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-rw-r--r--arch/x86/ia32/sys_ia32.c19
-rw-r--r--arch/x86/include/asm/desc.h2
-rw-r--r--arch/x86/include/asm/hardirq.h2
-rw-r--r--arch/x86/include/asm/lguest_hcall.h2
-rw-r--r--arch/x86/include/asm/processor.h6
-rw-r--r--arch/x86/include/asm/tlbflush.h2
-rw-r--r--arch/x86/kernel/hpet.c6
-rw-r--r--arch/x86/kernel/i8253.c2
-rw-r--r--arch/x86/kernel/kvmclock.c7
-rw-r--r--arch/x86/kernel/tsc.c2
-rw-r--r--arch/x86/kernel/vmiclock_32.c2
-rw-r--r--arch/x86/lguest/boot.c18
-rw-r--r--arch/x86/xen/time.c7
13 files changed, 40 insertions, 37 deletions
diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c
index efac92fd1ef..085a8c35f14 100644
--- a/arch/x86/ia32/sys_ia32.c
+++ b/arch/x86/ia32/sys_ia32.c
@@ -129,21 +129,12 @@ asmlinkage long sys32_fstatat(unsigned int dfd, char __user *filename,
struct stat64 __user *statbuf, int flag)
{
struct kstat stat;
- int error = -EINVAL;
+ int error;
- if ((flag & ~AT_SYMLINK_NOFOLLOW) != 0)
- goto out;
-
- if (flag & AT_SYMLINK_NOFOLLOW)
- error = vfs_lstat_fd(dfd, filename, &stat);
- else
- error = vfs_stat_fd(dfd, filename, &stat);
-
- if (!error)
- error = cp_stat64(statbuf, &stat);
-
-out:
- return error;
+ error = vfs_fstatat(dfd, filename, &stat, flag);
+ if (error)
+ return error;
+ return cp_stat64(statbuf, &stat);
}
/*
diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h
index 5623c50d67b..c45f415ce31 100644
--- a/arch/x86/include/asm/desc.h
+++ b/arch/x86/include/asm/desc.h
@@ -37,7 +37,7 @@ extern gate_desc idt_table[];
struct gdt_page {
struct desc_struct gdt[GDT_ENTRIES];
} __attribute__((aligned(PAGE_SIZE)));
-DECLARE_PER_CPU(struct gdt_page, gdt_page);
+DECLARE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page);
static inline struct desc_struct *get_cpu_gdt_table(unsigned int cpu)
{
diff --git a/arch/x86/include/asm/hardirq.h b/arch/x86/include/asm/hardirq.h
index 039db6aa8e0..37555e52f98 100644
--- a/arch/x86/include/asm/hardirq.h
+++ b/arch/x86/include/asm/hardirq.h
@@ -26,7 +26,7 @@ typedef struct {
#endif
} ____cacheline_aligned irq_cpustat_t;
-DECLARE_PER_CPU(irq_cpustat_t, irq_stat);
+DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
/* We can have at most NR_VECTORS irqs routed to a cpu at a time */
#define MAX_HARDIRQS_PER_CPU NR_VECTORS
diff --git a/arch/x86/include/asm/lguest_hcall.h b/arch/x86/include/asm/lguest_hcall.h
index 0f4ee7148af..faae1996487 100644
--- a/arch/x86/include/asm/lguest_hcall.h
+++ b/arch/x86/include/asm/lguest_hcall.h
@@ -5,7 +5,6 @@
#define LHCALL_FLUSH_ASYNC 0
#define LHCALL_LGUEST_INIT 1
#define LHCALL_SHUTDOWN 2
-#define LHCALL_LOAD_GDT 3
#define LHCALL_NEW_PGTABLE 4
#define LHCALL_FLUSH_TLB 5
#define LHCALL_LOAD_IDT_ENTRY 6
@@ -17,6 +16,7 @@
#define LHCALL_SET_PMD 15
#define LHCALL_LOAD_TLS 16
#define LHCALL_NOTIFY 17
+#define LHCALL_LOAD_GDT_ENTRY 18
#define LGUEST_TRAP_ENTRY 0x1F
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index fcf4d92e7e0..c2cceae709c 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -138,7 +138,7 @@ extern struct tss_struct doublefault_tss;
extern __u32 cleared_cpu_caps[NCAPINTS];
#ifdef CONFIG_SMP
-DECLARE_PER_CPU(struct cpuinfo_x86, cpu_info);
+DECLARE_PER_CPU_SHARED_ALIGNED(struct cpuinfo_x86, cpu_info);
