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Mon, 30 Mar 2026 04:50:26 -0700 (PDT) X-Received: by 2002:a05:6000:268a:b0:43b:45da:f296 with SMTP id ffacd0b85a97d-43b9e987d45mr20423138f8f.11.1774871425717; Mon, 30 Mar 2026 04:50:25 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: Mohamed Mediouni , Pierrick Bouvier Subject: [PULL 03/12] whpx: i386: trace unsupported MSR accesses Date: Mon, 30 Mar 2026 13:50:07 +0200 Message-ID: <20260330115017.256211-4-pbonzini@redhat.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260330115017.256211-1-pbonzini@redhat.com> References: <20260330115017.256211-1-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=170.10.133.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.54, 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_H2=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no 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: 1774871443785154100 Content-Type: text/plain; charset="utf-8" From: Mohamed Mediouni Not actionable information for users, so stop having it displayed unconditionally. Signed-off-by: Mohamed Mediouni Reviewed-by: Pierrick Bouvier Link: https://lore.kernel.org/r/20260327011152.4126-4-mohamed@unpredictable= .fr Signed-off-by: Paolo Bonzini --- meson.build | 1 + target/i386/whpx/trace.h | 2 ++ target/i386/whpx/whpx-all.c | 5 +++-- target/i386/whpx/trace-events | 1 + 4 files changed, 7 insertions(+), 2 deletions(-) create mode 100644 target/i386/whpx/trace.h create mode 100644 target/i386/whpx/trace-events diff --git a/meson.build b/meson.build index 407eef5b4ed..daa58e46a3c 100644 --- a/meson.build +++ b/meson.build @@ -3687,6 +3687,7 @@ if have_system or have_user 'target/hppa', 'target/i386', 'target/i386/kvm', + 'target/i386/whpx', 'target/loongarch', 'target/mips/tcg', 'target/ppc', diff --git a/target/i386/whpx/trace.h b/target/i386/whpx/trace.h new file mode 100644 index 00000000000..b7c090deff3 --- /dev/null +++ b/target/i386/whpx/trace.h @@ -0,0 +1,2 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#include "trace/trace-target_i386_whpx.h" diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c index acae61e089d..e56ae2b3433 100644 --- a/target/i386/whpx/whpx-all.c +++ b/target/i386/whpx/whpx-all.c @@ -41,6 +41,7 @@ #include "emulate/x86_emu.h" #include "emulate/x86_flags.h" #include "emulate/x86_mmu.h" +#include "trace.h" =20 #include =20 @@ -1921,8 +1922,8 @@ int whpx_vcpu_run(CPUState *cpu) 1 : 3; =20 if (!is_known_msr) { - warn_report("WHPX: Unsupported MSR access (0x%x), IsWrite= =3D%i",=20 - vcpu->exit_ctx.MsrAccess.MsrNumber, vcpu->exit_ctx.MsrAcce= ss.AccessInfo.IsWrite); + trace_whpx_unsupported_msr_access(vcpu->exit_ctx.MsrAccess= .MsrNumber, + vcpu->exit_ctx.MsrAccess.AccessInfo.IsWrite); } =20 hr =3D whp_dispatch.WHvSetVirtualProcessorRegisters( diff --git a/target/i386/whpx/trace-events b/target/i386/whpx/trace-events new file mode 100644 index 00000000000..ebdfa34b281 --- /dev/null +++ b/target/i386/whpx/trace-events @@ -0,0 +1 @@ +whpx_unsupported_msr_access(uint32_t msr, int is_write) "WHPX: Unsupported= MSR access (0x%x), IsWrite=3D%i" --=20 2.53.0