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alistair23-linux/arch/powerpc/platforms
Nicholas Piggin 7d6475051f powerpc/powernv: Fix CPU idle to be called with IRQs disabled
Commit e78a7614f3 ("idle: Prevent late-arriving interrupts from
disrupting offline") changes arch_cpu_idle_dead to be called with
interrupts disabled, which triggers the WARN in pnv_smp_cpu_kill_self.

Fix this by fixing up irq_happened after hard disabling, rather than
requiring there are no pending interrupts, similarly to what was done
done until commit 2525db04d1 ("powerpc/powernv: Simplify lazy IRQ
handling in CPU offline").

Fixes: e78a7614f3 ("idle: Prevent late-arriving interrupts from disrupting offline")
Reported-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
[mpe: Add unexpected_mask rather than checking for known bad values,
      change the WARN_ON() to a WARN_ON_ONCE()]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20191022115814.22456-1-npiggin@gmail.com
2019-10-29 21:47:01 +11:00
..
4xx powerpc: remove the ppc44x ocm.c file 2019-08-27 13:03:33 +10:00
8xx powerpc updates for 5.3 2019-07-13 16:08:36 -07:00
40x powerpc updates for 5.3 2019-07-13 16:08:36 -07:00
44x powerpc: remove the ppc44x ocm.c file 2019-08-27 13:03:33 +10:00
52xx treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428 2019-06-05 17:37:16 +02:00
82xx treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
83xx treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
85xx powerpc updates for 5.3 2019-07-13 16:08:36 -07:00
86xx powerpc updates for 5.3 2019-07-13 16:08:36 -07:00
512x treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428 2019-06-05 17:37:16 +02:00
amigaone treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
cell spufs: fix a crash in spufs_create_root() 2019-10-11 16:57:41 +11:00
chrp treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
embedded6xx treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
maple powerpc updates for 5.3 2019-07-13 16:08:36 -07:00
pasemi powerpc/powernv/ioda2: Create bigger default window with 64k IOMMU pages 2019-08-19 13:20:23 +10:00
powermac powerpc updates for 5.3 2019-07-13 16:08:36 -07:00
powernv powerpc/powernv: Fix CPU idle to be called with IRQs disabled 2019-10-29 21:47:01 +11:00
ps3 powerpc updates for 5.4 2019-09-20 11:48:06 -07:00
pseries powerpc/pseries: Remove confusing warning message. 2019-10-09 17:16:59 +11:00
Kconfig powerpc/32s: get rid of CPU_FTR_601 feature 2019-08-28 23:19:33 +10:00
Kconfig.cputype powerpc: use the generic dma coherent remap allocator 2019-08-28 23:19:34 +10:00
Makefile powerpc: Add -Werror at arch/powerpc level 2018-10-19 00:56:17 +11:00
fsl_uli1575.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00