Author: markj
Date: Tue Mar 20 21:16:26 2018
New Revision: 331264
URL: https://svnweb.freebsd.org/changeset/base/331264
Log:
Make use of the KPI added in r331252.
MFC after: 2 weeks
Modified:
head/sys/cddl/dev/fbt/x86/fbt_isa.c
Modified: head/sys/cddl/dev/fbt/x86/fbt_isa.c
==============================================================================
--- head/sys/cddl/dev/fbt/x86/fbt_isa.c Tue Mar 20 21:04:47 2018
(r331263)
+++ head/sys/cddl/dev/fbt/x86/fbt_isa.c Tue Mar 20 21:16:26 2018
(r331264)
@@ -35,6 +35,7 @@
#include <sys/dtrace.h>
#include <machine/cpufunc.h>
+#include <machine/md_var.h>
#include "fbt.h"
@@ -145,15 +146,11 @@ fbt_invop(uintptr_t addr, struct trapframe *frame, uin
void
fbt_patch_tracepoint(fbt_probe_t *fbt, fbt_patchval_t val)
{
- u_long cr0save;
- register_t intr;
+ bool old_wp;
- intr = intr_disable();
- cr0save = rcr0();
- load_cr0(cr0save & ~CR0_WP);
+ old_wp = disable_wp();
*fbt->fbtp_patchpoint = val;
- load_cr0(cr0save);
- intr_restore(intr);
+ restore_wp(old_wp);
}
int
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