Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index e375d42..69089d4 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -17,16 +17,78 @@
#include <linux/cpumask.h>
#include <asm/frame.h>
+static inline unsigned long long paravirt_sched_clock(void)
+{
+ return PVOP_CALL0(unsigned long long, time.sched_clock);
+}
+
+struct static_key;
+extern struct static_key paravirt_steal_enabled;
+extern struct static_key paravirt_steal_rq_enabled;
+
+__visible void __native_queued_spin_unlock(struct qspinlock *lock);
+bool pv_is_native_spin_unlock(void);
+__visible bool __native_vcpu_is_preempted(long cpu);
+bool pv_is_native_vcpu_is_preempted(void);
+
+static inline u64 paravirt_steal_clock(int cpu)
+{
+ return PVOP_CALL1(u64, time.steal_clock, cpu);
+}
+
+/* The paravirtualized I/O functions */
+static inline void slow_down_io(void)
+{
+ pv_ops.cpu.io_delay();
+#ifdef REALLY_SLOW_IO
+ pv_ops.cpu.io_delay();
+ pv_ops.cpu.io_delay();
+ pv_ops.cpu.io_delay();
+#endif
+}
+
+static inline void __flush_tlb(void)
+{
+ PVOP_VCALL0(mmu.flush_tlb_user);
+}
+
+static inline void __flush_tlb_global(void)
+{
+ PVOP_VCALL0(mmu.flush_tlb_kernel);
+}
+
+static inline void __flush_tlb_one_user(unsigned long addr)
+{
+ PVOP_VCALL1(mmu.flush_tlb_one_user, addr);
+}
+
+static inline void flush_tlb_others(const struct cpumask *cpumask,
+ const struct flush_tlb_info *info)
+{
+ PVOP_VCALL2(mmu.flush_tlb_others, cpumask, info);
+}
+
+static inline void paravirt_tlb_remove_table(struct mmu_gather *tlb, void *table)
+{
+ PVOP_VCALL2(mmu.tlb_remove_table, tlb, table);
+}
+
+static inline void paravirt_arch_exit_mmap(struct mm_struct *mm)
+{
+ PVOP_VCALL1(mmu.exit_mmap, mm);
+}
+
+#ifdef CONFIG_PARAVIRT_XXL
static inline void load_sp0(unsigned long sp0)
{
- PVOP_VCALL1(pv_cpu_ops.load_sp0, sp0);
+ PVOP_VCALL1(cpu.load_sp0, sp0);
}
/* The paravirtualized CPUID instruction. */
static inline void __cpuid(unsigned int *eax, unsigned int *ebx,
unsigned int *ecx, unsigned int *edx)
{
- PVOP_VCALL4(pv_cpu_ops.cpuid, eax, ebx, ecx, edx);
+ PVOP_VCALL4(cpu.cpuid, eax, ebx, ecx, edx);
}
/*
@@ -34,98 +96,86 @@
*/
static inline unsigned long paravirt_get_debugreg(int reg)
{
- return PVOP_CALL1(unsigned long, pv_cpu_ops.get_debugreg, reg);
+ return PVOP_CALL1(unsigned long, cpu.get_debugreg, reg);
}
#define get_debugreg(var, reg) var = paravirt_get_debugreg(reg)
static inline void set_debugreg(unsigned long val, int reg)
{
- PVOP_VCALL2(pv_cpu_ops.set_debugreg, reg, val);
+ PVOP_VCALL2(cpu.set_debugreg, reg, val);
}
static inline unsigned long read_cr0(void)
{
- return PVOP_CALL0(unsigned long, pv_cpu_ops.read_cr0);
+ return PVOP_CALL0(unsigned long, cpu.read_cr0);
}
static inline void write_cr0(unsigned long x)
{
- PVOP_VCALL1(pv_cpu_ops.write_cr0, x);
+ PVOP_VCALL1(cpu.write_cr0, x);
}
static inline unsigned long read_cr2(void)
{
- return PVOP_CALL0(unsigned long, pv_mmu_ops.read_cr2);
+ return PVOP_CALLEE0(unsigned long, mmu.read_cr2);
}
static inline void write_cr2(unsigned long x)
{
- PVOP_VCALL1(pv_mmu_ops.write_cr2, x);
+ PVOP_VCALL1(mmu.write_cr2, x);
}
static inline unsigned long __read_cr3(void)
{
- return PVOP_CALL0(unsigned long, pv_mmu_ops.read_cr3);
+ return PVOP_CALL0(unsigned long, mmu.read_cr3);
}
static inline void write_cr3(unsigned long x)
{
- PVOP_VCALL1(pv_mmu_ops.write_cr3, x);
