summaryrefslogtreecommitdiffstats
path: root/arch/i386
diff options
context:
space:
mode:
Diffstat (limited to 'arch/i386')
-rw-r--r--arch/i386/Kconfig4
-rw-r--r--arch/i386/kernel/acpi/boot.c5
-rw-r--r--arch/i386/kernel/apic.c4
-rw-r--r--arch/i386/kernel/io_apic.c5
-rw-r--r--arch/i386/kernel/kprobes.c21
-rw-r--r--arch/i386/kernel/mpparse.c12
-rw-r--r--arch/i386/kernel/ptrace.c7
-rw-r--r--arch/i386/kernel/setup.c4
-rw-r--r--arch/i386/kernel/smpboot.c4
-rw-r--r--arch/i386/kernel/timers/timer_tsc.c4
-rw-r--r--arch/i386/kernel/vm86.c2
-rw-r--r--arch/i386/pci/irq.c1
12 files changed, 39 insertions, 34 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index 18ec9fe6deb6..c6fe99e57a05 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -467,7 +467,7 @@ endchoice
choice
depends on EXPERIMENTAL && !X86_PAE
- prompt "Memory split"
+ prompt "Memory split" if EMBEDDED
default VMSPLIT_3G
help
Select the desired split between kernel and user memory.
@@ -756,7 +756,7 @@ config PHYSICAL_START
config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
- depends on SMP && HOTPLUG && EXPERIMENTAL && !X86_VOYAGER && !X86_PC
+ depends on SMP && HOTPLUG && EXPERIMENTAL && !X86_VOYAGER
---help---
Say Y here to experiment with turning CPUs off and on. CPUs
can be controlled through /sys/devices/system/cpu.
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index 049a25583793..40e5aba3ad3d 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -215,7 +215,7 @@ static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size)
{
struct acpi_table_madt *madt = NULL;
- if (!phys_addr || !size || !cpu_has_apic)
+ if (!phys_addr || !size)
return -EINVAL;
madt = (struct acpi_table_madt *)__acpi_map_table(phys_addr, size);
@@ -1102,9 +1102,6 @@ int __init acpi_boot_table_init(void)
dmi_check_system(acpi_dmi_table);
#endif
- if (!cpu_has_apic)
- return -ENODEV;
-
/*
* If acpi_disabled, bail out
* One exception: acpi=ht continues far enough to enumerate LAPICs
diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c
index 254cee9f0b7b..013b85df18c6 100644
--- a/arch/i386/kernel/apic.c
+++ b/arch/i386/kernel/apic.c
@@ -757,10 +757,6 @@ static int __init apic_set_verbosity(char *str)
apic_verbosity = APIC_DEBUG;
else if (strcmp("verbose", str) == 0)
apic_verbosity = APIC_VERBOSE;
- else
- printk(KERN_WARNING "APIC Verbosity level %s not recognised"
- " use apic=verbose or apic=debug\n", str);
-
return 1;
}
diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c
index f8f132aa5472..d70f2ade5cde 100644
--- a/arch/i386/kernel/io_apic.c
+++ b/arch/i386/kernel/io_apic.c
@@ -2238,6 +2238,8 @@ static inline void unlock_ExtINT_logic(void)
spin_unlock_irqrestore(&ioapic_lock, flags);
}
+int timer_uses_ioapic_pin_0;
+
/*
* This code may look a bit paranoid, but it's supposed to cooperate with
