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Ram Pai 06bb53b338 powerpc: store and restore the pkey state across context switches 
Store and restore the AMR, IAMR and UAMOR register state of the task
before scheduling out and after scheduling in, respectively.

Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-01-20 22:59:00 +11:00
..
trace powerpc updates for 4.15 2017-11-16 12:47:46 -08:00
vdso32 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
vdso64 powerpc/vdso64: Add support for CLOCK_{REALTIME/MONOTONIC}_COARSE 2017-12-04 15:01:09 +11:00
.gitignore
align.c powerpc: Fix check for copy/paste instructions in alignment handler 2017-10-25 12:42:35 +02:00
asm-offsets.c powerpc/64: Rename soft_enabled to irq_soft_mask 2018-01-19 22:37:01 +11:00
audit.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
btext.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cacheinfo.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
cacheinfo.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
compat_audit.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cpu_setup_6xx.S
cpu_setup_44x.S
cpu_setup_fsl_booke.S
cpu_setup_pa6t.S
cpu_setup_power.S powerpc/64s: Improve local TLB flush for boot and MCE on POWER9 2018-01-18 00:40:31 +11:00
cpu_setup_ppc970.S
cputable.c powerpc/64s: Improve local TLB flush for boot and MCE on POWER9 2018-01-18 00:40:31 +11:00
crash.c powernv/kdump: Fix cases where the kdump kernel can get HMI's 2018-01-16 23:47:11 +11:00
crash_dump.c
dbell.c powerpc: Introduce msgsnd/doorbell barrier primitives 2017-04-13 23:34:33 +10:00
dma-iommu.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
dma-swiotlb.c treewide: Constify most dma_map_ops structures 2017-01-24 12:23:35 -05:00
dma.c powerpc: merge __dma_set_mask into dma_set_mask 2017-06-28 06:54:55 -07:00
dt_cpu_ftrs.c powerpc/64s: Improve local TLB flush for boot and MCE on POWER9 2018-01-18 00:40:31 +11:00
eeh.c powerpc/powernv: Rework EEH initialization on powernv 2017-09-26 11:19:07 +10:00
eeh_cache.c
eeh_dev.c powerpc/eeh: Create PHB PEs after EEH is initialized 2017-09-21 14:56:00 +10:00
eeh_driver.c powerpc/pci: Separate SR-IOV Calls 2017-12-11 13:03:35 +11:00
eeh_event.c
eeh_pe.c powerpc/eeh: Stop using do_gettimeofday() 2017-11-06 17:40:00 +11:00
eeh_sysfs.c powerpc/eeh: Remove unnecessary config_addr from eeh_dev 2017-08-31 14:26:09 +10:00
entry_32.S powerpc/8xx: Only perform perf counting when perf is in use. 2018-01-16 23:47:12 +11:00
entry_64.S powerpc: Add new kconfig CONFIG_PPC_IRQ_SOFT_MASK_DEBUG 2018-01-19 22:37:03 +11:00
epapr_hcalls.S
epapr_paravirt.c
exceptions-64e.S powerpc/64: Rename soft_enabled to irq_soft_mask 2018-01-19 22:37:01 +11:00
exceptions-64s.S powerpc/64s: Add support to mask perf interrupts and replay them 2018-01-19 22:37:02 +11:00
fadump.c powerpc/fadump: use kstrtoint to handle sysfs store 2017-11-13 10:51:38 +11:00
firmware.c
fpu.S
fsl_booke_entry_mapping.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
head_8xx.S powerpc/8xx: Use L1 entry APG to handle _PAGE_ACCESSED for CONFIG_SWAP 2018-01-16 23:47:15 +11:00
head_32.S powerpc: Fix DABR match on hash based systems 2017-11-13 22:12:48 +11:00
head_40x.S
head_44x.S
head_64.S powerpc/64: Rename soft_enabled to irq_soft_mask 2018-01-19 22:37:01 +11:00
head_booke.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
