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53ecaa6778d613807e590c320ccfcf48a4114108
linux/arch/powerpc/kernel
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Rohan McLure 53ecaa6778 powerpc/64e: Clarify register saves and clears with {SAVE,ZEROIZE}_GPRS 
The common interrupt handler prologue macro and the bad_stack
trampolines include consecutive sequences of register saves, and some
register clears. Neaten such instances by expanding use of the SAVE_GPRS
macro and employing the ZEROIZE_GPR macro when appropriate.

Also simplify an invocation of SAVE_GPRS targetting all non-volatile
registers to SAVE_NVGPRS.

Signed-off-by: Rohan McLure <rmclure@linux.ibm.com>
Reported-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220921065605.1051927-7-rmclure@linux.ibm.com
2022-09-26 23:00:15 +10:00
..
ptrace
powerpc: Fix all occurences of duplicate words
2022-07-25 12:05:15 +10:00
syscalls
arch: syscalls: simplify uapi/kapi directory creation
2022-03-31 12:03:46 +09:00
trace
powerpc64/ftrace: Fix ftrace for clang builds
2022-08-10 15:38:16 +10:00
vdso
powerpc/vdso: link with -z noexecstack
2022-09-05 17:28:25 +10:00
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
85xx_entry_mapping.S
powerpc: Remove CONFIG_FSL_BOOKE
2022-09-26 22:47:37 +10:00
align.c
powerpc/inst: Define ppc_inst_t
2021-12-09 22:41:21 +11:00
asm-offsets.c
powerpc: Remove CONFIG_PPC_FSL_BOOK3E
2022-09-26 23:00:13 +10:00
audit.c
Revert "powerpc/audit: Convert powerpc to AUDIT_ARCH_COMPAT_GENERIC"
2021-10-27 22:30:32 +11:00
btext.c
powerpc: Fix all occurences of duplicate words
2022-07-25 12:05:15 +10:00
cacheinfo.c
powerpc: Remove asm/prom.h from all files that don't need it
2022-05-08 22:15:04 +10:00
cacheinfo.h
powerpc/cacheinfo: add cacheinfo_teardown, cacheinfo_rebuild
2019-06-15 16:52:06 +10:00
compat_audit.c
Revert "powerpc/audit: Convert powerpc to AUDIT_ARCH_COMPAT_GENERIC"
2021-10-27 22:30:32 +11:00
cpu_setup_6xx.S
powerpc/32: Blacklist functions running with MMU disabled for kprobe
2020-06-02 20:59:11 +10:00
cpu_setup_44x.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
cpu_setup_e500.S
powerpc: Remove CONFIG_PPC_BOOK3E_MMU
2022-09-26 23:00:14 +10:00
cpu_setup_pa6t.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333
2019-06-05 17:37:06 +02:00
cpu_setup_power.c
powerpc/cputable: Move __cpu_setup() prototypes out of cputable.h
2022-09-26 22:26:49 +10:00
cpu_setup_ppc970.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
cpu_specs_8xx.h
powerpc/cputable: Split cpu_specs[] out of cputable.h
2022-09-26 22:47:13 +10:00
cpu_specs_40x.h
powerpc/cputable: Split cpu_specs[] out of cputable.h
2022-09-26 22:47:13 +10:00
cpu_specs_44x.h
powerpc/cputable: Split cpu_specs[] out of cputable.h
2022-09-26 22:47:13 +10:00
cpu_specs_47x.h
powerpc/cputable: Split cpu_specs[] out of cputable.h
2022-09-26 22:47:13 +10:00
cpu_specs_85xx.h
