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ea925a72a271f6868dddef98426b396f110da211
linux/arch/mips/kernel
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Andrew Bresticker ea925a72a2 MIPS: smp: Make stop_this_cpu() actually stop the CPU 
Since cpu_wait() enables interrupts upon return, CPUs which have
entered stop_this_cpu() may still end up handling interrupts.
This can lead to the softlockup detector firing on a panic or
restart/poweroff/halt.  Just disable interrupts and spin to ensure
nothing else runs on the CPU once it has entered stop_this_cpu().

Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Maciej W. Rozycki <macro@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/9601/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-04-01 17:21:58 +02:00
..
.gitignore
[MIPS] Ignore vmlinux.lds generated files
2008-08-26 09:10:27 +01:00
8250-platform.c
mips: remove needless include of module.h from core kernel files.
2011-10-31 19:30:57 -04:00
asm-offsets.c
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
2015-02-21 19:41:38 -08:00
binfmt_elfn32.c
MIPS: Compat: Fix cputime_to_timeval() arguments in compat binfmt_elf.
2013-06-06 16:11:26 +02:00
binfmt_elfo32.c
MIPS: Remove old core dump functions
2014-08-02 00:06:37 +02:00
bmips_vec.S
MIPS: BMIPS: Fix ".previous without corresponding .section" warnings
2014-11-24 07:44:05 +01:00
branch.c
MIPS: LLVMLinux: Fix a 'cast to type not present in union' error.
2015-04-01 17:21:46 +02:00
cevt-bcm1480.c
MIPS: Delete __cpuinit/__CPUINIT usage from MIPS code
2013-07-14 19:36:51 -04:00
cevt-ds1287.c
MIPS: Whitespace cleanup.
2013-02-01 10:00:22 +01:00
cevt-gt641xx.c
MIPS: Whitespace cleanup.
2013-02-01 10:00:22 +01:00
cevt-r4k.c
MIPS: cevt-r4k: Cleanup c0_compare_interrupt.
2015-03-31 12:04:12 +02:00
cevt-sb1250.c
MIPS: Delete __cpuinit/__CPUINIT usage from MIPS code
2013-07-14 19:36:51 -04:00
cevt-txx9.c
MIPS: cevt-txx9: Implement read_sched_clock
2015-04-01 17:21:30 +02:00
cps-vec.S
MIPS: kernel: cps-vec: Replace "addi" with "addiu"
2015-02-17 15:37:28 +00:00
cpu-bugs64.c
MIPS: kernel: cpu-bugs64: Do not check R6 cores for existing 64-bit bugs
2015-02-17 15:37:24 +00:00
cpu-probe.c
MIPS: Add arch CDMM definitions and probing
2015-03-31 12:04:12 +02:00
crash_dump.c
mips: Convert pr_warning to pr_warn
2014-11-24 07:44:51 +01:00
crash.c
mips: delete non-required instances of include <linux/init.h>
2014-01-24 22:39:56 +01:00
csrc-bcm1480.c
MIPS: csrc-bcm1480: Implement read_sched_clock
2015-04-01 17:21:27 +02:00
csrc-ioasic.c
MIPS: csrc-ioasic: Implement read_sched_clock
2015-04-01 17:21:28 +02:00
csrc-r4k.c
MIPS: csrc-r4k: Implement read_sched_clock
2015-04-01 17:21:27 +02:00
csrc-sb1250.c
MIPS: csrc-sb1250: Implement read_sched_clock
2015-04-01 17:21:33 +02:00
early_printk_8250.c
MIPS: Add 8250/16550 serial early printk driver
2013-10-29 21:24:36 +01:00
early_printk.c
early_printk: consolidate random copies of identical code
2013-04-29 18:28:13 -07:00
elf.c
MIPS: kernel: elf: Improve the overall ABI and FPU mode checks
2015-02-17 15:37:39 +00:00
entry.S
MIPS: Make use of the ERETNC instruction on MIPS R6
2015-02-17 15:37:37 +00:00
ftrace.c
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
2014-08-07 08:47:00 -07:00
genex.S
MIPS: kernel: genex: Set correct ISA level
2015-02-17 15:37:28 +00:00
gpio_txx9.c
[MIPS] txx9: Make gpio_txx9 entirely spinlock-safe
2008-07-15 18:44:34 +01:00
head.S
MIPS: MT: Remove SMTC support
2014-05-24 00:07:01 +02:00
i8253.c
MIPS: irq: Remove IRQF_DISABLED
2011-12-07 22:03:45 +00:00
i8259.c
MIPS: i8259: Use IRQ domains
2014-11-24 07:44:52 +01:00
idle.c
MIPS: idle: Workaround wait + FDC problems
2015-03-31 12:04:12 +02:00
irq_cpu.c
MIPS: IRQ: Fix disable_irq on CPU IRQs
2015-01-16 14:03:17 +01:00
irq_txx9.c
MIPS: Whitespace cleanup.
