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| author | Jordan Niethe <jniethe5@gmail.com> | 2023-12-01 18:56:13 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2023-12-07 23:33:07 +1100 |
| commit | a9a3de530d7531bf6cd3f6ccda769cd94c1105a0 (patch) | |
| tree | 42615b5b2ba810f3dc0997587087391be714d119 | |
| parent | df938a5576f3f3b08e1f217c660385c0d58a0b91 (diff) | |
| download | linux-a9a3de530d7531bf6cd3f6ccda769cd94c1105a0.tar.gz linux-a9a3de530d7531bf6cd3f6ccda769cd94c1105a0.tar.bz2 linux-a9a3de530d7531bf6cd3f6ccda769cd94c1105a0.zip | |
KVM: PPC: Book3S HV nestedv2: Avoid msr check in kvmppc_handle_exit_hv()
The msr check in kvmppc_handle_exit_hv() is not needed for nestedv2 hosts,
skip the check to avoid a H_GUEST_GET_STATE hcall.
Signed-off-by: Jordan Niethe <jniethe5@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231201132618.555031-9-vaibhav@linux.ibm.com
| -rw-r--r-- | arch/powerpc/kvm/book3s_hv.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 4dc6a928073f..47fe470375df 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -1597,7 +1597,7 @@ static int kvmppc_handle_exit_hv(struct kvm_vcpu *vcpu, * That can happen due to a bug, or due to a machine check * occurring at just the wrong time. */ - if (__kvmppc_get_msr_hv(vcpu) & MSR_HV) { + if (!kvmhv_is_nestedv2() && (__kvmppc_get_msr_hv(vcpu) & MSR_HV)) { printk(KERN_EMERG "KVM trap in HV mode!\n"); printk(KERN_EMERG "trap=0x%x | pc=0x%lx | msr=0x%llx\n", vcpu->arch.trap, kvmppc_get_pc(vcpu), |