+ PVOP_VCALL1(mmu.write_cr3, x);
}
static inline void __write_cr4(unsigned long x)
{
- PVOP_VCALL1(pv_cpu_ops.write_cr4, x);
+ PVOP_VCALL1(cpu.write_cr4, x);
}
-#ifdef CONFIG_X86_64
-static inline unsigned long read_cr8(void)
-{
- return PVOP_CALL0(unsigned long, pv_cpu_ops.read_cr8);
-}
-
-static inline void write_cr8(unsigned long x)
-{
- PVOP_VCALL1(pv_cpu_ops.write_cr8, x);
-}
-#endif
-
static inline void arch_safe_halt(void)
{
- PVOP_VCALL0(pv_irq_ops.safe_halt);
+ PVOP_VCALL0(irq.safe_halt);
}
static inline void halt(void)
{
- PVOP_VCALL0(pv_irq_ops.halt);
+ PVOP_VCALL0(irq.halt);
}
static inline void wbinvd(void)
{
- PVOP_VCALL0(pv_cpu_ops.wbinvd);
+ PVOP_VCALL0(cpu.wbinvd);
}
#define get_kernel_rpl() (pv_info.kernel_rpl)
static inline u64 paravirt_read_msr(unsigned msr)
{
- return PVOP_CALL1(u64, pv_cpu_ops.read_msr, msr);
+ return PVOP_CALL1(u64, cpu.read_msr, msr);
}
static inline void paravirt_write_msr(unsigned msr,
unsigned low, unsigned high)
{
- PVOP_VCALL3(pv_cpu_ops.write_msr, msr, low, high);
+ PVOP_VCALL3(cpu.write_msr, msr, low, high);
}
static inline u64 paravirt_read_msr_safe(unsigned msr, int *err)
{
- return PVOP_CALL2(u64, pv_cpu_ops.read_msr_safe, msr, err);
+ return PVOP_CALL2(u64, cpu.read_msr_safe, msr, err);
}
static inline int paravirt_write_msr_safe(unsigned msr,
unsigned low, unsigned high)
{
- return PVOP_CALL3(int, pv_cpu_ops.write_msr_safe, msr, low, high);
+ return PVOP_CALL3(int, cpu.write_msr_safe, msr, low, high);
}
#define rdmsr(msr, val1, val2) \
@@ -170,23 +220,9 @@
return err;
}
-static inline unsigned long long paravirt_sched_clock(void)
-{
- return PVOP_CALL0(unsigned long long, pv_time_ops.sched_clock);
-}
-
-struct static_key;
-extern struct static_key paravirt_steal_enabled;
-extern struct static_key paravirt_steal_rq_enabled;
-
-static inline u64 paravirt_steal_clock(int cpu)
-{
- return PVOP_CALL1(u64, pv_time_ops.steal_clock, cpu);
-}
-
static inline unsigned long long paravirt_read_pmc(int counter)
{
- return PVOP_CALL1(u64, pv_cpu_ops.read_pmc, counter);
+ return PVOP_CALL1(u64, cpu.read_pmc, counter);
}
#define rdpmc(counter, low, high) \
@@ -200,166 +236,127 @@
static inline void paravirt_alloc_ldt(struct desc_struct *ldt, unsigned entries)
{
- PVOP_VCALL2(pv_cpu_ops.alloc_ldt, ldt, entries);
+ PVOP_VCALL2(cpu.alloc_ldt, ldt, entries);
}
static inline void paravirt_free_ldt(struct desc_struct *ldt, unsigned entries)
{
- PVOP_VCALL2(pv_cpu_ops.free_ldt, ldt, entries);
+ PVOP_VCALL2(cpu.free_ldt, ldt, entries);
}
static inline void load_TR_desc(void)
{
- PVOP_VCALL0(pv_cpu_ops.load_tr_desc);
+ PVOP_VCALL0(cpu.load_tr_desc);
}
static inline void load_gdt(const struct desc_ptr *dtr)
{
- PVOP_VCALL1(pv_cpu_ops.load_gdt, dtr);
+ PVOP_VCALL1(cpu.load_gdt, dtr);
}
static inline void load_idt(const struct desc_ptr *dtr)
{
- PVOP_VCALL1(pv_cpu_ops.load_idt, dtr);
+ PVOP_VCALL1(cpu.load_idt, dtr);
}
static inline void set_ldt(const void *addr, unsigned entries)
{
- PVOP_VCALL2(pv_cpu_ops.set_ldt, addr, entries);
+ PVOP_VCALL2(cpu.set_ldt, addr, entries);
}
static inline unsigned long paravirt_store_tr(void)
{
- return PVOP_CALL0(unsigned long, pv_cpu_ops.store_tr);
+ return PVOP_CALL0(unsigned long, cpu.store_tr);
}
+
#define store_tr(tr) ((tr) = paravirt_store_tr())
