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opnsense-src/sys/dev/hwpmc
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Mitchell Horne 5c2e6d9610 hwpmc: initialize arm64 counter/interrupt state 
Performance counters and overflow interrupts are assumed to be disabled
by default, but this is not guaranteed. Ensure we disable both during
per-cpu initialization, before enabling the PMU. Otherwise, some systems
(such as the Ampere eMAG) would experience an interrupt storm upon
loading the hwpmc module.

Reviewed by:	br
MFC after:	5 days
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D32854

(cherry picked from commit b826cc3caf)
2021-11-15 11:13:50 -04:00
..
hwpmc_amd.c hwpmc: mostly clean up cc --analyze 2021-07-25 07:00:05 +00:00
hwpmc_amd.h hwpmc : fix AMD perf counter MSR access 2019-11-07 19:54:24 +00:00
hwpmc_arm.c hwpmc: remove dangling references to hwpmc_xscale 2018-06-08 20:39:49 +00:00
hwpmc_arm64.c hwpmc: initialize arm64 counter/interrupt state 2021-11-15 11:13:50 -04:00
hwpmc_arm64.h arm64: Fix finding the pmc event ID 2021-07-29 12:00:37 -03:00
hwpmc_arm64_md.c
hwpmc_armv7.c Move the PMC overflow count to make it per-CPU 2021-01-08 14:24:43 +00:00
hwpmc_armv7.h
hwpmc_beri.c Add support for BERI statcounters. 2019-09-18 16:13:50 +00:00
hwpmc_beri.h Add support for BERI statcounters. 2019-09-18 16:13:50 +00:00
hwpmc_core.c x86_msr_op: extend the KPI to allow MSR read and single-CPU operations 2021-08-23 12:24:39 +03:00
hwpmc_core.h hwpmc: ABI fixes 2018-06-04 02:05:48 +00:00
hwpmc_e500.c [PowerPC] hwpmc: add support for POWER8/9 PMCs 2020-11-05 16:36:39 +00:00
hwpmc_intel.c hwpmc: disable uncore class on Sandy Bridge and newer 2021-08-11 13:49:44 -03:00
hwpmc_logging.c Update a sysctl name to nbuffers_pcpu in hwpmc.4 and pmcstat.c 2021-09-25 10:34:38 +02:00
hwpmc_mips.c hwpmc: update files missed by r334827 2018-06-08 17:41:49 +00:00
hwpmc_mips24k.c sys/dev: further adoption of SPDX licensing ID tags. 2017-11-27 14:52:40 +00:00
hwpmc_mips74k.c sys: use our nitems() macro when param.h is available. 2016-04-21 19:40:10 +00:00
hwpmc_mod.c hwpmc: mostly clean up cc --analyze 2021-07-25 07:00:05 +00:00
hwpmc_mpc7xxx.c [PowerPC] hwpmc: add support for POWER8/9 PMCs 2020-11-05 16:36:39 +00:00
hwpmc_octeon.c sys/dev: further adoption of SPDX licensing ID tags. 2017-11-27 14:52:40 +00:00
hwpmc_power8.c [PowerPC] hwpmc: add support for POWER8/9 PMCs 2020-11-05 16:36:39 +00:00
hwpmc_powerpc.c [PowerPC] hwpmc: add support for POWER8/9 PMCs 2020-11-05 16:36:39 +00:00
hwpmc_powerpc.h [PowerPC] hwpmc: add support for POWER8/9 PMCs 2020-11-05 16:36:39 +00:00
hwpmc_ppc970.c [PowerPC] hwpmc: add support for POWER8/9 PMCs 2020-11-05 16:36:39 +00:00
hwpmc_riscv.h
hwpmc_soft.c hwpmc: mostly clean up cc --analyze 2021-07-25 07:00:05 +00:00
hwpmc_soft.h sys/dev: further adoption of SPDX licensing ID tags. 2017-11-27 14:52:40 +00:00
hwpmc_tsc.c hwpmc: mostly clean up cc --analyze 2021-07-25 07:00:05 +00:00
hwpmc_tsc.h sys/dev: further adoption of SPDX licensing ID tags. 2017-11-27 14:52:40 +00:00
hwpmc_uncore.c hwpmc: mostly clean up cc --analyze 2021-07-25 07:00:05 +00:00
hwpmc_uncore.h hwpmc: remove unused pre-table driven bits for intel 2018-05-31 22:41:07 +00:00
hwpmc_x86.c hwpmc: Disable KASAN in pmc_save_kernel_callchain() 2021-11-01 10:06:47 -04:00
pmc_events.h libpmc: fix the 'cycles' event alias on x86 2021-10-15 12:21:35 -03:00