimal range calculations into generic code
2014-11-17 10:12:42 +00:00
pgtable-ppc32.h
powerpc/8xx: Handle PAGE_USER via APG bits
2015-06-02 21:37:27 -05:00
pgtable-ppc64-4k.h
powerpc/mm: Add missing pmd accessors
2014-11-14 17:24:21 +11:00
pgtable-ppc64-64k.h
powerpc/mm: Add missing pmd accessors
2014-11-14 17:24:21 +11:00
pgtable-ppc64.h
powerpc/mm: Differentiate between hugetlb and THP during page walk
2015-10-12 15:30:09 +11:00
pgtable.h
powerpc/mm: Differentiate between hugetlb and THP during page walk
2015-10-12 15:30:09 +11:00
plpar_wrappers.h
powerpc/pseries: Use new defines when calling H_SET_MODE
2014-10-07 22:01:56 +11:00
pmac_feature.h
…
pmac_low_i2c.h
…
pmac_pfunc.h
…
pmc.h
…
pmi.h
…
pnv-pci.h
cxl: Move include file cxl.h -> cxl-base.h
2015-06-03 13:27:19 +10:00
ppc4xx_ocm.h
…
ppc4xx.h
…
ppc_asm.h
powerpc: Change vsrX register defines to vsX to match gcc and glibc
2015-03-16 18:32:11 +11:00
ppc-opcode.h
powerpc: Revert "Use the POWER8 Micro Partition Prefetch Engine in KVM HV on POWER8"
2015-10-21 20:50:30 +11:00
ppc-pci.h
powerpc/eeh: Disable automatically blocked PCI config
2015-08-18 19:34:42 +10:00
probes.h
powerpc: Move the single step enable code to a generic path
2013-06-20 16:55:09 +10:00
processor.h
powerpc/tm: Drop tm_orig_msr from thread_struct
2015-07-16 16:02:37 +10:00
prom.h
powerpc: Remove stale function prototypes
2014-09-25 23:14:43 +10:00
ps3.h
powerpc: Delete non-required instances of include <linux/init.h>
2014-01-15 13:46:44 +11:00
ps3av.h
…
ps3gpu.h
…
ps3stor.h
…
pte-8xx.h
powerpc/8xx: Implementation of PAGE_EXEC
2015-06-02 21:37:28 -05:00
pte-40x.h
powerpc: drop _PAGE_FILE and pte_file()-related helpers
2015-02-16 17:56:05 -08:00
pte-44x.h
powerpc: drop _PAGE_FILE and pte_file()-related helpers
2015-02-16 17:56:05 -08:00
pte-book3e.h
powerpc/mm: Change the swap encoding in pte.
2015-06-19 17:10:29 +10:00
pte-common.h
powerpc/fsl: Force coherent memory on e500mc derivatives
2015-08-07 23:00:01 -05:00
pte-fsl-booke.h
powerpc: drop _PAGE_FILE and pte_file()-related helpers
2015-02-16 17:56:05 -08:00
pte-hash32.h
powerpc: drop _PAGE_FILE and pte_file()-related helpers
2015-02-16 17:56:05 -08:00
pte-hash64-4k.h
…
pte-hash64-64k.h
powerpc/mm: Use read barrier when creating real_pte
2014-08-13 18:20:41 +10:00
pte-hash64.h
powerpc/mm: Change the swap encoding in pte.
2015-06-19 17:10:29 +10:00
ptrace.h
powerpc/perf: Fix ABIv2 kernel backtraces
2014-09-09 19:02:45 +10:00
qe_ic.h
genirq: Remove irq argument from irq flow handlers
2015-09-16 15:47:51 +02:00
qe.h
…
reg_8xx.h
…
reg_a2.h
powerpc: Remove platforms/wsp and associated pieces
2014-06-11 16:35:38 +10:00
reg_booke.h
powerpc/e6500: add TMCFG0 register definition
2015-10-15 15:58:16 +11:00
reg_fsl_emb.h
powerpc/perf: Add e6500 PMU driver
2013-08-07 18:38:04 -05:00
reg.h
powerpc/tm: Block signal return setting invalid MSR state
2015-11-23 20:06:31 +11:00
rheap.h
…
rio.h
powerpc: Remove stale function prototypes
2014-09-25 23:14:43 +10:00
rtas.h
powerpc/rtas: Introduce rtas_get_sensor_fast() for IRQ handlers
2015-07-23 19:43:11 +10:00
rtc.h
…
runlatch.h
…
scom.h
powerpc/scom: Enable 64-bit addresses
2013-11-06 14:13:49 +11:00
seccomp.h
powerpc: switch to using asm-generic for seccomp.h
2015-04-17 09:04:10 -04:00
sections.h
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
2014-06-10 18:54:22 -07:00
serial.h
…
setjmp.h
…
setup.h
powerpc: Replace mem_init_done with slab_is_available()
2015-04-10 20:02:48 +10:00
sfp-machine.h
