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linux/arch/powerpc/platforms/powernv
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Nicholas Piggin a2b5e056b7 powerpc/powernv: Fix SMT4 forcing idle code 
The PSSCR value is not stored to PACA_REQ_PSSCR if the CPU does not
have the XER[SO] bug.

Fix this by storing up-front, outside the workaround code. The initial
test is not required because it is a slow path.

The workaround is made to depend on CONFIG_KVM_BOOK3S_HV_POSSIBLE, to
match pnv_power9_force_smt4_catch() where it is used. Drop the comment
on pnv_power9_force_smt4_catch() as it's no longer true.

Fixes: 7672691a08 ("powerpc/powernv: Provide a way to force a core into SMT4 mode")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-04-03 22:14:27 +10:00
..
copy-paste.h
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
npu-dma.c powerpc/npu-dma.c: Fix crash after __mmu_notifier_register failure 2018-03-14 20:04:43 +11:00
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: Use sizeof(*foo) rather than sizeof(struct foo) 2018-03-20 16:47:53 +11:00
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
opal-kmsg.c
opal-lpc.c
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: Handle unknown OPAL errors in opal_nvram_write() 2018-03-31 00:10:32 +11:00
opal-power.c
opal-powercap.c
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
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 powerpc/powernv/mce: Don't silently restart the machine 2018-03-13 15:50:31 +11:00
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
setup.c Merge branch 'topic/paca' into next 2018-03-31 09:09:36 +11:00
smp.c powerpc/64: Use array of paca pointers and allocate pacas individually 2018-03-30 23:34:23 +11:00
subcore-asm.S
subcore.c powerpc/64: Use array of paca pointers and allocate pacas individually 2018-03-30 23:34:23 +11:00
subcore.h
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