diff options
Diffstat (limited to 'arch/s390/include/asm')
-rw-r--r-- | arch/s390/include/asm/kvm_host.h | 12 | ||||
-rw-r--r-- | arch/s390/include/asm/mmu_context.h | 2 | ||||
-rw-r--r-- | arch/s390/include/asm/page.h | 11 |
3 files changed, 8 insertions, 17 deletions
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index d84559e31f32..f407bbf5ee94 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h | |||
@@ -515,15 +515,15 @@ struct s390_io_adapter { | |||
515 | #define S390_ARCH_FAC_MASK_SIZE_U64 \ | 515 | #define S390_ARCH_FAC_MASK_SIZE_U64 \ |
516 | (S390_ARCH_FAC_MASK_SIZE_BYTE / sizeof(u64)) | 516 | (S390_ARCH_FAC_MASK_SIZE_BYTE / sizeof(u64)) |
517 | 517 | ||
518 | struct s390_model_fac { | 518 | struct kvm_s390_fac { |
519 | /* facilities used in SIE context */ | 519 | /* facility list requested by guest */ |
520 | __u64 sie[S390_ARCH_FAC_LIST_SIZE_U64]; | 520 | __u64 list[S390_ARCH_FAC_LIST_SIZE_U64]; |
521 | /* subset enabled by kvm */ | 521 | /* facility mask supported by kvm & hosting machine */ |
522 | __u64 kvm[S390_ARCH_FAC_LIST_SIZE_U64]; | 522 | __u64 mask[S390_ARCH_FAC_LIST_SIZE_U64]; |
523 | }; | 523 | }; |
524 | 524 | ||
525 | struct kvm_s390_cpu_model { | 525 | struct kvm_s390_cpu_model { |
526 | struct s390_model_fac *fac; | 526 | struct kvm_s390_fac *fac; |
527 | struct cpuid cpu_id; | 527 | struct cpuid cpu_id; |
528 | unsigned short ibc; | 528 | unsigned short ibc; |
529 | }; | 529 | }; |
diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h index f49b71954654..8fb3802f8fad 100644 --- a/arch/s390/include/asm/mmu_context.h +++ b/arch/s390/include/asm/mmu_context.h | |||
@@ -62,6 +62,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, | |||
62 | { | 62 | { |
63 | int cpu = smp_processor_id(); | 63 | int cpu = smp_processor_id(); |
64 | 64 | ||
65 | S390_lowcore.user_asce = next->context.asce_bits | __pa(next->pgd); | ||
65 | if (prev == next) | 66 | if (prev == next) |
66 | return; | 67 | return; |
67 | if (MACHINE_HAS_TLB_LC) | 68 | if (MACHINE_HAS_TLB_LC) |
@@ -73,7 +74,6 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, | |||
73 | atomic_dec(&prev->context.attach_count); | 74 | atomic_dec(&prev->context.attach_count); |
74 | if (MACHINE_HAS_TLB_LC) | 75 | if (MACHINE_HAS_TLB_LC) |
75 | cpumask_clear_cpu(cpu, &prev->context.cpu_attach_mask); | 76 | cpumask_clear_cpu(cpu, &prev->context.cpu_attach_mask); |
76 | S390_lowcore.user_asce = next->context.asce_bits | __pa(next->pgd); | ||
77 | } | 77 | } |
78 | 78 | ||
79 | #define finish_arch_post_lock_switch finish_arch_post_lock_switch | 79 | #define finish_arch_post_lock_switch finish_arch_post_lock_switch |
diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h index 7b2ac6e44166..53eacbd4f09b 100644 --- a/arch/s390/include/asm/page.h +++ b/arch/s390/include/asm/page.h | |||
@@ -37,16 +37,7 @@ static inline void storage_key_init_range(unsigned long start, unsigned long end | |||
37 | #endif | 37 | #endif |
38 | } | 38 | } |
39 | 39 | ||
40 | static inline void clear_page(void *page) | 40 | #define clear_page(page) memset((page), 0, PAGE_SIZE) |
41 | { | ||
42 | register unsigned long reg1 asm ("1") = 0; | ||
43 | register void *reg2 asm ("2") = page; | ||
44 | register unsigned long reg3 asm ("3") = 4096; | ||
45 | asm volatile( | ||
46 | " mvcl 2,0" | ||
47 | : "+d" (reg2), "+d" (reg3) : "d" (reg1) | ||
48 | : "memory", "cc"); | ||
49 | } | ||
50 | 41 | ||
51 | /* | 42 | /* |
52 | * copy_page uses the mvcl instruction with 0xb0 padding byte in order to | 43 | * copy_page uses the mvcl instruction with 0xb0 padding byte in order to |