diff options
Diffstat (limited to 'arch/x86/include/asm')
-rw-r--r-- | arch/x86/include/asm/hypervisor.h | 12 | ||||
-rw-r--r-- | arch/x86/include/asm/io.h | 1 | ||||
-rw-r--r-- | arch/x86/include/asm/kvm_host.h | 34 | ||||
-rw-r--r-- | arch/x86/include/asm/paravirt.h | 1 | ||||
-rw-r--r-- | arch/x86/include/asm/pgtable.h | 4 | ||||
-rw-r--r-- | arch/x86/include/asm/pgtable_types.h | 1 | ||||
-rw-r--r-- | arch/x86/include/asm/traps.h | 2 | ||||
-rw-r--r-- | arch/x86/include/asm/uaccess.h | 4 | ||||
-rw-r--r-- | arch/x86/include/asm/x86_init.h | 2 | ||||
-rw-r--r-- | arch/x86/include/asm/xen/hypervisor.h | 6 |
10 files changed, 43 insertions, 24 deletions
diff --git a/arch/x86/include/asm/hypervisor.h b/arch/x86/include/asm/hypervisor.h index 50a30f6c668b..e41cbf2ec41d 100644 --- a/arch/x86/include/asm/hypervisor.h +++ b/arch/x86/include/asm/hypervisor.h @@ -53,8 +53,20 @@ struct hypervisor_x86 { /* runtime callbacks */ struct x86_hyper_runtime runtime; + + /* ignore nopv parameter */ + bool ignore_nopv; }; +extern const struct hypervisor_x86 x86_hyper_vmware; +extern const struct hypervisor_x86 x86_hyper_ms_hyperv; +extern const struct hypervisor_x86 x86_hyper_xen_pv; +extern const struct hypervisor_x86 x86_hyper_kvm; +extern const struct hypervisor_x86 x86_hyper_jailhouse; +extern const struct hypervisor_x86 x86_hyper_acrn; +extern struct hypervisor_x86 x86_hyper_xen_hvm; + +extern bool nopv; extern enum x86_hypervisor_type x86_hyper_type; extern void init_hypervisor_platform(void); static inline bool hypervisor_is_type(enum x86_hypervisor_type type) diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index a06a9f8294ea..6bed97ff6db2 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -165,7 +165,6 @@ static inline unsigned int isa_virt_to_bus(volatile void *address) { return (unsigned int)virt_to_phys(address); } -#define isa_page_to_bus(page) ((unsigned int)page_to_phys(page)) #define isa_bus_to_virt phys_to_virt /* diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 0cc5b611a113..8282b8d41209 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -1496,25 +1496,29 @@ enum { #define kvm_arch_vcpu_memslots_id(vcpu) ((vcpu)->arch.hflags & HF_SMM_MASK ? 1 : 0) #define kvm_memslots_for_spte_role(kvm, role) __kvm_memslots(kvm, (role).smm) +asmlinkage void __noreturn kvm_spurious_fault(void); + /* * 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. + * Usually after catching the fault we just panic; during reboot + * instead the instruction is ignored. */ -asmlinkage void kvm_spurious_fault(void); - -#define ____kvm_handle_fault_on_reboot(insn, cleanup_insn) \ - "666: " insn "\n\t" \ - "668: \n\t" \ - ".pushsection .fixup, \"ax\" \n" \ - "667: \n\t" \ - cleanup_insn "\n\t" \ - "cmpb $0, kvm_rebooting \n\t" \ - "jne 668b \n\t" \ - __ASM_SIZE(push) " $666b \n\t" \ - "jmp kvm_spurious_fault \n\t" \ - ".popsection \n\t" \ - _ASM_EXTABLE(666b, 667b) +#define ____kvm_handle_fault_on_reboot(insn, cleanup_insn) \ + "666: \n\t" \ + insn "\n\t" \ + "jmp 668f \n\t" \ + "667: \n\t" \ + "call kvm_spurious_fault \n\t" \ + "668: \n\t" \ + ".pushsection .fixup, \"ax\" \n\t" \ + "700: \n\t" \ + cleanup_insn "\n\t" \ + "cmpb $0, kvm_rebooting\n\t" \ + "je 667b \n\t" \ + "jmp 668b \n\t" \ + ".popsection \n\t" \ + _ASM_EXTABLE(666b, 700b) #define __kvm_handle_fault_on_reboot(insn) \ ____kvm_handle_fault_on_reboot(insn, "") diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index 5135282683d4..dce26f1d13e1 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -746,6 +746,7 @@ bool __raw_callee_save___native_vcpu_is_preempted(long cpu); 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 */ diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 5e0509b41986..0bc530c4eb13 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -271,7 +271,7 @@ static inline int has_transparent_hugepage(void) return boot_cpu_has(X86_FEATURE_PSE); } -#ifdef __HAVE_ARCH_PTE_DEVMAP +#ifdef CONFIG_ARCH_HAS_PTE_DEVMAP static inline int pmd_devmap(pmd_t pmd) { return !!