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9b14a1ff86
linux/arch/powerpc/kernel
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Alexey Kardashevskiy 9b14a1ff86 vfio: powerpc/spapr: Move page pinning from arch code to VFIO IOMMU driver 
This moves page pinning (get_user_pages_fast()/put_page()) code out of
the platform IOMMU code and puts it to VFIO IOMMU driver where it belongs
to as the platform code does not deal with page pinning.

This makes iommu_take_ownership()/iommu_release_ownership() deal with
the IOMMU table bitmap only.

This removes page unpinning from iommu_take_ownership() as the actual
TCE table might contain garbage and doing put_page() on it is undefined
behaviour.

Besides the last part, the rest of the patch is mechanical.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
[aw: for the vfio related changes]
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2015-06-11 15:14:55 +10:00
..
vdso32 powerpc: 32 bit getcpu VDSO function uses 64 bit instructions 2014-11-27 09:42:12 +11:00
vdso64 powerpc/booke64: Use SPRG7 for VDSO 2014-03-19 19:57:14 -05:00
.gitignore
align.c powerpc: Remove double braces in alignment code. 2014-11-10 09:59:32 +11:00
asm-offsets.c powerpc/kernel: Rename PACA_DSCR to PACA_DSCR_DEFAULT 2015-06-07 19:29:00 +10:00
audit.c
btext.c powerpc/btext: Fix CONFIG_PPC_EARLY_DEBUG_BOOTX on ppc32 2013-08-27 16:01:23 +10:00
cacheinfo.c powerpc: Fix missing L2 cache size in /sys/devices/system/cpu 2015-04-11 20:49:28 +10:00
cacheinfo.h
compat_audit.c
cpu_setup_6xx.S
cpu_setup_44x.S
cpu_setup_fsl_booke.S powerpc/booke: Restrict SPE exception handlers to e200/e500 cores 2014-09-22 10:11:31 +02:00
cpu_setup_pa6t.S
cpu_setup_power.S powerpc/book3s: Fix flush_tlb cpu_spec hook to take a generic argument. 2015-03-17 07:52:48 +11:00
cpu_setup_ppc970.S
cputable.c powerpc updates for 4.1 2015-04-16 13:53:32 -05:00
crash_dump.c powerpc: Remove superfluous bootmem includes 2014-11-10 09:59:26 +11:00
crash.c arch,powerpc: Convert smp_mb__*() 2014-04-18 14:20:41 +02:00
dbell.c powerpc/powernv: Fixes for hypervisor doorbell handling 2015-03-20 14:51:53 +11:00
dma-iommu.c powerpc/iommu: Rename iommu_[un]map_sg functions 2014-11-18 11:30:01 +01:00
dma-swiotlb.c powerpc: fsl_pci, swiotlb: Move controller ops from ppc_md to controller_ops 2015-04-11 20:49:17 +10:00
dma.c powerpc/pci: add dma_set_mask to pci_controller_ops 2015-06-02 13:18:49 +10:00
eeh_cache.c powerpc/eeh: fix start/end/flags type in struct pci_io_addr_range{} 2015-05-13 14:00:07 +10:00
eeh_dev.c powerpc/eeh: Create eeh_dev from pci_dn instead of device_node 2015-03-24 13:15:51 +11:00
eeh_driver.c powerpc/eeh: fix comment for wait_state() 2015-05-13 14:00:07 +10:00
eeh_event.c powerpc/powernv: Fix killed EEH event 2014-06-11 17:04:33 +10:00
eeh_pe.c powerpc/eeh: Fix PE#0 check in eeh_add_to_parent_pe() 2015-03-31 13:10:39 +11:00
eeh_sysfs.c powerpc/eeh: Fix PE state format 2014-11-27 09:32:58 +11:00
eeh.c powerpc/eeh/ioda2: Use device::iommu_group to check IOMMU group 2015-06-11 15:14:54 +10:00
