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797f4016f6da4a90ac83e32b213b68ff7be3812b
android_kernel_xiaomi_sm8450/arch/powerpc/kernel
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Christophe Leroy 797f4016f6 powerpc/40x: Avoid using r12 in TLB miss handlers 
Let's reduce the number of registers used in TLB miss handlers.

We have both r9 and r12 available for any temporary use.

r9 is enough, avoid using r12.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/7f330e971952abb2645fb9ca4310c0f527e84dcb.1590079969.git.christophe.leroy@csgroup.eu
2020-05-28 23:24:36 +10:00
..
ptrace
powerpc/watchpoint: Use builtin ALIGN*() macros
2020-05-19 00:11:05 +10:00
syscalls
asm-generic: fix unistd_32.h generation format
2020-04-07 10:43:42 -07:00
trace
powerpc: Add a probe_kernel_read_inst() function
2020-05-19 00:10:37 +10:00
vdso32
powerpc/vdso32: Fallback on getres syscall when clock is unknown
2020-05-11 19:24:29 +10:00
vdso64
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
align.c
powerpc: Define and use get_user_instr() et. al.
2020-05-19 00:10:37 +10:00
asm-offsets.c
powerpc/xmon: Move breakpoints to text section
2020-05-19 00:10:36 +10:00
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
powerpc: Prefer __section and __printf from compiler_attributes.h
2020-03-27 00:16:32 +11:00
cacheinfo.c
Merge tag 'powerpc-5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2019-07-13 16:08:36 -07:00
cacheinfo.h
powerpc/cacheinfo: add cacheinfo_teardown, cacheinfo_rebuild
2019-06-15 16:52:06 +10:00
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
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
cpu_setup_44x.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
cpu_setup_fsl_booke.S
powerpc/booke: Spelling s/date/data/
2019-11-17 01:56:31 -06:00
cpu_setup_pa6t.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333
2019-06-05 17:37:06 +02:00
cpu_setup_power.S
powerpc/64s: Set reserved PCR bits
2019-09-21 08:36:53 +10:00
cpu_setup_ppc970.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
cputable.c
powerpc/40x: Remove support for IBM 405GP
2020-05-28 23:24:36 +10:00
crash_dump.c
powerpc: Add prefixed instructions to instruction data type
2020-05-19 00:10:39 +10:00
dawr.c
powerpc/watchpoint: Disable all available watchpoints when !dawr_force_enable
2020-05-19 00:11:05 +10:00
dbell.c
KVM: PPC: Book3S HV: use smp_mb() when setting/clearing host_ipi flag
2019-09-24 12:46:26 +10:00
dma-iommu.c
Merge tag 'powerpc-5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2019-09-20 11:48:06 -07:00
dma-mask.c
dma-mapping, powerpc: simplify the arch dma_set_mask override
2019-02-18 22:41:03 +11:00
dma-swiotlb.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
dt_cpu_ftrs.c
powerpc/64: Setup a paca before parsing device tree etc.
