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Anton Blanchard d900bd7366 powerpc/iommu: Fix multiple issues with IOMMU pools code 
There are a number of issues in the recent IOMMU pools code:

- On a preempt kernel we might switch CPUs in the middle of building
  a scatter gather list. When this happens the handle hint passed in
  no longer falls within the local CPU's pool. Check for this and
  fall back to the pool hint.

- We were missing a spin_unlock/spin_lock in one spot where we
  switch pools.

- We need to provide locking around dart_tlb_invalidate_all and
  dart_tlb_invalidate_one now that the global lock is gone.

Reported-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: <stable@kernel.org> [v3.6]
2012-10-04 18:03:20 +10:00
..
vdso32
powerpc: Add VDSO version of getcpu
2012-07-11 14:18:40 +10:00
vdso64
powerpc: Add VDSO version of getcpu
2012-07-11 14:18:40 +10:00
.gitignore
…
align.c
Disintegrate asm/system.h for PowerPC
2012-03-28 18:30:02 +01:00
asm-offsets.c
Merge branch 'merge' into next
2012-09-07 09:48:59 +10:00
audit.c
…
btext.c
powerpc: various straight conversions from module.h --> export.h
2011-10-31 19:30:44 -04:00
cacheinfo.c
cpu: convert 'cpu' and 'machinecheck' sysdev_class to a regular subsystem
2011-12-21 14:29:42 -08:00
cacheinfo.h
…
clock.c
powerpc: various straight conversions from module.h --> export.h
2011-10-31 19:30:44 -04:00
compat_audit.c
…
cpu_setup_6xx.S
powerpc: Fix some 6xx/7xxx CPU setup functions
2011-02-07 12:57:11 +11:00
cpu_setup_44x.S
powerpc/44x: Add support for the AMCC APM821xx SoC
2010-10-13 08:47:09 -04:00
cpu_setup_a2.S
powerpc: Enforce usage of RA 0-R31 where possible
2012-07-10 19:18:35 +10:00
cpu_setup_fsl_booke.S
powerpc/booke: Add CPU_FTR_EMB_HV check for e5500.
2012-09-12 14:57:09 -05:00
cpu_setup_pa6t.S
…
cpu_setup_power7.S
powerpc, KVM: Split HVMODE_206 cpu feature bit into separate HV and architecture bits
2011-07-12 13:16:58 +03:00
cpu_setup_ppc970.S
powerpc, KVM: Split HVMODE_206 cpu feature bit into separate HV and architecture bits
2011-07-12 13:16:58 +03:00
cputable.c
powerpc/booke: Merge the 32 bit e5500/e500mc cpu setup code.
2012-09-12 14:57:09 -05:00
crash_dump.c
powerpc: Rename mapping based RELOCATABLE to DYNAMIC_MEMSTART for BookE
2011-12-20 10:20:19 -05:00
crash.c
Disintegrate asm/system.h for PowerPC
2012-03-28 18:30:02 +01:00
dbell.c
powerpc: Make sure IPI handlers see data written by IPI senders
2012-09-05 16:05:22 +10:00
dma-iommu.c
powerpc/dma-iommu: Fix IOMMU window check
2012-08-24 20:26:07 +10:00
dma-swiotlb.c
powerpc/swiotlb: Enable at early stage and disable if not necessary
2012-09-12 14:57:09 -05:00
dma.c
powerpc/kernel: Remove uses of abs_to_virt() and virt_to_abs()
2012-09-05 15:19:30 +10:00
entry_32.S
powerpc/kprobe: Complete kprobe and migrate exception frame
2012-09-18 15:32:42 +10:00
entry_64.S
powerpc/kprobe: Complete kprobe and migrate exception frame
2012-09-18 15:32:42 +10:00
epapr_hcalls.S
KVM: PPC: Factor out guest epapr initialization
2012-05-30 11:43:10 +02:00
epapr_paravirt.c
KVM: PPC: Factor out guest epapr initialization
2012-05-30 11:43:10 +02:00
exceptions-64e.S
powerpc/booke: Separate out restore_e5500/setup_e5500 routines.