* a wide range of boards and BIOS bugs. Fortunately only the timer IRQ
@@ -2274,6 +2276,9 @@ static inline void check_timer(void)
pin2 = ioapic_i8259.pin;
apic2 = ioapic_i8259.apic;
+ if (pin1 == 0)
+ timer_uses_ioapic_pin_0 = 1;
+
printk(KERN_INFO "..TIMER: vector=0x%02X apic1=%d pin1=%d apic2=%d pin2=%d\n",
vector, apic1, pin1, apic2, pin2);
diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c
index 043f5292e70a..38806f427849 100644
--- a/arch/i386/kernel/kprobes.c
+++ b/arch/i386/kernel/kprobes.c
@@ -242,10 +242,6 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
kcb->kprobe_status = KPROBE_REENTER;
return 1;
} else {
- if (regs->eflags & VM_MASK) {
- /* We are in virtual-8086 mode. Return 0 */
- goto no_kprobe;
- }
if (*addr != BREAKPOINT_INSTRUCTION) {
/* The breakpoint instruction was removed by
* another cpu right after we hit, no further
@@ -265,11 +261,6 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
p = get_kprobe(addr);
if (!p) {
- if (regs->eflags & VM_MASK) {
- /* We are in virtual-8086 mode. Return 0 */
- goto no_kprobe;
- }
-
if (*addr != BREAKPOINT_INSTRUCTION) {
/*
* The breakpoint instruction was removed right
@@ -452,10 +443,11 @@ static void __kprobes resume_execution(struct kprobe *p,
*tos &= ~(TF_MASK | IF_MASK);
*tos |= kcb->kprobe_old_eflags;
break;
- case 0xc3: /* ret/lret */
- case 0xcb:
- case 0xc2:
+ case 0xc2: /* iret/ret/lret */
+ case 0xc3:
case 0xca:
+ case 0xcb:
+ case 0xcf:
case 0xea: /* jmp absolute -- eip is correct */
/* eip is already adjusted, no more changes required */
p->ainsn.boostable = 1;
@@ -463,10 +455,13 @@ static void __kprobes resume_execution(struct kprobe *p,
case 0xe8: /* call relative - Fix return addr */
*tos = orig_eip + (*tos - copy_eip);
break;
+ case 0x9a: /* call absolute -- same as call absolute, indirect */
+ *tos = orig_eip + (*tos - copy_eip);
+ goto no_change;
case 0xff:
if ((p->ainsn.insn[1] & 0x30) == 0x10) {
- /* call absolute, indirect */
/*
+ * call absolute, indirect
* Fix return addr; eip is correct.
* But this is not boostable
*/
diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c
index 34d21e21e012..6b1392d33ed5 100644
--- a/arch/i386/kernel/mpparse.c
+++ b/arch/i386/kernel/mpparse.c
@@ -1130,7 +1130,17 @@ int mp_register_gsi (u32 gsi, int triggering, int polarity)
*/
int irq = gsi;
if (gsi < MAX_GSI_NUM) {
- if (gsi > 15)
+ /*
+ * Retain the VIA chipset work-around (gsi > 15), but
+ * avoid a problem where the 8254 timer (IRQ0) is setup
+ * via an override (so it's not on pin 0 of the ioapic),
+ * and at the same time, the pin 0 interrupt is a PCI
+ * type. The gsi > 15 test could cause these two pins
+ * to be shared as IRQ0, and they are not shareable.
+ * So test for this condition, and if necessary, avoid
+ * the pin collision.