powerpc/cputable: Split cpu_specs[] for mpc85xx and e500mc
2022-09-26 23:00:05 +10:00
cpu_specs_book3s_32.h
powerpc/cputable: Split cpu_specs[] out of cputable.h
2022-09-26 22:47:13 +10:00
cpu_specs_book3s_64.h
powerpc/cputable: Split cpu_specs[] out of cputable.h
2022-09-26 22:47:13 +10:00
cpu_specs_e500mc.h
powerpc/cputable: Split cpu_specs[] for mpc85xx and e500mc
2022-09-26 23:00:05 +10:00
cpu_specs.h
powerpc/cputable: Split cpu_specs[] for mpc85xx and e500mc
2022-09-26 23:00:05 +10:00
cputable.c
powerpc/cputable: Split cpu_specs[] out of cputable.h
2022-09-26 22:47:13 +10:00
crash_dump.c
Merge tag 'powerpc-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2022-05-28 11:27:17 -07:00
dawr.c
powerpc: Include asm/firmware.h in all users of firmware_has_feature()
2022-06-29 16:45:05 +10:00
dbell.c
powerpc/64s/interrupt: Don't enable MSR[EE] in irq handlers unless perf is in use
2021-12-16 21:31:45 +11:00
dma-iommu.c
powerpc/iommu: Report the correct most efficient DMA mask for PCI devices
2021-09-30 17:10:17 +10:00
dma-mask.c
dma-mapping, powerpc: simplify the arch dma_set_mask override
2019-02-18 22:41:03 +11:00
dma-swiotlb.c
swiotlb: add a SWIOTLB_ANY flag to lift the low memory restriction
2022-04-18 07:21:12 +02:00
dt_cpu_ftrs.c
powerpc: move from strlcpy with unused retval to strscpy
2022-08-26 11:02:20 +10:00
early_32.c
powerpc: Move C prototypes out of asm-prototypes.h
2022-03-08 22:06:25 +11:00
eeh_cache.c
powerpc/kernel: Add __init attribute to eligible functions
2021-12-23 22:33:10 +11:00
eeh_driver.c
powerpc: Fix all occurences of duplicate words
2022-07-25 12:05:15 +10:00
eeh_event.c
powerpc: fix typos in comments
2022-05-05 22:12:44 +10:00
eeh_pe.c
powerpc: Fix all occurences of "the the"
2022-05-22 15:59:43 +10:00
eeh_sysfs.c
powerpc: Add missing headers
2022-05-08 22:15:40 +10:00
eeh.c
powerpc: fix typos in comments
2022-05-05 22:12:44 +10:00
entry_32.S
powerpc/32: Clarify interrupt restores with REST_GPR macro in entry_32.S
2022-09-26 23:00:15 +10:00
entry_64.S
powerpc: Remove CONFIG_PPC_BOOK3E
2022-09-26 23:00:13 +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/inst: Define ppc_inst_t
2021-12-09 22:41:21 +11:00
exceptions-64e.S
powerpc/64e: Clarify register saves and clears with {SAVE,ZEROIZE}_GPRS
2022-09-26 23:00:15 +10:00
exceptions-64s.S
powerpc: Fix all occurences of duplicate words
2022-07-25 12:05:15 +10:00
fadump.c
Merge tag 'powerpc-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2022-05-28 11:27:17 -07:00
firmware.c
powerpc: fix unbalanced node refcount in check_kvm_guest()
2021-10-09 00:15:59 +11:00
fpu.S
powerpc/64s/interrupt: handle MSR EE and RI in interrupt entry wrapper
2021-12-16 21:31:45 +11:00
head_8xx.S
powerpc/32: Remove _ENTRY() macro
2022-02-07 21:03:10 +11:00
head_32.h
Merge tag 'powerpc-5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2022-01-14 15:17:26 +01:00
head_40x.S
