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Stefan Roese 09597cfe93 powerpc: Don't write protect kernel text with CONFIG_DYNAMIC_FTRACE enabled 
This problem was noticed on an MPC855T platform. Ftrace did oops
when trying to write to the kernel text segment.

Many thanks to Joakim for finding the root cause of this problem.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
 		2011-04-18 13:08:21 +10:00
..
iseries
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8xx_immap.h tree-wide: fix comment/printk typos 2010-11-01 15:38:34 -04:00
8253pit.h
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Kbuild archs: replace unifdef-y with header-y 2010-08-14 22:26:51 +02:00
abs_addr.h Merge commit 'gcl/next' into next 2010-08-04 10:26:03 +10:00
agp.h agp: kill phys_to_gart() and gart_to_phys() 2009-08-03 09:05:00 +01:00
asm-compat.h powerpc: Emulate most Book I instructions in emulate_step() 2010-06-22 19:40:29 +10:00
asm-offsets.h kbuild: move asm-offsets.h to include/generated 2009-12-12 13:08:14 +01:00
async_tx.h ppc440spe-adma: adds updated ppc440spe adma driver 2009-12-11 21:24:44 -07:00
atomic.h powerpc: Rename LWSYNC_ON_SMP to PPC_RELEASE_BARRIER, ISYNC_ON_SMP to PPC_ACQUIRE_BARRIER 2010-02-17 14:03:15 +11:00
auxvec.h
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backlight.h
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bitops.h Fix common misspellings 2011-03-31 11:26:23 -03:00
bitsperlong.h
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bootx.h
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btext.h
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bug.h panic: Allow warnings to set different taint flags 2010-05-19 08:36:48 +01:00
bugs.h
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byteorder.h
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cache.h Merge branch 'for-35' of git://repo.or.cz/linux-kbuild 2010-06-01 08:55:52 -07:00
cacheflush.h block: add helpers to run flush_dcache_page() against a bio and a request's pages 2009-11-26 09:16:19 +01:00
cell-pmu.h
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cell-regs.h powerpc/cell: Move CBE_IOPTE_* to <asm/cell-regs.h> 2009-08-20 10:29:26 +10:00
checksum.h powerpc: Add 64bit csum_and_copy_to_user 2010-09-02 14:07:30 +10:00
clk_interface.h
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code-patching.h
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compat.h Fix common misspellings 2011-03-31 11:26:23 -03:00
cpm.h Fix common misspellings 2011-03-31 11:26:23 -03:00
cpm1.h Fix common misspellings 2011-03-31 11:26:23 -03:00
cpm2.h powerpc/cpm: Move CPMFCR_* defines into cpm.h 2009-11-11 21:43:19 -06:00
cputable.h powerpc/e500mc: Remove CPU_FTR_MAYBE_CAN_NAP/CPU_FTR_MAYBE_CAN_DOZE 2011-04-12 06:29:21 -05:00
cputhreads.h powerpc: Cleanup APIs for cpu/thread/core mappings 2010-11-29 15:48:19 +11:00
cputime.h taskstats: use real microsecond granularity for CPU times 2010-10-27 18:03:17 -07:00
current.h
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dbdma.h
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dbell.h powerpc/book3e: Resend doorbell exceptions to ourself 2010-07-09 16:11:19 +10:00
dcr-generic.h
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dcr-mmio.h
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dcr-native.h
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dcr-regs.h ppc440spe-adma: adds updated ppc440spe adma driver 2009-12-11 21:24:44 -07:00
dcr.h
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delay.h powerpc: Fix spin_event_timeout() to be robust over context switches 2009-07-08 13:50:24 +10:00
device.h powerpc/macio: Ensure all dma routines get copied over 2010-11-29 15:48:21 +11:00
disassemble.h
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div64.h
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dma-mapping.h powerpc: Implement dma_mmap_coherent() 2011-03-30 10:44:00 +11:00
dma.h
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edac.h
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eeh.h
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eeh_event.h
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elf.h powerpc: Use is_32bit_task() helper to test 32-bit binary 2010-09-02 14:07:32 +10:00
emergency-restart.h
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emulated_ops.h powerpc: perf_event: Add alignment-faults and emulation-faults software events 2009-10-28 16:13:03 +11:00
errno.h
