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c1d2a31397
linux_dsm_epyc7002/arch/powerpc/platforms/powernv
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Nicholas Piggin c1d2a31397 powerpc/powernv: Fix NVRAM sleep in invalid context when crashing 
Similarly to opal_event_shutdown, opal_nvram_write can be called in
the crash path with irqs disabled. Special case the delay to avoid
sleeping in invalid context.

Fixes: 3b8070335f ("powerpc/powernv: Fix OPAL NVRAM driver OPAL_BUSY loops")
Cc: stable@vger.kernel.org # v3.2
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-05-18 00:23:07 +10:00
..
copy-paste.h powerpc/powernv/vas: Define copy/paste interfaces 2017-08-31 14:26:38 +10:00
eeh-powernv.c powerpc/eeh: Add eeh_state_active() helper 2018-03-27 23:45:19 +11:00
idle.c powerpc/powernv: Fix SMT4 forcing idle code 2018-04-03 22:14:27 +10:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile powerpc/powernv/vas: Remove a stray line in Makefile 2018-03-13 15:10:14 +11:00
memtrace.c powerpc/powernv/memtrace: Let the arch hotunplug code flush cache 2018-04-24 09:46:56 +10:00
npu-dma.c powerpc/powernv/npu: Do a PID GPU TLB flush when invalidating a large address range 2018-04-24 09:46:57 +10:00
ocxl.c ocxl: Add AFU interrupt support 2018-01-24 11:42:58 +11:00
opal-async.c powerpc/opal: Add opal_async_wait_response_interruptible() to opal-async 2017-11-06 20:39:28 +11:00
opal-dump.c powerpc: Use octal numbers for file permissions 2018-01-22 05:48:33 +11:00
opal-elog.c powerpc: Use octal numbers for file permissions 2018-01-22 05:48:33 +11:00
opal-flash.c powerpc/powernv: Always stop secondaries before reboot/shutdown 2018-04-03 22:59:57 +10:00
opal-hmi.c powerpc: Use sizeof(*foo) rather than sizeof(struct foo) 2018-03-20 16:47:53 +11:00
opal-imc.c powerpc: Use sizeof(*foo) rather than sizeof(struct foo) 2018-03-20 16:47:53 +11:00
opal-irqchip.c powerpc/powernv: Make opal_event_shutdown() callable from IRQ context 2017-10-06 20:03:08 +11:00
opal-kmsg.c powerpc/powernv: Fix OPAL_CONSOLE_FLUSH prototype and usages 2016-01-13 12:35:17 +11:00
opal-lpc.c powerpc: Create asm/debugfs.h and move powerpc_debugfs_root there 2017-04-11 07:46:03 +10:00
opal-memory-errors.c powerpc: Use sizeof(*foo) rather than sizeof(struct foo) 2018-03-20 16:47:53 +11:00
opal-msglog.c locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE() 2017-10-25 11:01:08 +02:00
opal-nvram.c powerpc/powernv: Fix NVRAM sleep in invalid context when crashing 2018-05-18 00:23:07 +10:00
opal-power.c powerpc/powernv: Add poweroff (EPOW, DPO) events support for PowerNV platform 2015-07-16 13:34:36 +10:00
opal-powercap.c powerpc/powernv: Add support for powercap framework 2017-08-10 22:39:53 +10:00
opal-prd.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
opal-psr.c powerpc: Use sizeof(*foo) rather than sizeof(struct foo) 2018-03-20 16:47:53 +11:00
opal-rtc.c rtc: opal: Fix OPAL RTC driver OPAL_BUSY loops 2018-04-25 13:24:13 +10:00
opal-sensor-groups.c powerpc: Use sizeof(*foo) rather than sizeof(struct foo) 2018-03-20 16:47:53 +11:00
opal-sensor.c powernv/opal-sensor: remove not needed lock 2017-11-06 20:33:56 +11:00
opal-sysparam.c powerpc: Use octal numbers for file permissions 2018-01-22 05:48:33 +11:00
opal-tracepoints.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
opal-wrappers.S powerpc/powernv: Enable tunneled operations 2018-03-13 15:50:30 +11:00
opal-xscom.c powerpc: Use sizeof(*foo) rather than sizeof(struct foo) 2018-03-20 16:47:53 +11:00
opal.c libnvdimm for 4.17 2018-04-10 10:25:57 -07:00
pci-cxl.c powerpc/powernv: Enable tunneled operations 2018-03-13 15:50:30 +11:00
pci-ioda.c powerpc/powernv/npu: Do not try invalidating 32bit table when 64bit table is enabled 2018-03-27 23:44:57 +11:00
pci.c powerpc/powernv: Enable tunneled operations 2018-03-13 15:50:30 +11:00
pci.h powerpc/powernv: Introduce new PHB type for opencapi links 2018-01-24 11:42:56 +11:00
powernv.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rng.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
setup.c powerpc/powernv: Always stop secondaries before reboot/shutdown 2018-04-03 22:59:57 +10:00
smp.c powerpc/64: Use array of paca pointers and allocate pacas individually 2018-03-30 23:34:23 +11:00
subcore-asm.S powerpc/powernv: Add support for POWER8 split core on powernv 2014-05-28 13:35:37 +10:00
subcore.c powerpc/64: Use array of paca pointers and allocate pacas individually 2018-03-30 23:34:23 +11:00
subcore.h powernv/powerpc: Add winkle support for offline cpus 2014-12-15 10:46:41 +11:00
vas-debug.c powerpc/vas: Fix cleanup when VAS is not configured 2018-03-14 20:11:37 +11:00
vas-trace.h powerpc/vas: Add a couple of trace points 2018-03-14 20:13:58 +11:00
vas-window.c powerpc/vas: Add a couple of trace points 2018-03-14 20:13:58 +11:00
vas.c powerpc/vas: Fix cleanup when VAS is not configured 2018-03-14 20:11:37 +11:00
vas.h powerpc/vas: Define vas_win_id() 2017-11-12 09:03:10 +11:00