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(parent: 7eb20e3) | patch
perf/marvell: cn10k DDR perf event core ownership
authorBharat Bhushan <bbhushan2@marvell.com>
Fri, 11 Feb 2022 04:53:46 +0000 (10:23 +0530)
committerWill Deacon <will@kernel.org>
Tue, 8 Mar 2022 11:17:37 +0000 (11:17 +0000)
commit0e070673d90c172fc9041e0a902d16a2dfe16d0c
treecdf7e83d7971aef4a0023ee8dc2b09c5552d676btree | snapshot
parent7eb20e34aabeda00fa810cddac299082f789ba08commit | diff
perf/marvell: cn10k DDR perf event core ownership

As DDR perf event counters are not per core, so they should be accessed
only by one core at a time. Select new core when previously owning core
is going offline.

Signed-off-by: Bharat Bhushan <bbhushan2@marvell.com>
Reviewed-by: Bhaskara Budiredla <bbudiredla@marvell.com>
Link: https://lore.kernel.org/r/20220211045346.17894-5-bbhushan2@marvell.com
Signed-off-by: Will Deacon <will@kernel.org>
drivers/perf/Kconfig diff | blob | history
drivers/perf/marvell_cn10k_ddr_pmu.c diff | blob | history
include/linux/cpuhotplug.h diff | blob | history
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