svn commit: r325274 - head/sys/dev/hwpmc
Konstantin Belousov
kib at FreeBSD.org
Wed Nov 1 11:16:19 UTC 2017
Author: kib
Date: Wed Nov 1 11:16:18 2017
New Revision: 325274
URL: https://svnweb.freebsd.org/changeset/base/325274
Log:
There is no use for dropping Giant in the pmc syscall.
Reviewed by: markj
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
X-Differential revision: https://reviews.freebsd.org/D12882
Modified:
head/sys/dev/hwpmc/hwpmc_mod.c
Modified: head/sys/dev/hwpmc/hwpmc_mod.c
==============================================================================
--- head/sys/dev/hwpmc/hwpmc_mod.c Wed Nov 1 11:05:47 2017 (r325273)
+++ head/sys/dev/hwpmc/hwpmc_mod.c Wed Nov 1 11:16:18 2017 (r325274)
@@ -2860,8 +2860,6 @@ pmc_syscall_handler(struct thread *td, void *syscall_a
PMC_GET_SX_XLOCK(ENOSYS);
- DROP_GIANT();
-
is_sx_downgraded = 0;
is_sx_locked = 1;
@@ -4033,8 +4031,6 @@ pmc_syscall_handler(struct thread *td, void *syscall_a
if (error)
atomic_add_int(&pmc_stats.pm_syscall_errors, 1);
-
- PICKUP_GIANT();
return (error);
}
More information about the svn-src-head
mailing list