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6262db7c08
linux_dsm_epyc7002/arch/powerpc/include/asm
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Boqun Feng 6262db7c08 powerpc/spinlock: Fix spin_unlock_wait() 
There is an ordering issue with spin_unlock_wait() on powerpc, because
the spin_lock primitive is an ACQUIRE and an ACQUIRE is only ordering
the load part of the operation with memory operations following it.
Therefore the following event sequence can happen:

CPU 1			CPU 2			CPU 3

==================	====================	==============
						spin_unlock(&lock);
			spin_lock(&lock):
			  r1 = *lock; // r1 == 0;
o = object;		o = READ_ONCE(object); // reordered here
object = NULL;
smp_mb();
spin_unlock_wait(&lock);
			  *lock = 1;
smp_mb();
o->dead = true;         < o = READ_ONCE(object); > // reordered upwards
			if (o) // true
				BUG_ON(o->dead); // true!!

To fix this, we add a "nop" ll/sc loop in arch_spin_unlock_wait() on
ppc, the "nop" ll/sc loop reads the lock
value and writes it back atomically, in this way it will synchronize the
view of the lock on CPU1 with that on CPU2. Therefore in the scenario
above, either CPU2 will fail to get the lock at first or CPU1 will see
the lock acquired by CPU2, both cases will eliminate this bug. This is a
similar idea as what Will Deacon did for ARM64 in:

  d86b8da04d ("arm64: spinlock: serialise spin_unlock_wait against concurrent lockers")

Furthermore, if the "nop" ll/sc figures out the lock is locked, we
actually don't need to do the "nop" ll/sc trick again, we can just do a
normal load+check loop for the lock to be released, because in that
case, spin_unlock_wait() is called when someone is holding the lock, and
the store part of the "nop" ll/sc happens before the lock release of the
current lock holder:

	"nop" ll/sc -> spin_unlock()

and the lock release happens before the next lock acquisition:

	spin_unlock() -> spin_lock() <next holder>

which means the "nop" ll/sc happens before the next lock acquisition:

	"nop" ll/sc -> spin_unlock() -> spin_lock() <next holder>

With a smp_mb() preceding spin_unlock_wait(), the store of object is
guaranteed to be observed by the next lock holder:

	STORE -> smp_mb() -> "nop" ll/sc
	-> spin_unlock() -> spin_lock() <next holder>

This patch therefore fixes the issue and also cleans the
arch_spin_unlock_wait() a little bit by removing superfluous memory
barriers in loops and consolidating the implementations for PPC32 and
PPC64 into one.

