diff options
27 files changed, 431 insertions, 458 deletions
diff --git a/arch/arm/include/asm/paravirt.h b/arch/arm/include/asm/paravirt.h index d51e5cd31d01..cdbf02d9c1d4 100644 --- a/arch/arm/include/asm/paravirt.h +++ b/arch/arm/include/asm/paravirt.h @@ -10,11 +10,16 @@ extern struct static_key paravirt_steal_rq_enabled; struct pv_time_ops { unsigned long long (*steal_clock)(int cpu); }; -extern struct pv_time_ops pv_time_ops; + +struct paravirt_patch_template { + struct pv_time_ops time; +}; + +extern struct paravirt_patch_template pv_ops; static inline u64 paravirt_steal_clock(int cpu) { - return pv_time_ops.steal_clock(cpu); + return pv_ops.time.steal_clock(cpu); } #endif diff --git a/arch/arm/kernel/paravirt.c b/arch/arm/kernel/paravirt.c index 53f371ed4568..75c158b0353f 100644 --- a/arch/arm/kernel/paravirt.c +++ b/arch/arm/kernel/paravirt.c @@ -21,5 +21,5 @@ struct static_key paravirt_steal_enabled; struct static_key paravirt_steal_rq_enabled; -struct pv_time_ops pv_time_ops; -EXPORT_SYMBOL_GPL(pv_time_ops); +struct paravirt_patch_template pv_ops; +EXPORT_SYMBOL_GPL(pv_ops); diff --git a/arch/arm64/include/asm/paravirt.h b/arch/arm64/include/asm/paravirt.h index bb5dcea42003..799d9dd6f7cc 100644 --- a/arch/arm64/include/asm/paravirt.h +++ b/arch/arm64/include/asm/paravirt.h @@ -10,11 +10,16 @@ extern struct static_key paravirt_steal_rq_enabled; struct pv_time_ops { unsigned long long (*steal_clock)(int cpu); }; -extern struct pv_time_ops pv_time_ops; + +struct paravirt_patch_template { + struct pv_time_ops time; +}; + +extern struct paravirt_patch_template pv_ops; static inline u64 paravirt_steal_clock(int cpu) { - return pv_time_ops.steal_clock(cpu); + return pv_ops.time.steal_clock(cpu); } #endif diff --git a/arch/arm64/kernel/paravirt.c b/arch/arm64/kernel/paravirt.c index 53f371ed4568..75c158b0353f 100644 --- a/arch/arm64/kernel/paravirt.c +++ b/arch/arm64/kernel/paravirt.c @@ -21,5 +21,5 @@ struct static_key paravirt_steal_enabled; struct static_key paravirt_steal_rq_enabled; -struct pv_time_ops pv_time_ops; -EXPORT_SYMBOL_GPL(pv_time_ops); +struct paravirt_patch_template pv_ops; +EXPORT_SYMBOL_GPL(pv_ops); diff --git a/arch/x86/hyperv/mmu.c b/arch/x86/hyperv/mmu.c index ef5f29f913d7..e65d7fe6489f 100644 --- a/arch/x86/hyperv/mmu.c +++ b/arch/x86/hyperv/mmu.c @@ -231,6 +231,6 @@ void hyperv_setup_mmu_ops(void) return; pr_info("Using hypercall for remote TLB flush\n"); - pv_mmu_ops.flush_tlb_others = hyperv_flush_tlb_others; - pv_mmu_ops.tlb_remove_table = tlb_remove_table; + pv_ops.mmu.flush_tlb_others = hyperv_flush_tlb_others; + pv_ops.mmu.tlb_remove_table = tlb_remove_table; } diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index e1364cb40ce5..a9189b81c7dd 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -19,14 +19,14 @@ 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 +34,98 @@ static inline void __cpuid(unsigned int *eax, unsigned int *ebx, */ 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_CALL0(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); + return PVOP_CALL0(unsigned long, cpu.read_cr8); } static inline void write_cr8(unsigned long x) { - PVOP_VCALL1(pv_cpu_ops.write_cr8, x); + PVOP_VCALL1(cpu.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) \ @@ -172,7 +172,7 @@ static inline int rdmsrl_safe(unsigned msr, unsigned long long *p) static inline unsigned long long paravirt_sched_clock(void) { - return PVOP_CALL0(unsigned long long, pv_time_ops.sched_clock); + return PVOP_CALL0(unsigned long long, time.sched_clock); } struct static_key; @@ -181,12 +181,12 @@ 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); + return PVOP_CALL1(u64, time.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 +200,166 @@ do { \ 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); + PVOP_VCALL1(cpu.set_iopl_mask, mask); } /* The paravirtualized I/O functions */ static inline void slow_down_io(void) { - pv_cpu_ops.io_delay(); + pv_ops.cpu.io_delay(); #ifdef REALLY_SLOW_IO - pv_cpu_ops.io_delay(); - pv_cpu_ops.io_delay(); - pv_cpu_ops.io_delay(); + pv_ops.cpu.io_delay(); + pv_ops.cpu.io_delay(); + pv_ops.cpu.io_delay(); #endif } 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); + PVOP_VCALL2(mmu.dup_mmap, oldmm, mm); } static inline void paravirt_arch_exit_mmap(struct mm_struct *mm) { - PVOP_VCALL1(pv_mmu_ops.exit_mmap, mm); + PVOP_VCALL1(mmu.exit_mmap, mm); } static inline void __flush_tlb(void) { - PVOP_VCALL0(pv_mmu_ops.flush_tlb_user); + PVOP_VCALL0(mmu.flush_tlb_user); } static inline void __flush_tlb_global(void) { - PVOP_VCALL0(pv_mmu_ops.flush_tlb_kernel); + PVOP_VCALL0(mmu.flush_tlb_kernel); } static inline void __flush_tlb_one_user(unsigned long addr) { - PVOP_VCALL1(pv_mmu_ops.flush_tlb_one_user, 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(pv_mmu_ops.flush_tlb_others, cpumask, info); + PVOP_VCALL2(mmu.