static inline void load_TLS(struct thread_struct *t, unsigned cpu)
{
- PVOP_VCALL2(pv_cpu_ops.load_tls, t, cpu);
+ PVOP_VCALL2(cpu.load_tls, t, cpu);
}
#ifdef CONFIG_X86_64
static inline void load_gs_index(unsigned int gs)
{
- PVOP_VCALL1(pv_cpu_ops.load_gs_index, gs);
+ PVOP_VCALL1(cpu.load_gs_index, gs);
}
#endif
static inline void write_ldt_entry(struct desc_struct *dt, int entry,
const void *desc)
{
- PVOP_VCALL3(pv_cpu_ops.write_ldt_entry, dt, entry, desc);
+ PVOP_VCALL3(cpu.write_ldt_entry, dt, entry, desc);
}
static inline void write_gdt_entry(struct desc_struct *dt, int entry,
void *desc, int type)
{
- PVOP_VCALL4(pv_cpu_ops.write_gdt_entry, dt, entry, desc, type);
+ PVOP_VCALL4(cpu.write_gdt_entry, dt, entry, desc, type);
}
static inline void write_idt_entry(gate_desc *dt, int entry, const gate_desc *g)
{
- PVOP_VCALL3(pv_cpu_ops.write_idt_entry, dt, entry, g);
+ PVOP_VCALL3(cpu.write_idt_entry, dt, entry, g);
}
static inline void set_iopl_mask(unsigned mask)
{
- PVOP_VCALL1(pv_cpu_ops.set_iopl_mask, mask);
-}
-
-/* The paravirtualized I/O functions */
-static inline void slow_down_io(void)
-{
- pv_cpu_ops.io_delay();
-#ifdef REALLY_SLOW_IO
- pv_cpu_ops.io_delay();
- pv_cpu_ops.io_delay();
- pv_cpu_ops.io_delay();
-#endif
+ PVOP_VCALL1(cpu.set_iopl_mask, mask);
}
static inline void paravirt_activate_mm(struct mm_struct *prev,
struct mm_struct *next)
{
- PVOP_VCALL2(pv_mmu_ops.activate_mm, prev, next);
+ PVOP_VCALL2(mmu.activate_mm, prev, next);
}
static inline void paravirt_arch_dup_mmap(struct mm_struct *oldmm,
struct mm_struct *mm)
{
- PVOP_VCALL2(pv_mmu_ops.dup_mmap, oldmm, mm);
-}
-
-static inline void paravirt_arch_exit_mmap(struct mm_struct *mm)
-{
- PVOP_VCALL1(pv_mmu_ops.exit_mmap, mm);
-}
-
-static inline void __flush_tlb(void)
-{
- PVOP_VCALL0(pv_mmu_ops.flush_tlb_user);
-}
-static inline void __flush_tlb_global(void)
-{
- PVOP_VCALL0(pv_mmu_ops.flush_tlb_kernel);
-}
-static inline void __flush_tlb_one_user(unsigned long addr)
-{
- PVOP_VCALL1(pv_mmu_ops.flush_tlb_one_user, addr);
-}
-
-static inline void flush_tlb_others(const struct cpumask *cpumask,
- const struct flush_tlb_info *info)
-{
- PVOP_VCALL2(pv_mmu_ops.flush_tlb_others, cpumask, info);
-}
-
-static inline void paravirt_tlb_remove_table(struct mmu_gather *tlb, void *table)
-{
- PVOP_VCALL2(pv_mmu_ops.tlb_remove_table, tlb, table);
+ PVOP_VCALL2(mmu.dup_mmap, oldmm, mm);
}
static inline int paravirt_pgd_alloc(struct mm_struct *mm)
{
- return PVOP_CALL1(int, pv_mmu_ops.pgd_alloc, mm);
+ return PVOP_CALL1(int, mmu.pgd_alloc, mm);
}
static inline void paravirt_pgd_free(struct mm_struct *mm, pgd_t *pgd)
{
- PVOP_VCALL2(pv_mmu_ops.pgd_free, mm, pgd);
+ PVOP_VCALL2(mmu.pgd_free, mm, pgd);
}
static inline void paravirt_alloc_pte(struct mm_struct *mm, unsigned long pfn)
{
- PVOP_VCALL2(pv_mmu_ops.alloc_pte, mm, pfn);
+ PVOP_VCALL2(mmu.alloc_pte, mm, pfn);
}
static inline void paravirt_release_pte(unsigned long pfn)
{
- PVOP_VCALL1(pv_mmu_ops.release_pte, pfn);
+ PVOP_VCALL1(mmu.release_pte, pfn);
}
static inline void paravirt_alloc_pmd(struct mm_struct *mm, unsigned long pfn)
{
- PVOP_VCALL2(pv_mmu_ops.alloc_pmd, mm, pfn);
+ PVOP_VCALL2(mmu.alloc_pmd, mm, pfn);
}
static inline void paravirt_release_pmd(unsigned long pfn)
{
- PVOP_VCALL1(pv_mmu_ops.release_pmd, pfn);
+ PVOP_VCALL1(mmu.release_pmd, pfn);
}