2012-09-12 14:57:09 -05:00
exceptions-64s.S
powerpc/mm: Add 64TB support
2012-09-17 16:31:51 +10:00
fadump.c
powerpc: Change memory_limit from phys_addr_t to unsigned long long
2012-09-07 11:44:30 +10:00
firmware.c
powerpc: fix implicit use of cache.h in kernel/firmware.c
2011-10-31 19:30:41 -04:00
fpu.S
powerpc: Enforce usage of R0-R31 where possible
2012-07-10 19:18:30 +10:00
fsl_booke_entry_mapping.S
powerpc/fsl-booke: Fix address issue when using relocatable kernels
2010-07-11 11:04:08 -05:00
ftrace.c
powerpc/ftrace: Trace function graph entry before updating index
2012-07-27 11:42:34 +10:00
head_8xx.S
powerpc: Call do_page_fault() with interrupts off
2012-03-09 10:55:08 +11:00
head_32.S
powerpc: Call do_page_fault() with interrupts off
2012-03-09 10:55:08 +11:00
head_40x.S
powerpc: Call do_page_fault() with interrupts off
2012-03-09 10:55:08 +11:00
head_44x.S
Merge branch 'next' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2012-05-24 16:17:30 -07:00
head_64.S
powerpc: Rework lazy-interrupt handling
2012-03-09 13:25:06 +11:00
head_booke.h
KVM: PPC: booke: category E.HV (GS-mode) support
2012-04-08 12:51:19 +03:00
head_fsl_booke.S
powepc/booke: Separate out E.HV check and ivor setup code.
2012-09-12 14:57:08 -05:00
hw_breakpoint.c
powerpc: Dynamically calculate the dabrx based on kernel/user/hypervisor
2012-09-10 09:59:13 +10:00
ibmebus.c
powerpc: Remove all includes of <asm/abs_addr.h>
2012-09-05 15:19:33 +10:00
idle_6xx.S
powerpc: Use CURRENT_THREAD_INFO instead of open coded assembly
2012-07-11 14:18:22 +10:00
idle_book3e.S
powerpc: Use CURRENT_THREAD_INFO instead of open coded assembly
2012-07-11 14:18:22 +10:00
idle_e500.S
powerpc: Use CURRENT_THREAD_INFO instead of open coded assembly
2012-07-11 14:18:22 +10:00
idle_power4.S
powerpc: Use CURRENT_THREAD_INFO instead of open coded assembly
2012-07-11 14:18:22 +10:00
idle_power7.S
powerpc/powernv: Always go into nap mode when CPU is offline
2012-09-05 16:05:20 +10:00
idle.c
powerpc: Remove unused cpu_idle_wait()
2012-05-08 12:35:07 +02:00
io-workarounds.c
powerpc: io-workarounds.c was implicitly getting init_mm
2011-10-31 19:30:37 -04:00
io.c
powerpc: various straight conversions from module.h --> export.h
2011-10-31 19:30:44 -04:00
iomap.c
powerpc: switch to GENERIC_PCI_IOMAP
2011-11-28 21:13:18 +02:00
iommu.c
powerpc/iommu: Fix multiple issues with IOMMU pools code
2012-10-04 18:03:20 +10:00
irq.c
powerpc/trace: Fix interrupt tracepoints vs. RCU
2012-09-17 16:31:54 +10:00
isa-bridge.c
powerpc: Remove FW_FEATURE ISERIES from arch code
2012-03-21 11:16:11 +11:00
jump_label.c
powerpc: Fix build breakage in jump_label.c
2011-11-16 14:25:19 +11:00
kgdb.c
powerpc/kgdb: Restore current_thread_info properly
2012-08-24 20:26:06 +10:00
kprobes.c
Disintegrate asm/system.h for PowerPC
2012-03-28 18:30:02 +01:00
kvm_emul.S
KVM: PPC: Not optimizing MSR_CE and MSR_ME with paravirt.
