diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-21 17:19:50 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-07-21 17:19:50 +0200 |
commit | eb6a12c2428d21a9f3e0f1a50e927d5fd80fc3d0 (patch) | |
tree | 5ac6f43899648abeab1d43aad3107f664e7f13d5 /include/asm-x86 | |
parent | c4762aba0b1f72659aae9ce37b772ca8bd8f06f4 (diff) | |
parent | 14b395e35d1afdd8019d11b92e28041fad591b71 (diff) | |
download | linux-stable-eb6a12c2428d21a9f3e0f1a50e927d5fd80fc3d0.tar.gz linux-stable-eb6a12c2428d21a9f3e0f1a50e927d5fd80fc3d0.tar.bz2 linux-stable-eb6a12c2428d21a9f3e0f1a50e927d5fd80fc3d0.zip |
Merge branch 'linus' into cpus4096-for-linus
Conflicts:
net/sunrpc/svc.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86')
-rw-r--r-- | include/asm-x86/kvm.h | 1 | ||||
-rw-r--r-- | include/asm-x86/kvm_host.h | 69 | ||||
-rw-r--r-- | include/asm-x86/kvm_x86_emulate.h | 11 |
3 files changed, 57 insertions, 24 deletions
diff --git a/include/asm-x86/kvm.h b/include/asm-x86/kvm.h index 80eefef2cc76..6f1840812e59 100644 --- a/include/asm-x86/kvm.h +++ b/include/asm-x86/kvm.h @@ -228,5 +228,6 @@ struct kvm_pit_state { #define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12) #define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13) #define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14) +#define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15) #endif diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 844f2a89afbc..f995783b1fdb 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -27,6 +27,7 @@ #define KVM_PRIVATE_MEM_SLOTS 4 #define KVM_PIO_PAGE_OFFSET 1 +#define KVM_COALESCED_MMIO_PAGE_OFFSET 2 #define CR3_PAE_RESERVED_BITS ((X86_CR3_PWT | X86_CR3_PCD) - 1) #define CR3_NONPAE_RESERVED_BITS ((PAGE_SIZE-1) & ~(X86_CR3_PWT | X86_CR3_PCD)) @@ -79,6 +80,7 @@ #define KVM_MIN_FREE_MMU_PAGES 5 #define KVM_REFILL_PAGES 25 #define KVM_MAX_CPUID_ENTRIES 40 +#define KVM_NR_VAR_MTRR 8 extern spinlock_t kvm_lock; extern struct list_head vm_list; @@ -109,12 +111,12 @@ enum { }; enum { + VCPU_SREG_ES, VCPU_SREG_CS, + VCPU_SREG_SS, VCPU_SREG_DS, - VCPU_SREG_ES, VCPU_SREG_FS, VCPU_SREG_GS, - VCPU_SREG_SS, VCPU_SREG_TR, VCPU_SREG_LDTR, }; @@ -243,6 +245,7 @@ struct kvm_vcpu_arch { gfn_t last_pt_write_gfn; int last_pt_write_count; u64 *last_pte_updated; + gfn_t last_pte_gfn; struct { gfn_t gfn; /* presumed gfn during guest pte update */ @@ -287,6 +290,10 @@ struct kvm_vcpu_arch { unsigned int hv_clock_tsc_khz; unsigned int time_offset; struct page *time_page; + + bool nmi_pending; + + u64 mtrr[0x100]; }; struct kvm_mem_alias { @@ -344,6 +351,7 @@ struct kvm_vcpu_stat { u32 mmio_exits; u32 signal_exits; u32 irq_window_exits; + u32 nmi_window_exits; u32 halt_exits; u32 halt_wakeup; u32 request_irq_exits; @@ -379,7 +387,6 @@ struct kvm_x86_ops { void (*prepare_guest_switch)(struct kvm_vcpu *vcpu); void (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu); void (*vcpu_put)(struct kvm_vcpu *vcpu); - void (*vcpu_decache)(struct kvm_vcpu *vcpu); int (*set_guest_debug)(struct kvm_vcpu *vcpu, struct kvm_debug_guest *dbg); @@ -497,6 +504,10 @@ int emulator_get_dr(struct x86_emulate_ctxt *ctxt, int dr, int emulator_set_dr(struct x86_emulate_ctxt *ctxt, int dr, unsigned long value); +void kvm_get_segment(struct kvm_vcpu *vcpu, struct kvm_segment *var, int seg); +int kvm_load_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector, + int type_bits, int seg); + int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason); void kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0); @@ -515,6 +526,8 @@ void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code); void kvm_inject_page_fault(struct kvm_vcpu *vcpu, unsigned long cr2, u32 error_code); +void