powerpc: Put FP/VSX and VR state into structures
2013-10-11 17:26:49 +11:00
shmparam.h
…
signal.h
powerpc/tm: Fix userspace stack corruption on signal delivery for active transactions
2013-06-01 08:29:23 +10:00
smp.h
powerpc: Drop return value of smp_ops->probe()
2015-04-10 20:02:49 +10:00
smu.h
powerpc: Fix comment in smu.h
2015-03-06 23:21:07 +01:00
sparsemem.h
…
spinlock_types.h
…
spinlock.h
rcu,locking: Privatize smp_mb__after_unlock_lock()
2015-08-04 08:49:21 -07:00
spu_csa.h
powerpc/cell: Drop support for 64K local store on 4K kernels
2015-08-18 19:29:49 +10:00
spu_info.h
…
spu_priv1.h
…
spu.h
powerpc/cell: Move spu_handle_mm_fault() out of cell platform
2014-10-08 20:14:54 +11:00
sstep.h
powerpc: Emulate icbi, mcrf and conditional-trap instructions
2014-09-25 23:14:51 +10:00
string.h
powerpc: memcpy optimization for 64bit LE
2014-04-30 15:26:18 +10:00
swab.h
powerpc: Remove unused st_le*() and ld_le* functions
2015-03-24 13:33:52 +11:00
swiotlb.h
…
switch_to.h
powerpc: Uncomment and make enable_kernel_vsx() routine available
2015-07-14 14:56:48 +08:00
synch.h
…
syscall.h
powerpc: Change syscall_get_nr() to return int
2015-07-29 11:56:13 +10:00
syscalls.h
…
systbl.h
Partial revert of "powerpc: Individual System V IPC system calls"
2015-12-16 21:52:32 +11:00
tce.h
…
termios.h
…
thread_info.h
arch: Remove exec_domain from remaining archs
2015-04-12 21:03:30 +02:00
time.h
KVM: PPC: Book3S HV: Accumulate timing information for real-mode code
2015-04-21 15:21:31 +02:00
timex.h
powerpc/8xx: mfspr SPRN_TBRx in lieu of mftb/mftbu is not supported
2013-11-22 16:56:48 -06:00
tlb.h
mmu_gather: move minimal range calculations into generic code
2014-11-17 10:12:42 +00:00
tlbflush.h
powerpc/mm: don't do tlbie for updatepp request with NO HPTE fault
2014-12-05 16:26:15 +11:00
tm.h
Merge branch 'kvm-ppchv-next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into kvm-next
2014-03-29 15:44:05 +01:00
topology.h
sched/topology: Rename topology_thread_cpumask() to topology_sibling_cpumask()
2015-05-27 15:22:15 +02:00
trace_clock.h
powerpc/ftrace: add powerpc timebase as a trace clock source
2015-08-06 16:36:23 +10:00
trace.h
powerpc/mm: Add trace point for tracking hash pte fault
2015-06-10 14:06:29 +10:00
tsi108_irq.h
…
tsi108_pci.h
genirq: Remove irq argument from irq flow handlers
2015-09-16 15:47:51 +02:00
tsi108.h
powerpc: Remove stale function prototypes
2014-09-25 23:14:43 +10:00
types.h
…
uaccess.h
powerpc: Fix duplicate const clang warning in user access code
2015-06-11 17:33:05 +10:00
ucc_fast.h
…
ucc_slow.h
powerpc/qe: drop unused ucc_slow_poll_transmitter_now
2015-03-16 18:50:17 +11:00
ucc.h
…
udbg.h
powerpc: Remove stale function prototypes
2014-09-25 23:14:43 +10:00
uic.h
…
unaligned.h
powerpc: Make unaligned accesses endian-safe for powerpc
2013-12-30 14:02:29 +11:00
uninorth.h
…
unistd.h
powerpc: Wire up sys_mlock2()
2015-11-16 17:05:53 +11:00
uprobes.h
uprobes/powerpc: Kill arch_uprobe->ainsn
2013-11-20 16:31:01 +01:00
user.h
…
vdso_datapage.h
…
vdso.h
powerpc: Link VDSOs at 0x0
2014-02-17 11:19:37 +11:00
vga.h
powerpc: Move Power Macintosh drivers to generic byteswappers
2015-03-23 14:29:40 +11:00
vio.h
remove <asm/scatterlist.h>
2015-05-05 13:35:39 -06:00
word-at-a-time.h
arch/powerpc: provide zero_bytemask() for big-endian
2015-10-08 11:44:12 -04:00
xics.h
powerpc: Drop return value of smp_ops->probe()
2015-04-10 20:02:49 +10:00
xilinx_intc.h
…
xilinx_pci.h
…
xmon.h
…
xor.h
powerpc: Add VMX optimised xor for RAID5
2013-10-30 16:02:28 +11:00