static inline void paravirt_alloc_pud(struct mm_struct *mm, unsigned long pfn)
{
- PVOP_VCALL2(pv_mmu_ops.alloc_pud, mm, pfn);
+ PVOP_VCALL2(mmu.alloc_pud, mm, pfn);
}
static inline void paravirt_release_pud(unsigned long pfn)
{
- PVOP_VCALL1(pv_mmu_ops.release_pud, pfn);
+ PVOP_VCALL1(mmu.release_pud, pfn);
}
static inline void paravirt_alloc_p4d(struct mm_struct *mm, unsigned long pfn)
{
- PVOP_VCALL2(pv_mmu_ops.alloc_p4d, mm, pfn);
+ PVOP_VCALL2(mmu.alloc_p4d, mm, pfn);
}
static inline void paravirt_release_p4d(unsigned long pfn)
{
- PVOP_VCALL1(pv_mmu_ops.release_p4d, pfn);
+ PVOP_VCALL1(mmu.release_p4d, pfn);
}
static inline pte_t __pte(pteval_t val)
@@ -367,13 +364,9 @@
pteval_t ret;
if (sizeof(pteval_t) > sizeof(long))
- ret = PVOP_CALLEE2(pteval_t,
- pv_mmu_ops.make_pte,
- val, (u64)val >> 32);
+ ret = PVOP_CALLEE2(pteval_t, mmu.make_pte, val, (u64)val >> 32);
else
- ret = PVOP_CALLEE1(pteval_t,
- pv_mmu_ops.make_pte,
- val);
+ ret = PVOP_CALLEE1(pteval_t, mmu.make_pte, val);
return (pte_t) { .pte = ret };
}
@@ -383,11 +376,10 @@
pteval_t ret;
if (sizeof(pteval_t) > sizeof(long))
- ret = PVOP_CALLEE2(pteval_t, pv_mmu_ops.pte_val,
+ ret = PVOP_CALLEE2(pteval_t, mmu.pte_val,
pte.pte, (u64)pte.pte >> 32);
else
- ret = PVOP_CALLEE1(pteval_t, pv_mmu_ops.pte_val,
- pte.pte);
+ ret = PVOP_CALLEE1(pteval_t, mmu.pte_val, pte.pte);
return ret;
}
@@ -397,11 +389,9 @@
pgdval_t ret;
if (sizeof(pgdval_t) > sizeof(long))
- ret = PVOP_CALLEE2(pgdval_t, pv_mmu_ops.make_pgd,
- val, (u64)val >> 32);
+ ret = PVOP_CALLEE2(pgdval_t, mmu.make_pgd, val, (u64)val >> 32);
else
- ret = PVOP_CALLEE1(pgdval_t, pv_mmu_ops.make_pgd,
- val);
+ ret = PVOP_CALLEE1(pgdval_t, mmu.make_pgd, val);
return (pgd_t) { ret };
}
@@ -411,46 +401,43 @@
pgdval_t ret;
if (sizeof(pgdval_t) > sizeof(long))
- ret = PVOP_CALLEE2(pgdval_t, pv_mmu_ops.pgd_val,
+ ret = PVOP_CALLEE2(pgdval_t, mmu.pgd_val,
pgd.pgd, (u64)pgd.pgd >> 32);
else
- ret = PVOP_CALLEE1(pgdval_t, pv_mmu_ops.pgd_val,
- pgd.pgd);
+ ret = PVOP_CALLEE1(pgdval_t, mmu.pgd_val, pgd.pgd);
return ret;
}
#define __HAVE_ARCH_PTEP_MODIFY_PROT_TRANSACTION
-static inline pte_t ptep_modify_prot_start(struct mm_struct *mm, unsigned long addr,
+static inline pte_t ptep_modify_prot_start(struct vm_area_struct *vma, unsigned long addr,
pte_t *ptep)
{
pteval_t ret;
- ret = PVOP_CALL3(pteval_t, pv_mmu_ops.ptep_modify_prot_start,
- mm, addr, ptep);
+ ret = PVOP_CALL3(pteval_t, mmu.ptep_modify_prot_start, vma, addr, ptep);
return (pte_t) { .pte = ret };
}
-static inline void ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t pte)
+static inline void ptep_modify_prot_commit(struct vm_area_struct *vma, unsigned long addr,
+ pte_t *ptep, pte_t old_pte, pte_t pte)
{
+
if (sizeof(pteval_t) > sizeof(long))
/* 5 arg words */
- pv_mmu_ops.ptep_modify_prot_commit(mm, addr, ptep, pte);
+ pv_ops.mmu.ptep_modify_prot_commit(vma, addr, ptep, pte);
else
- PVOP_VCALL4(pv_mmu_ops.ptep_modify_prot_commit,
- mm, addr, ptep, pte.pte);
+ PVOP_VCALL4(mmu.ptep_modify_prot_commit,
+ vma, addr, ptep, pte.pte);
}
static inline void set_pte(pte_t *ptep, pte_t pte)
{
if (sizeof(pteval_t) > sizeof(long))
- PVOP_VCALL3(pv_mmu_ops.set_pte, ptep,
- pte.pte, (u64)pte.pte >> 32);
+ PVOP_VCALL3(mmu.set_pte, ptep, pte.pte, (u64)pte.pte >> 32);
else
- PVOP_VCALL2(pv_mmu_ops.set_pte, ptep,