#define cpu_data(cpu) per_cpu(cpu_info, cpu)
#define current_cpu_data __get_cpu_var(cpu_info)
#else
@@ -270,7 +270,7 @@ struct tss_struct {
} ____cacheline_aligned;
-DECLARE_PER_CPU(struct tss_struct, init_tss);
+DECLARE_PER_CPU_SHARED_ALIGNED(struct tss_struct, init_tss);
/*
* Save the original ist values for checking stack pointers during debugging
@@ -393,7 +393,7 @@ union irq_stack_union {
};
};
-DECLARE_PER_CPU(union irq_stack_union, irq_stack_union);
+DECLARE_PER_CPU_FIRST(union irq_stack_union, irq_stack_union);
DECLARE_INIT_PER_CPU(irq_stack_union);
DECLARE_PER_CPU(char *, irq_stack_ptr);
diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
index d3539f998f8..16a5c84b032 100644
--- a/arch/x86/include/asm/tlbflush.h
+++ b/arch/x86/include/asm/tlbflush.h
@@ -152,7 +152,7 @@ struct tlb_state {
struct mm_struct *active_mm;
int state;
};
-DECLARE_PER_CPU(struct tlb_state, cpu_tlbstate);
+DECLARE_PER_CPU_SHARED_ALIGNED(struct tlb_state, cpu_tlbstate);
static inline void reset_lazy_tlbstate(void)
{
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 648b3a2a3a4..3f0019e0a22 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -722,7 +722,7 @@ static int hpet_cpuhp_notify(struct notifier_block *n,
/*
* Clock source related code
*/
-static cycle_t read_hpet(void)
+static cycle_t read_hpet(struct clocksource *cs)
{
return (cycle_t)hpet_readl(HPET_COUNTER);
}
@@ -756,7 +756,7 @@ static int hpet_clocksource_register(void)
hpet_restart_counter();
/* Verify whether hpet counter works */
- t1 = read_hpet();
+ t1 = hpet_readl(HPET_COUNTER);
rdtscll(start);
/*
@@ -770,7 +770,7 @@ static int hpet_clocksource_register(void)
rdtscll(now);
} while ((now - start) < 200000UL);
- if (t1 == read_hpet()) {
+ if (t1 == hpet_readl(HPET_COUNTER)) {
printk(KERN_WARNING
"HPET counter not counting. HPET disabled\n");
return -ENODEV;
diff --git a/arch/x86/kernel/i8253.c b/arch/x86/kernel/i8253.c
index 3475440baa5..c2e0bb0890d 100644
--- a/arch/x86/kernel/i8253.c
+++ b/arch/x86/kernel/i8253.c
@@ -129,7 +129,7 @@ void __init setup_pit_timer(void)
* to just read by itself. So use jiffies to emulate a free
* running counter:
*/
-static cycle_t pit_read(void)
+static cycle_t pit_read(struct clocksource *cs)
{
static int old_count;
static u32 old_jifs;
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index 137f2e8132d..223af43f152 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -77,6 +77,11 @@ static cycle_t kvm_clock_read(void)
return ret;
}
+static cycle_t kvm_clock_get_cycles(struct clocksource *cs)
+{
+ return kvm_clock_read();
+}
+
/*
* If we don't do that, there is the possibility that the guest
* will calibrate under heavy load - thus, getting a lower lpj -
@@ -107,7 +112,7 @@ static void kvm_get_preset_lpj(void)
static struct clocksource kvm_clock = {
.name = "kvm-clock",
- .read = kvm_clock_read,
+ .read = kvm_clock_get_cycles,
.rating = 400,
.mask = CLOCKSOURCE_MASK(64),
.mult = 1 << KVM_SCALE,
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 7a567ebe636..d57de05dc43 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -699,7 +699,7 @@ static struct clocksource clocksource_tsc;
* code, which is necessary to support wrapping clocksources like pm
* timer.
