svn commit: r325548 - stable/11/sys/dev/hwpmc

[Konstantin Belousov]

Author: kib
Date: Wed Nov  8 12:07:01 2017
New Revision: 325548
URL: https://svnweb.freebsd.org/changeset/base/325548

Log:
  MFC r325274:
  There is no use for dropping Giant in the pmc syscall.

Modified:
  stable/11/sys/dev/hwpmc/hwpmc_mod.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/dev/hwpmc/hwpmc_mod.c
==============================================================================
--- stable/11/sys/dev/hwpmc/hwpmc_mod.c	Wed Nov  8 12:03:11 2017	(r325547)
+++ stable/11/sys/dev/hwpmc/hwpmc_mod.c	Wed Nov  8 12:07:01 2017	(r325548)
@@ -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);
 }