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Wed, 25 Mar 2026 09:45:07 -0700 (PDT) X-Received: by 2002:a05:600c:1f86:b0:485:46fd:7887 with SMTP id 5b1f17b1804b1-48715fef87fmr66009325e9.13.1774457107300; Wed, 25 Mar 2026 09:45:07 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: Mohamed Mediouni Subject: [PULL 06/19] whpx: i386: skip TSC read for MMIO exits Date: Wed, 25 Mar 2026 17:44:40 +0100 Message-ID: <20260325164453.72127-7-pbonzini@redhat.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260325164453.72127-1-pbonzini@redhat.com> References: <20260325164453.72127-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; 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, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, 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: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1774457216445158500 Content-Type: text/plain; charset="utf-8" From: Mohamed Mediouni The TSC value isn't needed for vmexit processing. Signed-off-by: Mohamed Mediouni Link: https://lore.kernel.org/r/20260324151323.74473-4-mohamed@unpredictabl= e.fr Signed-off-by: Paolo Bonzini --- target/i386/whpx/whpx-all.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c index 8f1835ee95c..ac03445d9da 100644 --- a/target/i386/whpx/whpx-all.c +++ b/target/i386/whpx/whpx-all.c @@ -606,7 +606,7 @@ void whpx_get_registers(CPUState *cpu, WHPXStateLevel l= evel) =20 assert(cpu_is_stopped(cpu) || qemu_cpu_is_self(cpu)); =20 - if (!env->tsc_valid) { + if (level > WHPX_LEVEL_FAST_RUNTIME_STATE && !env->tsc_valid) { whpx_get_tsc(cpu); env->tsc_valid =3D !runstate_is_running(); } --=20 2.53.0