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-rw-r--r--arch/s390/include/asm/kvm_host.h12
-rw-r--r--arch/s390/include/asm/mmu_context.h2
-rw-r--r--arch/s390/include/asm/page.h11
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
518struct s390_model_fac { 518struct 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
525struct kvm_s390_cpu_model { 525struct 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
40static 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