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Diffstat (limited to 'arch/i386/kernel/paravirt.c')
-rw-r--r--arch/i386/kernel/paravirt.c116
1 files changed, 62 insertions, 54 deletions
diff --git a/arch/i386/kernel/paravirt.c b/arch/i386/kernel/paravirt.c
index e55fd05da0f..c156ecfa387 100644
--- a/arch/i386/kernel/paravirt.c
+++ b/arch/i386/kernel/paravirt.c
@@ -92,7 +92,7 @@ static unsigned native_patch(u8 type, u16 clobbers, void *insns, unsigned len)
return insn_len;
}
-static fastcall unsigned long native_get_debugreg(int regno)
+static unsigned long native_get_debugreg(int regno)
{
unsigned long val = 0; /* Damn you, gcc! */
@@ -115,7 +115,7 @@ static fastcall unsigned long native_get_debugreg(int regno)
return val;
}
-static fastcall void native_set_debugreg(int regno, unsigned long value)
+static void native_set_debugreg(int regno, unsigned long value)
{
switch (regno) {
case 0:
@@ -146,55 +146,55 @@ void init_IRQ(void)
paravirt_ops.init_IRQ();
}
-static fastcall void native_clts(void)
+static void native_clts(void)
{
asm volatile ("clts");
}
-static fastcall unsigned long native_read_cr0(void)
+static unsigned long native_read_cr0(void)
{
unsigned long val;
asm volatile("movl %%cr0,%0\n\t" :"=r" (val));
return val;
}
-static fastcall void native_write_cr0(unsigned long val)
+static void native_write_cr0(unsigned long val)
{
asm volatile("movl %0,%%cr0": :"r" (val));
}
-static fastcall unsigned long native_read_cr2(void)
+static unsigned long native_read_cr2(void)
{
unsigned long val;
asm volatile("movl %%cr2,%0\n\t" :"=r" (val));
return val;
}
-static fastcall void native_write_cr2(unsigned long val)
+static void native_write_cr2(unsigned long val)
{
asm volatile("movl %0,%%cr2": :"r" (val));
}
-static fastcall unsigned long native_read_cr3(void)
+static unsigned long native_read_cr3(void)
{
unsigned long val;
asm volatile("movl %%cr3,%0\n\t" :"=r" (val));
return val;
}
-static fastcall void native_write_cr3(unsigned long val)
+static void native_write_cr3(unsigned long val)
{
asm volatile("movl %0,%%cr3": :"r" (val));
}
-static fastcall unsigned long native_read_cr4(void)
+static unsigned long native_read_cr4(void)
{
unsigned long val;
asm volatile("movl %%cr4,%0\n\t" :"=r" (val));
return val;
}
-static fastcall unsigned long native_read_cr4_safe(void)
+static unsigned long native_read_cr4_safe(void)
{
unsigned long val;
/* This could fault if %cr4 does not exist */
@@ -207,51 +207,51 @@ static fastcall unsigned long native_read_cr4_safe(void)
return val;
}
-static fastcall void native_write_cr4(unsigned long val)
+static void native_write_cr4(unsigned long val)
{
asm volatile("movl %0,%%cr4": :"r" (val));
}
-static fastcall unsigned long native_save_fl(void)
+static unsigned long native_save_fl(void)
{
unsigned long f;
asm volatile("pushfl ; popl %0":"=g" (f): /* no input */);
return f;
}
-static fastcall void native_restore_fl(unsigned long f)
+static void native_restore_fl(unsigned long f)
{
asm volatile("pushl %0 ; popfl": /* no output */
:"g" (f)
:"memory", "cc");
}
-static fastcall void native_irq_disable(void)
+static void native_irq_disable(void)
{
asm volatile("cli": : :"memory");
}
-static fastcall void native_irq_enable(void)
+static void native_irq_enable(void)
{
asm volatile("sti": : :"memory");
}
-static fastcall void native_safe_halt(void)
+static void native_safe_halt(void)
{
asm volatile("sti; hlt": : :"memory");
}
-static fastcall void native_halt(void)
+static void native_halt(void)
{
asm volatile("hlt": : :"memory");
}
-static fastcall void native_wbinvd(void)
+static void native_wbinvd(void)
{
asm volatile("wbinvd": : :"memory");
}