entry_32.S powerpc: Remove old compile time disabled syscall tracing code 2015-02-02 14:51:32 +11:00
entry_64.S powerpc/kernel: Rename PACA_DSCR to PACA_DSCR_DEFAULT 2015-06-07 19:29:00 +10:00
epapr_hcalls.S powerpc: Add paravirt idle loop for 64-bit Book-E 2013-03-13 14:19:36 -05:00
epapr_paravirt.c Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2014-06-10 18:54:22 -07:00
exceptions-64e.S powerpc/booke: Revert SPE/AltiVec common defines for interrupt numbers 2014-09-22 10:11:31 +02:00
exceptions-64s.S powerpc: Non relocatable system call doesn't need a trampoline 2015-06-02 13:26:47 +10:00
fadump.c powerpc/fadump: Fix endianess issues in firmware assisted dump handling 2014-10-30 16:52:46 +11:00
firmware.c
fpu.S powerpc: Don't corrupt transactional state when using FP/VMX in kernel 2014-01-15 13:59:11 +11:00
fsl_booke_entry_mapping.S powerpc: enable the relocatable support for the fsl booke 32bit kernel 2014-01-09 17:52:16 -06:00
ftrace.c powerpc updates for 3.19 2014-12-11 17:48:14 -08:00
head_8xx.S powerpc/8xx: Remove duplicated code in set_context() 2015-01-29 21:59:02 -06:00
head_32.S
head_40x.S powerpc: Remove check for CONFIG_SERIAL_TEXT_DEBUG 2014-06-11 16:31:21 +10:00
head_44x.S powerpc/ppc476: Disable BTAC 2014-08-13 15:13:42 +10:00
head_64.S Merge remote-tracking branch 'scott/next' into next 2014-08-05 14:13:41 +10:00
head_booke.h powerpc: Fix interrupt range check on debug exception 2013-05-02 10:31:01 +10:00
head_fsl_booke.S powerpc/booke: Revert SPE/AltiVec common defines for interrupt numbers 2014-09-22 10:11:31 +02:00
hw_breakpoint.c powerpc: Replace __get_cpu_var uses 2014-11-03 12:12:32 +11:00
ibmebus.c powerpc: make of_device_ids const 2014-09-25 23:14:46 +10:00
idle_6xx.S
idle_book3e.S powerpc: No need to use dot symbols when branching to a function 2014-04-23 10:05:16 +10:00
idle_e500.S
idle_power4.S powerpc: No need to use dot symbols when branching to a function 2014-04-23 10:05:16 +10:00
idle_power7.S powerpc/powernv: Restore non-volatile CRs after nap 2015-05-01 16:55:11 +10:00
idle.c powerpc/idle: Convert use of typedef ctl_table to struct ctl_table 2013-07-01 11:10:35 +10:00
io-workarounds.c powerpc/mm/thp: Make page table walk safe against thp split/collapse 2015-04-17 11:23:39 +10:00
io.c powerpc/powernv: Add PIO accessors for Power8 LPC bus 2013-08-14 14:58:08 +10:00
iomap.c powerpc/kerenl: Enable EEH for IO accessors 2014-06-24 12:43:13 +10:00
iommu.c vfio: powerpc/spapr: Move page pinning from arch code to VFIO IOMMU driver 2015-06-11 15:14:55 +10:00
irq.c powerpc: Remove superfluous bootmem includes 2014-11-10 09:59:26 +11:00
isa-bridge.c POWERPC: drivers: remove __dev* attributes. 2013-01-03 15:57:04 -08:00
jump_label.c
kgdb.c powerpc: Replace __get_cpu_var uses 2014-11-03 12:12:32 +11:00
kprobes.c powerpc: Replace __get_cpu_var uses 2014-11-03 12:12:32 +11:00
kvm_emul.S
kvm.c At over 200 commits, covering almost all supported architectures, this 2014-06-04 08:47:12 -07:00
l2cr_6xx.S
legacy_serial.c powerpc: make of_device_ids const 2014-09-25 23:14:46 +10:00
machine_kexec_32.c
machine_kexec_64.c kexec: add IND_FLAGS macro 2015-02-17 14:34:51 -08:00