Suggested-by: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Reviewed-by: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
[mpe: Inline the "nop" ll/sc loop and set EH=0, munge change log]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-06-14 16:05:44 +10:00
..
book3s powerpc: Various typo fixes 2016-06-14 13:58:26 +10:00
nohash powerpc: Various typo fixes 2016-06-14 13:58:26 +10:00
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 powerpc: atomic: Implement acquire/release/relaxed variants for cmpxchg 2016-02-18 00:11:39 +11:00
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 UAPI: (Scripted) Disintegrate arch/powerpc/include/asm 2012-10-09 09:47:26 +01:00
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: add inline functions for cache related instructions 2016-03-11 17:20:11 -06:00
cacheflush.h powerpc32: move xxxxx_dcache_range() functions inline 2016-03-11 17:20:12 -06:00
cell-pmu.h
cell-regs.h
checksum.h powerpc: optimise csum_partial() call when len is constant 2016-03-09 10:44:18 -06:00
cmpxchg.h powerpc: Use BUILD_BUG_ON_MSG() for unsupported {cmp}xchg sizes 2016-02-24 20:08:48 +11:00
code-patching.h powerpc: Define and use PPC64_ELF_ABI_v2/v1 2016-06-14 13:58:27 +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 QE: Move QE from arch/powerpc to drivers/soc 2015-12-22 17:12:56 -06:00
cpuidle.h powernv/cpuidle: Redesign idle states management 2014-12-15 10:46:40 +11:00
cputable.h powerpc/cache: add cache flush operation for various e500 2016-03-04 23:44:51 -06:00
cputhreads.h powerpc/mpc85xx: Add CPU hotplug support for E6500 2016-03-04 23:58:38 -06:00
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 powerpc: Select either privileged or hypervisor doorbell when sending 2013-01-10 15:09:06 +11:00
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: always provide the dma_map_ops based implementation 2016-01-20 17:09:18 -08:00
dma.h powerpc: remove PReP platform 2013-04-18 13:03:53 +10:00
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: Various typo fixes 2016-06-14 13:58:26 +10:00
ehv_pic.h irq_domain/powerpc: Use common irq_domain structure instead of irq_host 2012-02-14 14:06:50 -07:00
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/kernel: Combine vec/loc for STD_EXCEPTION_PSERIES 2015-12-17 22:40:58 +11:00
exec.h Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
fadump.h powerpc/fadump: rename cpu_online_mask member of struct fadump_crash_info_header 2016-01-20 17:09:18 -08:00
fb.h
feature-fixups.h powerpc: Use new CPU feature bit to select 2.06 tlbie 2011-05-04 15:19:26 +10:00
firmware.h powerpc/powernv: remove FW_FEATURE_OPALv3 and just use FW_FEATURE_OPAL 2015-12-17 22:40:54 +11:00
fixmap.h powerpc: use generic fixmap.h 2014-01-23 16:36:54 -08:00
floppy.h powerpc/irq: Remove IRQF_DISABLED 2011-11-08 14:51:46 +11:00
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 powerpc: Fix typos in Freescale copyright claims 2012-11-15 13:00:58 +11:00
fsl_hcalls.h PPC: Don't use hardcoded opcode for ePAPR hcall invocation 2012-10-05 23:38:38 +02:00
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
fsl_pm.h powerpc/rcpm: add RCPM driver 2016-03-04 23:50:27 -06:00
ftrace.h powerpc: Define and use PPC64_ELF_ABI_v2/v1 2016-06-14 13:58:27 +10:00
futex.h powerpc: Fix atomic_xxx_return barrier semantics 2011-11-17 16:26:07 +11:00
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 powerpc/mm: Add radix support for hugetlb 2016-05-11 21:53:55 +10:00
hvcall.h powerpc: New possible return value from hcall 2016-03-09 13:05:51 +11:00
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: Fix misspellings in comments. 2016-03-01 19:27:20 +11:00
i8259.h irq_domain/powerpc: Use common irq_domain structure instead of irq_host 2012-02-14 14:06:50 -07:00
ibmebus.h ibmebus: convert of_platform_driver to platform_driver 2013-06-12 12:37:26 +01:00
icswx.h crypto: nx-842 - Mask XERS0 bit in return value 2015-12-17 16:42:12 +08:00
ide.h
immap_cpm2.h
io_event_irq.h powerpc/pseries: Add support for IO event interrupts 2011-05-06 13:19:01 +10:00
io-defs.h
io-workarounds.h POWERPC: drivers: remove __dev* attributes. 2013-01-03 15:57:04 -08:00
io.h powerpc: Fix misspellings in comments. 2016-03-01 19:27:20 +11:00
