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209e9d500e25eada096b2c09a34093bc458166f3
kernel_arpi/arch/powerpc/kernel
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Nicholas Piggin 209e9d500e powerpc: introduce die_mce 
As explained by commit daf00ae71d ("powerpc/traps: restore
recoverability of machine_check interrupts"), die() can't be called from
within nmi_enter to nicely kill a process context that was interrupted.
nmi_exit must be called first.

This adds a function die_mce which takes care of this for machine check
handlers.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210130130852.2952424-24-npiggin@gmail.com
2021-02-09 00:02:11 +11:00
..
ptrace
powerpc/ptrace-view: Use pt_regs values instead of thread_struct based one.
2020-12-04 01:01:26 +11:00
syscalls
epoll: wire up syscall epoll_pwait2
2020-12-19 11:18:38 -08:00
trace
powerpc: Add a ppc_inst_as_str() helper
2020-07-23 17:41:36 +10:00
vdso32
powerpc/vdso: Don't pass 64-bit ABI cflags to 32-bit VDSO
2020-12-21 22:06:26 +11:00
vdso64
powerpc/vdso: Block R_PPC_REL24 relocations
2020-12-21 22:06:25 +11:00
.gitignore
…
align.c
powerpc: Use fallthrough pseudo-keyword
2020-07-29 21:09:37 +10:00
asm-offsets.c
powerpc/book3s64/pkeys: Store/restore userspace AMR/IAMR correctly on entry and exit from kernel
2020-12-04 01:01:25 +11:00
audit.c
…
btext.c
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
cacheinfo.c
powerpc/cacheinfo: Print correct cache-sibling map/list for L2 cache
2020-12-11 00:10:25 +11:00
cacheinfo.h
…
compat_audit.c
…
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
…
cpu_setup_fsl_booke.S
powerpc: Retire e200 core (mpc555x processor)
2020-12-05 21:49:18 +11:00
cpu_setup_pa6t.S
…
cpu_setup_power.c
powerpc/perf: MMCR0 control for PMU registers under PMCC=00
2020-12-04 01:01:29 +11:00
cpu_setup_ppc970.S
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cputable.c
powerpc/32s: Make support for 603 and 604+ selectable
2020-12-09 16:48:59 +11:00
crash_dump.c
powerpc: Add prefixed instructions to instruction data type
2020-05-19 00:10:39 +10:00
dawr.c
powerpc/watchpoint: Guest support for 2nd DAWR hcall
2020-07-26 23:34:19 +10:00
dbell.c
powerpc: Inline doorbell sending functions
2020-07-29 21:02:09 +10:00
dma-iommu.c
powerpc/dma: Fallback to dma_ops when persistent memory present
2020-11-27 10:33:42 +01:00
dma-mask.c
…
dma-swiotlb.c
…
dt_cpu_ftrs.c
powerpc/64s: Remove idle workaround code from restore_cpu_cpufeatures
2020-12-10 23:13:26 +11:00
early_32.c
…
eeh_cache.c
powerpc/eeh_cache: Fix a possible debugfs deadlock
2020-11-02 12:54:20 +11:00
eeh_driver.c
Merge tag 'pci-v5.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
2020-08-07 18:48:15 -07:00
eeh_event.c
…
eeh_pe.c
powerpc/eeh: Delete eeh_pe->config_addr
2020-10-07 22:34:47 +11:00
eeh_sysfs.c
powerpc/eeh: Pass eeh_dev to eeh_ops->resume_notify()
2020-07-26 23:34:20 +10:00
eeh.c
powerpc/eeh: Add a debugfs interface to check if a driver supports recovery
2021-01-31 22:35:47 +11:00
entry_32.S
powerpc: bad_page_fault get registers from regs
2021-02-09 00:02:09 +11:00
entry_64.S
powerpc/64s: Remove MSR[ISF] bit
2020-12-09 23:48:14 +11:00
epapr_hcalls.S
…
epapr_paravirt.c
powerpc: Use a datatype for instructions
2020-05-19 00:10:37 +10:00
exceptions-64e.S
powerpc: bad_page_fault get registers from regs
2021-02-09 00:02:09 +11:00
exceptions-64s.S
powerpc: add and use unknown_async_exception
2021-02-09 00:02:11 +11:00
fadump.c
Merge tag 'powerpc-5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2020-10-16 12:21:15 -07:00
firmware.c
powerpc: Reintroduce is_kvm_guest() as a fast-path check
2020-12-04 01:01:22 +11:00
fpu.S
powerpc: Drop SYNC_601() ISYNC_601() and SYNC()
