Author: jhb
Date: Wed Sep 3 21:17:09 2014
New Revision: 271053
URL: http://svnweb.freebsd.org/changeset/base/271053
Log:
Actually save and restore FPU state on APs during suspend and resume.
Committed from: Atom-based HP netbook after resuming in X
Modified:
head/sys/i386/i386/mp_machdep.c
Modified: head/sys/i386/i386/mp_machdep.c
==============================================================================
--- head/sys/i386/i386/mp_machdep.c Wed Sep 3 20:53:11 2014
(r271052)
+++ head/sys/i386/i386/mp_machdep.c Wed Sep 3 21:17:09 2014
(r271053)
@@ -1522,15 +1522,11 @@ cpususpend_handler(void)
cpu = PCPU_GET(cpuid);
if (savectx(susppcbs[cpu])) {
-#ifdef DEV_NPX
- npxsuspend(&suspcbs[cpu]->pcb_fpususpend);
-#endif
+ npxsuspend(&susppcbs[cpu]->pcb_fpususpend);
wbinvd();
CPU_SET_ATOMIC(cpu, &suspended_cpus);
} else {
-#ifdef DEV_NPX
- npxresume(&suspcbs[cpu]->pcb_fpususpend);
-#endif
+ npxresume(&susppcbs[cpu]->pcb_fpususpend);
pmap_init_pat();
PCPU_SET(switchtime, 0);
PCPU_SET(switchticks, ticks);
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