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.tlb_remove_table, tlb, table); } 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 +367,9 @@ static inline pte_t __pte(pteval_t val) 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 +379,10 @@ static inline pteval_t pte_val(pte_t pte) 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 +392,9 @@ static inline pgd_t __pgd(pgdval_t val) 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 }; } @@ -411,11 +404,10 @@ static inline pgdval_t pgd_val(pgd_t pgd) 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; } @@ -426,8 +418,7 @@ static inline pte_t ptep_modify_prot_start(struct mm_struct *mm, unsigned long a { 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, mm, addr, ptep); return (pte_t) { .pte = ret }; } @@ -437,20 +428,18 @@ static inline void ptep_modify_prot_commit(struct mm_struct *mm, unsigned long a { 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(mm, addr, ptep, pte); else - PVOP_VCALL4(pv_mmu_ops.ptep_modify_prot_commit, + PVOP_VCALL4(mmu.ptep_modify_prot_commit, mm, 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 +447,9 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, { 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 +457,9 @@ static inline void set_pmd(pmd_t *pmdp, pmd_t pmd) 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 +468,9 @@ static inline pmd_t __pmd(pmdval_t val) 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 +480,10 @@ static inline pmdval_t pmd_val(pmd_t pmd) 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; } @@ -507,11 +493,9 @@ static inline void set_pud(pud_t *pudp, pud_t pud) 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) @@ -519,11 +503,9 @@ 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); + ret = PVOP_CALLEE2(pudval_t, mmu.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 }; } @@ -533,11 +515,10 @@ 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, + ret = PVOP_CALLEE2(pudval_t, mmu.pud_val, pud.pud, (u64)pud.pud >> 32); else - ret = PVOP_CALLEE1(pudval_t, pv_mmu_ops.pud_val, - pud.pud); + ret = PVOP_CALLEE1(pudval_t, mmu.pud_val, pud.pud); return ret; } @@ -552,30 +533,28 @@ static inline void set_p4d(p4d_t *p4dp, p4d_t p4d) 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); + PVOP_VCALL3(mmu.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 +585,18 @@ static inline void p4d_clear(p4d_t *p4dp) 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) @@ -641,34 +619,34 @@ static inline void pmd_clear(pmd_t *pmdp) #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); } #if defined(CONFIG_SMP) && defined(CONFIG_PARAVIRT_SPINLOCKS) @@ -676,29 +654,32 @@ static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx, 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 @@ -780,22 +761,22 @@ static __always_inline bool pv_vcpu_is_preempted(long cpu) 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) @@ -867,7 +848,7 @@ extern void default_banner(void); COND_POP(set, CLBR_RCX, rcx); \ COND_POP(set, CLBR_RAX, rax) -#define PARA_PATCH(struct, off) ((PARAVIRT_PATCH_##struct + (off)) / 8) +#define PARA_PATCH(off) ((off) / 8) #define PARA_SITE(ptype, ops) _PVSITE(ptype, ops, .quad, 8) #define PARA_INDIRECT(addr) *addr(%rip) #else @@ -882,35 +863,35 @@ extern void default_banner(void); COND_POP(set, CLBR_EDI, edi); \ COND_POP(set, CLBR_EAX, eax) -#define PARA_PATCH(struct, off) ((PARAVIRT_PATCH_##struct + (off)) / 4) +#define PARA_PATCH(off) ((off) / 4) #define PARA_SITE(ptype, ops) _PVSITE(ptype, ops, .long, 4) #define PARA_INDIRECT(addr) *%cs:addr #endif #define INTERRUPT_RETURN \ - PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_iret), \ + PARA_SITE(PARA_PATCH(PV_CPU_iret), \ ANNOTATE_RETPOLINE_SAFE; \ - jmp PARA_INDIRECT(pv_cpu_ops+PV_CPU_iret);) + jmp PARA_INDIRECT(pv_ops+PV_CPU_iret);) #define DISABLE_INTERRUPTS(clobbers) \ - PARA_SITE(PARA_PATCH(pv_irq_ops, PV_IRQ_irq_disable), \ + 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); \ + 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), \ + 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); \ + call PARA_INDIRECT(pv_ops+PV_IRQ_irq_enable); \ PV_RESTORE_REGS(clobbers | CLBR_CALLEE_SAVE);) #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); \ + call PARA_INDIRECT(pv_ops+PV_CPU_read_cr0); \ pop %edx; pop %ecx #else /* !CONFIG_X86_32 */ @@ -920,7 +901,7 @@ extern void default_banner(void); * inlined, or the swapgs instruction must be trapped and emulated. */ #define SWAPGS_UNSAFE_STACK \ - PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_swapgs), swapgs) + PARA_SITE(PARA_PATCH(PV_CPU_swapgs), swapgs) /* * Note: swapgs is very special, and in practise is either going to be @@ -929,26 +910,26 @@ extern void default_banner(void); * it. */ #define SWAPGS \ - PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_swapgs), \ + PARA_SITE(PARA_PATCH(PV_CPU_swapgs), \ ANNOTATE_RETPOLINE_SAFE; \ - call PARA_INDIRECT(pv_cpu_ops+PV_CPU_swapgs); \ + 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); + call PARA_INDIRECT(pv_ops+PV_MMU_read_cr2); #define USERGS_SYSRET64 \ - PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_usergs_sysret64), \ + PARA_SITE(PARA_PATCH(PV_CPU_usergs_sysret64), \ ANNOTATE_RETPOLINE_SAFE; \ - jmp PARA_INDIRECT(pv_cpu_ops+PV_CPU_usergs_sysret64);) + 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), \ + 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); \ + call PARA_INDIRECT(pv_ops+PV_IRQ_save_fl); \ PV_RESTORE_REGS(clobbers | CLBR_CALLEE_SAVE);) #endif diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h index b2220536a7d4..cee91a337620 100644 --- a/arch/x86/include/asm/paravirt_types.h +++ b/arch/x86/include/asm/paravirt_types.h @@ -321,28 +321,23 @@ struct pv_lock_ops { * number for each function using the offset which we use to indicate * what to patch. */ struct paravirt_patch_template { - struct pv_init_ops pv_init_ops; - struct pv_time_ops pv_time_ops; - struct pv_cpu_ops pv_cpu_ops; - struct pv_irq_ops pv_irq_ops; - struct pv_mmu_ops pv_mmu_ops; - struct pv_lock_ops pv_lock_ops; + struct pv_init_ops init; + struct pv_time_ops time; + struct