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Sun, 08 Nov 2026 09:54:11 +0000 (UTC) From: Mohamed Mediouni To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Mohamed Mediouni , Pedro Barbuda , Peter Maydell , Pierrick Bouvier , Boden Randin Subject: [PULL 07/13] whpx: i386: avoid updating hflags for vmexits Date: Sun, 8 Nov 2026 02:53:57 -0700 Message-ID: <20261108095403.70813-8-mohamed@unpredictable.fr> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20261108095403.70813-1-mohamed@unpredictable.fr> References: <20261108095403.70813-1-mohamed@unpredictable.fr> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: P_SIJRJy5OPnvr-If6nY9XbEDn4SzfiH X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTA4MDAzOSBTYWx0ZWRfX7l67fJCoKHT2 0AOMJRzBDS96paKMnMK5td8o9eH8kX93Ma5gJFTfzHm9XPG8LdTR2pNNRY+2b8J4WU/uU6RQL6h W8JFPVEHBYwZU9Fkg4+ASNPcv50GEc+ZF3Oq2RfsT/AP9WBKfr5oApfPIz24sIW64B1JQuCYAuj tNHdyrtz3KuUgodZJO8/M9bLimS/wOuyvTj2Kv65lGxC+kgvZLlQMmisvjOxmJf4X94QoAPc9UH GPf0NMxZHm8M7lGu4XSI+4sR3cFZxiqbt8d4MAM0Jnp8ZJLGRLYL7tefN+fILklPpFzQY68GfBr uGLxASwZPCK9ykWJ8dbtHH5CRq/Mj7MxiypP9vC7NHlc1D3869Q6i1JTdjhpKg= X-Authority-Info-Out: v=2.4 cv=Kd3fcAYD c=1 sm=1 tr=0 ts=6af046c6 cx=c_apl:c_pps:t_out a=oyWFxbOnq+dmhQrAPgaJYA==:117 a=oyWFxbOnq+dmhQrAPgaJYA==:17 a=zJRp6_cAMcgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=pGLkceISAAAA:8 a=JvUqhf-O7Ua7-JxK32kA:9 X-Proofpoint-ORIG-GUID: P_SIJRJy5OPnvr-If6nY9XbEDn4SzfiH X-JNJ: AAAAAAABDMbhn5pFxH86WZmHoZllfB0umoJJHocNDZPsZyEri8M4GDhWbRuQb/B2Ptw/Ar 9fecgpgSgSN5787uqvy8KaOd2kQms2Fx/QcF65eYimbzAxYELXy/rWlGxOlQNeX1Lxy8Eo R1dC/JJeIZmpxBZqv6WhIuqid6Bgc5U+x1eNu8knIroIp9LJjl25TlvkuhtCdI+wjEyUqH X/vUSxhJ+EJrYWKQDRGxpXv2ZJu9xdCVbG+gJt1kaUWVX3WjB22Tq+XFSpvnlI/JvDEBdt 5SfnrxF23s3LFKzm354HCCNxfSIFpykv04mIQuRU+xamh2gY4mJ45wHs+tV9ARd8ZrZ+Eb O8X3Zu3D4D9DYeZHnT5i0Nh4uwphGqgoNVP9ZOu/ChT/lh/2tBtnE9+GFCpBPuyrw/diII ELxi6jiIhAhcov5QKxnUvSyIe1osU+Bp8flAeIGIGftqYbuJzRUb7Nfk5gQFdrGnU0qb06 2v5umHtMic3ViW7pggC3wsaE7hq0Ik0yOqVvzrL+4l26oCd+VPHm1axMHi8Vmsw8Ih+reQ M8cr0tCLSulqDehNSH2Y/djqQGLAWetXPwmrj12vHLlzrgIJdZ1kJDL5RU5TdrU4DJXeil G92EQ5aQVIAy5OsngbXPnF8cHLTiP4JQ/1mlZXCdIwSXrkJ2USFI05RYeALc5nthPqWS5V rrpfjXjQCin1/LzaQk6sw/ncJbi6HGgt2E7PjWTH4o1cP9K41eQHhlPhVT5C7uEL1IdH9Q OBTAKga8i0FqkSBpf6XCk5++2ZOVG5Ce6cNWqouDJ7EihjaSLCcq8Q58ejTPtXB2Lkqg== Received-SPF: pass client-ip=2a01:b747:3001:201::6f; envelope-from=mohamed@unpredictable.fr; helo=outbound.st.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 --- 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 d13513985c..65e56d32fa 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)