head_fsl_booke.S
hw_breakpoint.c Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/scottwood/linux into next 2017-02-18 21:37:14 +11:00
idle.c
idle_6xx.S
idle_book3e.S powerpc/64: Rename soft_enabled to irq_soft_mask 2018-01-19 22:37:01 +11:00
idle_book3s.S powerpc/64s: Fix Power9 DD2.0 workarounds by adding DD2.1 feature 2017-11-15 14:25:42 +11:00
idle_e500.S
idle_power4.S powerpc/64: Rename soft_enabled to irq_soft_mask 2018-01-19 22:37:01 +11:00
ima_kexec.c
io-workarounds.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
io.c
iomap.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iommu.c powerpc/iommu: Use permission-specific DEVICE_ATTR variants 2017-09-01 16:42:54 +10:00
irq.c powerpc: Add new kconfig CONFIG_PPC_IRQ_SOFT_MASK_DEBUG 2018-01-19 22:37:03 +11:00
isa-bridge.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
jump_label.c
kexec_elf_64.c
kgdb.c powerpc/8xx: Getting rid of remaining use of CONFIG_8xx 2017-08-10 23:32:12 +10:00
kprobes-ftrace.c powerpc/kprobes: Do not disable interrupts for optprobes and kprobes_on_ftrace 2017-11-12 23:51:41 +11:00
kprobes.c powerpc/kprobes: refactor kprobe_lookup_name for safer string operations 2017-11-12 23:51:43 +11:00
kvm.c powerpc/64: Fix watchdog configuration regressions 2017-08-31 14:26:00 +10:00
kvm_emul.S
l2cr_6xx.S powerpc/l2cr_6xx: Fix invalid use of register expressions 2017-08-15 21:04:32 +10:00
legacy_serial.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
machine_kexec.c
machine_kexec_32.c
machine_kexec_64.c powerpc/64s: Replace CONFIG_PPC_STD_MMU_64 with CONFIG_PPC_BOOK3S_64 2017-11-06 16:48:14 +11:00
machine_kexec_file_64.c resource: Provide resource struct in resource walk callback 2017-11-07 15:35:57 +01:00
Makefile powerpc updates for 4.15 2017-11-16 12:47:46 -08:00
mce.c powerpc/mce: hookup memory_failure for UE errors 2017-10-16 23:12:02 +11:00
mce_power.c powerpc/64s: Improve local TLB flush for boot and MCE on POWER9 2018-01-18 00:40:31 +11:00
misc.S
misc_32.S powerpc/40x: Clear MSR_DR in one insn instead of two 2017-06-02 19:20:43 +10:00
misc_64.S powerpc/kexec: Fix kexec/kdump in P9 guest kernels 2017-11-24 16:49:37 +11:00
module.c
module.lds powerpc/modules: Fix alignment of .toc section in kernel modules 2017-12-11 13:03:35 +11:00
module_32.c
module_64.c powerpc/modules: Fix alignment of .toc section in kernel modules 2017-12-11 13:03:35 +11:00
msi.c
nvram_64.c powerpc/nvram: use memdup_user 2017-06-27 17:02:50 -07:00
of_platform.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
optprobes.c powerpc/kprobes: Do not disable interrupts for optprobes and kprobes_on_ftrace 2017-11-12 23:51:41 +11:00
optprobes_head.S powerpc/64: Rename soft_enabled to irq_soft_mask 2018-01-19 22:37:01 +11:00
paca.c powerpc/64s: Relax PACA address limitations 2018-01-18 15:42:48 +11:00
pci-common.c powerpc/pci: Separate SR-IOV Calls 2017-12-11 13:03:35 +11:00
pci-hotplug.c
pci_32.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
pci_64.c powerpc/64s: Replace CONFIG_PPC_STD_MMU_64 with CONFIG_PPC_BOOK3S_64 2017-11-06 16:48:14 +11:00
pci_dn.c powerpc/pci: Separate SR-IOV Calls 2017-12-11 13:03:35 +11:00
pci_of_scan.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
pmc.c
ppc32.h
ppc_save_regs.S
proc_powerpc.c
process.c powerpc: store and restore the pkey state across context switches 2018-01-20 22:59:00 +11:00