machine_kexec.c powerpc: Fix endian issues in kexec and crash dump code 2014-02-11 11:24:52 +11:00
Makefile powerpc/vdso: Disable building the 32-bit VDSO on little endian 2015-05-11 20:01:02 +10:00
mce_power.c powerpc/book3s: Fix flush_tlb cpu_spec hook to take a generic argument. 2015-03-17 07:52:48 +11:00
mce.c powerpc: Replace __get_cpu_var uses 2014-11-03 12:12:32 +11:00
misc_32.S powerpc: Set the correct ksp_limit on ppc32 when switching to irq stack 2014-02-17 11:19:34 +11:00
misc_64.S powerpc: module: handle MODVERSION for .TOC. 2014-04-23 10:05:28 +10:00
misc.S powerpc: Rename __get_SP() to current_stack_pointer() 2014-10-15 11:23:20 +11:00
module_32.c powerpc: Use pr_fmt in module loader code 2014-10-02 17:33:54 +10:00
module_64.c powerpc: Use pr_fmt in module loader code 2014-10-02 17:33:54 +10:00
module.c powerpc: Move local setup.h declarations to arch includes 2013-10-30 16:00:31 +11:00
msi.c powerpc: Remove MSI-related PCI controller ops from ppc_md 2015-06-02 11:47:45 +10:00
nvram_64.c powerpc/rtas: Make timestamp related code y2038-safe 2015-03-23 14:06:11 +11:00
of_platform.c powerpc/eeh: Do probe on pci_dn 2015-03-24 13:15:52 +11:00
paca.c powerpc/kernel: Avoid memory corruption at early stage 2015-01-23 14:02:52 +11:00
pci_32.c powerpc: Remove more traces of bootmem 2014-11-19 21:41:51 +11:00
pci_64.c powerpc updates for 3.19 2014-12-11 17:48:14 -08:00
pci_dn.c powerpc/powernv: Shift VF resource with an offset 2015-03-31 13:02:38 +11:00
pci_of_scan.c powerpc: Remove shims for pci_controller_ops operations 2015-04-11 20:49:18 +10:00
pci-common.c powerpc/pci: Add pcibios_disable_device() hook 2015-06-03 13:27:16 +10:00
pci-hotplug.c powerpc/pci: Add release_device() hook to phb ops 2015-06-03 13:27:15 +10:00
pmc.c
ppc32.h powerpc: switch to generic old sigaction() 2013-02-03 18:16:10 -05:00
ppc_ksyms_32.c powerpc: Separate ppc32 symbol exports into ppc_ksyms_32.c 2014-09-25 23:14:40 +10:00
ppc_ksyms.c powerpc: Rename __get_SP() to current_stack_pointer() 2014-10-15 11:23:20 +11:00
ppc_save_regs.S
proc_powerpc.c proc_powerpc: switch to fixed_size_llseek() 2013-06-29 12:57:50 +04:00
process.c powerpc/kernel: Remove the unused extern dscr_default 2015-06-07 19:27:26 +10:00
prom_init_check.sh powerpc: Simplify symbol check in prom_init_check.sh 2014-09-25 23:14:46 +10:00
prom_init.c powerpc: Reword the "returning from prom_init" message 2015-04-10 20:02:48 +10:00
prom_parse.c powerpc: of_parse_dma_window should take a __be32 *dma_window 2013-08-14 15:33:26 +10:00
prom.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2015-04-14 09:50:27 -07:00
ptrace32.c powerpc: move debug registers in a structure 2013-10-18 18:44:49 -05:00
ptrace.c Merge git://git.infradead.org/users/eparis/audit 2014-10-19 16:25:56 -07:00
reloc_32.S powerpc: Don't flush/invalidate the d/icache for an unknown relocation type 2013-07-01 11:10:34 +10:00
reloc_64.S powerpc: Align p_dyn, p_rela and p_st symbols 2014-03-07 13:50:19 +11:00
rtas_flash.c powerpc: Fix endianness of flash_block_list in rtas_flash 2014-07-28 11:30:54 +10:00
