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); } _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