2020-10-08 21:17:13 +11:00
fsl_booke_entry_mapping.S
…
head_8xx.S
powerpc: do_break get registers from regs
2021-02-09 00:02:09 +11:00
head_32.h
powerpc/32: Fix vmap stack - Properly set r1 before activating MMU on syscall too
2020-12-21 22:24:00 +11:00
head_40x.S
powerpc: DebugException remove args
2021-02-09 00:02:09 +11:00
head_44x.S
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
head_64.S
powerpc/64s: Remove MSR[ISF] bit
2020-12-09 23:48:14 +11:00
head_book3s_32.S
powerpc: add and use unknown_async_exception
2021-02-09 00:02:11 +11:00
head_booke.h
powerpc: DebugException remove args
2021-02-09 00:02:09 +11:00
head_fsl_booke.S
powerpc/fsl_booke/32: CacheLockingException remove args
2021-02-09 00:02:09 +11:00
hw_breakpoint_constraints.c
powerpc/watchpoint: Move DAWR detection logic outside of hw_breakpoint.c
2020-09-15 22:13:19 +10:00
hw_breakpoint.c
powerpc/watchpoint: Workaround P10 DD1 issue with VSX-32 byte instructions
2020-12-11 00:09:10 +11:00
idle_6xx.S
powerpc/32: Blacklist functions running with MMU disabled for kprobe
2020-06-02 20:59:11 +10:00
idle_book3e.S
…
idle_book3s.S
…
idle_e500.S
powerpc/32: Blacklist functions running with MMU disabled for kprobe
2020-06-02 20:59:11 +10:00
idle.c
sched/idle: Fix arch_cpu_idle() vs tracing
2020-11-24 16:47:35 +01:00
ima_arch.c
powerpc/ima: Fix secure boot rules in ima arch policy
2020-05-07 17:25:54 +10:00
io-workarounds.c
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
io.c
…
iomap.c
powerpc: inline iomap accessors
2020-12-04 01:01:09 +11:00
iommu.c
powerpc/iommu/debug: Add debugfs entries for IOMMU tables
2021-01-30 11:39:31 +11:00
irq.c
powerpc/64: irq replay remove decrementer overflow check
2020-12-09 23:48:15 +11:00
isa-bridge.c
powerpc: remove __ioremap_at and __iounmap_at
2020-06-02 10:59:10 -07:00
jump_label.c
powerpc: Use a datatype for instructions
2020-05-19 00:10:37 +10:00
kgdb.c
maccess: make get_kernel_nofault() check for minimal type compatibility
2020-06-18 12:10:37 -07:00
kprobes-ftrace.c
ftrace: Have the callbacks receive a struct ftrace_regs instead of pt_regs
2020-11-13 12:14:55 -05:00
kprobes.c
powerpc: kprobes: Use generic kretprobe trampoline handler
2020-09-08 11:52:34 +02:00
kvm_emul.S
…
kvm.c
…
l2cr_6xx.S
powerpc: Drop SYNC_601() ISYNC_601() and SYNC()
2020-10-08 21:17:13 +11:00
legacy_serial.c
…
Makefile
powerpc: Avoid broken GCC __attribute__((optimize))
2020-11-19 14:50:14 +11:00
mce_power.c
powerpc/64s/pseries: Add ERAT specific machine check handler
2020-12-04 01:01:23 +11:00
mce.c
powerpc/mce: Remove per cpu variables from MCE handlers
2021-01-31 22:35:49 +11:00
misc_32.S
powerpc: Rewrite FSL_BOOKE flush_cache_instruction() in C
2020-09-02 11:00:21 +10:00
misc_64.S
powerpc: Remove SYNC on non 6xx
2020-10-08 21:17:12 +11:00
misc.S
powerpc/32: Blacklist functions running with MMU disabled for kprobe
2020-06-02 20:59:11 +10:00
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
maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault
2020-06-17 10:57:41 -07:00
module.c
powerpc: Use MODULES_VADDR if defined
2020-07-27 00:01:30 +10:00
msi.c
…
note.S
…
nvram_64.c
Merge tag 'powerpc-5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2020-06-05 12:39:30 -07:00
of_platform.c
powerpc/eeh: Remove eeh_dev_phb_init_dynamic()
2020-07-26 23:34:19 +10:00
optprobes_head.S
powerpc: Add prefixed instructions to instruction data type
2020-05-19 00:10:39 +10:00
optprobes.c
powerpc/optprobes: Make patch_imm64_load_insns() static
2021-01-30 11:39:29 +11:00
paca.c
powerpc: Avoid broken GCC __attribute__((optimize))
2020-11-19 14:50:14 +11:00
pci_32.c
…
pci_64.c
Merge tag 'powerpc-5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2020-06-05 12:39:30 -07:00