- pte.pte);
+ PVOP_VCALL2(mmu.set_pte, ptep, pte.pte);
}
static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
@@ -458,9 +445,9 @@
{
if (sizeof(pteval_t) > sizeof(long))
/* 5 arg words */
- pv_mmu_ops.set_pte_at(mm, addr, ptep, pte);
+ pv_ops.mmu.set_pte_at(mm, addr, ptep, pte);
else
- PVOP_VCALL4(pv_mmu_ops.set_pte_at, mm, addr, ptep, pte.pte);
+ PVOP_VCALL4(mmu.set_pte_at, mm, addr, ptep, pte.pte);
}
static inline void set_pmd(pmd_t *pmdp, pmd_t pmd)
@@ -468,9 +455,9 @@
pmdval_t val = native_pmd_val(pmd);
if (sizeof(pmdval_t) > sizeof(long))
- PVOP_VCALL3(pv_mmu_ops.set_pmd, pmdp, val, (u64)val >> 32);
+ PVOP_VCALL3(mmu.set_pmd, pmdp, val, (u64)val >> 32);
else
- PVOP_VCALL2(pv_mmu_ops.set_pmd, pmdp, val);
+ PVOP_VCALL2(mmu.set_pmd, pmdp, val);
}
#if CONFIG_PGTABLE_LEVELS >= 3
@@ -479,11 +466,9 @@
pmdval_t ret;
if (sizeof(pmdval_t) > sizeof(long))
- ret = PVOP_CALLEE2(pmdval_t, pv_mmu_ops.make_pmd,
- val, (u64)val >> 32);
+ ret = PVOP_CALLEE2(pmdval_t, mmu.make_pmd, val, (u64)val >> 32);
else
- ret = PVOP_CALLEE1(pmdval_t, pv_mmu_ops.make_pmd,
- val);
+ ret = PVOP_CALLEE1(pmdval_t, mmu.make_pmd, val);
return (pmd_t) { ret };
}
@@ -493,11 +478,10 @@
pmdval_t ret;
if (sizeof(pmdval_t) > sizeof(long))
- ret = PVOP_CALLEE2(pmdval_t, pv_mmu_ops.pmd_val,
+ ret = PVOP_CALLEE2(pmdval_t, mmu.pmd_val,
pmd.pmd, (u64)pmd.pmd >> 32);
else
- ret = PVOP_CALLEE1(pmdval_t, pv_mmu_ops.pmd_val,
- pmd.pmd);
+ ret = PVOP_CALLEE1(pmdval_t, mmu.pmd_val, pmd.pmd);
return ret;
}
@@ -507,39 +491,23 @@
pudval_t val = native_pud_val(pud);
if (sizeof(pudval_t) > sizeof(long))
- PVOP_VCALL3(pv_mmu_ops.set_pud, pudp,
- val, (u64)val >> 32);
+ PVOP_VCALL3(mmu.set_pud, pudp, val, (u64)val >> 32);
else
- PVOP_VCALL2(pv_mmu_ops.set_pud, pudp,
- val);
+ PVOP_VCALL2(mmu.set_pud, pudp, val);
}
#if CONFIG_PGTABLE_LEVELS >= 4
static inline pud_t __pud(pudval_t val)
{
pudval_t ret;
- if (sizeof(pudval_t) > sizeof(long))
- ret = PVOP_CALLEE2(pudval_t, pv_mmu_ops.make_pud,
- val, (u64)val >> 32);
- else
- ret = PVOP_CALLEE1(pudval_t, pv_mmu_ops.make_pud,
- val);
+ ret = PVOP_CALLEE1(pudval_t, mmu.make_pud, val);
return (pud_t) { ret };
}
static inline pudval_t pud_val(pud_t pud)
{
- pudval_t ret;
-
- if (sizeof(pudval_t) > sizeof(long))
- ret = PVOP_CALLEE2(pudval_t, pv_mmu_ops.pud_val,
- pud.pud, (u64)pud.pud >> 32);
- else
- ret = PVOP_CALLEE1(pudval_t, pv_mmu_ops.pud_val,
- pud.pud);
-
- return ret;
+ return PVOP_CALLEE1(pudval_t, mmu.pud_val, pud.pud);
}
static inline void pud_clear(pud_t *pudp)
@@ -551,31 +519,26 @@
{
p4dval_t val = native_p4d_val(p4d);
- if (sizeof(p4dval_t) > sizeof(long))
- PVOP_VCALL3(pv_mmu_ops.set_p4d, p4dp,
- val, (u64)val >> 32);
- else
- PVOP_VCALL2(pv_mmu_ops.set_p4d, p4dp,
- val);
+ PVOP_VCALL2(mmu.set_p4d, p4dp, val);
}
#if CONFIG_PGTABLE_LEVELS >= 5
static inline p4d_t __p4d(p4dval_t val)
{
- p4dval_t ret = PVOP_CALLEE1(p4dval_t, pv_mmu_ops.make_p4d, val);
+ p4dval_t ret = PVOP_CALLEE1(p4dval_t, mmu.make_p4d, val);
return (p4d_t) { ret };
}
static inline p4dval_t p4d_val(p4d_t p4d)
{
- return PVOP_CALLEE1(p4dval_t, pv_mmu_ops.p4d_val, p4d.p4d);
+ return PVOP_CALLEE1(p4dval_t, mmu.p4d_val, p4d.p4d);
}
static inline void __set_pgd(pgd_t *pgdp, pgd_t pgd)
{
- PVOP_VCALL2(pv_mmu_ops.set_pgd, pgdp, native_pgd_val(pgd));