powerpc/32: Remove _ENTRY() macro
2022-02-07 21:03:10 +11:00
head_44x.S
powerpc/32: Remove _ENTRY() macro
2022-02-07 21:03:10 +11:00
head_64.S
powerpc: Remove CONFIG_PPC_BOOK3E
2022-09-26 23:00:13 +10:00
head_85xx.S
powerpc: Change CONFIG_E500 to CONFIG_PPC_E500
2022-09-26 23:00:13 +10:00
head_book3s_32.S
powerpc/32: Set an IBAT covering up to _einittext during init
2022-07-27 21:36:05 +10:00
head_booke.h
powerpc: Remove CONFIG_PPC_BOOK3E_MMU
2022-09-26 23:00:14 +10:00
hw_breakpoint_constraints.c
powerpc/inst: Define ppc_inst_t
2021-12-09 22:41:21 +11:00
hw_breakpoint.c
powerpc/inst: Define ppc_inst_t
2021-12-09 22:41:21 +11:00
idle_6xx.S
powerpc/mm: Switch obsolete dssall to .long
2021-12-23 22:35:13 +11:00
idle_64e.S
powerpc: Cleanup idle for e500
2022-09-26 23:00:14 +10:00
idle_85xx.S
powerpc: Cleanup idle for e500
2022-09-26 23:00:14 +10:00
idle_book3s.S
powerpc/idle: Don't corrupt back chain when going idle
2021-10-20 21:37:58 +11:00
idle.c
powerpc/idle: Fix return value of __setup() handler
2022-05-04 19:37:46 +10:00
ima_arch.c
powerpc/ima: Fix secure boot rules in ima arch policy
2020-05-07 17:25:54 +10:00
interrupt_64.S
powerpc/64s: Use {ZEROIZE,SAVE,REST}_GPRS macros in sc, scv 0 handlers
2022-09-26 23:00:15 +10:00
interrupt.c
powerpc: Move system_call_exception() to syscall.c
2022-07-28 16:22:15 +10:00
io-workarounds.c
powerpc: Fix reverse map real-mode address lookup with huge vmalloc
2021-05-28 22:54:27 +10:00
io.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
iomap.c
powerpc: inline iomap accessors
2020-12-04 01:01:09 +11:00
iommu.c
powerpc/iommu: Fix iommu_table_in_use for a small default DMA window case
2022-07-28 16:22:13 +10:00
irq_64.c
powerpc/irq64: Remove get_irq_happened()
2022-06-29 16:47:43 +10:00
irq.c
Merge tag 'powerpc-6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2022-08-06 16:38:17 -07:00
isa-bridge.c
powerpc: Add missing headers
2022-05-08 22:15:40 +10:00
jump_label.c
powerpc: Don't use 'struct ppc_inst' to reference instruction location
2021-06-17 00:09:00 +10:00
kdebugfs.c
powerpc: rename powerpc_debugfs_root to arch_debugfs_dir
2021-08-13 22:04:26 +10:00
kgdb.c
powerpc: Remove CONFIG_FSL_BOOKE
2022-09-26 22:47:37 +10:00
kprobes-ftrace.c
ftrace: disable preemption when recursion locked
2021-10-27 11:21:49 -04:00
kprobes.c
powerpc/64: Drop ppc_inst_as_str()
2022-06-29 19:37:07 +10:00
kvm_emul.S
powerpc/kvm: Add ifdefs around template code
2019-09-14 00:04:40 +10:00
kvm.c
powerpc: Remove CONFIG_PPC_BOOK3E_MMU
2022-09-26 23:00:14 +10:00
l2cr_6xx.S
powerpc/mm: Switch obsolete dssall to .long
2021-12-23 22:35:13 +11:00
legacy_serial.c
powerpc/kernel: Add missing of_node_put() in legacy_serial.c
2022-09-05 17:28:26 +10:00
Makefile
powerpc: Cleanup idle for e500
2022-09-26 23:00:14 +10:00
mce_power.c
powerpc/inst: Define ppc_inst_t
2021-12-09 22:41:21 +11:00
mce.c
powerpc/mce: use early_cpu_to_node() in mce_init()