2013-02-01 10:00:22 +01:00
irq-gt641xx.c
MIPS: Whitespace cleanup.
2013-02-01 10:00:22 +01:00
irq-msc01.c
MIPS: MSC: Prevent out-of-bounds writes to MIPS SC ioremap'd region
2014-06-26 10:48:23 +01:00
irq-rm7000.c
MIPS: Whitespace cleanup.
2013-02-01 10:00:22 +01:00
irq.c
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
2014-06-09 18:10:34 -07:00
jump_label.c
MIPS: jump_label.c: Handle the microMIPS J instruction encoding
2014-11-19 18:22:09 +01:00
kgdb.c
MIPS: kernel: {ftrace,kgdb}: Set correct address limit for cache flushes
2014-03-26 23:09:18 +01:00
kprobes.c
mips: Replace __get_cpu_var uses
2014-08-26 13:45:51 -04:00
linux32.c
unify compat fanotify_mark(2), switch to COMPAT_SYSCALL_DEFINE
2013-05-09 13:46:38 -04:00
machine_kexec.c
MIPS: kdump: Set correct value to kexec_indirection_page variable
2014-08-25 16:33:44 +02:00
Makefile
MIPS: kernel: mips-r2-to-r6-emul: Add R2 emulator for MIPS R6
2015-02-17 15:37:37 +00:00
mcount.S
MIPS: mcount: Adjust stack pointer for static trace in MIPS32
2014-09-26 11:41:17 +02:00
mips_ksyms.c
Merge branch 'mipsr6-for-3.20' of git://git.linux-mips.org/pub/scm/mchandras/linux into mips-for-linux-next
2015-02-19 16:00:34 +01:00
mips_machine.c
MIPS: move mips_{set,get}_machine_name() to a more generic place
2013-05-08 01:19:07 +02:00
mips-cm.c
MIPS: Replace use of phys_t with phys_addr_t.
2014-11-24 22:47:31 +01:00
mips-cpc.c
MIPS: Replace use of phys_t with phys_addr_t.
2014-11-24 22:47:31 +01:00
mips-mt-fpaff.c
MIPS: MT: Remove SMTC support
2014-05-24 00:07:01 +02:00
mips-mt.c
MIPS: MT: Remove SMTC support
2014-05-24 00:07:01 +02:00
mips-r2-to-r6-emul.c
MIPS: kernel: mips-r2-to-r6-emul: Add R2 emulator for MIPS R6
2015-02-17 15:37:37 +00:00
module-rela.c
MIPS: Whitespace cleanup.
2013-02-01 10:00:22 +01:00
module.c
mm: vmalloc: pass additional vm_flags to __vmalloc_node_range()
2015-02-13 21:21:42 -08:00
octeon_switch.S
MIPS: OCTEON: Delete unused COP2 saving code
2015-02-20 15:30:23 +01:00
perf_event_mipsxx.c
MIPS: perf: Allow sharing IRQ with timer
2015-03-31 12:04:12 +02:00
perf_event.c
MIPS: perf: Reorganize contents of perf support files.
2011-10-24 23:34:26 +01:00
pm-cps.c
MIPS: {pm,smp}-cps: use cpu_vpe_id macro
2014-07-30 20:48:42 +02:00
pm.c
MIPS: PM: Implement PM helper macros
2014-05-02 16:39:10 +01:00
proc.c
MIPS: kernel: proc: Add MIPS R6 support to /proc/cpuinfo
2015-02-17 15:37:26 +00:00
process.c
mips: copy_thread(): rename 'arg' argument to 'kthread_arg'
2015-03-24 15:15:34 +01:00
prom.c
MIPS: Let __dt_register_buses accept a single bus type
2015-04-01 17:21:38 +02:00
ptrace32.c
MIPS: Remove asm/user.h
2014-08-02 00:06:37 +02:00
ptrace.c
MIPS: Fix syscall_get_nr for the syscall exit tracing.
2015-02-04 16:40:09 +01:00
r4k_fpu.S
MIPS: kernel: r4k_fpu: Add support for MIPS R6
2015-02-17 15:37:27 +00:00
r4k_switch.S
MIPS: kernel: r4k_switch: Add support for MIPS R6
2015-02-17 15:37:27 +00:00
r2300_fpu.S
MIPS: Fix build with binutils 2.24.51+
2014-11-07 15:07:36 +01:00
r2300_switch.S
MIPS: Fix build with binutils 2.24.51+
2014-11-07 15:07:36 +01:00
r6000_fpu.S
MIPS: Fix build with binutils 2.24.51+
2014-11-07 15:07:36 +01:00
relocate_kernel.S
MIPS: kdump: Skip walking indirection page for crashkernels
2013-09-05 20:53:37 +02:00
reset.c
mips: migrate core kernel file from module.h --> export.h
2011-10-31 19:30:56 -04:00
rtlx-cmp.c
MIPS: APRP: Fix an issue when device_create() fails.