2020-03-25 12:09:37 +11:00
early_32.c
powerpc/fsl_booke/32: implement KASLR infrastructure
2019-11-13 19:27:40 +11:00
eeh_cache.c
powerpc/eeh_cache: Don't use pci_dn when inserting new ranges
2020-01-23 21:31:18 +11:00
eeh_dev.c
powerpc/eeh: Add bdfn field to eeh_dev
2019-08-22 23:12:46 +10:00
eeh_driver.c
powerpc/eeh: Fix deadlock handling dead PHB
2020-02-17 12:47:05 +11:00
eeh_event.c
powerpc/eeh: Fix build with STACKTRACE=n
2019-09-14 00:01:14 +10:00
eeh_pe.c
powerpc/eeh: Clean up EEH PEs after recovery finishes
2019-09-05 14:22:37 +10:00
eeh_sysfs.c
powerpc/eeh_sysfs: Make clearing EEH_DEV_SYSFS saner
2020-01-23 21:31:19 +11:00
eeh.c
powerpc/eeh: Release EEH device state synchronously
2020-05-18 21:58:44 +10:00
entry_32.S
powerpc: Remove IBM405 Erratum #77
2020-05-28 23:24:36 +10:00
entry_64.S
powerpc/64s/kuap: Restore AMR in fast_interrupt_return
2020-05-07 11:00:41 +10:00
epapr_hcalls.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
epapr_paravirt.c
powerpc: Use a datatype for instructions
2020-05-19 00:10:37 +10:00
exceptions-64e.S
powerpc/64s: Implement interrupt exit logic in C
2020-04-01 13:42:14 +11:00
exceptions-64s.S
Merge branch 'fixes' into next
2020-05-26 22:56:03 +10:00
fadump.c
powerpc/fadump: consider reserved ranges while reserving memory
2020-05-04 22:29:58 +10:00
firmware.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
fpu.S
powerpc/32s: Enable CONFIG_VMAP_STACK
2020-01-27 22:37:24 +11:00
fsl_booke_entry_mapping.S
powerpc/fsl_booke/32: implement KASLR infrastructure
2019-11-13 19:27:40 +11:00
head_8xx.S
powerpc/8xx: Map linear memory with huge pages
2020-05-26 22:22:23 +10:00
head_32.h
Merge branch 'fixes' into next
2020-03-10 15:16:42 +11:00
head_32.S
Revert "powerpc/32s: reorder Linux PTE bits to better match Hash PTE bits."
2020-05-20 22:35:52 +10:00
head_40x.S
powerpc/40x: Avoid using r12 in TLB miss handlers
2020-05-28 23:24:36 +10:00
head_44x.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
head_64.S
powerpc/64: Don't initialise init_task->thread.regs
2020-05-15 11:58:54 +10:00
head_booke.h
powerpc: Replace _ALIGN_UP() by ALIGN()
2020-05-11 23:15:15 +10:00
head_fsl_booke.S
powerpc/32: save DEAR/DAR before calling handle_page_fault
2020-01-26 22:15:09 +11:00
hw_breakpoint.c
powerpc/watchpoint: Don't allow concurrent perf and ptrace events
2020-05-19 00:14:45 +10:00
idle_6xx.S
powerpc/6xx: Fix power_save_ppc32_restore() with CONFIG_VMAP_STACK
2020-02-18 21:31:12 +11:00
idle_book3e.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
idle_book3s.S
powerpc/64s: Reimplement power4_idle code in C
2020-01-16 14:59:37 +10:00
idle_e500.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
idle.c
powerpc/64s: Reimplement power4_idle code in C
2020-01-16 14:59:37 +10:00
ima_arch.c
powerpc/ima: Fix secure boot rules in ima arch policy
2020-05-07 17:25:54 +10:00
io-workarounds.c
powerpc/mm: rework io-workaround invocation.