2012-05-30 11:43:11 +02:00
kvm.c
KVM updates for the 3.6 merge window
2012-07-24 12:01:20 -07:00
l2cr_6xx.S
Fix common misspellings
2011-03-31 11:26:23 -03:00
legacy_serial.c
powerpc: Fix build on some non-freescale platforms
2012-01-25 13:33:22 +11:00
lparcfg.c
Disintegrate asm/system.h for PowerPC
2012-03-28 18:30:02 +01:00
machine_kexec_32.c
treewide: convert uses of ATTRIB_NORETURN to __noreturn
2012-01-12 20:13:03 -08:00
machine_kexec_64.c
treewide: convert uses of ATTRIB_NORETURN to __noreturn
2012-01-12 20:13:03 -08:00
machine_kexec.c
powerpc: Export memory limit via device tree
2012-09-07 11:44:33 +10:00
Makefile
powerpc: Uprobes port to powerpc
2012-09-05 15:35:19 +10:00
misc_32.S
powerpc: Use CURRENT_THREAD_INFO instead of open coded assembly
2012-07-11 14:18:22 +10:00
misc_64.S
powerpc: Fixes for instructions not using correct register naming
2012-07-10 19:18:16 +10:00
misc.S
powerpc: Remove legacy iSeries bits from assembly files
2012-03-09 10:54:59 +11:00
module_32.c
powerpc: Fix kernel panic during kernel module load
2012-06-08 19:59:08 +10:00
module_64.c
modules: make arch's use default loader hooks
2011-07-24 22:06:04 +09:30
module.c
powerpc: remove non-required uses of include <linux/module.h>
2011-10-31 19:30:44 -04:00
msi.c
…
nvram_64.c
powerpc/nvram: Generalize code for OS partitions in NVRAM
2011-03-04 18:19:04 +11:00
of_platform.c
powerpc/eeh: Introduce EEH device
2012-03-09 11:39:29 +11:00
paca.c
powerpc: Initialise paca.data_offset with poison
2012-09-10 09:35:27 +10:00
pci_32.c
powerpc/PCI: compute I/O space bus-to-resource offset consistently
2012-03-20 10:41:44 -07:00
pci_64.c
PCI: replace struct pci_bus secondary/subordinate with busn_res
2012-06-13 15:42:22 -06:00
pci_dn.c
powerpc/powernv: PCI support for p7IOC under OPAL v2
2011-11-25 14:53:15 +11:00
pci_of_scan.c
PCI changes for the 3.6 merge window:
2012-07-24 16:17:07 -07:00
pci-common.c
Merge remote-tracking branch 'pci/pci/gavin-window-alignment' into next
2012-09-17 16:07:43 +10:00
pmc.c
bug.h: add include of it to various implicit C users
2012-02-29 17:15:08 -05:00
ppc32.h
…
ppc_ksyms.c
powerpc: Use the new generic strncpy_from_user() and strnlen_user()
2012-05-27 21:00:07 -07:00
ppc_save_regs.S
Fix common misspellings
2011-03-31 11:26:23 -03:00
proc_powerpc.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
process.c
powerpc: Rework set_dabr so it can take a DABRX value as well
2012-09-10 09:59:10 +10:00
prom_init_check.sh
powerpc/powernv: Get kernel command line accross OPAL takeover
2011-09-20 16:09:48 +10:00
prom_init.c
powerpc: Rename 64-bit PVR constants to PVR_foo
2012-09-05 15:19:35 +10:00
prom_parse.c
powerpc: remove non-required uses of include <linux/module.h>
2011-10-31 19:30:44 -04:00
prom.c
powerpc: Change memory_limit from phys_addr_t to unsigned long long
2012-09-07 11:44:30 +10:00
ptrace32.c
powerpc: Remove old powerpc specific ptrace getregs/setregs calls
2012-04-30 15:37:28 +10:00
ptrace.c
powerpc: Rework set_dabr so it can take a DABRX value as well
2012-09-10 09:59:10 +10:00
reloc_32.S
powerpc: Process dynamic relocations for kernel