rtas_pci.c powerpc: move find_and_init_phbs() to pSeries specific code 2015-04-11 20:49:09 +10:00
rtas-proc.c powerpc: LLVM complains about forward declaration of struct rtas_sensors 2014-11-10 09:59:32 +11:00
rtas-rtc.c
rtas.c powerpc: Replace mem_init_done with slab_is_available() 2015-04-10 20:02:48 +10:00
rtasd.c powerpc: Make a bunch of things static 2014-09-25 23:14:41 +10:00
setup_32.c powerpc: Remove unused vgacon_remap_base & fix build break 2014-11-10 09:59:31 +11:00
setup_64.c powerpc: Show utsname->machine in boot-up banner 2015-05-11 19:55:54 +10:00
setup-common.c powerpc: Convert power off logic to pm_power_off 2014-11-03 12:12:51 +11:00
signal_32.c all arches, signal: move restart_block to struct task_struct 2015-02-12 18:54:12 -08:00
signal_64.c all arches, signal: move restart_block to struct task_struct 2015-02-12 18:54:12 -08:00
signal.c powerpc: Use sigsp() 2014-08-06 13:04:32 +02:00
signal.h powerpc: Use get_signal() signal_setup_done() 2014-08-06 13:03:09 +02:00
smp-tbsync.c powerpc: Delete non-required instances of include <linux/init.h> 2014-01-15 13:46:44 +11:00
smp.c powerpc/smp: Wait until secondaries are active & online 2015-03-04 13:19:33 +11:00
stacktrace.c powerpc: Rename __get_SP() to current_stack_pointer() 2014-10-15 11:23:20 +11:00
suspend.c nosave: consolidate __nosave_{begin,end} in <asm/sections.h> 2014-10-09 22:26:04 -04:00
swsusp_32.S
swsusp_64.c
swsusp_asm64.S powerpc: Only save/restore SDR1 if in hypervisor mode 2013-10-31 12:37:29 +11:00
swsusp_booke.S powerpc/fsl-booke: Use SPRN_SPRGn rather than mfsprg/mtsprg 2014-01-07 19:06:03 -06:00
swsusp.c
sys_ppc32.c unify compat fanotify_mark(2), switch to COMPAT_SYSCALL_DEFINE 2013-05-09 13:46:38 -04:00
syscalls.c powerpc: Add a proper syscall for switching endianness 2015-03-28 22:03:40 +11:00
sysfs.c powerpc/dscr: Add some in-code documentation 2015-06-07 19:29:15 +10:00
systbl_chk.c powerpc: Add a proper syscall for switching endianness 2015-03-28 22:03:40 +11:00
systbl_chk.sh
systbl.S powerpc: Add a proper syscall for switching endianness 2015-03-28 22:03:40 +11:00
tau_6xx.c
time.c KVM: PPC: Book3S HV: Accumulate timing information for real-mode code 2015-04-21 15:21:31 +02:00
tm.S powerpc/kernel: Rename PACA_DSCR to PACA_DSCR_DEFAULT 2015-06-07 19:29:00 +10:00
traps.c powerpc: Fix handling of DSCR related facility unavailable exception 2015-06-07 19:19:57 +10:00
udbg_16550.c powerpc: Fix bad NULL pointer check in udbg_uart_getc_poll() 2014-11-12 13:47:20 +11:00
udbg.c powerpc: Remove the celleb support 2015-04-07 17:15:13 +10:00
uprobes.c uprobes/powerpc: Kill arch_uprobe->ainsn 2013-11-20 16:31:01 +01:00
vdso.c powerpc/vdso: Disable building the 32-bit VDSO on little endian 2015-05-11 20:01:02 +10:00
vecemu.c powerpc: Put FP/VSX and VR state into structures 2013-10-11 17:26:49 +11:00
vector.S powerpc: Change vrX register defines to vX to match gcc and glibc 2015-03-16 18:32:11 +11:00
vio.c arch/powerpc: replace obsolete strict_strto* calls 2014-08-08 15:57:28 -07:00
vmlinux.lds.S powerpc/modules: Module CRC relocation fix causes perf issues 2013-07-24 14:18:43 +10:00