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 powerpc: Rename mapping based RELOCATABLE to DYNAMIC_MEMSTART for BookE 2011-12-20 10:20:19 -05:00
kexec.h powerpc/kdump: Ignore failure in enabling big endian exception during crash 2014-12-29 15:44:53 +11:00
keylargo.h Typos: change aditional to additional. 2012-02-21 11:40:36 +01:00
kgdb.h
kmap_types.h powerpc: remove km_type definitions 2012-07-24 15:27:29 +08:00
kprobes.h powerpc: Define and use PPC64_ELF_ABI_v2/v1 2016-06-14 13:58:27 +10:00
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 powerpc/mm/book3s: Rename hash specific PTE bits to carry H_ prefix 2016-05-01 18:32:43 +10:00
kvm_book3s_asm.h KVM: PPC: Book3S: correct width in XER handling 2015-08-22 11:16:19 +02:00
kvm_book3s.h kvm: rename pfn_t to kvm_pfn_t 2016-01-15 17:56:32 -08:00
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 KVM: halt_polling: provide a way to qualify wakeups during poll 2016-05-13 17:29:23 +02:00
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: PPC: Add support for 64bit TCE windows 2016-03-02 09:56:50 +11:00
libata-portmap.h
linkage.h powerpc: Define and use PPC64_ELF_ABI_v2/v1 2016-06-14 13:58:27 +10:00
livepatch.h powerpc/livepatch: Add livepatch stack to struct thread_info 2016-04-14 15:47:06 +10:00
local.h atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
lppaca.h powerpc: Make slb_shadow a local 2013-12-09 11:40:25 +11:00
lv1call.h powerpc/ps3: Correct lv1 repository routine names 2012-04-24 15:34:16 -07:00
machdep.h powerpc/mm/radix: Add partition table format & callback 2016-05-01 18:32:39 +10:00
macio.h treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
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 mm/core, arch, powerpc: Pass a protection key in to calc_vm_flag_bits() 2016-02-18 19:46:30 +01:00
mmu_context.h powerpc/mm/radix: Add mmu context handling callback for radix 2016-05-01 18:33:05 +10:00
mmu-8xx.h powerpc/8xx: Add missing SPRN defines into reg_8xx.h 2016-03-11 17:18:02 -06:00
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.h powerpc/mm/radix: Add MMU_FTR_RADIX 2016-05-11 21:49:25 +10:00
mmzone.h Fix node_start/end_pfn() definition for mm/page_cgroup.c 2011-06-27 14:13:09 -07:00
module.h Merge branch 'topic/mprofile-kernel' into next 2016-03-11 11:20:15 +11:00
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 powerpc/mpc52xx_lpbfifo: optionally defer fifo transfer start 2012-09-14 10:15:35 +02:00
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 powerpc/mpic_msgr: Add missing includes 2012-08-24 20:26:04 +10:00
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 powerpc: Various typo fixes 2016-06-14 13:58:26 +10:00
opal.h powerpc/powernv: new function to access OPAL msglog 2016-02-09 20:27:04 +11:00
oprofile_impl.h powerpc: Remove oprofile RS64 support 2014-07-28 14:10:25 +10:00
paca.h powerpc: Fix build break due to paca mm_context_t changes 2016-01-09 08:28:44 +11:00
page_32.h powerpc32: Remove clear_pages() and define clear_page() inline 2016-03-11 17:20:11 -06:00
page_64.h powerpc/mm/slice: Remove slice_mm_new_context() 2016-05-11 21:54:00 +10:00
page.h powerpc/mm: Make 4K and 64K use pte_t for pgtable_t 2016-05-11 21:53:51 +10:00
parport.h powerpc: use for_each_compatible_node() macro 2013-04-18 13:03:50 +10:00
pasemi_dma.h
pci-bridge.h powerpc/pci: Introduce pci_remove_device_node_info() 2016-05-11 21:54:25 +10:00
pci.h PCI: Move pci_dma_* helpers to common code 2016-03-07 10:40:02 -06:00
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: Export Power8 generic and cache events to sysfs 2016-03-10 22:56:05 +11:00
perf_event.h powerpc: Rename __get_SP() to current_stack_pointer() 2014-10-15 11:23:20 +11:00
pgalloc.h powerpc/mm: Copy pgalloc (part 2) 2016-05-11 21:53:49 +10:00
pgtable-be-types.h powerpc/mm: Use big endian Linux page tables for book3s 64 2016-05-01 18:32:18 +10:00
pgtable-types.h powerpc/mm: Add pte_xchg() helper 2016-05-01 18:32:16 +10:00
pgtable.h arch: fix has_transparent_hugepage() 2016-05-19 19:12:14 -07:00
plpar_wrappers.h powerpc/mm: Use H_READ with H_READ_4 2015-12-14 15:19:17 +11:00
pmac_feature.h powerpc: Various typo fixes 2016-06-14 13:58:26 +10:00