2019-08-27 13:03:34 +10:00
io.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
iomap.c
powerpc: iomap.c: introduce io{read|write}64_{lo_hi|hi_lo}
2018-04-05 14:59:26 +10:00
iommu.c
Merge branch 'topic/ppc-kvm' into next
2019-08-30 09:52:57 +10:00
irq.c
powerpc/64s: Fix doorbell wakeup msgclr optimisation
2020-04-03 00:09:53 +11:00
isa-bridge.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
jump_label.c
powerpc: Use a datatype for instructions
2020-05-19 00:10:37 +10:00
kgdb.c
powerpc: Use a datatype for instructions
2020-05-19 00:10:37 +10:00
kprobes-ftrace.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
kprobes.c
powerpc/kprobes: Don't allow breakpoints on suffixes
2020-05-19 00:11:03 +10:00
kvm_emul.S
powerpc/kvm: Add ifdefs around template code
2019-09-14 00:04:40 +10:00
kvm.c
powerpc/kvm: Explicitly mark kvm guest code as __init
2019-09-14 00:04:40 +10:00
l2cr_6xx.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
legacy_serial.c
tty/serial: Migrate 8250_fsl to use has_sysrq
2019-12-18 15:04:42 +01:00
Makefile
powerpc/64: make buildable without CONFIG_COMPAT
2020-04-03 00:10:00 +11:00
mce_power.c
powerpc: Use a function for reading instructions
2020-05-19 00:10:37 +10:00
mce.c
powerpc/64s: machine check do not trace real-mode handler
2020-05-19 00:10:34 +10:00
misc_32.S
powerpc/40x: Remove support for IBM 403GCX
2020-05-28 23:24:35 +10:00
misc_64.S
Merge branch 'topic/kaslr-book3e32' into next
2019-11-14 19:23:33 +11:00
misc.S
powerpc: Rename current_stack_pointer() to current_stack_frame()
2020-03-04 22:44:28 +11:00
module_32.c
powerpc: module_[32|64].c: replace swap function with built-in one
2020-05-11 23:15:14 +10:00
module_64.c
powerpc: Use a macro for creating instructions from u32s
2020-05-19 00:10:36 +10:00
module.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
module.lds
powerpc/modules: Fix alignment of .toc section in kernel modules
2017-12-11 13:03:35 +11:00
msi.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
note.S
powerpc: Add PowerPC Capabilities ELF note
2019-08-30 09:40:15 +10:00
nvram_64.c
powerpc: Replace _ALIGN_UP() by ALIGN()
2020-05-11 23:15:15 +10:00
of_platform.c
powerpc/eeh: Make early EEH init pseries specific
2020-03-25 12:09:39 +11:00
optprobes_head.S
powerpc: Add prefixed instructions to instruction data type
2020-05-19 00:10:39 +10:00
optprobes.c
powerpc: Add ppc_inst_as_u64()
2020-05-26 23:36:57 +10:00
paca.c
powerpc/64: Prevent stack protection in early boot
2020-03-25 12:09:38 +11:00
pci_32.c
powerpc/64: Adjust order in pcibios_init()
2019-08-22 23:11:48 +10:00
pci_64.c
powerpc: Replace _ALIGN_UP() by ALIGN()
2020-05-11 23:15:15 +10:00
pci_dn.c
powerpc/pcidn: Warn when sriov pci_dn management is used incorrectly
2020-01-23 21:31:19 +11:00
pci_of_scan.c
powerpc/pci: Remove pcibios_setup_bus_devices()
2020-01-06 16:25:29 +11:00
pci-common.c
Merge tag 'powerpc-5.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2020-04-05 11:12:59 -07:00
pci-hotplug.c
powerpc/eeh: Release EEH device state synchronously
2020-05-18 21:58:44 +10:00
pmc.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
ppc32.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
ppc_save_regs.S
powerpc: Improve ppc_save_regs()
2020-04-04 21:40:57 +11:00
proc_powerpc.c
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
process.c
powerpc/watchpoint: Prepare handler to handle more than one watchpoint
2020-05-19 00:14:37 +10:00
prom_init_check.sh
powerpc/prom_init: Undo relocation before entering secure mode
2019-10-29 15:12:17 +11:00
prom_init.c
powerpc: Replace _ALIGN() by ALIGN()
2020-05-11 23:15:16 +10:00
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
prom.c
powerpc: Replace _ALIGN_UP() by ALIGN()
2020-05-11 23:15:15 +10:00
reloc_32.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
reloc_64.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
rtas_flash.c
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
