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a49ab6eeeb
linux_dsm_epyc7002/arch/powerpc/platforms/pseries
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Li Zhong a49ab6eeeb powerpc/pseries: Initialise nvram_pstore_info's buf_lock 
nvram_pstore_info's buf_lock is not initialized before registering,
which is clearly incorrect.

It causes some strange behavior when trying to obtain the lock during
kdump process.

On a UP configuration, the console stopped for a couple of seconds, then
"lockup suspected" warning printed out, but then it continued to run.

So try lock fails, and lockup reported, but then arch_spin_lock()
passes.

Signed-off-by: Li Zhong <zhong@linux.vnet.ibm.com>
[mpe: Edited changelog]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2014-11-19 16:09:13 +11:00
..
cmm.c powerpc/pseries: Drop unnecessary continue 2014-09-23 11:00:40 +10:00
dlpar.c powerpc: use device_online/offline() instead of cpu_up/down() 2014-11-02 10:55:56 +11:00
dtl.c powerpc: Replace __get_cpu_var uses 2014-11-03 12:12:32 +11:00
eeh_pseries.c powerpc/pseries: Decrease message level on EEH initialization 2014-09-30 17:15:16 +10:00
event_sources.c of/irq: simplify args to irq_create_of_mapping 2013-10-24 11:42:57 +01:00
firmware.c powerpc/pseries: Update CPU maps when device tree is updated 2013-04-26 16:08:23 +10:00
hotplug-cpu.c powerpc/pseries: Make CPU hotplug path endian safe 2014-10-15 11:25:59 +11:00
hotplug-memory.c powerpc: Remove ppc_md.remove_memory 2014-11-05 21:00:46 +11:00
hvCall_inst.c powerpc: Replace __get_cpu_var uses 2014-11-03 12:12:32 +11:00
hvCall.S powerpc/jump_label: Use HAVE_JUMP_LABEL 2014-11-10 09:59:30 +11:00
hvconsole.c pseries: Move plpar_wrapper.h to powerpc common include/asm location. 2013-08-27 14:43:05 +10:00
hvcserver.c powerpc/pseries/hvcserver: Fix endian issue in hvcs_get_partner_info 2014-08-13 15:14:04 +10:00
io_event_irq.c powerpc/le: Enable RTAS events support 2014-04-07 10:33:12 +10:00
iommu.c powerpc/pseries: delete unneeded test before of_node_put 2014-11-10 09:59:35 +11:00
Kconfig powerpc/powernv: Enable POWER8 doorbell IPIs 2014-06-11 17:05:12 +10:00
kexec.c pseries: Move plpar_wrapper.h to powerpc common include/asm location. 2013-08-27 14:43:05 +10:00
lpar.c Merge branch 'topic/get-cpu-var' into next 2014-11-05 21:00:31 +11:00
lparcfg.c powerpc/pseries: Fix endian issues in /proc/ppc64/lparcfg 2013-12-13 15:48:35 +11:00
Makefile powerpc/pseries/cpuidle: Move processor_idle.c to drivers/cpuidle. 2014-01-29 17:02:22 +11:00
mobility.c arch/powerpc: replace obsolete strict_strto* calls 2014-08-08 15:57:28 -07:00
msi.c MSI/powerpc: Use __read_msi_msg() instead of read_msi_msg() 2014-10-01 12:21:46 -06:00
nvram.c powerpc/pseries: Initialise nvram_pstore_info's buf_lock 2014-11-19 16:09:13 +11:00
offline_states.h powerpc/smp: soft-replugged CPUs must go back to start_secondary 2011-04-01 15:37:09 +11:00
pci_dlpar.c powerpc/pci: Reorder pci bus/bridge unregistration during PHB removal 2014-08-05 15:40:58 +10:00
pci.c powerpc/pseries: Quieten ibm,pcie-link-speed-stats warning 2014-11-10 09:59:33 +11:00
power.c powerpc/pseries: Switch pseries drivers to use machine_xxx_initcall() 2014-07-28 14:11:26 +10:00
pseries_energy.c powerpc: Fix a number of sparse warnings 2013-08-14 11:50:24 +10:00
pseries.h powerpc/pseries: Make CPU hotplug path endian safe 2014-10-15 11:25:59 +11:00
ras.c powerpc: Replace __get_cpu_var uses 2014-11-03 12:12:32 +11:00
reconfig.c powerpc/pseries: Switch pseries drivers to use machine_xxx_initcall() 2014-07-28 14:11:26 +10:00
rng.c powerpc/pseries: Switch pseries drivers to use machine_xxx_initcall() 2014-07-28 14:11:26 +10:00
scanlog.c ppc: Clean up scanlog 2013-05-01 17:29:45 -04:00
setup.c powerpc/pseries: Quieten relocation on exceptions warning 2014-11-10 09:59:33 +11:00
smp.c powerpc: Fix SMP issues with ppc64le ABIv2 2014-04-23 10:05:26 +10:00
suspend.c powerpc/pseries: Switch pseries drivers to use machine_xxx_initcall() 2014-07-28 14:11:26 +10:00