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-rw-r--r--arch/i386/Kconfig4
-rw-r--r--arch/i386/Kconfig.debug9
-rw-r--r--arch/i386/kernel/acpi/boot.c10
-rw-r--r--arch/i386/kernel/apic.c4
-rw-r--r--arch/i386/kernel/apm.c2
-rw-r--r--arch/i386/kernel/cpu/amd.c2
-rw-r--r--arch/i386/kernel/cpu/cpufreq/powernow-k8.c10
-rw-r--r--arch/i386/kernel/cpu/intel_cacheinfo.c2
-rw-r--r--arch/i386/kernel/cpuid.c2
-rw-r--r--arch/i386/kernel/kprobes.c39
-rw-r--r--arch/i386/kernel/msr.c2
-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/mach-voyager/voyager_cat.c1
-rw-r--r--arch/i386/pci/irq.c1
18 files changed, 59 insertions, 50 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index 18ec9fe6deb..c6fe99e57a0 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/Kconfig.debug b/arch/i386/Kconfig.debug
index 6e97df6979e..c92191b1fb6 100644
--- a/arch/i386/Kconfig.debug
+++ b/arch/i386/Kconfig.debug
@@ -81,4 +81,13 @@ config X86_MPPARSE
depends on X86_LOCAL_APIC && !X86_VISWS
default y
+config DOUBLEFAULT
+ default y
+ bool "Enable doublefault exception handler" if EMBEDDED
+ help
+ This option allows trapping of rare doublefault exceptions that
+ would otherwise cause a system to silently reboot. Disabling this
+ option saves about 4k and might cause you much additional grey
+ hair.
+
endmenu
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index 030a0007a4e..4c785a67d58 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -168,7 +168,7 @@ int __init acpi_parse_mcfg(unsigned long phys_addr, unsigned long size)
unsigned long i;
int config_size;
- if (!phys_addr || !size || !cpu_has_apic)
+ if (!phys_addr || !size)
return -EINVAL;
mcfg = (struct acpi_table_mcfg *)__acpi_map_table(phys_addr, size);
@@ -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);
@@ -1102,6 +1102,9 @@ 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
@@ -1148,6 +1151,9 @@ int __init acpi_boot_init(void)
acpi_table_parse(ACPI_BOOT, acpi_parse_sbf);
+ if (!cpu_has_apic)
+ return -ENODEV;
+
/*
* set sci_int and PM timer address
*/
diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c
index 254cee9f0b7..013b85df18c 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/apm.c b/arch/i386/kernel/apm.c
index da30a374dd4..df0e1745f18 100644
--- a/arch/i386/kernel/apm.c
+++ b/arch/i386/kernel/apm.c
@@ -1079,7 +1079,7 @@ static int apm_console_blank(int blank)
break;
}
- if (error == APM_NOT_ENGAGED && state != APM_STATE_READY) {
+ if (error == APM_NOT_ENGAGED) {
static int tried;
int eng_error;
if (tried++ == 0) {
diff --git a/arch/i386/kernel/cpu/amd.c b/arch/i386/kernel/cpu/amd.c
index ff2b2154ac1..786d1a57048 100644
--- a/arch/i386/kernel/cpu/amd.c
+++ b/arch/i386/kernel/cpu/amd.c
@@ -207,6 +207,8 @@ static void __init init_amd(struct cpuinfo_x86 *c)
set_bit(X86_FEATURE_K7, c->x86_capability);
break;
}
+ if (c->x86 >= 6)
+ set_bit(X86_FEATURE_FXSAVE_LEAK, c->x86_capability);
display_cacheinfo(c);
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
index 7c0e160a214..71fffa17442 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
@@ -905,14 +905,17 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi
{
cpumask_t oldmask = CPU_MASK_ALL;
struct powernow_k8_data *data = powernow_data[pol->cpu];
- u32 checkfid = data->currfid;
- u32 checkvid = data->currvid;
+ u32 checkfid;
+ u32 checkvid;
unsigned int newstate;
int ret = -EIO;
if (!data)
return -EINVAL;
+ checkfid = data->currfid;
+ checkvid = data->currvid;
+
/* only run on specific CPU from here on */
oldmask = current->cpus_allowed;
set_cpus_allowed(current, cpumask_of_cpu(pol->cpu));
@@ -1109,9 +1112,6 @@ static unsigned int powernowk8_get (unsigned int cpu)
if (!data)
return -EINVAL;
- if (!data)
- return -EINVAL;
-
set_cpus_allowed(current, cpumask_of_cpu(cpu));
if (smp_processor_id() != cpu) {
printk(KERN_ERR PFX "limiting to CPU %d failed in powernowk8_get\n", cpu);
diff --git a/arch/i386/kernel/cpu/intel_cacheinfo.c b/arch/i386/kernel/cpu/intel_cacheinfo.c
index 9df87b03612..c8547a6fa7e 100644
--- a/arch/i386/kernel/cpu/intel_cacheinfo.c
+++ b/arch/i386/kernel/cpu/intel_cacheinfo.c
@@ -642,7 +642,7 @@ static void __cpuexit cache_remove_dev(struct sys_device * sys_dev)
return;
}
-static int __cpuinit cacheinfo_cpu_callback(struct notifier_block *nfb,
+static int cacheinfo_cpu_callback(struct notifier_block *nfb,
unsigned long action, void *hcpu)
{
unsigned int cpu = (unsigned long)hcpu;
diff --git a/arch/i386/kernel/cpuid.c b/arch/i386/kernel/cpuid.c
index 006141d1c12..1d9a4abcdfc 100644
--- a/arch/i386/kernel/cpuid.c
+++ b/arch/i386/kernel/cpuid.c
@@ -168,7 +168,7 @@ static int cpuid_class_device_create(int i)
return err;
}
-static int __devinit cpuid_class_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
+static int cpuid_class_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
{
unsigned int cpu = (unsigned long)hcpu;
diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c
index f19768789e8..38806f42784 100644
--- a/arch/i386/kernel/kprobes.c
+++ b/arch/i386/kernel/kprobes.c
@@ -43,7 +43,7 @@ DEFINE_PER_CPU(struct kprobe *, current_kprobe) = NULL;
DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
/* insert a jmp code */
-static inline void set_jmp_op(void *from, void *to)
+static __always_inline void set_jmp_op(void *from, void *to)
{
struct __arch_jmp_op {
char op;
@@ -57,7 +57,7 @@ static inline void set_jmp_op(void *from, void *to)
/*
* returns non-zero if opcodes can be boosted.
