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Mon, 09 Nov 2026 00:41:16 +0000 (UTC) From: Mohamed Mediouni To: qemu-devel@nongnu.org Cc: Pedro Barbuda , Pierrick Bouvier , Peter Maydell , Mohamed Mediouni , qemu-arm@nongnu.org, Boden Randin Subject: [PULL 07/13] whpx: i386: avoid updating hflags for vmexits Date: Sun, 8 Nov 2026 17:41:02 -0700 Message-ID: <20261109004108.85808-8-mohamed@unpredictable.fr> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20261109004108.85808-1-mohamed@unpredictable.fr> References: <20261109004108.85808-1-mohamed@unpredictable.fr> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: 4ltYpodwaV1Y7shP9F1xAIpgHuDKA8n- X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTA5MDAwMSBTYWx0ZWRfX29ku8tMcGuZd 9+L3ONFgPEeX7g3LyC+S9TYelJ3Fq2nhcKLLiigbsPxQbiw8c9V0toq9EyXZ9WXb8ilSHTPA7tS Z5QL2sCx0SG2FCCqQgXsvseAvQjW5VlxU0jezg7NB7Zkex+G1c2DO7+6u8RpWhRPFEJDjUsp5mO MT8sM/M9WsLikEPSyHgk6gelwipRVXU870XPIe3i7brESt2v3s6jAPYMIRv6Q+uULG2k8iVwBqJ C5DAe6WucumWQJCXpWho9igy0tzK8E0wUl0F4TYOwxD4I3koocIB3jM4MQRjZno4UjR46TEpDSl qVM+upNencx6lE0WkxGFJtVIY95Smj5dIbeY11gn9perc8vjNIBZizTbGOs0nY= X-Authority-Info-Out: v=2.4 cv=X5Zf6WTe c=1 sm=1 tr=0 ts=6af116ad cx=c_apl:c_pps:t_out a=2G65uMN5HjSv0sBfM2Yj2w==:117 a=2G65uMN5HjSv0sBfM2Yj2w==:17 a=zJRp6_cAMcgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=pGLkceISAAAA:8 a=XFq3rTXSGl1-eYzejacA:9 X-Proofpoint-ORIG-GUID: 4ltYpodwaV1Y7shP9F1xAIpgHuDKA8n- X-JNJ: AAAAAAABPH02SL0Xahkvci3GYjjO9SyzWHNvoFk/qY3ZOSpcLQIqBY2+6CQ1ykQwYizJO9 K80D/msVp6KDk5vEHxbMVbjGFYNhiCjDMnqPaLIXtRG//60RZ5WAuim4sCy6h62GtgpFbG X/FUdmb1AGtHQwDg7uneit55eObco7wnSSLAJEfQNSNOnq7OL1ev95k40D+hCUxRbFEq/5 I07jV029NKCSNLjDEU9KCePMYtMDNEAaqtXw1ih7JbAw1mO1BC2SfzbLFZWKoyt4nr6nyc kEb3P3GvfUjuEewnGdwpKNWujXueg9THqED1LmApFyYuzSjFTX5ZXXSNllFKQr/Cc/jkNU zZea+zQMoNx7ATz7V/mUV8qO3hBT2zS7xzpuxRbtkiajN4Ydcq9xosSLe+UKhJmE9fQK1n tfMpI/qHrMufOfaFp+DqMetthRr5s725WQPSMMTJ4wRnoy+G+wy2JGCowqvu/p7QEG6PsA JPwoepBuI3S1z0B55Mt+0hG3TRKbBHhFaSNl2hyR30lciEnn3c0+5cfdeGqXExstw97N6m atY/l9g9gPt5vbR/VnoJF+XLIHt7D2rI4BkezHEiArMF3VW0DH77Wa2xgXSwqPddPTpI1L kTwn5F/mgzSE8ZvLa9+hapXqhIbydnpy3KTJ+oWVkcCRBwLa39a+xjf3HgKltdn0//mBh/ rf/S0WqSwQ13VhKRjYME5ojv0iN+nqc/4Bbs7HdpVkuAjSB/PIOUIhwGno6jsE2T6HK23E tOk4gjSWFbKF7L4yvhOg6px9H6NbW66BBMPSMDFYPvEvh/6rk62wL501YZGeJcp/Qb8AMx 79dLqVc4Y39zN7HBwvtU8gwYOxe3AFwpEg== Received-SPF: pass client-ip=2a01:b747:3005:200::6b; envelope-from=mohamed@unpredictable.fr; helo=outbound.ci.icloud.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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 From: Boden Randin whpx_get_registers_for_vmexit only refreshes GPRs, RIP and RFLAGS. x86_update_hflags() depends on state not refreshed here, while the code using the fast runtime state does not depend on the hflags it recomputes. Signed-off-by: Boden Randin Reviewed-by: Mohamed Mediouni Signed-off-by: Mohamed Mediouni --- target/i386/whpx/whpx-all.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c index 7e418f1c91..8807a7b95f 100644 --- a/target/i386/whpx/whpx-all.c +++ b/target/i386/whpx/whpx-all.c @@ -772,8 +772,6 @@ static void whpx_get_registers_for_vmexit(CPUState *cpu, WHPXStateLevel level) rflags_to_lflags(env); assert(idx == RTL_NUMBER_OF(whpx_register_names_for_vmexit)); - - x86_update_hflags(env); } static void whpx_get_legacy_fp_registers(CPUState *cpu, WHPXStateLevel level) -- 2.54.0 (Apple Git-157)