kvm_inject_nmi(struct kvm_vcpu *vcpu); + void fx_init(struct kvm_vcpu *vcpu); int emulator_read_std(unsigned long addr, @@ -554,55 +567,53 @@ static inline struct kvm_mmu_page *page_header(hpa_t shadow_page) return (struct kvm_mmu_page *)page_private(page); } -static inline u16 read_fs(void) +static inline u16 kvm_read_fs(void) { u16 seg; asm("mov %%fs, %0" : "=g"(seg)); return seg; } -static inline u16 read_gs(void) +static inline u16 kvm_read_gs(void) { u16 seg; asm("mov %%gs, %0" : "=g"(seg)); return seg; } -static inline u16 read_ldt(void) +static inline u16 kvm_read_ldt(void) { u16 ldt; asm("sldt %0" : "=g"(ldt)); return ldt; } -static inline void load_fs(u16 sel) +static inline void kvm_load_fs(u16 sel) { asm("mov %0, %%fs" : : "rm"(sel)); } -static inline void load_gs(u16 sel) +static inline void kvm_load_gs(u16 sel) { asm("mov %0, %%gs" : : "rm"(sel)); } -#ifndef load_ldt -static inline void load_ldt(u16 sel) +static inline void kvm_load_ldt(u16 sel) { asm("lldt %0" : : "rm"(sel)); } -#endif -static inline void get_idt(struct descriptor_table *table) +static inline void kvm_get_idt(struct descriptor_table *table) { asm("sidt %0" : "=m"(*table)); } -static inline void get_gdt(struct descriptor_table *table) +static inline void kvm_get_gdt(struct descriptor_table *table) { asm("sgdt %0" : "=m"(*table)); } -static inline unsigned long read_tr_base(void) +static inline unsigned long kvm_read_tr_base(void) { u16 tr; asm("str %0" : "=g"(tr)); @@ -619,17 +630,17 @@ static inline unsigned long read_msr(unsigned long msr) } #endif -static inline void fx_save(struct i387_fxsave_struct *image) +static inline void kvm_fx_save(struct i387_fxsave_struct *image) { asm("fxsave (%0)":: "r" (image)); } -static inline void fx_restore(struct i387_fxsave_struct *image) +static inline void kvm_fx_restore(struct i387_fxsave_struct *image) { asm("fxrstor (%0)":: "r" (image)); } -static inline void fx_finit(void) +static inline void kvm_fx_finit(void) { asm("finit"); } @@ -691,4 +702,28 @@ enum { trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \ vcpu, 0, 0, 0, 0, 0, 0) +#ifdef CONFIG_64BIT +#define KVM_EX_ENTRY ".quad" +#else +#define KVM_EX_ENTRY ".long" +#endif + +/* + * Hardware virtualization extension instructions may fault if a + * reboot turns off virtualization while processes are running. + * Trap the fault and ignore the instruction if that happens. + */ +asmlinkage void kvm_handle_fault_on_reboot(void); + +#define __kvm_handle_fault_on_reboot(insn) \ + "666: " insn "\n\t" \ + ".pushsection .text.fixup, \"ax\" \n" \ + "667: \n\t" \ + "push $666b \n\t" \ + "jmp kvm_handle_fault_on_reboot \n\t" \ + ".popsection \n\t" \ + ".pushsection __ex_table, \"a\" \n\t" \ + KVM_EX_ENTRY " 666b, 667b \n\t" \ + ".popsection" + #endif diff --git a/include/asm-x86/kvm_x86_emulate.h b/include/asm-x86/kvm_x86_emulate.h index b877bbd2d3a7..4e8c1e48d91d 100644 --- a/include/asm-x86/kvm_x86_emulate.h +++ b/include/asm-x86/kvm_x86_emulate.h @@ -124,7 +124,8 @@ struct decode_cache { u8 rex_prefix; struct operand src; struct operand dst; - unsigned long *override_base; + bool has_seg_override; + u8 seg_override; unsigned int d; unsigned long regs[NR_VCPU_REGS]; unsigned long eip; @@ -134,6 +135,7 @@ struct decode_cache { u8 modrm_reg; u8 modrm_rm; u8 use_modrm_ea; + bool rip_relative; unsigned long modrm_ea; void *modrm_ptr; unsigned long modrm_val; @@ -150,12 +152,7 @@ struct x86_emulate_ctxt { /* Emulated execution mode, represented by an X86EMUL_MODE value. */ int mode; - unsigned long cs_base; - unsigned long ds_base; - unsigned long es_base; - unsigned long ss_base; - unsigned long gs_base; - unsigned long fs_base; + u32 cs_base; /* decode cache */ |