2014-08-01 17:30:35 +02:00
rtlx-mt.c
MIPS: APRP: Fix an issue when device_create() fails.
2014-08-01 17:30:35 +02:00
rtlx.c
MIPS: rtlx: Remove KERN_DEBUG from pr_debug() arguments in rtlx.c
2014-11-24 07:44:04 +01:00
scall32-o32.S
MIPS: Fix restart of indirect syscalls
2015-01-16 00:35:45 +01:00
scall64-64.S
MIPS: Wire up execveat(2).
2015-01-13 15:53:09 +01:00
scall64-n32.S
MIPS: Wire up execveat(2).
2015-01-13 15:53:09 +01:00
scall64-o32.S
MIPS: Fix restart of indirect syscalls
2015-01-16 00:35:45 +01:00
segment.c
MIPS: Add debugfs file to print the segmentation control registers
2014-01-22 20:19:00 +01:00
setup.c
MIPS, ttyFDC: Add early FDC console support
2015-03-31 12:04:12 +02:00
signal32.c
all arches, signal: move restart_block to struct task_struct
2015-02-12 18:54:12 -08:00
signal_n32.c
mips: Use sigsp()
2014-08-06 13:04:30 +02:00
signal-common.h
mips: Use get_signal() signal_setup_done()
2014-08-06 13:03:08 +02:00
signal.c
all arches, signal: move restart_block to struct task_struct
2015-02-12 18:54:12 -08:00
smp-bmips.c
MIPS: BMIPS: Let each platform customize the CPU1 IRQ mask
2014-11-24 07:45:11 +01:00
smp-cmp.c
MIPS: smp-mt,smp-cmp: Enable all HW IRQs on secondary CPUs
2015-01-16 13:02:40 +01:00
smp-cps.c
MIPS: Move gic.h to include/linux/irqchip/mips-gic.h
2014-11-24 07:44:59 +01:00
smp-gic.c
MIPS: Move gic.h to include/linux/irqchip/mips-gic.h
2014-11-24 07:44:59 +01:00
smp-mt.c
MIPS: smp-mt,smp-cmp: Enable all HW IRQs on secondary CPUs
2015-01-16 13:02:40 +01:00
smp-up.c
MIPS: SMP: Remove plat_smp_ops cpus_done method.
2014-05-27 11:06:42 +02:00
smp.c
MIPS: smp: Make stop_this_cpu() actually stop the CPU
2015-04-01 17:21:58 +02:00
spinlock_test.c
mips: migrate core kernel file from module.h --> export.h
2011-10-31 19:30:56 -04:00
spram.c
MIPS: Add cases for CPU_QEMU_GENERIC
2015-02-16 10:01:24 +00:00
stacktrace.c
mips: migrate core kernel file from module.h --> export.h
2011-10-31 19:30:56 -04:00
sync-r4k.c
MIPS: MT: Remove SMTC support
2014-05-24 00:07:01 +02:00
syscall.c
MIPS: kernel: syscall: Set the appropriate ISA level for MIPS R6
2015-02-17 15:37:29 +00:00
time.c
MIPS: MT: Remove SMTC support
2014-05-24 00:07:01 +02:00
topology.c
MIPS: Add arch generic CPU hotplug
2009-06-24 18:34:40 +01:00
traps.c
MIPS: Read CPU IRQ line that FDC to routed to
2015-03-31 12:04:12 +02:00
unaligned.c
MIPS: kernel: unaligned: Add support for the MIPS R6
2015-02-17 15:37:28 +00:00
vdso.c
MIPS: Enable VDSO randomization
2014-11-24 07:45:38 +01:00
vmlinux.lds.S
MIPS: Discard .eh_frame sections in linker script.
2013-08-26 15:33:41 +02:00
vpe-cmp.c
MIPS: APRP: Add VPE loader support for CMP platforms.
2014-01-22 20:19:02 +01:00
vpe-mt.c
MIPS: MT: Remove SMTC support
2014-05-24 00:07:01 +02:00
vpe.c
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
2014-01-30 17:20:32 -08:00
watch.c
MIPS: Delete __cpuinit/__CPUINIT usage from MIPS code
2013-07-14 19:36:51 -04:00