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Disable WITNESS for spin locks by default.

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This matches all other architectures and removes substantial overhead.

Reported by:	arichardson (indirectly)
Reviewed by:	imp, arichardson
Obtained from:	CheriBSD
Sponsored by:	DARPA
Differential Revision:	https://reviews.freebsd.org/D26403
This commit is contained in:
John Baldwin 2020-09-11 00:06:16 +00:00
parent 7d7af7f85b
commit 39585a4c10
1 changed files with 1 additions and 1 deletions
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2
sys/riscv/conf/GENERIC
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@ -140,7 +140,7 @@ options DEADLKRES # Enable the deadlock resolver
options INVARIANTS # Enable calls of extra sanity checking
options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS
options WITNESS # Enable checks to detect deadlocks and cycles
# options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones
# options EARLY_PRINTF
options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default