pv_cpu_ops cpu; + struct pv_irq_ops irq; + struct pv_mmu_ops mmu; + struct pv_lock_ops lock; } __no_randomize_layout; extern struct pv_info pv_info; -extern struct pv_init_ops pv_init_ops; -extern struct pv_time_ops pv_time_ops; -extern struct pv_cpu_ops pv_cpu_ops; -extern struct pv_irq_ops pv_irq_ops; -extern struct pv_mmu_ops pv_mmu_ops; -extern struct pv_lock_ops pv_lock_ops; +extern struct paravirt_patch_template pv_ops; #define PARAVIRT_PATCH(x) \ (offsetof(struct paravirt_patch_template, x) / sizeof(void *)) #define paravirt_type(op) \ [paravirt_typenum] "i" (PARAVIRT_PATCH(op)), \ - [paravirt_opptr] "i" (&(op)) + [paravirt_opptr] "i" (&(pv_ops.op)) #define paravirt_clobber(clobber) \ [paravirt_clobber] "i" (clobber) @@ -503,9 +498,9 @@ int paravirt_disable_iospace(void); #endif /* CONFIG_X86_32 */ #ifdef CONFIG_PARAVIRT_DEBUG -#define PVOP_TEST_NULL(op) BUG_ON(op == NULL) +#define PVOP_TEST_NULL(op) BUG_ON(pv_ops.op == NULL) #else -#define PVOP_TEST_NULL(op) ((void)op) +#define PVOP_TEST_NULL(op) ((void)pv_ops.op) #endif #define PVOP_RETMASK(rettype) \ diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index 9e755e1cfe92..22e4da4ae8b9 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -594,7 +594,7 @@ void __init_or_module apply_paravirt(struct paravirt_patch_site *start, BUG_ON(p->len > MAX_PATCH_LEN); /* prep the buffer with the original instructions */ memcpy(insnbuf, p->instr, p->len); - used = pv_init_ops.patch(p->instrtype, insnbuf, + used = pv_ops.init.patch(p->instrtype, insnbuf, (unsigned long)p->instr, p->len); BUG_ON(used > p->len); diff --git a/arch/x86/kernel/asm-offsets.c b/arch/x86/kernel/asm-offsets.c index 01de31db300d..46d14498e214 100644 --- a/arch/x86/kernel/asm-offsets.c +++ b/arch/x86/kernel/asm-offsets.c @@ -66,13 +66,11 @@ void common(void) { #ifdef CONFIG_PARAVIRT BLANK(); - OFFSET(PARAVIRT_PATCH_pv_cpu_ops, paravirt_patch_template, pv_cpu_ops); - OFFSET(PARAVIRT_PATCH_pv_irq_ops, paravirt_patch_template, pv_irq_ops); - OFFSET(PV_IRQ_irq_disable, pv_irq_ops, irq_disable); - OFFSET(PV_IRQ_irq_enable, pv_irq_ops, irq_enable); - OFFSET(PV_CPU_iret, pv_cpu_ops, iret); - OFFSET(PV_CPU_read_cr0, pv_cpu_ops, read_cr0); - OFFSET(PV_MMU_read_cr2, pv_mmu_ops, read_cr2); + OFFSET(PV_IRQ_irq_disable, paravirt_patch_template, irq.irq_disable); + OFFSET(PV_IRQ_irq_enable, paravirt_patch_template, irq.irq_enable); + OFFSET(PV_CPU_iret, paravirt_patch_template, cpu.iret); + OFFSET(PV_CPU_read_cr0, paravirt_patch_template, cpu.read_cr0); + OFFSET(PV_MMU_read_cr2, paravirt_patch_template, mmu.read_cr2); #endif #ifdef CONFIG_XEN diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c index 3b9405e7ba2b..3384b03e717f 100644 --- a/arch/x86/kernel/asm-offsets_64.c +++ b/arch/x86/kernel/asm-offsets_64.c @@ -21,10 +21,11 @@ static char syscalls_ia32[] = { int main(void) { #ifdef CONFIG_PARAVIRT - OFFSET(PV_CPU_usergs_sysret64, pv_cpu_ops, usergs_sysret64); - OFFSET(PV_CPU_swapgs, pv_cpu_ops, swapgs); + OFFSET(PV_CPU_usergs_sysret64, paravirt_patch_template, + cpu.usergs_sysret64); + OFFSET(PV_CPU_swapgs, paravirt_patch_template, cpu.swapgs); #ifdef CONFIG_DEBUG_ENTRY - OFFSET(PV_IRQ_save_fl, pv_irq_ops, save_fl); + OFFSET(PV_IRQ_save_fl, paravirt_patch_template, irq.save_fl); #endif BLANK(); #endif diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 44c4ef3d989b..c4da9c23a96c 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1243,7 +1243,7 @@ static void generic_identify(struct cpuinfo_x86 *c) # ifdef CONFIG_PARAVIRT do { extern void native_iret(void); - if (pv_cpu_ops.iret == native_iret) + if (pv_ops.cpu.iret == native_iret) set_cpu_bug(c, X86_BUG_ESPFIX); } while (0); # else diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c index 8e005329648b..d9ab49bed8af 100644 --- a/arch/x86/kernel/cpu/vmware.c +++ b/arch/x86/kernel/cpu/vmware.c @@ -97,14 +97,14 @@ static void __init vmware_sched_clock_setup(void) d->cyc2ns_offset = mul_u64_u32_shr(tsc_now, d->cyc2ns_mul, d->cyc2ns_shift); - pv_time_ops.sched_clock = vmware_sched_clock; + pv_ops.time.sched_clock = vmware_sched_clock; pr_info("using sched offset of %llu ns\n", d->cyc2ns_offset); } static void __init vmware_paravirt_ops_setup(void) { pv_info.name = "VMware hypervisor"; - pv_cpu_ops.io_delay = paravirt_nop; + pv_ops.cpu.io_delay = paravirt_nop; if (vmware_tsc_khz && vmw_sched_clock) vmware_sched_clock_setup(); diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index d9b71924c23c..ba4bfb7f6a36 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -283,7 +283,7 @@ static void __init paravirt_ops_setup(void) pv_info.name = "KVM"; if (kvm_para_has_feature(KVM_FEATURE_NOP_IO_DELAY)) - pv_cpu_ops.io_delay = kvm_io_delay; + pv_ops.cpu.io_delay = kvm_io_delay; #ifdef CONFIG_X86_IO_APIC no_timer_check = 1; @@ -632,14 +632,14 @@ static void __init kvm_guest_init(void) if (kvm_para_has_feature(KVM_FEATURE_STEAL_TIME)) { has_steal_clock = 1; - pv_time_ops.steal_clock = kvm_steal_clock; + pv_ops.time.steal_clock = kvm_steal_clock; } if (kvm_para_has_feature(KVM_FEATURE_PV_TLB_FLUSH) && !kvm_para_has_hint(KVM_HINTS_REALTIME) && kvm_para_has_feature(KVM_FEATURE_STEAL_TIME)) { - pv_mmu_ops.flush_tlb_others = kvm_flush_tlb_others; - pv_mmu_ops.tlb_remove_table = tlb_remove_table; + pv_ops.mmu.flush_tlb_others = kvm_flush_tlb_others; + pv_ops.mmu.tlb_remove_table = tlb_remove_table; } if (kvm_para_has_feature(KVM_FEATURE_PV_EOI)) @@ -850,13 +850,14 @@ void __init kvm_spinlock_init(void) return; __pv_init_lock_hash(); - pv_lock_ops.queued_spin_lock_slowpath = __pv_queued_spin_lock_slowpath; - pv_lock_ops.queued_spin_unlock = PV_CALLEE_SAVE(__pv_queued_spin_unlock); - pv_lock_ops.wait = kvm_wait; - pv_lock_ops.kick = kvm_kick_cpu; + pv_ops.lock.queued_spin_lock_slowpath = __pv_queued_spin_lock_slowpath; + pv_ops.lock.queued_spin_unlock = + PV_CALLEE_SAVE(__pv_queued_spin_unlock); + pv_ops.lock.wait = kvm_wait; + pv_ops.lock.kick = kvm_kick_cpu; if (kvm_para_has_feature(KVM_FEATURE_STEAL_TIME)) { - pv_lock_ops.vcpu_is_preempted = + pv_ops.lock.vcpu_is_preempted = PV_CALLEE_SAVE(__kvm_vcpu_is_preempted); } } diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c index 1e6764648af3..a36b93a722a2 100644 --- a/arch/x86/kernel/kvmclock.c +++ b/arch/x86/kernel/kvmclock.c @@ -116,13 +116,13 @@ static u64 kvm_sched_clock_read(void) static inline void kvm_sched_clock_init(bool stable) { if (!stable) { - pv_time_ops.sched_clock = kvm_clock_read; + pv_ops.time.sched_clock = kvm_clock_read; clear_sched_clock_stable(); return; } kvm_sched_clock_offset = kvm_clock_read(); - pv_time_ops.sched_clock = kvm_sched_clock_read; + pv_ops.time.sched_clock = kvm_sched_clock_read; pr_info("kvm-clock: using sched offset of %llu cycles", kvm_sched_clock_offset); diff --git a/arch/x86/kernel/paravirt-spinlocks.c b/arch/x86/kernel/paravirt-spinlocks.c index 71f2d1125ec0..4f75d0cf6305 100644 --- a/arch/x86/kernel/paravirt-spinlocks.c +++ b/arch/x86/kernel/paravirt-spinlocks.c @@ -17,7 +17,7 @@ PV_CALLEE_SAVE_REGS_THUNK(__native_queued_spin_unlock); bool pv_is_native_spin_unlock(void) { - return pv_lock_ops.queued_spin_unlock.func == + return pv_ops.lock.queued_spin_unlock.func == __raw_callee_save___native_queued_spin_unlock; } @@ -29,17 +29,6 @@ PV_CALLEE_SAVE_REGS_THUNK(__native_vcpu_is_preempted); bool pv_is_native_vcpu_is_preempted(void) { - return pv_lock_ops.vcpu_is_preempted.func == + return pv_ops.lock.vcpu_is_preempted.func == __raw_callee_save___native_vcpu_is_preempted; } - -struct pv_lock_ops pv_lock_ops = { -#ifdef CONFIG_SMP - .queued_spin_lock_slowpath = native_queued_spin_lock_slowpath, - .queued_spin_unlock = PV_CALLEE_SAVE(__native_queued_spin_unlock), - .wait = paravirt_nop, - .kick = paravirt_nop, - .vcpu_is_preempted = PV_CALLEE_SAVE(__native_vcpu_is_preempted), -#endif /* SMP */ -}; -EXPORT_SYMBOL(pv_lock_ops); diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index 287d34513f6a..0ca0576c88ff 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -128,29 +128,14 @@ void __init native_pv_lock_init(void) static_branch_disable(&virt_spin_lock_key); } -/* - * Neat trick to map patch type back to the call within the - * corresponding structure. - */ -static void *get_call_destination(u8 type) -{ - struct paravirt_patch_template tmpl = { - .pv_init_ops = pv_init_ops, - .pv_time_ops = pv_time_ops, - .pv_cpu_ops = pv_cpu_ops, - .pv_irq_ops = pv_irq_ops, - .pv_mmu_ops = pv_mmu_ops, -#ifdef CONFIG_PARAVIRT_SPINLOCKS - .pv_lock_ops = pv_lock_ops, -#endif - }; - return *((void **)&tmpl + type); -} - unsigned paravirt_patch_default(u8 type, void *insnbuf, unsigned long addr, unsigned len) { - void *opfunc = get_call_destination(type); + /* + * Neat trick to map patch type back to the call within the + * corresponding structure. + */ + void *opfunc = *((void **)&pv_ops + type); unsigned ret; if (opfunc == NULL) @@ -165,8 +150,8 @@ unsigned paravirt_patch_default(u8 type, void *insnbuf, else if (opfunc == _paravirt_ident_64) ret = paravirt_patch_ident_64(insnbuf, len); - else if (type == PARAVIRT_PATCH(pv_cpu_ops.iret) || - type == PARAVIRT_PATCH(pv_cpu_ops.usergs_sysret64)) + else if (type == PARAVIRT_PATCH(cpu.iret) || + type == PARAVIRT_PATCH(cpu.usergs_sysret64)) /* If operation requires a jmp, then jmp */ ret = paravirt_patch_jmp(insnbuf, opfunc, addr, len); else @@ -316,77 +301,6 @@ struct pv_info pv_info = { #endif }; -struct pv_init_ops pv_init_ops = { - .patch = native_patch, -}; - -struct pv_time_ops pv_time_ops = { - .sched_clock = native_sched_clock, - .steal_clock = native_steal_clock, -}; - -__visible struct pv_irq_ops pv_irq_ops = { - .save_fl = __PV_IS_CALLEE_SAVE(native_save_fl), - .restore_fl = __PV_IS_CALLEE_SAVE(native_restore_fl), - .irq_disable = __PV_IS_CALLEE_SAVE(native_irq_disable), - .irq_enable = __PV_IS_CALLEE_SAVE(native_irq_enable), - .safe_halt = native_safe_halt, - .halt = native_halt, -}; - -__visible struct pv_cpu_ops pv_cpu_ops = { - .cpuid = native_cpuid, - .get_debugreg = native_get_debugreg, - .set_debugreg = native_set_debugreg, - .read_cr0 = native_read_cr0, - .write_cr0 = native_write_cr0, - .write_cr4 = native_write_cr4, -#ifdef CONFIG_X86_64 - .read_cr8 = native_read_cr8, - .write_cr8 = native_write_cr8, -#endif - .wbinvd = native_wbinvd, - .read_msr = native_read_msr, - .write_msr = native_write_msr, - .read_msr_safe = native_read_msr_safe, - .write_msr_safe = native_write_msr_safe, - .read_pmc = native_read_pmc, - .load_tr_desc = native_load_tr_desc, - .set_ldt = native_set_ldt, - .load_gdt = native_load_gdt, - .load_idt = native_load_idt, - .store_tr = native_store_tr, - .load_tls = native_load_tls, -#ifdef CONFIG_X86_64 - .load_gs_index = native_load_gs_index, -#endif - .write_ldt_entry = native_write_ldt_entry, - .write_gdt_entry = native_write_gdt_entry, - .write_idt_entry = native_write_idt_entry, - - .alloc_ldt = paravirt_nop, - .free_ldt = paravirt_nop, - - .load_sp0 = native_load_sp0, - -#ifdef CONFIG_X86_64 - .usergs_sysret64 = native_usergs_sysret64, -#endif - .iret = native_iret, - .swapgs = native_swapgs, - - .set_iopl_mask = native_set_iopl_mask, - .io_delay = native_io_delay, - - .start_context_switch = paravirt_nop, - .end_context_switch = paravirt_nop, -}; - -/* At this point, native_get/set_debugreg has real function entries */ -NOKPROBE_SYMBOL(native_get_debugreg); -NOKPROBE_SYMBOL(native_set_debugreg); -NOKPROBE_SYMBOL(native_load_idt); - #if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE) /* 32-bit pagetable entries */ #define PTE_IDENT __PV_IS_CALLEE_SAVE(_paravirt_ident_32) @@ -395,85 +309,163 @@ NOKPROBE_SYMBOL(native_load_idt); #define PTE_IDENT __PV_IS_CALLEE_SAVE(_paravirt_ident_64) #endif -struct pv_mmu_ops pv_mmu_ops __ro_after_init = { - - .read_cr2 = native_read_cr2, - .write_cr2 = native_write_cr2, - .read_cr3 = __native_read_cr3, - .write_cr3 = native_write_cr3, - - .flush_tlb_user = native_flush_tlb, - .flush_tlb_kernel = native_flush_tlb_global, - .flush_tlb_one_user = native_flush_tlb_one_user, - .flush_tlb_others = native_flush_tlb_others, - .tlb_remove_table = (void (*)(struct mmu_gather *, void *))tlb_remove_page, - - .pgd_alloc = __paravirt_pgd_alloc, - .pgd_free = paravirt_nop, +struct paravirt_patch_template pv_ops = { + /* Init ops. */ + .init.patch = native_patch, + + /* Time ops. */ + .time.sched_clock = native_sched_clock, + .time.steal_clock = native_steal_clock, + + /* Cpu ops. */ + .cpu.cpuid = native_cpuid, + .cpu.get_debugreg = native_get_debugreg, + .cpu.set_debugreg = native_set_debugreg, + .cpu.read_cr0 = native_read_cr0, + .cpu.write_cr0 = native_write_cr0, + .cpu.write_cr4 = native_write_cr4, +#ifdef CONFIG_X86_64 + .cpu.read_cr8 = native_read_cr8, + .cpu.write_cr8 = native_write_cr8, +#endif + .cpu.wbinvd = native_wbinvd, + .cpu.read_msr = native_read_msr, + .cpu.write_msr = native_write_msr, + .cpu.read_msr_safe = native_read_msr_safe, + .cpu.write_msr_safe = native_write_msr_safe, + .cpu.read_pmc = native_read_pmc, + .cpu.load_tr_desc = native_load_tr_desc, + .cpu.set_ldt = native_set_ldt, + .cpu.load_gdt = native_load_gdt, + .cpu.load_idt = native_load_idt, + .cpu.store_tr = native_store_tr, + .cpu.load_tls = native_load_tls, +#ifdef CONFIG_X86_64 + .cpu.load_gs_index = native_load_gs_index, +#endif + .cpu.write_ldt_entry = native_write_ldt_entry, + .cpu.write_gdt_entry = native_write_gdt_entry, + .cpu.write_idt_entry = native_write_idt_entry, - .alloc_pte = paravirt_nop, - .alloc_pmd = paravirt_nop, - .alloc_pud = paravirt_nop, - .alloc_p4d = paravirt_nop, - .release_pte = paravirt_nop, - .release_pmd = paravirt_nop, - .release_pud = paravirt_nop, - .release_p4d = paravirt_nop, + .cpu.alloc_ldt = paravirt_nop, + .cpu.free_ldt = paravirt_nop, - .set_pte = native_set_pte, - .set_pte_at = native_set_pte_at, - .set_pmd = native_set_pmd, + .cpu.load_sp0 = native_load_sp0, - .ptep_modify_prot_start = __ptep_modify_prot_start, - .ptep_modify_prot_commit = __ptep_modify_prot_commit, +#ifdef CONFIG_X86_64 + .cpu.usergs_sysret64 = native_usergs_sysret64, +#endif + .cpu.iret = native_iret, + .cpu.swapgs = native_swapgs, + + .cpu.set_iopl_mask = native_set_iopl_mask, + .cpu.io_delay = native_io_delay, + + .cpu.start_context_switch = paravirt_nop, + .cpu.end_context_switch = paravirt_nop, + + /* Irq ops. */ + .irq.save_fl = __PV_IS_CALLEE_SAVE(native_save_fl), + .irq.restore_fl = __PV_IS_CALLEE_SAVE(native_restore_fl), + .irq.irq_disable = __PV_IS_CALLEE_SAVE(native_irq_disable), + .irq.irq_enable = __PV_IS_CALLEE_SAVE(native_irq_enable), + .irq.safe_halt = native_safe_halt, + .irq.halt = native_halt, + + /* Mmu ops. */ + .mmu.read_cr2 = native_read_cr2, + .mmu.write_cr2 = native_write_cr2, + .mmu.read_cr3 = __native_read_cr3, + .mmu.write_cr3 = native_write_cr3, + + .mmu.flush_tlb_user = native_flush_tlb, + .mmu.flush_tlb_kernel = native_flush_tlb_global, + .mmu.flush_tlb_one_user = native_flush_tlb_one_user, + .mmu.flush_tlb_others = native_flush_tlb_others, + .mmu.tlb_remove_table = + (void (*)(struct mmu_gather *, void *))tlb_remove_page, + + .mmu.pgd_alloc = __paravirt_pgd_alloc, + .mmu.pgd_free = paravirt_nop, + + .mmu.alloc_pte = paravirt_nop, + .mmu.alloc_pmd = paravirt_nop, + .mmu.alloc_pud = paravirt_nop, + .mmu.alloc_p4d = paravirt_nop, + .mmu.release_pte = paravirt_nop, + .mmu.release_pmd = paravirt_nop, + .mmu.release_pud = paravirt_nop, + .mmu.release_p4d = paravirt_nop, + + .mmu.set_pte = native_set_pte, + .mmu.set_pte_at = native_set_pte_at, + .mmu.set_pmd = native_set_pmd, + + .mmu.ptep_modify_prot_start = __ptep_modify_prot_start, + .mmu.ptep_modify_prot_commit = __ptep_modify_prot_commit, #if CONFIG_PGTABLE_LEVELS >= 3 #ifdef CONFIG_X86_PAE - .set_pte_atomic = native_set_pte_atomic, - .pte_clear = native_pte_clear, - .pmd_clear = native_pmd_clear, + .mmu.set_pte_atomic = native_set_pte_atomic, + .mmu.pte_clear = native_pte_clear, + .mmu.pmd_clear = native_pmd_clear, #endif - .set_pud = native_set_pud, + .mmu.set_pud = native_set_pud, - .pmd_val = PTE_IDENT, - .make_pmd = PTE_IDENT, + .mmu.pmd_val = PTE_IDENT, + .mmu.make_pmd = PTE_IDENT, #if CONFIG_PGTABLE_LEVELS >= 4 - .pud_val = PTE_IDENT, - .make_pud = PTE_IDENT, + .mmu.pud_val = PTE_IDENT, + .mmu.make_pud = PTE_IDENT, - .set_p4d = native_set_p4d, + .mmu.set_p4d = native_set_p4d, #if CONFIG_PGTABLE_LEVELS >= 5 - .p4d_val = PTE_IDENT, - .make_p4d = PTE_IDENT, + .mmu.p4d_val = PTE_IDENT, + .mmu.make_p4d = PTE_IDENT, - .set_pgd = native_set_pgd, + .mmu.set_pgd = native_set_pgd, #endif /* CONFIG_PGTABLE_LEVELS >= 5 */ #endif /* CONFIG_PGTABLE_LEVELS >= 4 */ #endif /* CONFIG_PGTABLE_LEVELS >= 3 */ - .pte_val = PTE_IDENT, - .pgd_val = PTE_IDENT, + .mmu.pte_val = PTE_IDENT, + .mmu.pgd_val = PTE_IDENT, - .make_pte = PTE_IDENT, - .make_pgd = PTE_IDENT, + .mmu.make_pte = PTE_IDENT, + .mmu.make_pgd = PTE_IDENT, - .dup_mmap = paravirt_nop, - .exit_mmap = paravirt_nop, - .activate_mm = paravirt_nop, + .mmu.dup_mmap = paravirt_nop, + .mmu.exit_mmap = paravirt_nop, + .mmu.activate_mm = paravirt_nop, - .lazy_mode = { - .enter = paravirt_nop, - .leave = paravirt_nop, - .flush = paravirt_nop, + .mmu.lazy_mode = { + .enter = paravirt_nop, + .leave = paravirt_nop, + .flush = paravirt_nop, }, - .set_fixmap = native_set_fixmap, + .mmu.set_fixmap = native_set_fixmap, + +#if defined(CONFIG_PARAVIRT_SPINLOCKS) + /* Lock ops. */ +#ifdef CONFIG_SMP + .lock.queued_spin_lock_slowpath = native_queued_spin_lock_slowpath, + .lock.queued_spin_unlock = + PV_CALLEE_SAVE(__native_queued_spin_unlock), + .lock.wait = paravirt_nop, + .lock.kick = paravirt_nop, + .lock.vcpu_is_preempted = + PV_CALLEE_SAVE(__native_vcpu_is_preempted), +#endif /* SMP */ +#endif }; -EXPORT_SYMBOL_GPL(pv_time_ops); -EXPORT_SYMBOL (pv_cpu_ops); -EXPORT_SYMBOL (pv_mmu_ops); +/* At this point, native_get/set_debugreg has real function entries */ +NOKPROBE_SYMBOL(native_get_debugreg); +NOKPROBE_SYMBOL(native_set_debugreg); +NOKPROBE_SYMBOL(native_load_idt); + +EXPORT_SYMBOL_GPL(pv_ops); EXPORT_SYMBOL_GPL(pv_info); -EXPORT_SYMBOL (pv_irq_ops); diff --git a/arch/x86/kernel/paravirt_patch_32.c b/arch/x86/kernel/paravirt_patch_32.c index e5c3a438149e..026fa43e9261 100644 --- a/arch/x86/kernel/paravirt_patch_32.c +++ b/arch/x86/kernel/paravirt_patch_32.c @@ -1,18 +1,18 @@ // SPDX-License-Identifier: GPL-2.0 #include <asm/paravirt.h> -DEF_NATIVE(pv_irq_ops, irq_disable, "cli"); -DEF_NATIVE(pv_irq_ops, irq_enable, "sti"); -DEF_NATIVE(pv_irq_ops, restore_fl, "push %eax; popf"); -DEF_NATIVE(pv_irq_ops, save_fl, "pushf; pop %eax"); -DEF_NATIVE(pv_cpu_ops, iret, "iret"); -DEF_NATIVE(pv_mmu_ops, read_cr2, "mov %cr2, %eax"); -DEF_NATIVE(pv_mmu_ops, write_cr3, "mov %eax, %cr3"); -DEF_NATIVE(pv_mmu_ops, read_cr3, "mov %cr3, %eax"); +DEF_NATIVE(irq, irq_disable, "cli"); +DEF_NATIVE(irq, irq_enable, "sti"); +DEF_NATIVE(irq, restore_fl, "push %eax; popf"); +DEF_NATIVE(irq, save_fl, "pushf; pop %eax"); +DEF_NATIVE(cpu, iret, "iret"); +DEF_NATIVE(mmu, read_cr2, "mov %cr2, %eax"); +DEF_NATIVE(mmu, write_cr3, "mov %eax, %cr3"); +DEF_NATIVE(mmu, read_cr3, "mov %cr3, %eax"); #if defined(CONFIG_PARAVIRT_SPINLOCKS) -DEF_NATIVE(pv_lock_ops, queued_spin_unlock, "movb $0, (%eax)"); -DEF_NATIVE(pv_lock_ops, vcpu_is_preempted, "xor %eax, %eax"); +DEF_NATIVE(lock, queued_spin_unlock, "movb $0, (%eax)"); +DEF_NATIVE(lock, vcpu_is_preempted, "xor %eax, %eax"); #endif unsigned paravirt_patch_ident_32(void *insnbuf, unsigned len) @@ -41,27 +41,27 @@ unsigned native_patch(u8 type, void *ibuf, unsigned long addr, unsigned len) end = end_##ops##_##x; \ goto patch_site switch (type) { - PATCH_SITE(pv_irq_ops, irq_disable); - PATCH_SITE(pv_irq_ops, irq_enable); - PATCH_SITE(pv_irq_ops, restore_fl); - PATCH_SITE(pv_irq_ops, save_fl); - PATCH_SITE(pv_cpu_ops, iret); - PATCH_SITE(pv_mmu_ops, read_cr2); - PATCH_SITE(pv_mmu_ops, read_cr3); - PATCH_SITE(pv_mmu_ops, write_cr3); + PATCH_SITE(irq, irq_disable); + PATCH_SITE(irq, irq_enable); + PATCH_SITE(irq, restore_fl); + PATCH_SITE(irq, save_fl); + PATCH_SITE(cpu, iret); + PATCH_SITE(mmu, read_cr2); + PATCH_SITE(mmu, read_cr3); + PATCH_SITE(mmu, write_cr3); #if defined(CONFIG_PARAVIRT_SPINLOCKS) - case PARAVIRT_PATCH(pv_lock_ops.queued_spin_unlock): + case PARAVIRT_PATCH(lock.queued_spin_unlock): if (pv_is_native_spin_unlock()) { - start = start_pv_lock_ops_queued_spin_unlock; - end = end_pv_lock_ops_queued_spin_unlock; + start = start_lock_queued_spin_unlock; + end = end_lock_queued_spin_unlock; goto patch_site; } goto patch_default; - case PARAVIRT_PATCH(pv_lock_ops.vcpu_is_preempted): + case PARAVIRT_PATCH(lock.vcpu_is_preempted): if (pv_is_native_vcpu_is_preempted()) { - start = start_pv_lock_ops_vcpu_is_preempted; - end = end_pv_lock_ops_vcpu_is_preempted; + start = start_lock_vcpu_is_preempted; + end = end_lock_vcpu_is_preempted; goto patch_site; } goto patch_default; diff --git a/arch/x86/kernel/paravirt_patch_64.c b/arch/x86/kernel/paravirt_patch_64.c index 835f1985a115..582e893728e8 100644 --- a/arch/x86/kernel/paravirt_patch_64.c +++ b/arch/x86/kernel/paravirt_patch_64.c @@ -3,24 +3,24 @@ #include <asm/asm-offsets.h> #include <linux/stringify.h> -DEF_NATIVE(pv_irq_ops, irq_disable, "cli"); -DEF_NATIVE(pv_irq_ops, irq_enable, "sti"); -DEF_NATIVE(pv_irq_ops, restore_fl, "pushq %rdi; popfq"); -DEF_NATIVE(pv_irq_ops, save_fl, "pushfq; popq %rax"); -DEF_NATIVE(pv_mmu_ops, read_cr2, "movq %cr2, %rax"); -DEF_NATIVE(pv_mmu_ops, read_cr3, "movq %cr3, %rax"); -DEF_NATIVE(pv_mmu_ops, write_cr3, "movq %rdi, %cr3"); -DEF_NATIVE(pv_cpu_ops, wbinvd, "wbinvd"); +DEF_NATIVE(irq, irq_disable, "cli"); +DEF_NATIVE(irq, irq_enable, "sti"); +DEF_NATIVE(irq, restore_fl, "pushq %rdi; popfq"); +DEF_NATIVE(irq, save_fl, "pushfq; popq %rax"); +DEF_NATIVE(mmu, read_cr2, "movq %cr2, %rax"); +DEF_NATIVE(mmu, read_cr3, "movq %cr3, %rax"); +DEF_NATIVE(mmu, write_cr3, "movq %rdi, %cr3"); +DEF_NATIVE(cpu, wbinvd, "wbinvd"); -DEF_NATIVE(pv_cpu_ops, usergs_sysret64, "swapgs; sysretq"); -DEF_NATIVE(pv_cpu_ops, swapgs, "swapgs"); +DEF_NATIVE(cpu, usergs_sysret64, "swapgs; sysretq"); +DEF_NATIVE(cpu, swapgs, "swapgs"); DEF_NATIVE(, mov32, "mov %edi, %eax"); DEF_NATIVE(, mov64, "mov %rdi, %rax"); #if defined(CONFIG_PARAVIRT_SPINLOCKS) -DEF_NATIVE(pv_lock_ops, queued_spin_unlock, "movb $0, (%rdi)"); -DEF_NATIVE(pv_lock_ops, vcpu_is_preempted, "xor %eax, %eax"); +DEF_NATIVE(lock, queued_spin_unlock, "movb $0, (%rdi)"); +DEF_NATIVE(lock, vcpu_is_preempted, "xor %eax, %eax"); #endif unsigned paravirt_patch_ident_32(void *insnbuf, unsigned len) @@ -49,29 +49,29 @@ unsigned native_patch(u8 type, void *ibuf, unsigned long addr, unsigned len) end = end_##ops##_##x; \ goto patch_site switch(type) { - PATCH_SITE(pv_irq_ops, restore_fl); - PATCH_SITE(pv_irq_ops, save_fl); - PATCH_SITE(pv_irq_ops, irq_enable); - PATCH_SITE(pv_irq_ops, irq_disable); - PATCH_SITE(pv_cpu_ops, usergs_sysret64); - PATCH_SITE(pv_cpu_ops, swapgs); - PATCH_SITE(pv_mmu_ops, read_cr2); - PATCH_SITE(pv_mmu_ops, read_cr3); - PATCH_SITE(pv_mmu_ops, write_cr3); - PATCH_SITE(pv_cpu_ops, wbinvd); + PATCH_SITE(irq, restore_fl); + PATCH_SITE(irq, save_fl); + PATCH_SITE(irq, irq_enable); + PATCH_SITE(irq, irq_disable); + PATCH_SITE(cpu, usergs_sysret64); + PATCH_SITE(cpu, swapgs); + PATCH_SITE(mmu, read_cr2); + PATCH_SITE(mmu, read_cr3); + PATCH_SITE(mmu, write_cr3); + PATCH_SITE(cpu, wbinvd); #if defined(CONFIG_PARAVIRT_SPINLOCKS) - case PARAVIRT_PATCH(pv_lock_ops.queued_spin_unlock): + case PARAVIRT_PATCH(lock.queued_spin_unlock): if (pv_is_native_spin_unlock()) { - start = start_pv_lock_ops_queued_spin_unlock; - end = end_pv_lock_ops_queued_spin_unlock; + start = start_lock_queued_spin_unlock; + end = end_lock_queued_spin_unlock; goto patch_site; } goto patch_default; - case PARAVIRT_PATCH(pv_lock_ops.vcpu_is_preempted): + case PARAVIRT_PATCH(lock.vcpu_is_preempted): if (pv_is_native_vcpu_is_preempted()) { - start = start_pv_lock_ops_vcpu_is_preempted; - end = end_pv_lock_ops_vcpu_is_preempted; + start = start_lock_vcpu_is_preempted; + end = end_lock_vcpu_is_preempted; goto patch_site; } goto patch_default; diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index 1463468ba9a0..9044aa5e2389 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -246,7 +246,7 @@ unsigned long long sched_clock(void) bool using_native_sched_clock(void) { - return pv_time_ops.sched_clock == native_sched_clock; + return pv_ops.time.sched_clock == native_sched_clock; } #else unsigned long long diff --git a/arch/x86/kernel/vsmp_64.c b/arch/x86/kernel/vsmp_64.c index f194e5e1e95c..789918d78697 100644 --- a/arch/x86/kernel/vsmp_64.c +++ b/arch/x86/kernel/vsmp_64.c @@ -73,10 +73,10 @@ static unsigned __init vsmp_patch(u8 type, void *ibuf, unsigned long addr, unsigned len) { switch (type) { - case PARAVIRT_PATCH(pv_irq_ops.irq_enable): - case PARAVIRT_PATCH(pv_irq_ops.irq_disable): - case PARAVIRT_PATCH(pv_irq_ops.save_fl): - case PARAVIRT_PATCH(pv_irq_ops.restore_fl): + case PARAVIRT_PATCH(irq.irq_enable): + case PARAVIRT_PATCH(irq.irq_disable): + case PARAVIRT_PATCH(irq.save_fl): + case PARAVIRT_PATCH(irq.restore_fl): return paravirt_patch_default(type, ibuf, addr, len); default: return native_patch(type, ibuf, addr, len); @@ -111,11 +111,11 @@ static void __init set_vsmp_pv_ops(void) if (cap & ctl & (1 << 4)) { /* Setup irq ops and turn on vSMP IRQ fastpath handling */ - pv_irq_ops.irq_disable = PV_CALLEE_SAVE(vsmp_irq_disable); - pv_irq_ops.irq_enable = PV_CALLEE_SAVE(vsmp_irq_enable); - pv_irq_ops.save_fl = PV_CALLEE_SAVE(vsmp_save_fl); - pv_irq_ops.restore_fl = PV_CALLEE_SAVE(vsmp_restore_fl); - pv_init_ops.patch = vsmp_patch; + pv_ops.irq.irq_disable = PV_CALLEE_SAVE(vsmp_irq_disable); + pv_ops.irq.irq_enable = PV_CALLEE_SAVE(vsmp_irq_enable); + pv_ops.irq.save_fl = PV_CALLEE_SAVE(vsmp_save_fl); + pv_ops.irq.restore_fl = PV_CALLEE_SAVE(vsmp_restore_fl); + pv_ops.init.patch = vsmp_patch; ctl &= ~(1 << 4); } writel(ctl, address + 4); diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c index 52a7c3faee0c..ec7a4209f310 100644 --- a/arch/x86/xen/enlighten_pv.c +++ b/arch/x86/xen/enlighten_pv.c @@ -995,11 +995,14 @@ void __init xen_setup_vcpu_info_placement(void) * percpu area for all cpus, so make use of it. */ if (xen_have_vcpu_info_placement) { - pv_irq_ops.save_fl = __PV_IS_CALLEE_SAVE(xen_save_fl_direct); - pv_irq_ops.restore_fl = __PV_IS_CALLEE_SAVE(xen_restore_fl_direct); - pv_irq_ops.irq_disable = __PV_IS_CALLEE_SAVE(xen_irq_disable_direct); - pv_irq_ops.irq_enable = __PV_IS_CALLEE_SAVE(xen_irq_enable_direct); - pv_mmu_ops.read_cr2 = xen_read_cr2_direct; + pv_ops.irq.save_fl = __PV_IS_CALLEE_SAVE(xen_save_fl_direct); + pv_ops.irq.restore_fl = + __PV_IS_CALLEE_SAVE(xen_restore_fl_direct); + pv_ops.irq.irq_disable = + __PV_IS_CALLEE_SAVE(xen_irq_disable_direct); + pv_ops.irq.irq_enable = + __PV_IS_CALLEE_SAVE(xen_irq_enable_direct); + pv_ops.mmu.read_cr2 = xen_read_cr2_direct; } } @@ -1174,14 +1177,14 @@ static void __init xen_boot_params_init_edd(void) */ static void __init xen_setup_gdt(int cpu) { - pv_cpu_ops.write_gdt_entry = xen_write_gdt_entry_boot; - pv_cpu_ops.load_gdt = xen_load_gdt_boot; + pv_ops.cpu.write_gdt_entry = xen_write_gdt_entry_boot; + pv_ops.cpu.load_gdt = xen_load_gdt_boot; setup_stack_canary_segment(cpu); switch_to_new_gdt(cpu); - pv_cpu_ops.write_gdt_entry = xen_write_gdt_entry; - pv_cpu_ops.load_gdt = xen_load_gdt; + pv_ops.cpu.write_gdt_entry = xen_write_gdt_entry; + pv_ops.cpu.load_gdt = xen_load_gdt; } static void __init xen_dom0_set_legacy_features(void) @@ -1206,8 +1209,8 @@ asmlinkage __visible void __init xen_start_kernel(void) /* Install Xen paravirt ops */ pv_info = xen_info; - pv_init_ops.patch = paravirt_patch_default; - pv_cpu_ops = xen_cpu_ops; + pv_ops.init.patch = paravirt_patch_default; + pv_ops.cpu = xen_cpu_ops; xen_init_irq_ops(); /* @@ -1276,8 +1279,10 @@ asmlinkage __visible void __init xen_start_kernel(void) #endif if (xen_feature(XENFEAT_mmu_pt_update_preserve_ad)) { - pv_mmu_ops.ptep_modify_prot_start = xen_ptep_modify_prot_start; - pv_mmu_ops.ptep_modify_prot_commit = xen_ptep_modify_prot_commit; + pv_ops.mmu.ptep_modify_prot_start = + xen_ptep_modify_prot_start; + pv_ops.mmu.ptep_modify_prot_commit = + xen_ptep_modify_prot_commit; } machine_ops = xen_machine_ops; diff --git a/arch/x86/xen/irq.c b/arch/x86/xen/irq.c index 7515a19fd324..850c93f346c7 100644 --- a/arch/x86/xen/irq.c +++ b/arch/x86/xen/irq.c @@ -128,6 +128,6 @@ static const struct pv_irq_ops xen_irq_ops __initconst = { void __init xen_init_irq_ops(void) { - pv_irq_ops = xen_irq_ops; + pv_ops.irq = xen_irq_ops; x86_init.irqs.intr_init = xen_init_IRQ; } diff --git a/arch/x86/xen/mmu_hvm.c b/arch/x86/xen/mmu_hvm.c index dd2ad82eee80..57409373750f 100644 --- a/arch/x86/xen/mmu_hvm.c +++ b/arch/x86/xen/mmu_hvm.c @@ -73,7 +73,7 @@ static int is_pagetable_dying_supported(void) void __init xen_hvm_init_mmu_ops(void) { if (is_pagetable_dying_supported()) - pv_mmu_ops.exit_mmap = xen_hvm_exit_mmap; + pv_ops.mmu.exit_mmap = xen_hvm_exit_mmap; #ifdef CONFIG_PROC_VMCORE WARN_ON(register_oldmem_pfn_is_ram(&xen_oldmem_pfn_is_ram)); #endif diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c index b565c5038be1..bf30fa03582e 100644 --- a/arch/x86/xen/mmu_pv.c +++ b/arch/x86/xen/mmu_pv.c @@ -2213,7 +2213,7 @@ static void __init xen_write_cr3_init(unsigned long cr3) set_page_prot(initial_page_table, PAGE_KERNEL); set_page_prot(initial_kernel_pmd, PAGE_KERNEL); - pv_mmu_ops.write_cr3 = &xen_write_cr3; + pv_ops.mmu.write_cr3 = &xen_write_cr3; } /* @@ -2362,27 +2362,27 @@ static void xen_set_fixmap(unsigned idx, phys_addr_t phys, pgprot_t prot) static void __init xen_post_allocator_init(void) { - pv_mmu_ops.set_pte = xen_set_pte; - pv_mmu_ops.set_pmd = xen_set_pmd; - pv_mmu_ops.set_pud = xen_set_pud; + pv_ops.mmu.set_pte = xen_set_pte; + pv_ops.mmu.set_pmd = xen_set_pmd; + pv_ops.mmu.set_pud = xen_set_pud; #ifdef CONFIG_X86_64 - pv_mmu_ops.set_p4d = xen_set_p4d; + pv_ops.mmu.set_p4d = xen_set_p4d; #endif /* This will work as long as patching hasn't happened yet (which it hasn't) */ - pv_mmu_ops.alloc_pte = xen_alloc_pte; - pv_mmu_ops.alloc_pmd = xen_alloc_pmd; - pv_mmu_ops.release_pte = xen_release_pte; - pv_mmu_ops.release_pmd = xen_release_pmd; + pv_ops.mmu.alloc_pte = xen_alloc_pte; + pv_ops.mmu.alloc_pmd = xen_alloc_pmd; + pv_ops.mmu.release_pte = xen_release_pte; + pv_ops.mmu.release_pmd = xen_release_pmd; #ifdef CONFIG_X86_64 - pv_mmu_ops.alloc_pud = xen_alloc_pud; - pv_mmu_ops.release_pud = xen_release_pud; + pv_ops.mmu.alloc_pud = xen_alloc_pud; + pv_ops.mmu.release_pud = xen_release_pud; #endif - pv_mmu_ops.make_pte = PV_CALLEE_SAVE(xen_make_pte); + pv_ops.mmu.make_pte = PV_CALLEE_SAVE(xen_make_pte); #ifdef CONFIG_X86_64 - pv_mmu_ops.write_cr3 = &xen_write_cr3; + pv_ops.mmu.write_cr3 = &xen_write_cr3; #endif } @@ -2470,7 +2470,7 @@ void __init xen_init_mmu_ops(void) x86_init.paging.pagetable_init = xen_pagetable_init; x86_init.hyper.init_after_bootmem = xen_after_bootmem; - pv_mmu_ops = xen_mmu_ops; + pv_ops.mmu = xen_mmu_ops; memset(dummy_mapping, 0xff, PAGE_SIZE); } diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c index 973f10e05211..23f6793af88a 100644 --- a/arch/x86/xen/spinlock.c +++ b/arch/x86/xen/spinlock.c @@ -141,11 +141,12 @@ void __init xen_init_spinlocks(void) printk(KERN_DEBUG "xen: PV spinlocks enabled\n"); __pv_init_lock_hash(); - pv_lock_ops.queued_spin_lock_slowpath = __pv_queued_spin_lock_slowpath; - pv_lock_ops.queued_spin_unlock = PV_CALLEE_SAVE(__pv_queued_spin_unlock); - pv_lock_ops.wait = xen_qlock_wait; - pv_lock_ops.kick = xen_qlock_kick; - pv_lock_ops.vcpu_is_preempted = PV_CALLEE_SAVE(xen_vcpu_stolen); + pv_ops.lock.queued_spin_lock_slowpath = __pv_queued_spin_lock_slowpath; + pv_ops.lock.queued_spin_unlock = + PV_CALLEE_SAVE(__pv_queued_spin_unlock); + pv_ops.lock.wait = xen_qlock_wait; + pv_ops.lock.kick = xen_qlock_kick; + pv_ops.lock.vcpu_is_preempted = PV_CALLEE_SAVE(xen_vcpu_stolen); } static __init int xen_parse_nopvspin(char *arg) diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c index c84f1e039d84..72bf446c3fee 100644 --- a/arch/x86/xen/time.c +++ b/arch/x86/xen/time.c @@ -513,7 +513,7 @@ static void __init xen_time_init(void) void __init xen_init_time_ops(void) { xen_sched_clock_offset = xen_clocksource_read(); - pv_time_ops = xen_time_ops; + pv_ops.time = xen_time_ops; x86_init.timers.timer_init = xen_time_init; x86_init.timers.setup_percpu_clockev = x86_init_noop; @@ -555,7 +555,7 @@ void __init xen_hvm_init_time_ops(void) } xen_sched_clock_offset = xen_clocksource_read(); - pv_time_ops = xen_time_ops; + pv_ops.time = xen_time_ops; x86_init.timers.setup_percpu_clockev = xen_time_init; x86_cpuinit.setup_percpu_clockev = xen_hvm_setup_cpu_clockevents; diff --git a/drivers/xen/time.c b/drivers/xen/time.c index 3e741cd1409c..0968859c29d0 100644 --- a/drivers/xen/time.c +++ b/drivers/xen/time.c @@ -175,7 +175,7 @@ void __init xen_time_setup_guest(void) xen_runstate_remote = !HYPERVISOR_vm_assist(VMASST_CMD_enable, VMASST_TYPE_runstate_update_flag); - pv_time_ops.steal_clock = xen_steal_clock; + pv_ops.time.steal_clock = xen_steal_clock; static_key_slow_inc(¶virt_steal_enabled); if (xen_runstate_remote) |