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 powerpc/44x: Support OCM(On Chip Memory) for APM821xx SoC and Bluestone board 2013-01-10 15:08:37 +11:00
ppc4xx.h
ppc_asm.h powerpc: Define and use PPC64_ELF_ABI_v2/v1 2016-06-14 13:58:27 +10:00
ppc-opcode.h powerpc: Add support for userspace P9 copy paste 2016-04-27 09:28:07 +10:00
ppc-pci.h powerpc/pci: Export pci_traverse_device_nodes() 2016-05-11 21:54:25 +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: Various typo fixes 2016-06-14 13:58:26 +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 powerpc: Various typo fixes 2016-06-14 13:58:26 +10:00
ps3gpu.h
ps3stor.h
pte-common.h powerpc: Various typo fixes 2016-06-14 13:58:26 +10:00
ptrace.h powerpc: Define and use PPC64_ELF_ABI_v2/v1 2016-06-14 13:58:27 +10:00
reg_8xx.h powerpc/8xx: Fix do_mtspr_cpu6() build on older compilers 2016-03-16 15:22:40 +11:00
reg_a2.h powerpc: Remove platforms/wsp and associated pieces 2014-06-11 16:35:38 +10:00
reg_booke.h powerpc: Fix misspellings in comments. 2016-03-01 19:27:20 +11:00
reg_fsl_emb.h powerpc/perf: Add e6500 PMU driver 2013-08-07 18:38:04 -05:00
reg.h powerpc: Use privileged SPR number for MMCR2 2016-05-31 20:08:32 +10:00
rheap.h
rio.h powerpc: Remove stale function prototypes 2014-09-25 23:14:43 +10:00
rtas.h powerpc/rtas: Make enter_rtas() private 2015-12-17 22:40:56 +11:00
rtc.h
runlatch.h Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
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 powerpc: Define and use PPC64_ELF_ABI_v2/v1 2016-06-14 13:58:27 +10:00
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 updates for 4.6 2016-03-19 15:38:41 -07:00
smu.h powerpc: Various typo fixes 2016-06-14 13:58:26 +10:00
sparsemem.h powerpc/mm: Add 64TB support 2012-09-17 16:31:51 +10:00
spinlock_types.h
spinlock.h powerpc/spinlock: Fix spin_unlock_wait() 2016-06-14 16:05:44 +10:00
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 UAPI: (Scripted) Disintegrate arch/powerpc/include/asm 2012-10-09 09:47:26 +01:00
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: Remove assembly versions of strcpy, strcat, strlen and strcmp 2016-06-14 13:58:25 +10:00
swab.h powerpc: Remove unused st_le*() and ld_le* functions 2015-03-24 13:33:52 +11:00
swiotlb.h powerpc/swiotlb: Enable at early stage and disable if not necessary 2012-09-12 14:57:09 -05:00
switch_to.h powerpc: Add the ability to save VSX without giving it up 2016-03-02 23:34:50 +11:00
synch.h powerpc: Make value-returning atomics fully ordered 2015-12-14 20:38:18 +11:00
syscall.h powerpc: Change syscall_get_nr() to return int 2015-07-29 11:56:13 +10:00
syscalls.h powerpc: trim the crap from syscalls.h 2013-02-03 18:16:11 -05:00
systbl.h powerpc: wire up preadv2 and pwritev2 syscalls 2016-04-27 16:47:55 +10:00
tce.h powerpc/powernv: Add TCE SW invalidation support 2011-11-25 14:32:57 +11:00
termios.h UAPI: (Scripted) Disintegrate arch/powerpc/include/asm 2012-10-09 09:47:26 +01:00
thread_info.h powerpc/livepatch: Add livepatch stack to struct thread_info 2016-04-14 15:47:06 +10:00
time.h powerpc/8xx: remove special handling of CPU6 errata in set_dec() 2016-03-11 17:18:03 -06:00
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/radix: Add tlbflush routines 2016-05-01 18:33:09 +10:00
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/pseries: Don't trace hcalls on offline CPUs 2016-02-15 21:10:03 +11:00
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: Various typo fixes 2016-06-14 13:58:26 +10:00
types.h powerpc: Define and use PPC64_ELF_ABI_v2/v1 2016-06-14 13:58:27 +10:00
uaccess.h ppc: get rid of the remnants of __get_user64() 2016-01-04 10:28:12 -05:00
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 powerpc: Fix misspellings in comments. 2016-03-01 19:27:20 +11:00
unistd.h powerpc: wire up preadv2 and pwritev2 syscalls 2016-04-27 16:47:55 +10:00
uprobes.h uprobes/powerpc: Kill arch_uprobe->ainsn 2013-11-20 16:31:01 +01:00
user.h
vdso_datapage.h powerpc: Standardise on NR_syscalls rather than __NR_syscalls. 2015-11-26 22:11:17 +11:00
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 powerpc: Fix bad inline asm constraint in create_zero_mask() 2016-05-02 11:10:25 +10:00
xics.h powerpc updates for 4.6 2016-03-19 15:38:41 -07:00
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