2022-07-27 21:36:04 +10:00
misc_32.S
powerpc: Avoid link stack corruption in misc asm functions
2021-08-25 13:35:47 +10:00
misc_64.S
powerpc: Remove CONFIG_PPC_BOOK3E
2022-09-26 23:00:13 +10:00
misc.S
powerpc: Avoid link stack corruption in misc asm functions
2021-08-25 13:35:47 +10:00
module_32.c
powerpc/modules: Use PPC_LI macros instead of opencoding
2022-05-22 15:58:27 +10:00
module_64.c
powerpc/modules: Use PPC_LI macros instead of opencoding
2022-05-22 15:58:27 +10:00
module.c
powerpc: Replace PPC64_ELF_ABI_v{1/2} by CONFIG_PPC64_ELF_ABI_V{1/2}
2022-05-19 23:11:29 +10:00
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: Add missing headers
2022-05-08 22:15:40 +10:00
of_platform.c
powerpc/eeh: Remove eeh_dev_phb_init_dynamic()
2020-07-26 23:34:19 +10:00
optprobes_head.S
powerpc: flexible GPR range save/restore macros
2021-11-29 23:15:20 +11:00
optprobes.c
powerpc/inst: Define ppc_inst_t as u32 on PPC32
2021-12-09 22:41:21 +11:00
paca.c
powerpc: Remove CONFIG_PPC_BOOK3E
2022-09-26 23:00:13 +10:00
pci_32.c
powerpc/pci: Enable PCI domains in /proc when PCI bus numbers are not unique
2022-08-25 17:47:08 +10:00
pci_64.c
powerpc/pci: Hide pci_device_from_OF_node() for non-powermac code
2022-07-27 21:36:03 +10:00
pci_dn.c
powerpc/pci_dn: Add missing of_node_put()
2022-09-05 17:30:25 +10:00
pci_of_scan.c
powerpc: Add missing headers
2022-05-08 22:15:40 +10:00
pci-common.c
powerpc/pci-common: Fix refcount bug for 'phb->dn'
2022-09-05 17:30:29 +10:00
pci-hotplug.c
powerpc: Add missing headers
2022-05-08 22:15:40 +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
powerpc: Add missing headers
2022-05-08 22:15:40 +10:00
process.c
powerpc: Enable execve syscall exit tracepoint
2022-06-18 10:19:10 +10:00
prom_init_check.sh
powerpc/64: Remove unused prom_init_toc symbols
2022-09-26 20:58:16 +10:00
prom_init.c
powerpc/prom_init: drop PROM_BUG()
2022-09-26 20:58:18 +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/64: Init jump labels before parse_early_param()
2022-08-01 22:21:19 +10:00
reloc_32.S
powerpc: Avoid link stack corruption in misc asm functions
2021-08-25 13:35:47 +10:00
reloc_64.S
powerpc/64: Add UADDR64 relocation support
2022-03-09 21:47:53 +11:00
rtas_entry.S
powerpc/rtas: Fix RTAS MSR[HV] handling for Cell
2022-08-26 08:41:54 +10:00
rtas_flash.c
powerpc: fix typos in comments
2022-05-05 22:12:44 +10:00
rtas_pci.c
powerpc: Add missing headers
2022-05-08 22:15:40 +10:00
rtas-proc.c
powerpc: Add missing headers
2022-05-08 22:15:40 +10:00
rtas-rtc.c
powerpc: Remove asm/prom.h from all files that don't need it
2022-05-08 22:15:04 +10:00
rtas.c
Revert "powerpc/rtas: Implement reentrant rtas call"
2022-09-14 22:43:13 +10:00
rtasd.c
powerpc: Remove asm/prom.h from all files that don't need it
2022-05-08 22:15:04 +10:00
secure_boot.c
powerpc/pseries: Detect secure and trusted boot state of the system.
