Diffusion FreeBSD src repository - subversion rS333596

hwpmc: fix load/unload race and vm map LOR
rS333596
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Description

hwpmc: fix load/unload race and vm map LOR

fix load/unload race by allocating the per-domain list structure at boot

fix long extant vm map LOR by replacing pmc_sx sx_slock with global_epoch to protect the liveness of elements of the pmc_ss_owners list

Reported by: pho
Approved by: sbruno

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rS333595: epoch(9): allow sx locks to be held across epoch_wait()

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mmacy committed rS333596: hwpmc: fix load/unload race and vm map LOR.May 14 2018, 12:21 AM

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head/

sys/

dev/

hwpmc/

hwpmc_logging.c

kern/

sys/

rS333596

head/sys/dev/hwpmc/hwpmc_logging.c

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head/sys/dev/hwpmc/hwpmc_mod.c

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head/sys/kern/kern_pmc.c

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head/sys/sys/pmc.h

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head/sys/sys/pmckern.h

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