+ PVOP_VCALL2(mmu.set_pgd, pgdp, native_pgd_val(pgd));
}
#define set_pgd(pgdp, pgdval) do { \
@@ -606,19 +569,18 @@
64-bit pte atomically */
static inline void set_pte_atomic(pte_t *ptep, pte_t pte)
{
- PVOP_VCALL3(pv_mmu_ops.set_pte_atomic, ptep,
- pte.pte, pte.pte >> 32);
+ PVOP_VCALL3(mmu.set_pte_atomic, ptep, pte.pte, pte.pte >> 32);
}
static inline void pte_clear(struct mm_struct *mm, unsigned long addr,
pte_t *ptep)
{
- PVOP_VCALL3(pv_mmu_ops.pte_clear, mm, addr, ptep);
+ PVOP_VCALL3(mmu.pte_clear, mm, addr, ptep);
}
static inline void pmd_clear(pmd_t *pmdp)
{
- PVOP_VCALL1(pv_mmu_ops.pmd_clear, pmdp);
+ PVOP_VCALL1(mmu.pmd_clear, pmdp);
}
#else /* !CONFIG_X86_PAE */
static inline void set_pte_atomic(pte_t *ptep, pte_t pte)
@@ -641,64 +603,68 @@
#define __HAVE_ARCH_START_CONTEXT_SWITCH
static inline void arch_start_context_switch(struct task_struct *prev)
{
- PVOP_VCALL1(pv_cpu_ops.start_context_switch, prev);
+ PVOP_VCALL1(cpu.start_context_switch, prev);
}
static inline void arch_end_context_switch(struct task_struct *next)
{
- PVOP_VCALL1(pv_cpu_ops.end_context_switch, next);
+ PVOP_VCALL1(cpu.end_context_switch, next);
}
#define __HAVE_ARCH_ENTER_LAZY_MMU_MODE
static inline void arch_enter_lazy_mmu_mode(void)
{
- PVOP_VCALL0(pv_mmu_ops.lazy_mode.enter);
+ PVOP_VCALL0(mmu.lazy_mode.enter);
}
static inline void arch_leave_lazy_mmu_mode(void)
{
- PVOP_VCALL0(pv_mmu_ops.lazy_mode.leave);
+ PVOP_VCALL0(mmu.lazy_mode.leave);
}
static inline void arch_flush_lazy_mmu_mode(void)
{
- PVOP_VCALL0(pv_mmu_ops.lazy_mode.flush);
+ PVOP_VCALL0(mmu.lazy_mode.flush);
}
static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx,
phys_addr_t phys, pgprot_t flags)
{
- pv_mmu_ops.set_fixmap(idx, phys, flags);
+ pv_ops.mmu.set_fixmap(idx, phys, flags);
}
+#endif
#if defined(CONFIG_SMP) && defined(CONFIG_PARAVIRT_SPINLOCKS)
static __always_inline void pv_queued_spin_lock_slowpath(struct qspinlock *lock,
u32 val)
{
- PVOP_VCALL2(pv_lock_ops.queued_spin_lock_slowpath, lock, val);
+ PVOP_VCALL2(lock.queued_spin_lock_slowpath, lock, val);
}
static __always_inline void pv_queued_spin_unlock(struct qspinlock *lock)
{
- PVOP_VCALLEE1(pv_lock_ops.queued_spin_unlock, lock);
+ PVOP_VCALLEE1(lock.queued_spin_unlock, lock);
}
static __always_inline void pv_wait(u8 *ptr, u8 val)
{
- PVOP_VCALL2(pv_lock_ops.wait, ptr, val);
+ PVOP_VCALL2(lock.wait, ptr, val);
}
static __always_inline void pv_kick(int cpu)
{
- PVOP_VCALL1(pv_lock_ops.kick, cpu);
+ PVOP_VCALL1(lock.kick, cpu);
}
static __always_inline bool pv_vcpu_is_preempted(long cpu)
{
- return PVOP_CALLEE1(bool, pv_lock_ops.vcpu_is_preempted, cpu);
+ return PVOP_CALLEE1(bool, lock.vcpu_is_preempted, cpu);
}
+void __raw_callee_save___native_queued_spin_unlock(struct qspinlock *lock);
+bool __raw_callee_save___native_vcpu_is_preempted(long cpu);
+
#endif /* SMP && PARAVIRT_SPINLOCKS */
#ifdef CONFIG_X86_32
@@ -768,6 +734,7 @@
PV_RESTORE_ALL_CALLER_REGS \
FRAME_END \
"ret;" \
+ ".size " PV_THUNK_NAME(func) ", .-" PV_THUNK_NAME(func) ";" \
".popsection")
/* Get a reference to a callee-save function */
@@ -778,24 +745,25 @@
#define __PV_IS_CALLEE_SAVE(func) \
((struct paravirt_callee_save) { func })
+#ifdef CONFIG_PARAVIRT_XXL
static inline notrace unsigned long arch_local_save_flags(void)
{
- return PVOP_CALLEE0(unsigned long, pv_irq_ops.save_fl);
