Author: avg
Date: Wed Mar 6 09:22:45 2013
New Revision: 247877
URL: http://svnweb.freebsd.org/changeset/base/247877
Log:
MFC r246247: x86 suspend/resume: suspend pics and pseudo-pics in reverse order
Modified:
stable/9/sys/amd64/include/intr_machdep.h
stable/9/sys/i386/include/intr_machdep.h
stable/9/sys/x86/x86/intr_machdep.c
stable/9/sys/x86/x86/local_apic.c
Directory Properties:
stable/9/sys/ (props changed)
Modified: stable/9/sys/amd64/include/intr_machdep.h
==============================================================================
--- stable/9/sys/amd64/include/intr_machdep.h Wed Mar 6 09:22:10 2013
(r247876)
+++ stable/9/sys/amd64/include/intr_machdep.h Wed Mar 6 09:22:45 2013
(r247877)
@@ -94,7 +94,7 @@ struct pic {
int (*pic_config_intr)(struct intsrc *, enum intr_trigger,
enum intr_polarity);
int (*pic_assign_cpu)(struct intsrc *, u_int apic_id);
- STAILQ_ENTRY(pic) pics;
+ TAILQ_ENTRY(pic) pics;
};
/* Flags for pic_disable_source() */
Modified: stable/9/sys/i386/include/intr_machdep.h
==============================================================================
--- stable/9/sys/i386/include/intr_machdep.h Wed Mar 6 09:22:10 2013
(r247876)
+++ stable/9/sys/i386/include/intr_machdep.h Wed Mar 6 09:22:45 2013
(r247877)
@@ -94,7 +94,7 @@ struct pic {
int (*pic_config_intr)(struct intsrc *, enum intr_trigger,
enum intr_polarity);
int (*pic_assign_cpu)(struct intsrc *, u_int apic_id);
- STAILQ_ENTRY(pic) pics;
+ TAILQ_ENTRY(pic) pics;
};
/* Flags for pic_disable_source() */
Modified: stable/9/sys/x86/x86/intr_machdep.c
==============================================================================
--- stable/9/sys/x86/x86/intr_machdep.c Wed Mar 6 09:22:10 2013
(r247876)
+++ stable/9/sys/x86/x86/intr_machdep.c Wed Mar 6 09:22:45 2013
(r247877)
@@ -78,7 +78,7 @@ static int intrcnt_index;
static struct intsrc *interrupt_sources[NUM_IO_INTS];
static struct mtx intr_table_lock;
static struct mtx intrcnt_lock;
-static STAILQ_HEAD(, pic) pics;
+static TAILQ_HEAD(pics_head, pic) pics;
#ifdef SMP
static int assign_cpu;
@@ -102,7 +102,7 @@ intr_pic_registered(struct pic *pic)
{
struct pic *p;
- STAILQ_FOREACH(p, &pics, pics) {
+ TAILQ_FOREACH(p, &pics, pics) {
if (p == pic)
return (1);
}
@@ -124,7 +124,7 @@ intr_register_pic(struct pic *pic)
if (intr_pic_registered(pic))
error = EBUSY;
else {
- STAILQ_INSERT_TAIL(&pics, pic, pics);
+ TAILQ_INSERT_TAIL(&pics, pic, pics);
error = 0;
}
mtx_unlock(&intr_table_lock);
@@ -287,7 +287,7 @@ intr_resume(void)
atpic_reset();
#endif
mtx_lock(&intr_table_lock);
- STAILQ_FOREACH(pic, &pics, pics) {
+ TAILQ_FOREACH(pic, &pics, pics) {
if (pic->pic_resume != NULL)
pic->pic_resume(pic);
}
@@ -300,7 +300,7 @@ intr_suspend(void)
struct pic *pic;
mtx_lock(&intr_table_lock);
- STAILQ_FOREACH(pic, &pics, pics) {
+ TAILQ_FOREACH_REVERSE(pic, &pics, pics_head, pics) {
if (pic->pic_suspend != NULL)
pic->pic_suspend(pic);
}
@@ -381,7 +381,7 @@ intr_init(void *dummy __unused)
intrcnt_setname("???", 0);
intrcnt_index = 1;
- STAILQ_INIT(&pics);
+ TAILQ_INIT(&pics);
mtx_init(&intr_table_lock, "intr sources", NULL, MTX_DEF);
mtx_init(&intrcnt_lock, "intrcnt", NULL, MTX_SPIN);
}
Modified: stable/9/sys/x86/x86/local_apic.c
==============================================================================
--- stable/9/sys/x86/x86/local_apic.c Wed Mar 6 09:22:10 2013
(r247876)
+++ stable/9/sys/x86/x86/local_apic.c Wed Mar 6 09:22:45 2013
(r247877)
@@ -1346,11 +1346,19 @@ apic_setup_io(void *dummy __unused)
if (best_enum == NULL)
return;
+
+ /*
+ * Local APIC must be registered before other PICs and pseudo PICs
+ * for proper suspend/resume order.
+ */
+#ifndef XEN
+ intr_register_pic(&lapic_pic);
+#endif
+
retval = best_enum->apic_setup_io();
if (retval != 0)
printf("%s: Failed to setup I/O APICs: returned %d\n",
best_enum->apic_name, retval);
-
#ifdef XEN
return;
#endif
@@ -1359,7 +1367,6 @@ apic_setup_io(void *dummy __unused)
* properly program the LINT pins.
*/
lapic_setup(1);
- intr_register_pic(&lapic_pic);
if (bootverbose)
lapic_dump("BSP");
_______________________________________________
svn-src-all@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