(pmd_val(pmd) & _PAGE_DEVMAP); @@ -732,7 +732,7 @@ static inline int pte_present(pte_t a) return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE); } -#ifdef __HAVE_ARCH_PTE_DEVMAP +#ifdef CONFIG_ARCH_HAS_PTE_DEVMAP static inline int pte_devmap(pte_t a) { return (pte_flags(a) & _PAGE_DEVMAP) == _PAGE_DEVMAP; diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h index d6ff0bbdb394..b5e49e6bac63 100644 --- a/arch/x86/include/asm/pgtable_types.h +++ b/arch/x86/include/asm/pgtable_types.h @@ -103,7 +103,6 @@ #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) #define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_NX) #define _PAGE_DEVMAP (_AT(u64, 1) << _PAGE_BIT_DEVMAP) -#define __HAVE_ARCH_PTE_DEVMAP #else #define _PAGE_NX (_AT(pteval_t, 0)) #define _PAGE_DEVMAP (_AT(pteval_t, 0)) diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h index 5dd1674ddf4c..b25e633033c3 100644 --- a/arch/x86/include/asm/traps.h +++ b/arch/x86/include/asm/traps.h @@ -40,7 +40,7 @@ asmlinkage void simd_coprocessor_error(void); asmlinkage void xen_divide_error(void); asmlinkage void xen_xennmi(void); asmlinkage void xen_xendebug(void); -asmlinkage void xen_xenint3(void); +asmlinkage void xen_int3(void); asmlinkage void xen_overflow(void); asmlinkage void xen_bounds(void); asmlinkage void xen_invalid_op(void); diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index c82abd6e4ca3..9c4435307ff8 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h @@ -66,7 +66,9 @@ static inline bool __chk_range_not_ok(unsigned long addr, unsigned long size, un }) #ifdef CONFIG_DEBUG_ATOMIC_SLEEP -# define WARN_ON_IN_IRQ() WARN_ON_ONCE(!in_task()) +static inline bool pagefault_disabled(void); +# define WARN_ON_IN_IRQ() \ + WARN_ON_ONCE(!in_task() && !pagefault_disabled()) #else # define WARN_ON_IN_IRQ() #endif diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h index b85a7c54c6a1..ac0934189017 100644 --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -301,6 +301,8 @@ extern struct x86_apic_ops x86_apic_ops; extern void x86_early_init_platform_quirks(void); extern void x86_init_noop(void); extern void x86_init_uint_noop(unsigned int unused); +extern bool bool_x86_init_noop(void); +extern void x86_op_int_noop(int cpu); extern bool x86_pnpbios_disabled(void); #endif diff --git a/arch/x86/include/asm/xen/hypervisor.h b/arch/x86/include/asm/xen/hypervisor.h index 39171b3646bb..42e1245af0d8 100644 --- a/arch/x86/include/asm/xen/hypervisor.h +++ b/arch/x86/include/asm/xen/hypervisor.h @@ -44,14 +44,14 @@ static inline uint32_t xen_cpuid_base(void) } #ifdef CONFIG_XEN -extern bool xen_hvm_need_lapic(void); +extern bool __init xen_hvm_need_lapic(void); -static inline bool xen_x2apic_para_available(void) +static inline bool __init xen_x2apic_para_available(void) { return xen_hvm_need_lapic(); } #else -static inline bool xen_x2apic_para_available(void) +static inline bool __init xen_x2apic_para_available(void) { return (xen_cpuid_base() != 0); } |