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([2401:d002:dc0f:2100:4a1:428a:70f2:5844]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ad1aadca84sm53294155ad.70.2026.02.15.19.45.03 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 15 Feb 2026 19:45:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1771213505; x=1771818305; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=YspkmQ6qCsCzLdbemTI6YW69AEAqfF80AIDpAXjfP0A=; b=xq19cRc225oig2HaE+i2uwxVgwlz5IcWBHLrrTkpbWlUbCS7PSmJ9T4fhxM9gUCsm0 Sn4lzkfpjI4UEgAA5T0H4bzaHsTzyyiQZGYwKr+6luiAqs2KTxmUR0yRoSExdj2UCrYD 3RUva2h7DNnvfGoRROdHLZPdSF785oBq6jR8jPNFmWhs7PFV/IWnaV0qj0lTIzSQRGtJ H7LfNOpSmoE/LcCFyhull8J0X8sM19XhPBdWSCXwQ0pdKMrvSuvV/YBlOrtgwkQK8Y27 CCDAZhDG6/RWL7s7lc3scmjQZLBdqretqU11kGuohy1qzQXYS/o8ti3+IiuCwr8o8a3v zeKA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1771213505; x=1771818305; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=YspkmQ6qCsCzLdbemTI6YW69AEAqfF80AIDpAXjfP0A=; b=E9sW8quuMIu90mv3ebSxu4X5Lm1tAZdm5QBtPR6gW42/c1zqGoH2XVn5aaHeBLyD+N 20vkL+upI+UU2lr41BEGor7ugI7naLDuJfkLAS6nyQ5tfOPaqdNht0QbK1GGr4gGImqF LDT/VrwX3cThHTBW8S/xw4yXlVEYHGz2JRzpgITSNbx/l+8MCasqofSg/DrPxxlx5Frz bUVDWNx5moWYj1WaLFCFw3s9mLcROZyTmmYcYHJrM7d3cS3o/GSCPzp2I7lSUDO8/Ddg RA7NHSFaohxhprCYr5frLDNVfVNMNSOV08HSpjJYXkkbgefN1a0LHFfrRTADCRODZ0wC /AGQ== X-Gm-Message-State: AOJu0Yyr6ehpXHgz8zsX0j3JbXdd2pr9TbrU94+y8fv8Cy+GCjcHObQK cD1Ojl8NYKNBpYO8pWTe/mAwHVBpoythCE6+KczgXMjNG+WPfuQNcJwd2bxy35crLkOFSjUU0jv TnpEA2KU= X-Gm-Gg: AZuq6aK8BFgxXQy8x57sSTIepWnKPtdbgl8r/vA7FYzGldjt+poiBjGhA9l6fcQ3EdN oEAaCICOQC5lmWET8r+soL8i7T/ju8ENrMActnMbE60zTpP8nJbKHwjBfxRkmSATblvnpt0vXYF WkGUcqMERReKaWElH8geNdEGSoOcn8BsNKvPPcIVeczZcT8/6KAM0kWIVE+J1z43fyRLf7ie2CU rUsuGLwCFdscLDGEuL2cb1PzYw1BNm+noXJeoX/0fM8fhgDDJxsjgwIMDZEg/LPgXP9tB97rpLV AOEH9B0z+vwWmopUaQ7HpGLPKVHsPK8n3pQu//LYJuh/aHkzmus9zimf+ApyO5Lur/nPQQprpwg njl0Osx4Nj44+/SmHmpR7/4qW90ZcnMQYxhoZUvqgeW8AQs5IZCs1HZs2RB9b0KxBbDIyrZOvR5 20075MHZWXsK+1zQl7fk3cPhML/sVfm22N X-Received: by 2002:a05:6a21:398f:b0:35d:d477:a7d7 with SMTP id adf61e73a8af0-3946711458fmr10264998637.7.1771213504591; Sun, 15 Feb 2026 19:45:04 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [RFC PATCH 13/13] target/arm: Add SME properties for KVM Date: Mon, 16 Feb 2026 13:44:32 +1000 Message-ID: <20260216034432.23912-14-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260216034432.23912-1-richard.henderson@linaro.org> References: <20260216034432.23912-1-richard.henderson@linaro.org> 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=2607:f8b0:4864:20::532; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x532.google.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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=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 @linaro.org) X-ZM-MESSAGEID: 1771213579282158500 Content-Type: text/plain; charset="utf-8" Add the properties even if SME is not supported, akin to how we unconditionally add the SVE properties. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/cpu64.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index 38d06af49f..4a7032ba72 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -496,9 +496,20 @@ void aarch64_add_sme_properties(Object *obj) ARMCPU *cpu =3D ARM_CPU(obj); uint32_t vq; =20 - object_property_add_bool(obj, "sme", cpu_arm_get_sme, cpu_arm_set_sme); - object_property_add_bool(obj, "sme_fa64", cpu_arm_get_sme_fa64, - cpu_arm_set_sme_fa64); + if (cpu->sme_vq.supported) { + object_property_add_bool(obj, "sme", cpu_arm_get_sme, cpu_arm_set_= sme); + } else { + assert(!tcg_enabled()); + prop_add_stub_bool(obj, "sme"); + } + /* + * Only TCG allows FA64 to be configured; host virtualization + * enables it if and only if the host cpu supports it. + */ + if (tcg_enabled()) { + object_property_add_bool(obj, "sme_fa64", cpu_arm_get_sme_fa64, + cpu_arm_set_sme_fa64); + } =20 for (vq =3D 1; vq <=3D ARM_MAX_VQ; vq <<=3D 1) { char name[8]; @@ -784,6 +795,7 @@ static void aarch64_host_initfn(Object *obj) #if defined(CONFIG_KVM) kvm_arm_set_cpu_features_from_host(cpu); aarch64_add_sve_properties(obj); + aarch64_add_sme_properties(obj); #elif defined(CONFIG_HVF) hvf_arm_set_cpu_features_from_host(cpu); #elif defined(CONFIG_WHPX) --=20 2.43.0