pci_dn.c
powerpc/pci: Move PHB discovery for PCI_DN using platforms
2021-02-09 00:01:05 +11:00
pci_of_scan.c
…
pci-common.c
powerpc/pci: Add ppc_md.discover_phbs()
2021-02-03 09:46:36 +11:00
pci-hotplug.c
powerpc/eeh: Release EEH device state synchronously
2020-05-18 21:58:44 +10:00
pmc.c
…
ppc32.h
…
ppc_save_regs.S
powerpc: Improve ppc_save_regs()
2020-04-04 21:40:57 +11:00
proc_powerpc.c
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process.c
powerpc: do_break get registers from regs
2021-02-09 00:02:09 +11:00
prom_init_check.sh
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prom_init.c
powerpc/prom: Fix "ibm,arch-vec-5-platform-support" scan
2021-01-31 22:35:48 +11:00
prom_parse.c
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prom.c
powerpc/feature: Remove CPU_FTR_NODSISRALIGN
2020-12-04 01:01:34 +11:00
reloc_32.S
…
reloc_64.S
…
rtas_flash.c
…
rtas_pci.c
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
rtas-proc.c
…
rtas-rtc.c
…
rtas.c
powerpc/rtas: Fix typo of ibm,open-errinjct in RTAS filter
2020-12-09 13:36:51 +11:00
rtasd.c
powerpc/rtasd: simplify handle_rtas_event(), emit message on events
2020-07-16 13:12:38 +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/security: Fix link stack flush instruction
2020-10-08 12:50:52 +11:00
secvar-ops.c
…
secvar-sysfs.c
…
setup_32.c
powerpc: Remove ucache_bsize
2020-12-05 21:49:52 +11:00
setup_64.c
powerpc/setup_64: Make some routines static
2021-01-30 11:39:28 +11:00
setup-common.c
powerpc/setup: Adjust six seq_printf() calls in show_cpuinfo()
2021-01-31 22:35:50 +11:00
setup.h
powerpc: Avoid broken GCC __attribute__((optimize))
2020-11-19 14:50:14 +11:00
signal_32.c
powerpc/vdso: Retrieve sigtramp offsets at buildtime
2020-12-04 01:01:17 +11:00
signal_64.c
powerpc/vdso: Retrieve sigtramp offsets at buildtime
2020-12-04 01:01:17 +11:00
signal.c
Merge tag 'powerpc-5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2020-12-17 13:34:25 -08:00
signal.h
powerpc/signal: Create 'unsafe' versions of copy_[ck][fpr/vsx]_to_user()
2020-12-04 01:01:14 +11:00
smp-tbsync.c
…
smp.c
powerpc/smp: Make debugger_ipi_callback() static
2021-01-30 11:39:29 +11:00
stacktrace.c
kernel: rename show_stack_loglvl() => show_stack()
2020-06-09 09:39:13 -07:00
suspend.c
…
swsusp_32.S
powerpc/32: Blacklist functions running with MMU disabled for kprobe
2020-06-02 20:59:11 +10:00
swsusp_64.c
…
swsusp_asm64.S
…
swsusp_booke.S
…
swsusp.c
…
sys_ppc32.c
…
syscall_64.c
powerpc/64s: interrupt exit improve bounding of interrupt recursion
2021-02-09 00:02:07 +11:00
syscalls.c
…
sysfs.c
powerpc/sysfs: Remove unused 'err' variable in sysfs_create_dscr_default()
2020-09-18 20:05:24 +10:00
systbl_chk.sh
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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: Disable TAU between measurements
2020-09-15 22:13:30 +10:00
time.c
powerpc/time: Enable sched clock for irqtime
2021-01-31 22:35:49 +11:00
tm.S
powerpc/tm: Save and restore AMR on treclaim and trechkpt
2020-10-06 23:22:25 +11:00
traps.c
powerpc: introduce die_mce
2021-02-09 00:02:11 +11:00
ucall.S
…
udbg_16550.c
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udbg.c
…
uprobes.c
powerpc: fix -Wimplicit-fallthrough
2020-11-18 14:18:09 -06:00
vdso.c
powerpc/vdso: Remove DBG()
2020-12-04 01:01:19 +11:00
vecemu.c
powerpc: Define and use get_user_instr() et. al.
2020-05-19 00:10:37 +10:00
vector.S
powerpc: re-initialise lazy FPU/VEC counters on every fault
2020-07-16 13:00:24 +10:00
vmlinux.lds.S
Merge tag 'powerpc-5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2020-12-17 13:34:25 -08:00
watchdog.c
powerpc/watchdog: Declare soft_nmi_interrupt() prototype
2021-01-30 11:39:30 +11:00