diff options
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/asm-offsets.c | 20 | ||||
| -rw-r--r-- | arch/powerpc/kernel/eeh.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/kernel/io-workarounds.c | 10 | ||||
| -rw-r--r-- | arch/powerpc/kernel/time.c | 6 |
4 files changed, 32 insertions, 10 deletions
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 4717859fdd04..0034b6b3556a 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -37,6 +37,7 @@ #include <asm/thread_info.h> #include <asm/rtas.h> #include <asm/vdso_datapage.h> +#include <asm/dbell.h> #ifdef CONFIG_PPC64 #include <asm/paca.h> #include <asm/lppaca.h> @@ -459,6 +460,19 @@ int main(void) DEFINE(VCPU_SPRG2, offsetof(struct kvm_vcpu, arch.shregs.sprg2)); DEFINE(VCPU_SPRG3, offsetof(struct kvm_vcpu, arch.shregs.sprg3)); #endif +#ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING + DEFINE(VCPU_TB_RMENTRY, offsetof(struct kvm_vcpu, arch.rm_entry)); + DEFINE(VCPU_TB_RMINTR, offsetof(struct kvm_vcpu, arch.rm_intr)); + DEFINE(VCPU_TB_RMEXIT, offsetof(struct kvm_vcpu, arch.rm_exit)); + DEFINE(VCPU_TB_GUEST, offsetof(struct kvm_vcpu, arch.guest_time)); + DEFINE(VCPU_TB_CEDE, offsetof(struct kvm_vcpu, arch.cede_time)); + DEFINE(VCPU_CUR_ACTIVITY, offsetof(struct kvm_vcpu, arch.cur_activity)); + DEFINE(VCPU_ACTIVITY_START, offsetof(struct kvm_vcpu, arch.cur_tb_start)); + DEFINE(TAS_SEQCOUNT, offsetof(struct kvmhv_tb_accumulator, seqcount)); + DEFINE(TAS_TOTAL, offsetof(struct kvmhv_tb_accumulator, tb_total)); + DEFINE(TAS_MIN, offsetof(struct kvmhv_tb_accumulator, tb_min)); + DEFINE(TAS_MAX, offsetof(struct kvmhv_tb_accumulator, tb_max)); +#endif DEFINE(VCPU_SHARED_SPRG3, offsetof(struct kvm_vcpu_arch_shared, sprg3)); DEFINE(VCPU_SHARED_SPRG4, offsetof(struct kvm_vcpu_arch_shared, sprg4)); DEFINE(VCPU_SHARED_SPRG5, offsetof(struct kvm_vcpu_arch_shared, sprg5)); @@ -492,7 +506,6 @@ int main(void) DEFINE(KVM_NEED_FLUSH, offsetof(struct kvm, arch.need_tlb_flush.bits)); DEFINE(KVM_ENABLED_HCALLS, offsetof(struct kvm, arch.enabled_hcalls)); DEFINE(KVM_LPCR, offsetof(struct kvm, arch.lpcr)); - DEFINE(KVM_RMOR, offsetof(struct kvm, arch.rmor)); DEFINE(KVM_VRMA_SLB_V, offsetof(struct kvm, arch.vrma_slb_v)); DEFINE(VCPU_DSISR, offsetof(struct kvm_vcpu, arch.shregs.dsisr)); DEFINE(VCPU_DAR, offsetof(struct kvm_vcpu, arch.shregs.dar)); @@ -550,8 +563,7 @@ int main(void) DEFINE(VCPU_ACOP, offsetof(struct kvm_vcpu, arch.acop)); DEFINE(VCPU_WORT, offsetof(struct kvm_vcpu, arch.wort)); DEFINE(VCPU_SHADOW_SRR1, offsetof(struct kvm_vcpu, arch.shadow_srr1)); - DEFINE(VCORE_ENTRY_EXIT, offsetof(struct kvmppc_vcore, entry_exit_count)); - DEFINE(VCORE_NAP_COUNT, offsetof(struct kvmppc_vcore, nap_count)); + DEFINE(VCORE_ENTRY_EXIT, offsetof(struct kvmppc_vcore, entry_exit_map)); DEFINE(VCORE_IN_GUEST, offsetof(struct kvmppc_vcore, in_guest)); DEFINE(VCORE_NAPPING_THREADS, offsetof(struct kvmppc_vcore, napping_threads)); DEFINE(VCORE_KVM, offsetof(struct kvmppc_vcore, kvm)); @@ -748,5 +760,7 @@ int main(void) offsetof(struct paca_struct, subcore_sibling_mask)); #endif + DEFINE(PPC_DBELL_SERVER, PPC_DBELL_SERVER); + return 0; } diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c index a4c62eb0ee48..44b480e3a5af 100644 --- a/arch/powerpc/kernel/eeh.c +++ b/arch/powerpc/kernel/eeh.c @@ -334,9 +334,11 @@ static inline unsigned long eeh_token_to_phys(unsigned long token) int hugepage_shift; /* - * We won't find hugepages here, iomem + * We won't find hugepages here(this is iomem). Hence we are not + * worried about _PAGE_SPLITTING/collapse. Also we will not hit + * page table free, because of init_mm. */ - ptep = find_linux_pte_or_hugepte(init_mm.pgd, token, &hugepage_shift); + ptep = __find_linux_pte_or_hugepte(init_mm.pgd, token, &hugepage_shift); if (!ptep) return token; WARN_ON(hugepage_shift); diff --git a/arch/powerpc/kernel/io-workarounds.c b/arch/powerpc/kernel/io-workarounds.c index 24b968f8e4d8..63d9cc4d7366 100644 --- a/arch/powerpc/kernel/io-workarounds.c +++ b/arch/powerpc/kernel/io-workarounds.c @@ -71,15 +71,15 @@ struct iowa_bus *iowa_mem_find_bus(const PCI_IO_ADDR addr) vaddr = (unsigned long)PCI_FIX_ADDR(addr); if (vaddr < PHB_IO_BASE || vaddr >= PHB_IO_END) return NULL; - - ptep = find_linux_pte_or_hugepte(init_mm.pgd, vaddr, + /* + * We won't find huge pages here (iomem). Also can't hit + * a page table free due to init_mm + */ + ptep = __find_linux_pte_or_hugepte(init_mm.pgd, vaddr, &hugepage_shift); if (ptep == NULL) paddr = 0; else { - /* - * we don't have hugepages backing iomem - */ WARN_ON(hugepage_shift); paddr = pte_pfn(*ptep) << PAGE_SHIFT; } diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 2d7b33fab953..56f44848b044 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -608,6 +608,12 @@ void arch_suspend_enable_irqs(void) } #endif +unsigned long long tb_to_ns(unsigned long long ticks) +{ + return mulhdu(ticks, tb_to_ns_scale) << tb_to_ns_shift; +} +EXPORT_SYMBOL_GPL(tb_to_ns); + /* * Scheduler clock - returns current time in nanosec units. * |
