diff options
| -rw-r--r-- | arch/x86/Kconfig | 2 | ||||
| -rw-r--r-- | arch/x86/hyperv/mmu.c | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/paravirt.h | 5 | ||||
| -rw-r--r-- | arch/x86/include/asm/paravirt_types.h | 3 | ||||
| -rw-r--r-- | arch/x86/include/asm/tlbflush.h | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/kvm.c | 5 | ||||
| -rw-r--r-- | arch/x86/kernel/paravirt.c | 2 | ||||
| -rw-r--r-- | arch/x86/mm/pgtable.c | 8 | ||||
| -rw-r--r-- | arch/x86/xen/mmu_pv.c | 2 |
9 files changed, 26 insertions, 6 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index b9d37815176f..c5ff296bc5d1 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -180,7 +180,7 @@ config X86 select HAVE_HARDLOCKUP_DETECTOR_PERF if PERF_EVENTS && HAVE_PERF_EVENTS_NMI select HAVE_PERF_REGS select HAVE_PERF_USER_STACK_DUMP - select HAVE_RCU_TABLE_FREE + select HAVE_RCU_TABLE_FREE if PARAVIRT select HAVE_RCU_TABLE_INVALIDATE if HAVE_RCU_TABLE_FREE select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_RELIABLE_STACKTRACE if X86_64 && (UNWINDER_FRAME_POINTER || UNWINDER_ORC) && STACK_VALIDATION diff --git a/arch/x86/hyperv/mmu.c b/arch/x86/hyperv/mmu.c index 1147e1fed7ff..ef5f29f913d7 100644 --- a/arch/x86/hyperv/mmu.c +++ b/arch/x86/hyperv/mmu.c @@ -9,6 +9,7 @@ #include <asm/mshyperv.h> #include <asm/msr.h> #include <asm/tlbflush.h> +#include <asm/tlb.h> #define CREATE_TRACE_POINTS #include <asm/trace/hyperv.h> @@ -231,4 +232,5 @@ void hyperv_setup_mmu_ops(void) 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; } diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index d49bbf4bb5c8..e375d4266b53 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -309,6 +309,11 @@ static inline void flush_tlb_others(const struct cpumask *cpumask, 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); +} + static inline int paravirt_pgd_alloc(struct mm_struct *mm) { return PVOP_CALL1(int, pv_mmu_ops.pgd_alloc, mm); diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h index 180bc0bff0fb..4b75acc23b30 100644 --- a/arch/x86/include/asm/paravirt_types.h +++ b/arch/x86/include/asm/paravirt_types.h @@ -54,6 +54,7 @@ struct desc_struct; struct task_struct; struct cpumask; struct flush_tlb_info; +struct mmu_gather; /* * Wrapper type for pointers to code which uses the non-standard @@ -222,6 +223,8 @@ struct pv_mmu_ops { void (*flush_tlb_others)(const struct cpumask *cpus, const struct flush_tlb_info *info); + void (*tlb_remove_table)(struct mmu_gather *tlb, void *table); + /* Hooks for allocating and freeing a pagetable top-level */ int (*pgd_alloc)(struct mm_struct *mm); void (*pgd_free)(struct mm_struct *mm, pgd_t *pgd); diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h index 6690cd3fc8b1..29c9da6c62fc 100644 --- a/arch/x86/include/asm/tlbflush.h +++ b/arch/x86/include/asm/tlbflush.h @@ -552,6 +552,9 @@ extern void arch_tlbbatch_flush(struct arch_tlbflush_unmap_batch *batch); #ifndef CONFIG_PARAVIRT #define flush_tlb_others(mask, info) \ native_flush_tlb_others(mask, info) + +#define paravirt_tlb_remove_table(tlb, page) \ + tlb_remove_page(tlb, (void *)(page)) #endif #endif /* _ASM_X86_TLBFLUSH_H */ diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index 0f471bd93417..d9b71924c23c 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -45,6 +45,7 @@ #include <asm/apic.h> #include <asm/apicdef.h> #include <asm/hypervisor.h> +#include <asm/tlb.h> static int kvmapf = 1; @@ -636,8 +637,10 @@ static void __init kvm_guest_init(void) 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)) + 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; + } if (kvm_para_has_feature(KVM_FEATURE_PV_EOI)) apic_set_eoi_write(kvm_guest_apic_eoi_write); diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index 930c88341e4e..afdb303285f8 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -41,6 +41,7 @@ #include <asm/tlbflush.h> #include <asm/timer.h> #include <asm/special_insns.h> +#include <asm/tlb.h> /* * nop stub, which must not clobber anything *including the stack* to @@ -409,6 +410,7 @@ struct pv_mmu_ops pv_mmu_ops __ro_after_init = { .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, diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c index 3ef095c70ae3..e848a4811785 100644 --- a/arch/x86/mm/pgtable.c +++ b/arch/x86/mm/pgtable.c @@ -63,7 +63,7 @@ void ___pte_free_tlb(struct mmu_gather *tlb, struct page *pte) { pgtable_page_dtor(pte); paravirt_release_pte(page_to_pfn(pte)); - tlb_remove_table(tlb, pte); + paravirt_tlb_remove_table(tlb, pte); } #if CONFIG_PGTABLE_LEVELS > 2 @@ -79,21 +79,21 @@ void ___pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd) tlb->need_flush_all = 1; #endif pgtable_pmd_page_dtor(page); - tlb_remove_table(tlb, page); + paravirt_tlb_remove_table(tlb, page); } #if CONFIG_PGTABLE_LEVELS > 3 void ___pud_free_tlb(struct mmu_gather *tlb, pud_t *pud) { paravirt_release_pud(__pa(pud) >> PAGE_SHIFT); - tlb_remove_table(tlb, virt_to_page(pud)); + paravirt_tlb_remove_table(tlb, virt_to_page(pud)); } #if CONFIG_PGTABLE_LEVELS > 4 void ___p4d_free_tlb(struct mmu_gather *tlb, p4d_t *p4d) { paravirt_release_p4d(__pa(p4d) >> PAGE_SHIFT); - tlb_remove_table(tlb, virt_to_page(p4d)); + paravirt_tlb_remove_table(tlb, virt_to_page(p4d)); } #endif /* CONFIG_PGTABLE_LEVELS > 4 */ #endif /* CONFIG_PGTABLE_LEVELS > 3 */ diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c index 52206ad81e4b..3114b7c76970 100644 --- a/arch/x86/xen/mmu_pv.c +++ b/arch/x86/xen/mmu_pv.c @@ -67,6 +67,7 @@ #include <asm/init.h> #include <asm/pat.h> #include <asm/smp.h> +#include <asm/tlb.h> #include <asm/xen/hypercall.h> #include <asm/xen/hypervisor.h> @@ -2397,6 +2398,7 @@ static const struct pv_mmu_ops xen_mmu_ops __initconst = { .flush_tlb_kernel = xen_flush_tlb, .flush_tlb_one_user = xen_flush_tlb_one_user, .flush_tlb_others = xen_flush_tlb_others, + .tlb_remove_table = tlb_remove_table, .pgd_alloc = xen_pgd_alloc, .pgd_free = xen_pgd_free, |