-static fastcall unsigned long long native_read_msr(unsigned int msr, int *err)
+static unsigned long long native_read_msr(unsigned int msr, int *err)
{
unsigned long long val;
@@ -270,7 +270,7 @@ static fastcall unsigned long long native_read_msr(unsigned int msr, int *err)
return val;
}
-static fastcall int native_write_msr(unsigned int msr, unsigned long long val)
+static int native_write_msr(unsigned int msr, unsigned long long val)
{
int err;
asm volatile("2: wrmsr ; xorl %0,%0\n"
@@ -288,53 +288,53 @@ static fastcall int native_write_msr(unsigned int msr, unsigned long long val)
return err;
}
-static fastcall unsigned long long native_read_tsc(void)
+static unsigned long long native_read_tsc(void)
{
unsigned long long val;
asm volatile("rdtsc" : "=A" (val));
return val;
}
-static fastcall unsigned long long native_read_pmc(void)
+static unsigned long long native_read_pmc(void)
{
unsigned long long val;
asm volatile("rdpmc" : "=A" (val));
return val;
}
-static fastcall void native_load_tr_desc(void)
+static void native_load_tr_desc(void)
{
asm volatile("ltr %w0"::"q" (GDT_ENTRY_TSS*8));
}
-static fastcall void native_load_gdt(const struct Xgt_desc_struct *dtr)
+static void native_load_gdt(const struct Xgt_desc_struct *dtr)
{
asm volatile("lgdt %0"::"m" (*dtr));
}
-static fastcall void native_load_idt(const struct Xgt_desc_struct *dtr)
+static void native_load_idt(const struct Xgt_desc_struct *dtr)
{
asm volatile("lidt %0"::"m" (*dtr));
}
-static fastcall void native_store_gdt(struct Xgt_desc_struct *dtr)
+static void native_store_gdt(struct Xgt_desc_struct *dtr)
{
asm ("sgdt %0":"=m" (*dtr));
}
-static fastcall void native_store_idt(struct Xgt_desc_struct *dtr)
+static void native_store_idt(struct Xgt_desc_struct *dtr)
{
asm ("sidt %0":"=m" (*dtr));
}
-static fastcall unsigned long native_store_tr(void)
+static unsigned long native_store_tr(void)
{
unsigned long tr;
asm ("str %0":"=r" (tr));
return tr;
}
-static fastcall void native_load_tls(struct thread_struct *t, unsigned int cpu)
+static void native_load_tls(struct thread_struct *t, unsigned int cpu)
{
#define C(i) get_cpu_gdt_table(cpu)[GDT_ENTRY_TLS_MIN + i] = t->tls_array[i]
C(0); C(1); C(2);
@@ -348,22 +348,22 @@ static inline void native_write_dt_entry(void *dt, int entry, u32 entry_low, u32
lp[1] = entry_high;
}
-static fastcall void native_write_ldt_entry(void *dt, int entrynum, u32 low, u32 high)
+static void native_write_ldt_entry(void *dt, int entrynum, u32 low, u32 high)
{
native_write_dt_entry(dt, entrynum, low, high);
}
-static fastcall void native_write_gdt_entry(void *dt, int entrynum, u32 low, u32 high)
+static void native_write_gdt_entry(void *dt, int entrynum, u32 low, u32 high)
{
native_write_dt_entry(dt, entrynum, low, high);
}
-static fastcall void native_write_idt_entry(void *dt, int entrynum, u32 low, u32 high)
+static void native_write_idt_entry(void *dt, int entrynum, u32 low, u32 high)
{
native_write_dt_entry(dt, entrynum, low, high);
}
-static fastcall void native_load_esp0(struct tss_struct *tss,
+static void native_load_esp0(struct tss_struct *tss,
struct thread_struct *thread)
{
tss->esp0 = thread->esp0;
@@ -375,12 +375,12 @@ static fastcall void native_load_esp0(struct tss_struct *tss,
}
}
-static fastcall void native_io_delay(void)
+static void native_io_delay(void)
{
asm volatile("outb %al,$0x80");
}
-static fastcall void native_flush_tlb(void)
+static void native_flush_tlb(void)
{
__native_flush_tlb();
}
@@ -389,49 +389,49 @@ static fastcall void native_flush_tlb(void)
* Global pages have to be flushed a bit differently. Not a real
* performance problem because this does not happen often.