2020-07-16 14:49:53 +10:00
security.c
powerpc: Remove CONFIG_PPC_FSL_BOOK3E
2022-09-26 23:00:13 +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/secvar: fix refcount leak in format_show()
2022-03-08 22:07:41 +11:00
setup_32.c
powerpc: Change CONFIG_E500 to CONFIG_PPC_E500
2022-09-26 23:00:13 +10:00
setup_64.c
powerpc: Remove CONFIG_PPC_BOOK3E
2022-09-26 23:00:13 +10:00
setup-common.c
Merge tag 'bitmap-6.0-rc1' of https://github.com/norov/linux
2022-08-07 17:52:35 -07:00
setup.h
powerpc: Remove CONFIG_PPC_BOOK3E
2022-09-26 23:00:13 +10:00
signal_32.c
powerpc/signal: Report minimum signal frame size to userspace via AT_MINSIGSTKSZ
2022-05-19 23:11:26 +10:00
signal_64.c
powerpc/signal: Update comment for clarity
2022-07-28 16:22:14 +10:00
signal.c
powerpc/signal: Report minimum signal frame size to userspace via AT_MINSIGSTKSZ
2022-05-19 23:11:26 +10:00
signal.h
powerpc/signal32: Fix sigset_t copy
2021-11-16 21:24:16 +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: Remove CONFIG_PPC_FSL_BOOK3E
2022-09-26 23:00:13 +10:00
stacktrace.c
kprobes: treewide: Make it harder to refer kretprobe_trampoline directly
2021-09-30 21:24:06 -04:00
static_call.c
powerpc/32: Add support for out-of-line static calls
2021-10-22 15:22:05 +11:00
suspend.c
PM: hibernate: powerpc: Expose pfn_is_nosave() prototype
2019-06-14 10:48:56 +02:00
swsusp_32.S
powerpc/mm: Switch obsolete dssall to .long
2021-12-23 22:35:13 +11:00
swsusp_64.c
powerpc/machdep: Remove stale functions from ppc_md structure
2021-10-22 15:22:05 +11:00
swsusp_85xx.S
powerpc: Remove CONFIG_FSL_BOOKE
2022-09-26 22:47:37 +10:00
swsusp_asm64.S
powerpc/mm: Switch obsolete dssall to .long
2021-12-23 22:35:13 +11:00
swsusp.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sys_ppc32.c
powerpc: Remove asmlinkage from syscall handler definitions
2022-09-26 23:00:14 +10:00
syscall.c
powerpc: Save caller r3 prior to system_call_exception
2022-09-26 23:00:14 +10:00
syscalls.c
powerpc: Remove redundant spaces to match coding style
2022-05-04 19:37:46 +10:00
sysfs.c
powerpc: Remove CONFIG_PPC_FSL_BOOK3E
2022-09-26 23:00:13 +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/build: put sys_call_table in .data.rel.ro if RELOCATABLE
2022-09-26 20:58:17 +10:00
tau_6xx.c
powerpc: Move C prototypes out of asm-prototypes.h
2022-03-08 22:06:25 +11:00
time.c
powerpc/pseries: Move dtl scanning and steal time accounting to pseries platform
2022-09-05 14:14:27 +10:00
tm.S
powerpc/tm: Fix more userspace r13 corruption
2022-03-16 11:59:24 +11:00
traps.c
powerpc: Change CONFIG_E500 to CONFIG_PPC_E500
2022-09-26 23:00:13 +10:00
ucall.S
powerpc/kernel: Add ucall_norets() ultravisor call handler
2019-08-30 09:40:15 +10:00
udbg_16550.c
powerpc/microwatt: Remove unused early debug code
2022-09-26 20:58:17 +10:00
udbg.c
isystem: ship and use stdarg.h
2021-08-19 09:02:55 +09:00
uprobes.c
powerpc: Reject probes on instructions that can't be single stepped
2022-05-06 00:00:20 +10:00
vdso32_wrapper.S
powerpc/vdso: Merge vdso64 and vdso32 into a single directory
2022-02-12 22:47:43 +11:00
vdso64_wrapper.S
powerpc/vdso: Merge vdso64 and vdso32 into a single directory
2022-02-12 22:47:43 +11:00
vdso.c
powerpc/vdso: Don't map VDSO at a fixed address on PPC32
2022-08-22 13:36:59 +10:00
vecemu.c
powerpc/inst: Define ppc_inst_t
2021-12-09 22:41:21 +11:00
vector.S
powerpc/64s/interrupt: handle MSR EE and RI in interrupt entry wrapper
2021-12-16 21:31:45 +11:00
vmlinux.lds.S
powerpc: Remove CONFIG_PPC_FSL_BOOK3E
2022-09-26 23:00:13 +10:00
watchdog.c
powerpc/watchdog: introduce a NMI watchdog's factor
2022-07-27 21:36:02 +10:00