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| author | Paul Mackerras <paulus@ozlabs.org> | 2019-04-29 19:00:40 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@ozlabs.org> | 2019-04-30 19:32:01 +1000 |
| commit | 2940ba0c48bf18e15e85cbb0f26c0e88e1211587 (patch) | |
| tree | 314b4cb4da889bfeb6c653a534bf2afe63689e1a /arch/powerpc/include | |
| parent | 7ae9bda7edf3dac56c9abaeec264ac08d399a1ff (diff) | |
| download | linux-2940ba0c48bf18e15e85cbb0f26c0e88e1211587.tar.gz linux-2940ba0c48bf18e15e85cbb0f26c0e88e1211587.tar.bz2 linux-2940ba0c48bf18e15e85cbb0f26c0e88e1211587.zip | |
KVM: PPC: Book3S HV: Move HPT guest TLB flushing to C code
This replaces assembler code in book3s_hv_rmhandlers.S that checks
the kvm->arch.need_tlb_flush cpumask and optionally does a TLB flush
with C code in book3s_hv_builtin.c. Note that unlike the radix
version, the hash version doesn't do an explicit ERAT invalidation
because we will invalidate and load up the SLB before entering the
guest, and that will invalidate the ERAT.
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/kvm_ppc.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index 05128e917a83..0975f5f2fd70 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -476,6 +476,8 @@ extern void kvm_hv_vm_activated(void); extern void kvm_hv_vm_deactivated(void); extern bool kvm_hv_mode_active(void); +extern void kvmppc_hpt_check_need_tlb_flush(struct kvm *kvm); + #else static inline void __init kvm_cma_reserve(void) {} |