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-rw-r--r--arch/i386/Kconfig.debug3
-rw-r--r--arch/i386/kernel/apm.c7
-rw-r--r--arch/i386/kernel/cpu/intel_cacheinfo.c20
-rw-r--r--arch/i386/kernel/numaq.c9
-rw-r--r--arch/i386/kernel/process.c2
-rw-r--r--arch/i386/kernel/reboot.c19
-rw-r--r--arch/i386/mach-visws/reboot.c5
-rw-r--r--arch/i386/mach-voyager/voyager_basic.c5
-rw-r--r--arch/i386/pci/irq.c7
9 files changed, 43 insertions, 34 deletions
diff --git a/arch/i386/Kconfig.debug b/arch/i386/Kconfig.debug
index bfb2064f710..5228c40a6fb 100644
--- a/arch/i386/Kconfig.debug
+++ b/arch/i386/Kconfig.debug
@@ -18,6 +18,9 @@ config EARLY_PRINTK
config DEBUG_STACKOVERFLOW
bool "Check for stack overflows"
depends on DEBUG_KERNEL
+ help
+ This option will cause messages to be printed if free stack space
+ drops below a certain limit.
config KPROBES
bool "Kprobes"
diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c
index 064211d5f41..d7811c4e8b5 100644
--- a/arch/i386/kernel/apm.c
+++ b/arch/i386/kernel/apm.c
@@ -911,14 +911,7 @@ static void apm_power_off(void)
0xcd, 0x15 /* int $0x15 */
};
- /*
- * This may be called on an SMP machine.
- */
-#ifdef CONFIG_SMP
/* Some bioses don't like being called from CPU != 0 */
- set_cpus_allowed(current, cpumask_of_cpu(0));
- BUG_ON(smp_processor_id() != 0);
-#endif
if (apm_info.realmode_power_off)
{
(void)apm_save_cpus();
diff --git a/arch/i386/kernel/cpu/intel_cacheinfo.c b/arch/i386/kernel/cpu/intel_cacheinfo.c
index 1d768b26326..6c55b50cf04 100644
--- a/arch/i386/kernel/cpu/intel_cacheinfo.c
+++ b/arch/i386/kernel/cpu/intel_cacheinfo.c
@@ -128,7 +128,7 @@ static int __devinit cpuid4_cache_lookup(int index, struct _cpuid4_info *this_le
cpuid_count(4, index, &eax, &ebx, &ecx, &edx);
cache_eax.full = eax;
if (cache_eax.split.type == CACHE_TYPE_NULL)
- return -1;
+ return -EIO; /* better error ? */
this_leaf->eax.full = eax;
this_leaf->ebx.full = ebx;
@@ -334,6 +334,7 @@ static int __devinit detect_cache_attributes(unsigned int cpu)
struct _cpuid4_info *this_leaf;
unsigned long j;
int retval;
+ cpumask_t oldmask;
if (num_cache_leaves == 0)
return -ENOENT;
@@ -345,19 +346,26 @@ static int __devinit detect_cache_attributes(unsigned int cpu)
memset(cpuid4_info[cpu], 0,
sizeof(struct _cpuid4_info) * num_cache_leaves);
+ oldmask = current->cpus_allowed;
+ retval = set_cpus_allowed(current, cpumask_of_cpu(cpu));
+ if (retval)
+ goto out;
+
/* Do cpuid and store the results */
+ retval = 0;
for (j = 0; j < num_cache_leaves; j++) {
this_leaf = CPUID4_INFO_IDX(cpu, j);
retval = cpuid4_cache_lookup(j, this_leaf);
if (unlikely(retval < 0))
- goto err_out;
+ break;
cache_shared_cpu_map_setup(cpu, j);
}
- return 0;
+ set_cpus_allowed(current, oldmask);
-err_out:
- free_cache_attributes(cpu);
- return -ENOMEM;
+out:
+ if (retval)
+ free_cache_attributes(cpu);
+ return retval;
}
#ifdef CONFIG_SYSFS
diff --git a/arch/i386/kernel/numaq.c b/arch/i386/kernel/numaq.c
index e51edf0a656..5f5b075f860 100644
--- a/arch/i386/kernel/numaq.c
+++ b/arch/i386/kernel/numaq.c
@@ -31,6 +31,7 @@
#include <linux/nodemask.h>
#include <asm/numaq.h>
#include <asm/topology.h>
+#include <asm/processor.h>
#define MB_TO_PAGES(addr) ((addr) << (20 - PAGE_SHIFT))
@@ -77,3 +78,11 @@ int __init get_memcfg_numaq(void)
smp_dump_qct();
return 1;
}
+
+static int __init numaq_dsc_disable(void)
+{
+ printk(KERN_DEBUG "NUMAQ: disabling TSC\n");
+ tsc_disable = 1;
+ return 0;
+}
