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d="scan'208";a="291319256" X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,221,1654585200"; d="scan'208";a="931970585" From: Xiaoyao Li To: Paolo Bonzini , Marcelo Tosatti Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org Subject: [PATCH v2 4/8] target/i386/intel-pt: print special message for INTEL_PT_ADDR_RANGES_NUM Date: Mon, 8 Aug 2022 16:58:30 +0800 Message-Id: <20220808085834.3227541-5-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220808085834.3227541-1-xiaoyao.li@intel.com> References: <20220808085834.3227541-1-xiaoyao.li@intel.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=134.134.136.24; envelope-from=xiaoyao.li@intel.com; helo=mga09.intel.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.998, HK_RANDOM_FROM=0.998, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1659950075033100001 Content-Type: text/plain; charset="utf-8" Bit[2:0] of CPUID.14H_01H:EAX stands as a whole for the number of INTEL PT ADDR RANGES. For unsupported value that exceeds what KVM reports, report it as a whole in mark_unavailable_features() as well. Signed-off-by: Xiaoyao Li --- target/i386/cpu.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 8b74d18c127f..dc0c1bbcbb16 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -4385,7 +4385,14 @@ static void mark_unavailable_features(X86CPU *cpu, F= eatureWord w, uint64_t mask, return; } =20 - for (i =3D 0; i < 64; ++i) { + if ((w =3D=3D FEAT_14_1_EAX) && (mask & INTEL_PT_ADDR_RANGES_NUM_MASK)= ) { + warn_report("%s: CPUID.14H_01H:EAX [bit 2:0]", verbose_prefix); + i =3D 3; + } else { + i =3D 0; + } + + for (; i < 64; ++i) { if ((1ULL << i) & mask) { g_autofree char *feat_word_str =3D feature_word_description(f,= i); warn_report("%s: %s%s%s [bit %d]", --=20 2.27.0