From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793996645; b=dKxE4jKlmlr8J8MGSGJcTbGuOVBtJvnOrYPaf39UvkMPSr2/Pwkd7lOr5O7uaYinlNGR M9OD6dmObr4sqjUXOAmzg3sdRR3xvTBZ2KxrnCDlRIAKYjjS+qMr0T9MNgTIOd+LsKc70 2gPVklvpq2UrmeIgnhpyq8R/54AGfgM3eXB9V1o0S3iTv4/gHy9zC3MXIzs2a8wkez5JZ Ex3k5GAgQWIuXGqwFDqYJOLqTRrC561MLYSeZVWXpTcoAMcolb79pn4XPBFOvVe7IahSr /MljYjWoXV26MeE977loY/xN03UNwBabW+HEWK3BOdr41igRgUcW1hLFLVZW6IlN4Mg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793996645; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=/VBRtBeHuB9YGjdNT9iRyx5cYNuOEEA5uwYQ73v6vKY=; b=Jn1J0EpFOyYhX3V6C2AyKwmAN2mXIEJN+W7SDsSwDCDRibQjvprcJud9liHgK4zJ54cx Qnbyt+pmoZfPqOueFYexBPjiTlkTt9lGbJK//NjKcwvs/cD9pgl2iLQ+CHoDNcJzAQgrI G3vR0SUgrw5YXw+GwnvlBypQUqiI8zMD4oUGSaE6XHgDC2m8Exy2q/7GRdqEpywgWA+XA 0HvruYKMHXC4uB4FWRsKrL9k9rqeZl+51wemaraOgL5+a9LUgAdI7eCEvJB+pS24PmBnF GfC08iWq1ecyqVBLd8hQ3kOKPL8pQyJs2ukkqzdtRvCgehX2djh971d+s/Li07fZPAw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=aiDqap7I; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0BC16606A326 for ; Fri, 6 Nov 2026 20:24:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=aiDqap7I Received: by smtp.kernel.org (Postfix) with ESMTPSA id 80F481F0089F; Fri, 6 Nov 2026 20:24:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793996644; bh=/VBRtBeHuB9YGjdNT9iRyx5cYNuOEEA5uwYQ73v6vKY=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=aiDqap7I65TFTO6W4hrPzS7W4oj6lkAF3qG1vUAr29oCIRgv8wXXeHzMIR5MxXfYu jMBe893olPUzLJL0i4FT6/XCaZxOI+L3mHELhvES1p7qwZU03ssBuDrrqqv/4J407j FFteIiGDO2SBOew9B/vaZRTOf9UNQ1FX9LgUYHpO//8hNBfJqTLAmkjThUQ78B+x7l iE4wU5m0y+/i9LqRuoE4dJbrGlJjCuC4ceR2n07z9uHeSpXEXwVNNe8gq9spDcQx1c qqHsklfgqP87Tw0mP1XgZn3ZupYvC0LS/FG+XRszX1uZ3+Lp/Ag1o/nov4TieOiJKz ACq07Cea/cdgA== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v3 21/23] KVM: s390: arm64: Implement SVE for arm guests Reply-To: sashiko-reviews@lists.linux.dev To: "Steffen Eiden" Cc: linux-s390@vger.kernel.org, "Heiko Carstens" , "Vasily Gorbik" , "Alexander Gordeev" , "Christian Borntraeger" In-Reply-To: <20261106-sysreg-v3-21-75e95980fb10@linux.ibm.com> References: <20261106-sysreg-v3-0-75e95980fb10@linux.ibm.com> <20261106-sysreg-v3-21-75e95980fb10@linux.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Fri, 06 Nov 2026 20:24:04 +0000 X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > Add support for Scalable Vector Extension (SVE) in ARM64 guests running > on s390 hardware, providing 128-bit vector operations backed by s390's > Vector Extension (VX). >=20 > The implementation is limited to 128-bit vectors (VQ=3D1) matching s390 VX > register width. Z registers reuse existing FP/SIMD register space (vregs), > while P registers and FFR are stored in the SAE block. >=20 > Co-developed-by: Friedrich Welter > Signed-off-by: Friedrich Welter > Co-developed-by: Andreas Grapentin > Signed-off-by: Andreas Grapentin > Signed-off-by: Steffen Eiden Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261106-sysreg-v3-= 0-75e95980fb10@linux.ibm.com?part=3D21