+core_initcall(numaq_dsc_disable);
diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c
index d9492058aaf..e3f362e8af5 100644
--- a/arch/i386/kernel/process.c
+++ b/arch/i386/kernel/process.c
@@ -917,6 +917,8 @@ asmlinkage int sys_get_thread_area(struct user_desc __user *u_info)
if (idx < GDT_ENTRY_TLS_MIN || idx > GDT_ENTRY_TLS_MAX)
return -EINVAL;
+ memset(&info, 0, sizeof(info));
+
desc = current->thread.tls_array + idx - GDT_ENTRY_TLS_MIN;
info.entry_number = idx;
diff --git a/arch/i386/kernel/reboot.c b/arch/i386/kernel/reboot.c
index b3e58484996..c71fef31dc4 100644
--- a/arch/i386/kernel/reboot.c
+++ b/arch/i386/kernel/reboot.c
@@ -284,7 +284,7 @@ void machine_shutdown(void)
reboot_cpu_id = 0;
/* See if there has been given a command line override */
- if ((reboot_cpu_id != -1) && (reboot_cpu < NR_CPUS) &&
+ if ((reboot_cpu != -1) && (reboot_cpu < NR_CPUS) &&
cpu_isset(reboot_cpu, cpu_online_map)) {
reboot_cpu_id = reboot_cpu;
}
@@ -311,10 +311,8 @@ void machine_shutdown(void)
#endif
}
-void machine_restart(char * __unused)
+void machine_emergency_restart(void)
{
- machine_shutdown();
-
if (!reboot_thru_bios) {
if (efi_enabled) {
efi.reset_system(EFI_RESET_COLD, EFI_SUCCESS, 0, NULL);
@@ -337,23 +335,22 @@ void machine_restart(char * __unused)
machine_real_restart(jump_to_bios, sizeof(jump_to_bios));
}
-EXPORT_SYMBOL(machine_restart);
+void machine_restart(char * __unused)
+{
+ machine_shutdown();
+ machine_emergency_restart();
+}
void machine_halt(void)
{
}
-EXPORT_SYMBOL(machine_halt);
-
void machine_power_off(void)
{
- lapic_shutdown();
+ machine_shutdown();
- if (efi_enabled)
- efi.reset_system(EFI_RESET_SHUTDOWN, EFI_SUCCESS, 0, NULL);
if (pm_power_off)
pm_power_off();
}
-EXPORT_SYMBOL(machine_power_off);
diff --git a/arch/i386/mach-visws/reboot.c b/arch/i386/mach-visws/reboot.c
index 95e4676594e..9e9296676f9 100644
--- a/arch/i386/mach-visws/reboot.c
+++ b/arch/i386/mach-visws/reboot.c
@@ -22,8 +22,6 @@ void machine_restart(char * __unused)
outb(PIIX4_RESET_VAL, PIIX4_RESET_PORT);
}
-EXPORT_SYMBOL(machine_restart);
-
void machine_power_off(void)
{
unsigned short pm_status;
@@ -43,10 +41,7 @@ void machine_power_off(void)
outl(PIIX_SPECIAL_STOP, 0xCFC);
}
-EXPORT_SYMBOL(machine_power_off);
-
void machine_halt(void)
{
}
-EXPORT_SYMBOL(machine_halt);
diff --git a/arch/i386/mach-voyager/voyager_basic.c b/arch/i386/mach-voyager/voyager_basic.c
index 8680080a6a8..b3eda46e0fe 100644
--- a/arch/i386/mach-voyager/voyager_basic.c
+++ b/arch/i386/mach-voyager/voyager_basic.c
@@ -278,8 +278,6 @@ machine_restart(char *cmd)
}
}
-EXPORT_SYMBOL(machine_restart);
-
void
mca_nmi_hook(void)
{
@@ -315,12 +313,9 @@ machine_halt(void)
machine_power_off();
}
-EXPORT_SYMBOL(machine_halt);
-
void machine_power_off(void)
{
if (pm_power_off)
pm_power_off();
}
-EXPORT_SYMBOL(machine_power_off);
diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c
index 766b104ac1a..d291fb7f135 100644
--- a/arch/i386/pci/irq.c
+++ b/arch/i386/pci/irq.c
@@ -550,6 +550,13 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route
static __init int via_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
/* FIXME: We should move some of the quirk fixup stuff here */
+
+ if (router->device == PCI_DEVICE_ID_VIA_82C686 &&
+ device == PCI_DEVICE_ID_VIA_82C586_0) {
+ /* Asus k7m bios wrongly reports 82C686A as 586-compatible */
+ device = PCI_DEVICE_ID_VIA_82C686;
+ }
+
switch(device)
{
case PCI_DEVICE_ID_VIA_82C586_0: