From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fabiano Rosas Date: Thu, 23 Dec 2021 21:15:27 +0000 Subject: [PATCH 2/3] KVM: PPC: Fix vmx/vsx mixup in mmio emulation Message-Id: <20211223211528.3560711-3-farosas@linux.ibm.com> List-Id: References: <20211223211528.3560711-1-farosas@linux.ibm.com> In-Reply-To: <20211223211528.3560711-1-farosas@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kvm-ppc@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org, npiggin@gmail.com, aik@ozlabs.ru The MMIO emulation code for vector instructions is duplicated between VSX and VMX. When emulating VMX we should check the VMX copy size instead of the VSX one. Fixes: acc9eb9305fe ("KVM: PPC: Reimplement LOAD_VMX/STORE_VMX instruction ...") Signed-off-by: Fabiano Rosas --- arch/powerpc/kvm/powerpc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 1e130bb087c4..793d42bd6c8f 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -1507,7 +1507,7 @@ int kvmppc_handle_vmx_load(struct kvm_vcpu *vcpu, { enum emulation_result emulated = EMULATE_DONE; - if (vcpu->arch.mmio_vsx_copy_nums > 2) + if (vcpu->arch.mmio_vmx_copy_nums > 2) return EMULATE_FAIL; while (vcpu->arch.mmio_vmx_copy_nums) { -- 2.33.1