+ return PVOP_CALLEE0(unsigned long, irq.save_fl);
}
static inline notrace void arch_local_irq_restore(unsigned long f)
{
- PVOP_VCALLEE1(pv_irq_ops.restore_fl, f);
+ PVOP_VCALLEE1(irq.restore_fl, f);
}
static inline notrace void arch_local_irq_disable(void)
{
- PVOP_VCALLEE0(pv_irq_ops.irq_disable);
+ PVOP_VCALLEE0(irq.irq_disable);
}
static inline notrace void arch_local_irq_enable(void)
{
- PVOP_VCALLEE0(pv_irq_ops.irq_enable);
+ PVOP_VCALLEE0(irq.irq_enable);
}
static inline notrace unsigned long arch_local_irq_save(void)
@@ -806,6 +774,7 @@
arch_local_irq_disable();
return f;
}
+#endif
/* Make sure as little as possible of this mess escapes. */
@@ -827,7 +796,7 @@
#else /* __ASSEMBLY__ */
-#define _PVSITE(ptype, clobbers, ops, word, algn) \
+#define _PVSITE(ptype, ops, word, algn) \
771:; \
ops; \
772:; \
@@ -836,7 +805,6 @@
word 771b; \
.byte ptype; \
.byte 772b-771b; \
- .short clobbers; \
.popsection
@@ -868,8 +836,8 @@
COND_POP(set, CLBR_RCX, rcx); \
COND_POP(set, CLBR_RAX, rax)
-#define PARA_PATCH(struct, off) ((PARAVIRT_PATCH_##struct + (off)) / 8)
-#define PARA_SITE(ptype, clobbers, ops) _PVSITE(ptype, clobbers, ops, .quad, 8)
+#define PARA_PATCH(off) ((off) / 8)
+#define PARA_SITE(ptype, ops) _PVSITE(ptype, ops, .quad, 8)
#define PARA_INDIRECT(addr) *addr(%rip)
#else
#define PV_SAVE_REGS(set) \
@@ -883,46 +851,41 @@
COND_POP(set, CLBR_EDI, edi); \
COND_POP(set, CLBR_EAX, eax)
-#define PARA_PATCH(struct, off) ((PARAVIRT_PATCH_##struct + (off)) / 4)
-#define PARA_SITE(ptype, clobbers, ops) _PVSITE(ptype, clobbers, ops, .long, 4)
+#define PARA_PATCH(off) ((off) / 4)
+#define PARA_SITE(ptype, ops) _PVSITE(ptype, ops, .long, 4)
#define PARA_INDIRECT(addr) *%cs:addr
#endif
+#ifdef CONFIG_PARAVIRT_XXL
#define INTERRUPT_RETURN \
- PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_iret), CLBR_NONE, \
- ANNOTATE_RETPOLINE_SAFE; \
- jmp PARA_INDIRECT(pv_cpu_ops+PV_CPU_iret);)
+ PARA_SITE(PARA_PATCH(PV_CPU_iret), \
+ ANNOTATE_RETPOLINE_SAFE; \
+ jmp PARA_INDIRECT(pv_ops+PV_CPU_iret);)
#define DISABLE_INTERRUPTS(clobbers) \
- PARA_SITE(PARA_PATCH(pv_irq_ops, PV_IRQ_irq_disable), clobbers, \
+ PARA_SITE(PARA_PATCH(PV_IRQ_irq_disable), \
PV_SAVE_REGS(clobbers | CLBR_CALLEE_SAVE); \
- ANNOTATE_RETPOLINE_SAFE; \
- call PARA_INDIRECT(pv_irq_ops+PV_IRQ_irq_disable); \
+ ANNOTATE_RETPOLINE_SAFE; \
+ call PARA_INDIRECT(pv_ops+PV_IRQ_irq_disable); \
PV_RESTORE_REGS(clobbers | CLBR_CALLEE_SAVE);)
#define ENABLE_INTERRUPTS(clobbers) \
- PARA_SITE(PARA_PATCH(pv_irq_ops, PV_IRQ_irq_enable), clobbers, \
+ PARA_SITE(PARA_PATCH(PV_IRQ_irq_enable), \
PV_SAVE_REGS(clobbers | CLBR_CALLEE_SAVE); \
- ANNOTATE_RETPOLINE_SAFE; \
- call PARA_INDIRECT(pv_irq_ops+PV_IRQ_irq_enable); \
+ ANNOTATE_RETPOLINE_SAFE; \
+ call PARA_INDIRECT(pv_ops+PV_IRQ_irq_enable); \
PV_RESTORE_REGS(clobbers | CLBR_CALLEE_SAVE);)
+#endif
-#ifdef CONFIG_X86_32
-#define GET_CR0_INTO_EAX \
- push %ecx; push %edx; \
- ANNOTATE_RETPOLINE_SAFE; \
- call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0); \
- pop %edx; pop %ecx
-#else /* !CONFIG_X86_32 */
-
+#ifdef CONFIG_X86_64
+#ifdef CONFIG_PARAVIRT_XXL
/*
* If swapgs is used while the userspace stack is still current,
* there's no way to call a pvop. The PV replacement *must* be
* inlined, or the swapgs instruction must be trapped and emulated.
