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authorJohn Baldwin <jhb@FreeBSD.org>2001-12-20 23:48:31 +0000
committerJohn Baldwin <jhb@FreeBSD.org>2001-12-20 23:48:31 +0000
commit98f9879242b09010e545e2ff614e8d35c17e95e0 (patch)
treedec76d77f99795635c90df0631ffc2beb333b91b /sys/amd64/isa/clock.c
parentf3c7fb16969e45d99c717e8a953ecedf702253f8 (diff)
Notes
Diffstat (limited to 'sys/amd64/isa/clock.c')
-rw-r--r--sys/amd64/isa/clock.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/sys/amd64/isa/clock.c b/sys/amd64/isa/clock.c
index a7aaea0b7a5e..a39f7731be6a 100644
--- a/sys/amd64/isa/clock.c
+++ b/sys/amd64/isa/clock.c
@@ -1026,7 +1026,9 @@ cpu_initclocks()
inthand_add("clk", apic_8254_intr, (driver_intr_t *)clkintr, NULL,
INTR_TYPE_CLK | INTR_FAST, &clkdesc);
+ mtx_lock_spin(&icu_lock);
INTREN(1 << apic_8254_intr);
+ mtx_unlock_spin(&icu_lock);
#else /* APIC_IO */
@@ -1037,7 +1039,9 @@ cpu_initclocks()
*/
inthand_add("clk", 0, (driver_intr_t *)clkintr, NULL,
INTR_TYPE_CLK | INTR_FAST, NULL);
+ mtx_lock_spin(&icu_lock);
INTREN(IRQ0);
+ mtx_unlock_spin(&icu_lock);
#endif /* APIC_IO */
@@ -1060,11 +1064,13 @@ cpu_initclocks()
inthand_add("rtc", 8, (driver_intr_t *)rtcintr, NULL,
INTR_TYPE_CLK | INTR_FAST, NULL);
+ mtx_lock_spin(&icu_lock);
#ifdef APIC_IO
INTREN(APIC_IRQ8);
#else
INTREN(IRQ8);
#endif /* APIC_IO */
+ mtx_unlock_spin(&icu_lock);
writertc(RTC_STATUSB, rtc_statusb);
@@ -1081,7 +1087,9 @@ cpu_initclocks()
* on the IO APIC.
* Workaround: Limited variant of mixed mode.
*/
+ mtx_lock_spin(&icu_lock);
INTRDIS(1 << apic_8254_intr);
+ mtx_unlock_spin(&icu_lock);
inthand_remove(clkdesc);
printf("APIC_IO: Broken MP table detected: "
"8254 is not connected to "
@@ -1104,7 +1112,9 @@ cpu_initclocks()
inthand_add("clk", apic_8254_intr,
(driver_intr_t *)clkintr, NULL,
INTR_TYPE_CLK | INTR_FAST, NULL);
+ mtx_lock_spin(&icu_lock);
INTREN(1 << apic_8254_intr);
+ mtx_unlock_spin(&icu_lock);
}
}