2011-12-20 10:21:08 -05:00
reloc_64.S
…
rtas_flash.c
powerpc/kernel: Remove uses of abs_to_virt() and virt_to_abs()
2012-09-05 15:19:30 +10:00
rtas_pci.c
powerpc/eeh: Trace eeh device from I/O cache
2012-09-10 09:35:44 +10:00
rtas-proc.c
powerpc: Move /proc/ppc64 to /proc/powerpc update
2010-01-15 13:26:17 +11:00
rtas-rtc.c
powerpc/rtas-rtc: remove sideeffects of printk_ratelimit
2011-06-29 15:30:43 +10:00
rtas.c
Disintegrate and delete asm/system.h
2012-03-28 15:58:21 -07:00
rtasd.c
powerpc/pseries: Cancel RTAS event scan before firmware flash
2011-11-25 14:11:29 +11:00
setup_32.c
powerpc/watchdog: move booke watchdog param related code to setup-common.c
2012-07-11 07:44:03 -05:00
setup_64.c
powerpc: Set paca->data_offset = 0 for boot cpu
2012-09-27 12:51:06 +10:00
setup-common.c
powerpc/watchdog: move booke watchdog param related code to setup-common.c
2012-07-11 07:44:03 -05:00
setup.h
…
signal_32.c
powerpc: get rid of restore_sigmask()
2012-06-01 12:58:51 -04:00
signal_64.c
powerpc: get rid of restore_sigmask()
2012-06-01 12:58:51 -04:00
signal.c
powerpc: Rework set_dabr so it can take a DABRX value as well
2012-09-10 09:59:10 +10:00
signal.h
powerpc: get rid of restore_sigmask()
2012-06-01 12:58:51 -04:00
smp-tbsync.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
smp.c
powerpc/smp: Do not disable IPI interrupts during suspend
2012-09-19 08:38:16 -05:00
softemu8xx.c
Disintegrate asm/system.h for PowerPC
2012-03-28 18:30:02 +01:00
stacktrace.c
powerpc: various straight conversions from module.h --> export.h
2011-10-31 19:30:44 -04:00
suspend.c
update email address
2010-07-19 10:56:54 +02:00
swsusp_32.S
Fix common misspellings
2011-03-31 11:26:23 -03:00
swsusp_64.c
Disintegrate asm/system.h for PowerPC
2012-03-28 18:30:02 +01:00
swsusp_asm64.S
…
swsusp_booke.S
powerpc/fsl-booke: Add hibernation support for FSL BookE processors
2010-05-21 07:41:53 -05:00
swsusp.c
Disintegrate asm/system.h for PowerPC
2012-03-28 18:30:02 +01:00
sys_ppc32.c
Disintegrate asm/system.h for PowerPC
2012-03-28 18:30:02 +01:00
syscalls.c
powerpc: Fix personality handling in ppc64_personality()
2012-08-24 20:26:07 +10:00
sysfs.c
powerpc: Keep thread.dscr and thread.dscr_inherit in sync
2012-09-05 16:05:21 +10:00
systbl_chk.c
…
systbl_chk.sh
…
systbl.S
…
tau_6xx.c
tree-wide: fix assorted typos all over the place
2009-12-04 15:39:55 +01:00
time.c
powerpc/trace: Fix interrupt tracepoints vs. RCU
2012-09-17 16:31:54 +10:00
traps.c
Merge branch 'merge' into next
2012-09-07 09:48:59 +10:00
udbg_16550.c
powerpc: Add early debug for WSP platforms
2011-05-06 13:32:41 +10:00
udbg.c
powerpc: Random little legacy iSeries removal tidy ups
2012-03-28 11:33:23 +11:00
uprobes.c
powerpc: Uprobes port to powerpc
2012-09-05 15:35:19 +10:00
vdso.c
powerpc: Restore VDSO information on critical exception om BookE
2012-09-07 09:48:49 +10:00
vecemu.c
…
vector.S
powerpc: Optimise enable_kernel_altivec
2012-04-30 15:37:17 +10:00
vio.c
powerpc: Remove all includes of <asm/abs_addr.h>
2012-09-05 15:19:33 +10:00
vmlinux.lds.S
powerpc: Remove legacy iSeries bits from assembly files
2012-03-09 10:54:59 +11:00