*/
-static cycle_t read_tsc(void)
+static cycle_t read_tsc(struct clocksource *cs)
{
cycle_t ret = (cycle_t)get_cycles();
diff --git a/arch/x86/kernel/vmiclock_32.c b/arch/x86/kernel/vmiclock_32.c
index d303369a7ba..2b3eb82efee 100644
--- a/arch/x86/kernel/vmiclock_32.c
+++ b/arch/x86/kernel/vmiclock_32.c
@@ -283,7 +283,7 @@ void __devinit vmi_time_ap_init(void)
/** vmi clocksource */
static struct clocksource clocksource_vmi;
-static cycle_t read_real_cycles(void)
+static cycle_t read_real_cycles(struct clocksource *cs)
{
cycle_t ret = (cycle_t)vmi_timer_ops.get_cycle_counter(VMI_CYCLES_REAL);
return max(ret, clocksource_vmi.cycle_last);
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index e94a11e42f9..ca7ec44bafc 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -273,15 +273,15 @@ static void lguest_load_idt(const struct desc_ptr *desc)
* controls the entire thing and the Guest asks it to make changes using the
* LOAD_GDT hypercall.
*
- * This is the opposite of the IDT code where we have a LOAD_IDT_ENTRY
- * hypercall and use that repeatedly to load a new IDT. I don't think it
- * really matters, but wouldn't it be nice if they were the same? Wouldn't
- * it be even better if you were the one to send the patch to fix it?
+ * This is the exactly like the IDT code.
*/
static void lguest_load_gdt(const struct desc_ptr *desc)
{
- BUG_ON((desc->size + 1) / 8 != GDT_ENTRIES);
- kvm_hypercall2(LHCALL_LOAD_GDT, __pa(desc->address), GDT_ENTRIES);
+ unsigned int i;
+ struct desc_struct *gdt = (void *)desc->address;
+
+ for (i = 0; i < (desc->size+1)/8; i++)
+ kvm_hypercall3(LHCALL_LOAD_GDT_ENTRY, i, gdt[i].a, gdt[i].b);
}
/* For a single GDT entry which changes, we do the lazy thing: alter our GDT,
@@ -291,7 +291,9 @@ static void lguest_write_gdt_entry(struct desc_struct *dt, int entrynum,
const void *desc, int type)
{
native_write_gdt_entry(dt, entrynum, desc, type);
- kvm_hypercall2(LHCALL_LOAD_GDT, __pa(dt), GDT_ENTRIES);
+ /* Tell Host about this new entry. */
+ kvm_hypercall3(LHCALL_LOAD_GDT_ENTRY, entrynum,
+ dt[entrynum].a, dt[entrynum].b);
}
/* OK, I lied. There are three "thread local storage" GDT entries which change
@@ -661,7 +663,7 @@ static unsigned long lguest_tsc_khz(void)
/* If we can't use the TSC, the kernel falls back to our lower-priority
* "lguest_clock", where we read the time value given to us by the Host. */
-static cycle_t lguest_clock_read(void)
+static cycle_t lguest_clock_read(struct clocksource *cs)
{
unsigned long sec, nsec;
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index 14f24062349..0a5aa44299a 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -213,6 +213,11 @@ cycle_t xen_clocksource_read(void)
return ret;
}
+static cycle_t xen_clocksource_get_cycles(struct clocksource *cs)
+{
+ return xen_clocksource_read();
+}
+
static void xen_read_wallclock(struct timespec *ts)
{
struct shared_info *s = HYPERVISOR_shared_info;
@@ -241,7 +246,7 @@ int xen_set_wallclock(unsigned long now)
static struct clocksource xen_clocksource __read_mostly = {
.name = "xen",
.rating = 400,
- .read = xen_clocksource_read,
+ .read = xen_clocksource_get_cycles,
.mask = ~0,
.mult = 1<<XEN_SHIFT, /* time directly in nanoseconds */
.shift = XEN_SHIFT,
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-21 11:20:41 +0000