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a314ea5abf
linux/arch/powerpc/perf
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Christophe Leroy a314ea5abf powerpc/8xx: Use SPRN_SPRG_SCRATCH2 in ITLB miss exception 
In order to re-enable MMU earlier, ensure ITLB miss exception
cannot clobber SPRN_SPRG_SCRATCH0 and SPRN_SPRG_SCRATCH1.
Do so by using SPRN_SPRG_SCRATCH2 and SPRN_M_TW instead, like
the DTLB miss exception.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/abc78e8e9577d473691ebb9996c6413b37bfd9ca.1606231483.git.christophe.leroy@csgroup.eu
2020-12-09 23:48:12 +11:00
..
req-gen powerpc: clean the inclusion of stringify.h 2018-07-30 22:48:17 +10:00
8xx-pmu.c powerpc/8xx: Use SPRN_SPRG_SCRATCH2 in ITLB miss exception 2020-12-09 23:48:12 +11:00
bhrb.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
callchain_32.c powerpc/vdso: Retrieve sigtramp offsets at buildtime 2020-12-04 01:01:17 +11:00
callchain_64.c powerpc/vdso: Retrieve sigtramp offsets at buildtime 2020-12-04 01:01:17 +11:00
callchain.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
callchain.h powerpc/64s/perf: perf interrupt does not have to get_user_pages to access user memory 2020-11-19 16:56:52 +11:00
core-book3s.c powerpc/perf: MMCR0 control for PMU registers under PMCC=00 2020-12-04 01:01:29 +11:00
core-fsl-emb.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
e500-pmu.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
e6500-pmu.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
generic-compat-pmu.c powerpc/perf: Update Power PMU cache_events to u64 type 2020-07-22 21:56:40 +10:00
hv-24x7-catalog.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hv-24x7-domains.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hv-24x7.c powerpc/perf/hv-24x7: Move cpumask file to top folder of hv-24x7 driver 2020-08-21 23:35:27 +10:00
hv-24x7.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hv-common.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hv-common.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hv-gpci-requests.h powerpc/perf/hv-gpci: Fix starting index value 2020-10-07 22:34:48 +11:00
hv-gpci.c powerpc/hv-gpci: Add sysfs files inside hv-gpci device to show cpumask 2020-10-07 22:34:49 +11:00
hv-gpci.h powerpc/perf: consolidate GPCI hcall structs into asm/hvcall.h 2020-09-02 11:00:20 +10:00
imc-pmu.c Merge branch 'fixes' into next 2020-09-14 22:57:18 +10:00
internal.h powerpc/perf: power10 Performance Monitoring support 2020-07-22 21:56:41 +10:00
isa207-common.c powerpc/perf: MMCR0 control for PMU registers under PMCC=00 2020-12-04 01:01:29 +11:00
isa207-common.h powerpc/perf: Fix the PMU group constraints for threshold events in power10 2020-12-04 01:01:28 +11:00
Makefile powerpc/perf: power10 Performance Monitoring support 2020-07-22 21:56:41 +10:00
mpc7450-pmu.c powerpc/perf: Update Power PMU cache_events to u64 type 2020-07-22 21:56:40 +10:00
perf_regs.c powerpc/perf: Add extended regs support for power10 platform 2020-08-17 13:11:22 +10:00
power5-pmu.c powerpc/perf: Add declarations to fix sparse warnings 2020-09-18 19:59:43 +10:00
power5+-pmu.c powerpc/perf: Add declarations to fix sparse warnings 2020-09-18 19:59:43 +10:00
power6-pmu.c powerpc/perf: Add declarations to fix sparse warnings 2020-09-18 19:59:43 +10:00
power7-events-list.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
power7-pmu.c powerpc/perf: Add declarations to fix sparse warnings 2020-09-18 19:59:43 +10:00
power8-events-list.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
power8-pmu.c powerpc/perf: Update Power PMU cache_events to u64 type 2020-07-22 21:56:40 +10:00
power9-events-list.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
power9-pmu.c powerpc/perf: Add support for outputting extended regs in perf intr_regs 2020-08-17 13:11:22 +10:00
power10-events-list.h powerpc/perf: Fix to update cache events with l2l3 events in power10 2020-12-04 01:01:29 +11:00
power10-pmu.c powerpc/perf: Fix to update cache events with l2l3 events in power10 2020-12-04 01:01:29 +11:00
ppc970-pmu.c powerpc/perf: Add declarations to fix sparse warnings 2020-09-18 19:59:43 +10:00