summaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/boot/flatdevtree_env.h2
-rw-r--r--arch/x86/kernel/io_apic_32.c12
-rw-r--r--arch/x86/kernel/mfgpt_32.c15
-rw-r--r--arch/x86/kernel/nmi_32.c9
-rw-r--r--arch/x86/xen/enlighten.c2
5 files changed, 14 insertions, 26 deletions
diff --git a/arch/powerpc/boot/flatdevtree_env.h b/arch/powerpc/boot/flatdevtree_env.h
index ad0420d..66e0ebb 100644
--- a/arch/powerpc/boot/flatdevtree_env.h
+++ b/arch/powerpc/boot/flatdevtree_env.h
@@ -2,7 +2,7 @@
* This file adds the header file glue so that the shared files
* flatdevicetree.[ch] can compile and work in the powerpc bootwrapper.
*
- * strncmp & strchr copied from <file:lib/strings.c>
+ * strncmp & strchr copied from <file:lib/string.c>
* Copyright (C) 1991, 1992 Linus Torvalds
*
* Maintained by: Mark A. Greer <mgreer@mvista.com>
diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index c3a565b..a6b1490 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -2169,14 +2169,10 @@ static inline void __init check_timer(void)
{
int apic1, pin1, apic2, pin2;
int vector;
- unsigned int ver;
unsigned long flags;
local_irq_save(flags);
- ver = apic_read(APIC_LVR);
- ver = GET_APIC_VERSION(ver);
-
/*
* get/set the timer IRQ vector:
*/
@@ -2189,15 +2185,11 @@ static inline void __init check_timer(void)
* mode for the 8259A whenever interrupts are routed
* through I/O APICs. Also IRQ0 has to be enabled in
* the 8259A which implies the virtual wire has to be
- * disabled in the local APIC. Finally timer interrupts
- * need to be acknowledged manually in the 8259A for
- * timer_interrupt() and for the i82489DX when using
- * the NMI watchdog.
+ * disabled in the local APIC.
*/
apic_write_around(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
init_8259A(1);
- timer_ack = !cpu_has_tsc;
- timer_ack |= (nmi_watchdog == NMI_IO_APIC && !APIC_INTEGRATED(ver));
+ timer_ack = 1;
if (timer_over_8254 > 0)
enable_8259A_irq(0);
diff --git a/arch/x86/kernel/mfgpt_32.c b/arch/x86/kernel/mfgpt_32.c
index 0ab680f..3960ab7 100644
--- a/arch/x86/kernel/mfgpt_32.c
+++ b/arch/x86/kernel/mfgpt_32.c
@@ -278,12 +278,12 @@ static int mfgpt_next_event(unsigned long delta, struct clock_event_device *evt)
static irqreturn_t mfgpt_tick(int irq, void *dev_id)
{
+ /* Turn off the clock (and clear the event) */
+ mfgpt_disable_timer(mfgpt_event_clock);
+
if (mfgpt_tick_mode == CLOCK_EVT_MODE_SHUTDOWN)
return IRQ_HANDLED;
- /* Turn off the clock */
- mfgpt_disable_timer(mfgpt_event_clock);
-
/* Clear the counter */
geode_mfgpt_write(mfgpt_event_clock, MFGPT_REG_COUNTER, 0);
@@ -319,10 +319,6 @@ static int __init mfgpt_timer_setup(void)
}
mfgpt_event_clock = timer;
- /* Set the clock scale and enable the event mode for CMP2 */
- val = MFGPT_SCALE | (3 << 8);
-
- geode_mfgpt_write(mfgpt_event_clock, MFGPT_REG_SETUP, val);
/* Set up the IRQ on the MFGPT side */
if (geode_mfgpt_setup_irq(mfgpt_event_clock, MFGPT_CMP2, irq)) {
@@ -339,6 +335,11 @@ static int __init mfgpt_timer_setup(void)
goto err;
}
+ /* Set the clock scale and enable the event mode for CMP2 */
+ val = MFGPT_SCALE | (3 << 8);
+
+ geode_mfgpt_write(mfgpt_event_clock, MFGPT_REG_SETUP, val);
+
/* Set up the clock event */
mfgpt_clockevent.mult = div_sc(MFGPT_HZ, NSEC_PER_SEC, 32);
mfgpt_clockevent.min_delta_ns = clockevent_delta2ns(0xF,
diff --git a/arch/x86/kernel/nmi_32.c b/arch/x86/kernel/nmi_32.c
index 80ca72e..852db29 100644
--- a/arch/x86/kernel/nmi_32.c
+++ b/arch/x86/kernel/nmi_32.c
@@ -25,7 +25,6 @@
#include <asm/smp.h>
#include <asm/nmi.h>
-#include <asm/timer.h>
#include "mach_traps.h"
@@ -84,7 +83,7 @@ static int __init check_nmi_watchdog(void)
prev_nmi_count = kmalloc(NR_CPUS * sizeof(int), GFP_KERNEL);
if (!prev_nmi_count)
- goto error;
+ return -1;
printk(KERN_INFO "Testing NMI watchdog ... ");
@@ -119,7 +118,7 @@ static int __init check_nmi_watchdog(void)
if (!atomic_read(&nmi_active)) {
kfree(prev_nmi_count);
atomic_set(&nmi_active, -1);
- goto error;
+ return -1;
}
printk("OK.\n");
@@ -130,10 +129,6 @@ static int __init check_nmi_watchdog(void)
kfree(prev_nmi_count);
return 0;
-error:
- timer_ack = !cpu_has_tsc;
-
- return -1;
}
/* This needs to happen later in boot so counters are working */
late_initcall(check_nmi_watchdog);
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index b6af3ea..79ad152 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -95,7 +95,7 @@ struct shared_info *HYPERVISOR_shared_info = (void *)&dummy_shared_info;
*
* 0: not available, 1: available
*/
-static int have_vcpu_info_placement = 1;
+static int have_vcpu_info_placement = 0;
static void __init xen_vcpu_setup(int cpu)
{
OpenPOWER on IntegriCloud