*/
#define SWAPGS_UNSAFE_STACK \
- PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_swapgs), CLBR_NONE, \
- swapgs)
+ PARA_SITE(PARA_PATCH(PV_CPU_swapgs), swapgs)
/*
* Note: swapgs is very special, and in practise is either going to be
@@ -931,44 +894,55 @@
* it.
*/
#define SWAPGS \
- PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_swapgs), CLBR_NONE, \
- ANNOTATE_RETPOLINE_SAFE; \
- call PARA_INDIRECT(pv_cpu_ops+PV_CPU_swapgs); \
+ PARA_SITE(PARA_PATCH(PV_CPU_swapgs), \
+ ANNOTATE_RETPOLINE_SAFE; \
+ call PARA_INDIRECT(pv_ops+PV_CPU_swapgs); \
)
-#define GET_CR2_INTO_RAX \
- ANNOTATE_RETPOLINE_SAFE; \
- call PARA_INDIRECT(pv_mmu_ops+PV_MMU_read_cr2);
-
#define USERGS_SYSRET64 \
- PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_usergs_sysret64), \
- CLBR_NONE, \
- ANNOTATE_RETPOLINE_SAFE; \
- jmp PARA_INDIRECT(pv_cpu_ops+PV_CPU_usergs_sysret64);)
+ PARA_SITE(PARA_PATCH(PV_CPU_usergs_sysret64), \
+ ANNOTATE_RETPOLINE_SAFE; \
+ jmp PARA_INDIRECT(pv_ops+PV_CPU_usergs_sysret64);)
#ifdef CONFIG_DEBUG_ENTRY
#define SAVE_FLAGS(clobbers) \
- PARA_SITE(PARA_PATCH(pv_irq_ops, PV_IRQ_save_fl), clobbers, \
+ PARA_SITE(PARA_PATCH(PV_IRQ_save_fl), \
PV_SAVE_REGS(clobbers | CLBR_CALLEE_SAVE); \
- ANNOTATE_RETPOLINE_SAFE; \
- call PARA_INDIRECT(pv_irq_ops+PV_IRQ_save_fl); \
+ ANNOTATE_RETPOLINE_SAFE; \
+ call PARA_INDIRECT(pv_ops+PV_IRQ_save_fl); \
PV_RESTORE_REGS(clobbers | CLBR_CALLEE_SAVE);)
#endif
+#endif /* CONFIG_PARAVIRT_XXL */
+#endif /* CONFIG_X86_64 */
-#endif /* CONFIG_X86_32 */
+#ifdef CONFIG_PARAVIRT_XXL
+
+#define GET_CR2_INTO_AX \
+ PARA_SITE(PARA_PATCH(PV_MMU_read_cr2), \
+ ANNOTATE_RETPOLINE_SAFE; \
+ call PARA_INDIRECT(pv_ops+PV_MMU_read_cr2); \
+ )
+
+#endif /* CONFIG_PARAVIRT_XXL */
+
#endif /* __ASSEMBLY__ */
#else /* CONFIG_PARAVIRT */
# define default_banner x86_init_noop
+#endif /* !CONFIG_PARAVIRT */
+
#ifndef __ASSEMBLY__
+#ifndef CONFIG_PARAVIRT_XXL
static inline void paravirt_arch_dup_mmap(struct mm_struct *oldmm,
struct mm_struct *mm)
{
}
+#endif
+#ifndef CONFIG_PARAVIRT
static inline void paravirt_arch_exit_mmap(struct mm_struct *mm)
{
}
+#endif
#endif /* __ASSEMBLY__ */
-#endif /* !CONFIG_PARAVIRT */
#endif /* _ASM_X86_PARAVIRT_H */