prom.c powerpc/mm: Separate ibm, dynamic-memory data from DT format 2018-01-16 23:26:27 +11:00
prom_init.c powerpc/pseries: Enable support of ibm,dynamic-memory-v2 2018-01-16 23:26:30 +11:00
prom_init_check.sh
prom_parse.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ptrace.c powerpc/64: Rename soft_enabled to irq_soft_mask 2018-01-19 22:37:01 +11:00
ptrace32.c
reloc_32.S
reloc_64.S powerpc/asm: Convert .llong directives to .8byte 2017-08-31 14:26:47 +10:00
rtas-proc.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rtas-rtc.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rtas.c locking/arch, powerpc/rtas: Use arch_spin_lock() instead of arch_spin_lock_flags() 2017-10-18 15:15:07 +02:00
rtas_flash.c
rtas_pci.c powerpc/kernel: Change retrieval of pci_dn 2017-08-31 14:26:40 +10:00
rtasd.c powerpc: Only obtain cpu_hotplug_lock if called by rtasd 2017-06-23 09:32:11 +02:00
setup-common.c powerpc: Cosmetic cleanup of cpuinfo_op 2018-01-16 23:47:16 +11:00
setup.h powerpc/64s: Relax PACA address limitations 2018-01-18 15:42:48 +11:00
setup_32.c powerpc/32: remove a NOP from memset() 2017-09-01 16:42:46 +10:00
setup_64.c powerpc/64: Rename soft_enabled to irq_soft_mask 2018-01-19 22:37:01 +11:00
signal.c powerpc/signal: Properly handle return value from uprobe_deny_signal() 2017-11-13 10:53:05 +11:00
signal.h
signal_32.c powerpc: Hard wire PT_SOFTE value to 1 in ptrace & signals 2018-01-19 22:36:54 +11:00
signal_64.c powerpc: Hard wire PT_SOFTE value to 1 in ptrace & signals 2018-01-19 22:36:54 +11:00
smp-tbsync.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
smp.c powernv/kdump: Fix cases where the kdump kernel can get HMI's 2018-01-16 23:47:11 +11:00
stacktrace.c powerpc: Make /proc/self/stack always print the current stack 2017-03-28 14:43:59 +11:00
suspend.c
swsusp.c powerpc/swsusp: Include suspend.h to silence sparse warnings 2017-03-20 19:02:49 +11:00
swsusp_32.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
swsusp_64.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/nmi.h> 2017-03-02 08:42:30 +01:00
swsusp_asm64.S powerpc: Fix invalid use of register expressions 2017-08-10 22:29:41 +10:00
swsusp_booke.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sys_ppc32.c
syscalls.c powerpc/tracing: Allow tracing of mmap syscalls 2017-04-12 22:32:43 +10:00
sysfs.c powerpc/64: Set DSCR default initially from SPR 2017-11-10 22:11:35 +11:00
systbl.S powerpc/asm: Convert .llong directives to .8byte 2017-08-31 14:26:47 +10:00
systbl_chk.c
systbl_chk.sh
tau_6xx.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
time.c powerpc/64: Rename soft_enabled to irq_soft_mask 2018-01-19 22:37:01 +11:00
tm.S powerpc updates for 4.15 2017-11-16 12:47:46 -08:00
traps.c powerpc: System reset avoid interleaving oops using die synchronisation 2018-01-18 00:38:59 +11:00
udbg.c
udbg_16550.c
uprobes.c powerpc/uprobes: Implement arch_uretprobe_is_alive() 2017-08-24 16:19:21 +10:00
vdso.c powerpc/64: Clean up ppc64_caches using a struct per cache 2017-02-06 19:46:04 +11:00
vecemu.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
vector.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
vmlinux.lds.S powerpc/32: Add .data.rel* sections explicitly 2017-12-11 13:03:31 +11:00
watchdog.c powerpc/watchdog: remove arch_trigger_cpumask_backtrace 2018-01-18 15:43:43 +11:00