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exception-64e.h powerpc/book3e-64: Add helper function to setup IVORs 2009-08-28 14:24:13 +10:00
exception-64s.h powerpc: Account time using timebase rather than PURR 2010-09-02 14:07:31 +10:00
fb.h
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fcntl.h
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feature-fixups.h powerpc: Ensure the else case of feature sections will fit 2011-01-21 14:08:33 +11:00
firmware.h powerpc: Add VPHN firmware feature 2010-11-29 15:48:22 +11:00
fixmap.h powerpc: reserve fixmap entries for early debug 2009-12-12 22:24:30 -07:00
floppy.h
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fs_pd.h
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fsl_85xx_cache_sram.h powerpc/85xx: add cache-sram support 2010-10-14 00:54:38 -05:00
fsl_gtm.h
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fsl_guts.h powerpc: rename immap_86xx.h to fsl_guts.h, and add 85xx support 2010-08-12 14:00:15 +01:00
fsl_lbc.h P4080/mtd: Fix the freescale lbc issue with 36bit mode 2010-10-25 15:41:04 +01:00
ftrace.h
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futex.h futex: Sanitize futex ops argument types 2011-03-11 12:23:31 +01:00
gpio.h powerpc/gpio: support gpio_to_irq() 2009-12-10 20:08:15 -06:00
grackle.h
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hardirq.h powerpc: Convert global "BAD" interrupt to per cpu spurious 2010-02-17 14:02:49 +11:00
heathrow.h
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highmem.h mm: stack based kmap_atomic() 2010-10-26 16:52:08 -07:00
hugetlb.h powerpc/mm: Bring hugepage PTE accessor functions back into sync with normal accessors 2009-10-30 17:21:23 +11:00
hvcall.h Fix common misspellings 2011-03-31 11:26:23 -03:00
hvconsole.h
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hvcserver.h
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hw_breakpoint.h powerpc, hw_breakpoint: Tell generic code we have no instruction breakpoints 2010-06-30 13:54:58 +10:00
hw_irq.h powerpc: Use ARCH_IRQ_INIT_FLAGS 2011-03-02 16:50:24 +11:00
hydra.h Update broken web addresses in arch directory. 2010-10-18 11:03:21 +02:00
i8259.h
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ibmebus.h
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ide.h
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immap_cpm2.h powerpc/qe&cpm2: Avoid redefinitions in CPM2 and QE headers 2009-11-11 21:43:18 -06:00
immap_qe.h powerpc: fix warning when compiling immap_qe.h 2011-01-12 18:02:46 -06:00
io-defs.h
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io.h
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ioctl.h
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ioctls.h tty: add TIOCVHANGUP to allow clean tty shutdown of all ttys 2011-02-17 14:16:30 -08:00
iommu.h powerpc: Change archdata dma_data to a union 2009-09-24 15:31:43 +10:00
ipcbuf.h
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ipic.h
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irq.h Merge commit 'v2.6.35-rc6' into devicetree/next 2010-07-24 09:49:13 -06:00
irq_regs.h
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irqflags.h powerpc/ppc64/tracing: Add stack frame to calls of trace_hardirqs_on/off 2011-01-21 14:08:33 +11:00
kdebug.h
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kdump.h powerpc: Move kdump default base address to 64MB on 64bit 2010-06-15 15:02:32 +10:00
kexec.h powerpc/kexec: make masking/disabling interrupts generic 2010-10-14 00:52:46 -05:00
keylargo.h
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kgdb.h kgdb,ppc: Individual register get/set for ppc 2010-10-29 13:14:42 -05:00
kmap_types.h kdb: core for kgdb back end (2 of 2) 2010-05-20 21:04:21 -05:00
kprobes.h Fix common misspellings 2011-03-31 11:26:23 -03:00
kvm.h KVM: PPC: Implement Level interrupts on Book3S 2010-10-24 10:52:19 +02:00
kvm_44x.h
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kvm_asm.h KVM: PPC: Implement Level interrupts on Book3S 2010-10-24 10:52:19 +02:00
kvm_book3s.h KVM: PPC: Implement correct SID mapping on Book3s_32 2010-10-24 10:52:15 +02:00
kvm_book3s_32.h KVM: PPC: Add kvm_book3s_32.h 2010-05-17 12:18:23 +03:00
kvm_book3s_64.h KVM: PPC: Add kvm_book3s_64.h 2010-05-17 12:18:21 +03:00
kvm_book3s_asm.h KVM: PPC: Use KVM_BOOK3S_HANDLER 2010-05-17 12:18:28 +03:00
kvm_booke.h KVM: PPC: Improve indirect svcpu accessors 2010-05-17 12:18:26 +03:00
kvm_e500.h KVM: PPC E500: fix tlbcfg emulation 2010-03-01 12:36:06 -03:00
