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charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Maksim Davydov Based on the kernel commit "b0563468ee x86/CPU/AMD: Disable XSAVES on AMD family 0x17", host system with EPYC-Rome can clear XSAVES capability bit. In another words, EPYC-Rome host without XSAVES can occur. Thus, we need an EPYC-Rome cpu model (without this feature) that matches the solution of fixing this erratum Signed-off-by: Maksim Davydov Message-Id: <20230524213748.8918-1-davydov-max@yandex-team.ru> Signed-off-by: Paolo Bonzini --- target/i386/cpu.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index a61cd6d99d1f..1242bd541a53 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -4466,6 +4466,16 @@ static const X86CPUDefinition builtin_x86_defs[] = { }, .cache_info = &epyc_rome_v3_cache_info }, + { + .version = 4, + .props = (PropValue[]) { + /* Erratum 1386 */ + { "model-id", + "AMD EPYC-Rome-v4 Processor (no XSAVES)" }, + { "xsaves", "off" }, + { /* end of list */ } + }, + }, { /* end of list */ } } }, -- 2.40.1