+ */
+ if (gsi > 15 || (gsi == 0 && !timer_uses_ioapic_pin_0))
gsi = pci_irq++;
/*
* Don't assign IRQ used by ACPI SCI
diff --git a/arch/i386/kernel/ptrace.c b/arch/i386/kernel/ptrace.c
index 506462ef36a0..fd7eaf7866e0 100644
--- a/arch/i386/kernel/ptrace.c
+++ b/arch/i386/kernel/ptrace.c
@@ -671,7 +671,7 @@ int do_syscall_trace(struct pt_regs *regs, int entryexit)
if (unlikely(current->audit_context)) {
if (entryexit)
- audit_syscall_exit(current, AUDITSC_RESULT(regs->eax),
+ audit_syscall_exit(AUDITSC_RESULT(regs->eax),
regs->eax);
/* Debug traps, when using PTRACE_SINGLESTEP, must be sent only
* on the syscall exit path. Normally, when TIF_SYSCALL_AUDIT is
@@ -720,14 +720,13 @@ int do_syscall_trace(struct pt_regs *regs, int entryexit)
ret = is_sysemu;
out:
if (unlikely(current->audit_context) && !entryexit)
- audit_syscall_entry(current, AUDIT_ARCH_I386, regs->orig_eax,
+ audit_syscall_entry(AUDIT_ARCH_I386, regs->orig_eax,
regs->ebx, regs->ecx, regs->edx, regs->esi);
if (ret == 0)
return 0;
regs->orig_eax = -1; /* force skip of syscall restarting */
if (unlikely(current->audit_context))
- audit_syscall_exit(current, AUDITSC_RESULT(regs->eax),
- regs->eax);
+ audit_syscall_exit(AUDITSC_RESULT(regs->eax), regs->eax);
return 1;
}
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 80cb3b2d0997..d77e89ac0d54 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -970,8 +970,10 @@ efi_memory_present_wrapper(unsigned long start, unsigned long end, void *arg)
* not-overlapping, which is the case
*/
int __init
-e820_all_mapped(unsigned long start, unsigned long end, unsigned type)
+e820_all_mapped(unsigned long s, unsigned long e, unsigned type)
{
+ u64 start = s;
+ u64 end = e;
int i;
for (i = 0; i < e820.nr_map; i++) {
struct e820entry *ei = &e820.map[i];
diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index a6969903f2d6..825b2b4ca721 100644
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -313,7 +313,9 @@ static void __init synchronize_tsc_bp (void)
if (tsc_values[i] < avg)
realdelta = -realdelta;
- printk(KERN_INFO "CPU#%d had %ld usecs TSC skew, fixed it up.\n", i, realdelta);
+ if (realdelta > 0)
+ printk(KERN_INFO "CPU#%d had %ld usecs TSC "
+ "skew, fixed it up.\n", i, realdelta);
}
sum += delta;
diff --git a/arch/i386/kernel/timers/timer_tsc.c b/arch/i386/kernel/timers/timer_tsc.c
index 5e41ee29c8cf..f1187ddb0d0f 100644
--- a/arch/i386/kernel/timers/timer_tsc.c
+++ b/arch/i386/kernel/timers/timer_tsc.c
@@ -279,7 +279,7 @@ time_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
{
struct cpufreq_freqs *freq = data;
- if (val != CPUFREQ_RESUMECHANGE)
+ if (val != CPUFREQ_RESUMECHANGE && val != CPUFREQ_SUSPENDCHANGE)
write_seqlock_irq(&xtime_lock);
if (!ref_freq) {
if (!freq->old){
@@ -312,7 +312,7 @@ time_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
}
end:
- if (val != CPUFREQ_RESUMECHANGE)
+ if (val != CPUFREQ_RESUMECHANGE && val != CPUFREQ_SUSPENDCHANGE)
write_sequnlock_irq(&xtime_lock);
return 0;
diff --git a/arch/i386/kernel/vm86.c b/arch/i386/kernel/vm86.c
index aee14fafd13d..00e0118e717c 100644
--- a/arch/i386/kernel/vm86.c
+++ b/arch/i386/kernel/vm86.c
@@ -312,7 +312,7 @@ static void do_sys_vm86(struct kernel_vm86_struct *info, struct task_struct *tsk
/*call audit_syscall_exit since we do not exit via the normal paths */
if (unlikely(current->audit_context))
- audit_syscall_exit(current, AUDITSC_RESULT(eax), eax);
+ audit_syscall_exit(AUDITSC_RESULT(eax), eax);
__asm__ __volatile__(
"movl %0,%%esp\n\t"
diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c
index 73235443fda7..06dab00aaadc 100644
--- a/arch/i386/pci/irq.c
+++ b/arch/i386/pci/irq.c
@@ -591,7 +591,6 @@ static __init int via_router_probe(struct irq_router *r,
case PCI_DEVICE_ID_VIA_8233A:
case PCI_DEVICE_ID_VIA_8235:
case PCI_DEVICE_ID_VIA_8237:
- case PCI_DEVICE_ID_VIA_8237_SATA:
/* FIXME: add new ones for 8233/5 */
r->name = "VIA";
r->get = pirq_via_get;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 02:22:22 +0100