kvm_fpu.h powerpc: Remove fpscr use from [kvm_]cvt_{fd,df} 2010-09-02 14:07:32 +10:00
kvm_host.h KVM: PPC: Add book3s_32 tlbie flush acceleration 2010-10-24 10:50:58 +02:00
kvm_para.h KVM: PPC: Move of include to __KERNEL__ section 2010-10-24 10:52:23 +02:00
kvm_ppc.h KVM: PPC: Implement hypervisor interface 2010-10-24 10:50:45 +02:00
libata-portmap.h
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linkage.h
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local.h Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2010-03-03 07:34:18 -08:00
local64.h arch: Implement local64_t 2010-06-09 11:12:36 +02:00
lppaca.h Fix common misspellings 2011-03-31 11:26:23 -03:00
lv1call.h
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machdep.h powerpc/smp: Add a smp_ops->bringup_up() done callback 2011-04-01 15:37:29 +11:00
macio.h of/device: Replace of_device with platform_device in includes and core code 2010-07-24 09:58:21 -06:00
mc146818rtc.h
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mediabay.h powerpc/macio: Rework hotplug media bay support 2009-12-09 17:09:14 +11:00
memblock.h memblock: Introduce default allocation limit and use it to replace explicit ones 2010-08-05 12:56:07 +10:00
mman.h mm: add MAP_HUGETLB for mmaping pseudo-anonymous huge page regions 2009-09-22 07:17:41 -07:00
mmu-8xx.h powerpc: Add TLB management code for 64-bit Book3E 2009-08-20 10:25:09 +10:00
mmu-40x.h powerpc: Add TLB management code for 64-bit Book3E 2009-08-20 10:25:09 +10:00
mmu-44x.h powerpc/47x: Base ppc476 support 2010-05-05 09:11:10 -04:00
mmu-book3e.h powerpc/book3e: Protect complex macro args in mmu-book3e.h 2011-02-07 12:47:56 +11:00
mmu-hash32.h powerpc: Name xpn & x fields in HW Hash PTE format 2009-08-28 14:24:12 +10:00
mmu-hash64.h powerpc/mm: Move the STAB0 location to 0x8000 to make room in low memory 2011-03-30 10:44:20 +11:00
mmu.h memblock: Remove rmo_size, burry it in arch/powerpc where it belongs 2010-08-05 12:56:08 +10:00
mmu_context.h PPC: Split context init/destroy functions 2010-05-17 12:18:20 +03:00
mmzone.h powerpc: Add memory_hotplug_max() 2010-11-29 15:48:21 +11:00
module.h module: handle ppc64 relocating kcrctabs when CONFIG_RELOCATABLE=y 2009-12-15 16:28:34 +10:30
mpc5xxx.h
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mpc6xx.h
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mpc8xx.h
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mpc52xx.h powerpc/5200: add mpc5200_psc_ac97_gpio_reset 2010-08-06 20:49:18 -06:00
mpc52xx_psc.h powerpc/5200: add mpc5200_psc_ac97_gpio_reset 2010-08-06 20:49:18 -06:00
mpc5121.h powerpc/5121: shared DIU framebuffer support 2010-08-01 17:06:44 -06:00
mpc8260.h
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mpic.h powerpc: Make MPIC honor the "pic-no-reset" device tree property 2011-03-21 11:01:32 +11:00
msgbuf.h
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msi_bitmap.h
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mutex.h powerpc: Rename LWSYNC_ON_SMP to PPC_RELEASE_BARRIER, ISYNC_ON_SMP to PPC_ACQUIRE_BARRIER 2010-02-17 14:03:15 +11:00
nvram.h powerpc/nvram: Generalize code for OS partitions in NVRAM 2011-03-04 18:19:04 +11:00
ohare.h
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oprofile_impl.h
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pSeries_reconfig.h powerpc/pseries: Kernel DLPAR Infrastructure 2009-12-09 17:09:32 +11:00
paca.h Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2010-10-21 21:19:54 -07:00
page.h powerpc: ARCH_PFN_OFFSET should be unsigned long 2011-03-30 10:44:07 +11:00
page_32.h dma-mapping: rename ARCH_KMALLOC_MINALIGN to ARCH_DMA_MINALIGN 2010-08-11 08:59:21 -07:00
page_64.h Fix common misspellings 2011-03-31 11:26:23 -03:00
param.h powerpc: Simplify param.h by including <asm-generic/param.h> 2010-02-03 17:39:48 +11:00
parport.h powerpc: Correct parport interrupt parsing 2010-05-06 16:49:26 +10:00
pasemi_dma.h Fix common misspellings 2011-03-31 11:26:23 -03:00
pci-bridge.h Fix common misspellings 2011-03-31 11:26:23 -03:00
pci.h powerpc/pci: Make both ppc32 and ppc64 use sysdata for pci_controller 2011-02-04 11:46:51 -07:00
percpu.h powerpc: Optimise per cpu accesses on 64bit 2010-07-09 11:28:30 +10:00
perf_event.h perf: Drop the skip argument from perf_arch_fetch_regs_caller 2010-06-08 23:31:27 +02:00
perf_event_fsl_emb.h powerpc/perf: e500 support 2010-03-05 03:04:08 -06:00
perf_event_server.h powerpc/perf: e500 support 2010-03-05 03:04:08 -06:00
pgalloc-32.h powerpc/mm: Cleanup management of kmem_caches for pagetables 2009-10-30 17:20:57 +11:00
pgalloc-64.h powerpc/mm: Track backing pages allocated by vmemmap_populate() 2010-05-06 16:49:27 +10:00
pgalloc.h powerpc/mm: Cleanup management of kmem_caches for pagetables 2009-10-30 17:20:57 +11:00
pgtable-ppc32.h mm: remove pte_*map_nested() 2010-10-26 16:52:08 -07:00
pgtable-ppc64-4k.h
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pgtable-ppc64-64k.h powerpc/mm: Fix misplaced #endif in pgtable-ppc64-64k.h 2009-08-20 10:12:35 +10:00
pgtable-ppc64.h mm: remove pte_*map_nested() 2010-10-26 16:52:08 -07:00
pgtable.h powerpc: Add pgprot_writecombine 2011-03-02 16:50:24 +11:00
phyp_dump.h
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pmac_feature.h Fix common misspellings 2011-03-31 11:26:23 -03:00
pmac_low_i2c.h i2c-powermac: Include the i2c_adapter in struct pmac_i2c_bus 2009-12-06 17:06:19 +01:00
pmac_pfunc.h
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pmc.h powerpc/pmc: Don't access lppaca on Book3E 2009-09-24 15:31:39 +10:00
pmi.h
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poll.h
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posix_types.h
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ppc-opcode.h powerpc: Hardcode popcnt instructions for old assemblers 2010-12-09 15:35:30 +11:00
ppc-pci.h powerpc/pci: Fix return type of BUID_{HI,LO} macros 2010-10-13 16:19:20 +11:00
ppc4xx.h
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ppc_asm.h powerpc: Account time using timebase rather than PURR 2010-09-02 14:07:31 +10:00
processor.h powerpc: Removing undead ifdef __KERNEL__ 2010-11-29 15:48:18 +11:00
prom.h of/pci: move of_irq_map_pci() into generic code 2011-02-04 11:46:50 -07:00
ps3.h
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ps3av.h
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ps3fb.h
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ps3gpu.h
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ps3stor.h
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pte-8xx.h powerpc/8xx: Restore _PAGE_WRITETHRU 2009-12-09 17:10:37 +11:00
pte-40x.h powerpc/mm: Fix 40x and 8xx vs. _PAGE_SPECIAL 2009-09-24 15:31:49 +10:00
pte-44x.h powerpc/mm: Cleanup handling of execute permission 2009-08-27 13:12:51 +10:00
pte-book3e.h powerpc/fsl-booke: Use HW PTE format if CONFIG_PTE_64BIT 2009-09-02 16:20:41 +10:00
pte-common.h powerpc: Don't write protect kernel text with CONFIG_DYNAMIC_FTRACE enabled 2011-04-18 13:08:21 +10:00
pte-fsl-booke.h powerpc/fsl-booke: Use HW PTE format if CONFIG_PTE_64BIT 2009-09-02 16:20:41 +10:00
pte-hash32.h powerpc/mm: Cleanup handling of execute permission 2009-08-27 13:12:51 +10:00
pte-hash64-4k.h
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pte-hash64-64k.h powerpc/mm: Fix pgtable cache cleanup with CONFIG_PPC_SUBPAGE_PROT 2009-12-08 15:59:33 +11:00
pte-hash64.h
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ptrace.h powerpc/ptrace: Remove BUG_ON when full register set not available 2011-03-21 11:18:14 +11:00
qe.h powerpc/qe&cpm: Implement static inline stubs for non-QE/CPM builds 2009-11-11 21:43:20 -06:00
qe_ic.h powerpc: qe_ic: Rename get_irq_desc_data and get_irq_desc_chip 2011-03-30 15:38:02 +02:00
reg.h Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2011-03-18 10:38:34 -07:00
reg_8xx.h
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reg_booke.h Fix common misspellings 2011-03-31 11:26:23 -03:00
reg_fsl_emb.h powerpc/perf: e500 support 2010-03-05 03:04:08 -06:00
resource.h
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rheap.h
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rio.h
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rtas.h powerpc/pseries: Export rtas_ibm_suspend_me() 2010-10-13 16:19:02 +11:00
rtc.h
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rwsem.h rwsem: Move duplicate function prototypes to linux/rwsem.h 2011-01-27 12:30:39 +01:00
scatterlist.h remove needless ISA_DMA_THRESHOLD 2010-08-07 18:15:50 +02:00
seccomp.h
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sections.h
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sembuf.h
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serial.h
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setjmp.h
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setup.h powerpc: derive COMMAND_LINE_SIZE from asm-generic 2009-08-28 14:24:16 +10:00