*/
-static fastcall void native_flush_tlb_global(void)
+static void native_flush_tlb_global(void)
{
__native_flush_tlb_global();
}
-static fastcall void native_flush_tlb_single(u32 addr)
+static void native_flush_tlb_single(u32 addr)
{
__native_flush_tlb_single(addr);
}
#ifndef CONFIG_X86_PAE
-static fastcall void native_set_pte(pte_t *ptep, pte_t pteval)
+static void native_set_pte(pte_t *ptep, pte_t pteval)
{
*ptep = pteval;
}
-static fastcall void native_set_pte_at(struct mm_struct *mm, u32 addr, pte_t *ptep, pte_t pteval)
+static void native_set_pte_at(struct mm_struct *mm, u32 addr, pte_t *ptep, pte_t pteval)
{
*ptep = pteval;
}
-static fastcall void native_set_pmd(pmd_t *pmdp, pmd_t pmdval)
+static void native_set_pmd(pmd_t *pmdp, pmd_t pmdval)
{
*pmdp = pmdval;
}
#else /* CONFIG_X86_PAE */
-static fastcall void native_set_pte(pte_t *ptep, pte_t pte)
+static void native_set_pte(pte_t *ptep, pte_t pte)
{
ptep->pte_high = pte.pte_high;
smp_wmb();
ptep->pte_low = pte.pte_low;
}
-static fastcall void native_set_pte_at(struct mm_struct *mm, u32 addr, pte_t *ptep, pte_t pte)
+static void native_set_pte_at(struct mm_struct *mm, u32 addr, pte_t *ptep, pte_t pte)
{
ptep->pte_high = pte.pte_high;
smp_wmb();
ptep->pte_low = pte.pte_low;
}
-static fastcall void native_set_pte_present(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte)
+static void native_set_pte_present(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte)
{
ptep->pte_low = 0;
smp_wmb();
@@ -440,29 +440,29 @@ static fastcall void native_set_pte_present(struct mm_struct *mm, unsigned long
ptep->pte_low = pte.pte_low;
}
-static fastcall void native_set_pte_atomic(pte_t *ptep, pte_t pteval)
+static void native_set_pte_atomic(pte_t *ptep, pte_t pteval)
{
set_64bit((unsigned long long *)ptep,pte_val(pteval));
}
-static fastcall void native_set_pmd(pmd_t *pmdp, pmd_t pmdval)
+static void native_set_pmd(pmd_t *pmdp, pmd_t pmdval)
{
set_64bit((unsigned long long *)pmdp,pmd_val(pmdval));
}
-static fastcall void native_set_pud(pud_t *pudp, pud_t pudval)
+static void native_set_pud(pud_t *pudp, pud_t pudval)
{
*pudp = pudval;
}
-static fastcall void native_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
+static void native_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
{
ptep->pte_low = 0;
smp_wmb();
ptep->pte_high = 0;
}
-static fastcall void native_pmd_clear(pmd_t *pmd)
+static void native_pmd_clear(pmd_t *pmd)
{
u32 *tmp = (u32 *)pmd;
*tmp = 0;
@@ -472,8 +472,8 @@ static fastcall void native_pmd_clear(pmd_t *pmd)
#endif /* CONFIG_X86_PAE */
/* These are in entry.S */
-extern fastcall void native_iret(void);
-extern fastcall void native_irq_enable_sysexit(void);
+extern void native_iret(void);
+extern void native_irq_enable_sysexit(void);
static int __init print_banner(void)
{
@@ -482,9 +482,6 @@ static int __init print_banner(void)
}
core_initcall(print_banner);
-/* We simply declare start_kernel to be the paravirt probe of last resort. */
-paravirt_probe(start_kernel);
-
struct paravirt_ops paravirt_ops = {
.name = "bare hardware",
.paravirt_enabled = 0,
@@ -544,12 +541,21 @@ struct paravirt_ops paravirt_ops = {
.apic_write = native_apic_write,
.apic_write_atomic = native_apic_write_atomic,
.apic_read = native_apic_read,
+ .setup_boot_clock = setup_boot_APIC_clock,
+ .setup_secondary_clock = setup_secondary_APIC_clock,
#endif
+ .set_lazy_mode = (void *)native_nop,
.flush_tlb_user = native_flush_tlb,
.flush_tlb_kernel = native_flush_tlb_global,
.flush_tlb_single = native_flush_tlb_single,
+ .alloc_pt = (void *)native_nop,
+ .alloc_pd = (void *)native_nop,
+ .alloc_pd_clone = (void *)native_nop,
+ .release_pt = (void *)native_nop,
+ .release_pd = (void *)native_nop,
+
.set_pte = native_set_pte,
.set_pte_at = native_set_pte_at,
.set_pmd = native_set_pmd,
@@ -565,6 +571,8 @@ struct paravirt_ops paravirt_ops = {
.irq_enable_sysexit = native_irq_enable_sysexit,
.iret = native_iret,
+
+ .startup_ipi_hook = (void *)native_nop,
};
/*