rtas_pci.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
rtas-proc.c
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
rtas-rtc.c
powerpc: use time64_t in read_persistent_clock
2018-06-03 20:43:33 +10:00
rtas.c
powerpc/rtas: allow rescheduling while changing cpu states
2019-08-20 21:22:27 +10:00
rtasd.c
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
secure_boot.c
powerpc: Detect the trusted boot state of the system
2019-11-12 12:25:49 +11:00
security.c
powerpc: Use a macro for creating instructions from u32s
2020-05-19 00:10:36 +10:00
secvar-ops.c
powerpc/powernv: Add OPAL API interface to access secure variable
2019-11-13 00:33:22 +11:00
secvar-sysfs.c
powerpc: expose secure variables to userspace via sysfs
2019-11-13 00:33:22 +11:00
setup_32.c
powerpc/mm: Allocate static page tables for fixmap
2020-05-26 22:22:19 +10:00
setup_64.c
Merge branch 'fixes' into next
2020-05-26 22:56:03 +10:00
setup-common.c
powerpc/40x: Remove support for IBM 403GCX
2020-05-28 23:24:35 +10:00
setup.h
powerpc/64: Prevent stack protection in early boot
2020-03-25 12:09:38 +11:00
signal_32.c
powerpc: Use trap metadata to prevent double restart rather than zeroing trap
2020-05-15 11:58:54 +10:00
signal_64.c
powerpc: Use trap metadata to prevent double restart rather than zeroing trap
2020-05-15 11:58:54 +10:00
signal.c
powerpc/watchpoint: Convert thread_struct->hw_brk to an array
2020-05-19 00:11:05 +10:00
signal.h
powerpc/64/sycall: Implement syscall entry/exit logic in C
2020-04-01 13:42:13 +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
powerpc/smp: Use IS_ENABLED() to avoid #ifdef
2020-03-27 01:15:09 +11:00
stacktrace.c
powerpc: Rename current_stack_pointer() to current_stack_frame()
2020-03-04 22:44:28 +11:00
suspend.c
PM: hibernate: powerpc: Expose pfn_is_nosave() prototype
2019-06-14 10:48:56 +02:00
swsusp_32.S
powerpc/32s: fix suspend/resume when IBATs 4-7 are used
2019-06-19 20:05:07 +10:00
swsusp_64.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 505
2019-06-19 17:11:22 +02:00
swsusp_asm64.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 505
2019-06-19 17:11:22 +02:00
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
swsusp.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sys_ppc32.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
syscall_64.c
powerpc/64: Refactor interrupt exit irq disabling sequence
2020-05-28 23:24:34 +10:00
syscalls.c
y2038: syscalls: change remaining timeval to __kernel_old_timeval
2019-11-15 14:38:29 +01:00
sysfs.c
powerpc/sysfs: Show idle_purr and idle_spurr for every CPU
2020-04-30 12:35:26 +10:00
systbl_chk.sh
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
systbl.S
powerpc/64/sycall: Implement syscall entry/exit logic in C
2020-04-01 13:42:13 +11:00
tau_6xx.c
powerpc/tau: Make some function static
2018-05-25 12:04:44 +10:00
time.c
Revert "powerpc/64: irq_work avoid interrupt when called with hardware irqs enabled"
2020-04-03 16:55:34 +11:00
tm.S
powerpc/tm: update comment about interrupt re-entrancy
2019-07-02 21:39:49 +10:00
traps.c
powerpc: Support prefixed instructions in alignment handler
2020-05-19 00:11:03 +10:00
ucall.S
powerpc/kernel: Add ucall_norets() ultravisor call handler
2019-08-30 09:40:15 +10:00
udbg_16550.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
udbg.c
powerpc/udbg: Make it safe to call udbg_printf() always
2019-10-11 19:33:25 +11:00
uprobes.c
powerpc: Add ppc_inst_next()
2020-05-26 23:36:51 +10:00
vdso.c
powerpc/64: make buildable without CONFIG_COMPAT
2020-04-03 00:10:00 +11:00
vecemu.c
powerpc: Define and use get_user_instr() et. al.
2020-05-19 00:10:37 +10:00
vector.S
powerpc/64s: Implement interrupt exit logic in C
2020-04-01 13:42:14 +11:00
vmlinux.lds.S
powerpc/mm: Don't be too strict with _etext alignment on PPC32
2020-05-26 22:22:22 +10:00
watchdog.c
powerpc/watchdog: Use hrtimers for per-CPU heartbeat
2019-04-30 11:31:02 +10:00