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helo=mx0b-002c1b01.pphosted.com","X-Spam_score_int":"-31","X-Spam_score":"-3.2","X-Spam_bar":"---","X-Spam_report":"(-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.445,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"From: Khushit Shah \n\nEnable KVM_CAP_ARM_WRITABLE_IMP_ID_REGS if the host kernel supports it.\nThis allows QEMU to write implementation-defined ID registers (MIDR,\nREVIDR) so that named CPU models can present the correct values to the\nguest instead of inheriting the host's identity.\n\nSigned-off-by: Khushit Shah \n---\n target/arm/kvm.c | 7 +++++++\n 1 file changed, 7 insertions(+)","diff":"diff --git a/target/arm/kvm.c b/target/arm/kvm.c\nindex dc64cfbeb6..288b5ebe85 100644\n--- a/target/arm/kvm.c\n+++ b/target/arm/kvm.c\n@@ -711,6 +711,13 @@ int kvm_arch_init(MachineState *ms, KVMState *s)\n }\n }\n \n+ if (kvm_check_extension(s, KVM_CAP_ARM_WRITABLE_IMP_ID_REGS)) {\n+ if (kvm_vm_enable_cap(s, KVM_CAP_ARM_WRITABLE_IMP_ID_REGS, 0)) {\n+ error_report(\"Failed to enable \"\n+ \"KVM_CAP_ARM_WRITABLE_IMP_ID_REGS cap\");\n+ }\n+ }\n+\n if (s->kvm_eager_split_size) {\n uint32_t sizes;\n \n","prefixes":["RFC","v1","13/13"]}