*/
-static inline int can_boost(kprobe_opcode_t opcode)
+static __always_inline int can_boost(kprobe_opcode_t opcode)
{
switch (opcode & 0xf0 ) {
case 0x70:
@@ -88,7 +88,7 @@ static inline int can_boost(kprobe_opcode_t opcode)
/*
* returns non-zero if opcode modifies the interrupt flag.
*/
-static inline int is_IF_modifier(kprobe_opcode_t opcode)
+static int __kprobes is_IF_modifier(kprobe_opcode_t opcode)
{
switch (opcode) {
case 0xfa: /* cli */
@@ -138,7 +138,7 @@ void __kprobes arch_remove_kprobe(struct kprobe *p)
mutex_unlock(&kprobe_mutex);
}
-static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb)
+static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb)
{
kcb->prev_kprobe.kp = kprobe_running();
kcb->prev_kprobe.status = kcb->kprobe_status;
@@ -146,7 +146,7 @@ static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb)
kcb->prev_kprobe.saved_eflags = kcb->kprobe_saved_eflags;
}
-static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb)
+static void __kprobes restore_previous_kprobe(struct kprobe_ctlblk *kcb)
{
__get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp;
kcb->kprobe_status = kcb->prev_kprobe.status;
@@ -154,7 +154,7 @@ static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb)
kcb->kprobe_saved_eflags = kcb->prev_kprobe.saved_eflags;
}
-static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
+static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
struct kprobe_ctlblk *kcb)
{
__get_cpu_var(current_kprobe) = p;
@@ -164,7 +164,7 @@ static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
kcb->kprobe_saved_eflags &= ~IF_MASK;
}
-static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
+static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
{
regs->eflags |= TF_MASK;
regs->eflags &= ~IF_MASK;
@@ -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
*/
@@ -507,7 +502,7 @@ no_change:
* Interrupts are disabled on entry as trap1 is an interrupt gate and they
* remain disabled thoroughout this function.
*/
-static inline int post_kprobe_handler(struct pt_regs *regs)
+static int __kprobes post_kprobe_handler(struct pt_regs *regs)
{
struct kprobe *cur = kprobe_running();
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
@@ -543,7 +538,7 @@ out:
return 1;
}
-static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr)
+static int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
{
struct kprobe *cur = kprobe_running();
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
diff --git a/arch/i386/kernel/msr.c b/arch/i386/kernel/msr.c
index 1d0a55e6876..7a328230e54 100644
--- a/arch/i386/kernel/msr.c
+++ b/arch/i386/kernel/msr.c
@@ -251,7 +251,7 @@ static int msr_class_device_create(int i)
return err;
}
-static int __devinit msr_class_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
+static int msr_class_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
{
unsigned int cpu = (unsigned long)hcpu;
diff --git a/arch/i386/kernel/ptrace.c b/arch/i386/kernel/ptrace.c
index 506462ef36a..fd7eaf7866e 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 80cb3b2d099..d77e89ac0d5 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 a6969903f2d..825b2b4ca72 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 5e41ee29c8c..f1187ddb0d0 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 aee14fafd13..00e0118e717 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/mach-voyager/voyager_cat.c b/arch/i386/mach-voyager/voyager_cat.c
index 3039539de51..10d21df1453 100644
--- a/arch/i386/mach-voyager/voyager_cat.c
+++ b/arch/i386/mach-voyager/voyager_cat.c
@@ -120,7 +120,6 @@ static struct resource qic_res = {
* It writes num_bits of the data buffer in msg starting at start_bit.
* Note: This function assumes that any unused bit in the data stream
* is set to zero so that the ors will work correctly */
-#define BITS_PER_BYTE 8
static void
cat_pack(__u8 *msg, const __u16 start_bit, __u8 *data, const __u16 num_bits)
{
diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c
index 73235443fda..06dab00aaad 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 2.25.1) at 2024-07-16 11:06:49 +0000