sfp-machine.h Revert "endian: #define __BYTE_ORDER" 2010-05-26 08:30:15 -07:00
shmbuf.h
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shmparam.h
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sigcontext.h
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siginfo.h
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signal.h
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smp.h powerpc/smp: Don't expose per-cpu "cpu_state" array 2011-04-01 15:37:33 +11:00
smu.h of: kill struct of_device 2010-06-28 12:41:33 -07:00
socket.h net: Generalize socket rx gap / receive queue overflow cmsg 2009-10-12 13:26:31 -07:00
sockios.h
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sparsemem.h Revert "powerpc/mm: Bump SECTION_SIZE_BITS from 16MB to 256MB" 2010-04-13 13:54:39 +10:00
spinlock.h powerpc: Rename LWSYNC_ON_SMP to PPC_RELEASE_BARRIER, ISYNC_ON_SMP to PPC_ACQUIRE_BARRIER 2010-02-17 14:03:15 +11:00
spinlock_types.h locking: Convert raw_rwlock to arch_rwlock 2009-12-14 23:55:32 +01:00
spu.h powerpc/kdump: Move crash_kexec_stop_spus to kdump crash handler 2011-01-21 14:08:36 +11:00
spu_csa.h
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spu_info.h
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spu_priv1.h Fix common misspellings 2011-03-31 11:26:23 -03:00
sstep.h
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stat.h
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statfs.h
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string.h
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suspend.h
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swab.h
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swiotlb.h powerpc: use dma_map_ops struct 2009-08-28 14:24:10 +10:00
synch.h powerpc: Use lwsync for acquire barrier if CPU supports it 2010-02-17 14:03:16 +11:00
syscall.h powerpc: Use correct ccr bit for syscall error status 2010-03-19 16:38:16 +11:00
syscalls.h improve sys_newuname() for compat architectures 2010-03-12 15:52:32 -08:00
systbl.h powerpc: Wire up new syscalls 2011-03-30 10:44:11 +11:00
system.h Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2010-10-21 21:19:54 -07:00
tce.h
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termbits.h tty: Add EXTPROC support for LINEMODE 2010-08-10 13:47:39 -07:00
termios.h
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thread_info.h mm: NUMA aware alloc_thread_info_node() 2011-03-22 17:44:01 -07:00
time.h powerpc: Account time using timebase rather than PURR 2010-09-02 14:07:31 +10:00
timex.h
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tlb.h powerpc/mm: Rework & cleanup page table freeing code path 2009-08-20 10:24:56 +10:00
tlbflush.h powerpc/mm: Make low level TLB flush ops on BookE take additional args 2009-08-20 10:12:41 +10:00
topology.h powerpc/pseries: Fix build of topology stuff without CONFIG_NUMA 2011-01-12 10:56:29 +11:00
trace.h powerpc: tracing: Give hypervisor call tracepoints access to arguments 2009-10-28 16:13:04 +11:00
tsi108.h
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tsi108_irq.h
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tsi108_pci.h
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types.h remove dma64_addr_t 2011-03-23 19:47:18 -07:00
uaccess.h
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ucc.h
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ucc_fast.h
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ucc_slow.h
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ucontext.h
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udbg.h powerpc: gamecube/wii: early debugging using usbgecko 2009-12-12 22:24:31 -07:00
uic.h
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unaligned.h
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uninorth.h Fix common misspellings 2011-03-31 11:26:23 -03:00
unistd.h powerpc: Wire up new syscalls 2011-03-30 10:44:11 +11:00
user.h
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vdso.h powerpc: Move 64bit VDSO to improve context switch performance 2009-08-20 10:12:24 +10:00
vdso_datapage.h Fix common misspellings 2011-03-31 11:26:23 -03:00
vga.h
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vio.h
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xilinx_intc.h
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xilinx_pci.h
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xmon.h
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xor.h
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