From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 891FBD61018 for ; Thu, 29 Jan 2026 14:26:31 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vlSy8-0006YQ-1W; Thu, 29 Jan 2026 09:26:00 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vlSy6-0006XM-TV for qemu-arm@nongnu.org; Thu, 29 Jan 2026 09:25:58 -0500 Received: from mail-wm1-x344.google.com ([2a00:1450:4864:20::344]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1vlSy2-0000aW-Pn for qemu-arm@nongnu.org; Thu, 29 Jan 2026 09:25:57 -0500 Received: by mail-wm1-x344.google.com with SMTP id 5b1f17b1804b1-47d6a1f08bbso4911315e9.2 for ; Thu, 29 Jan 2026 06:25:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1769696753; x=1770301553; darn=nongnu.org; h=content-transfer-encoding:mime-version:message-id:date:user-agent :references:in-reply-to:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=n7jnQfCSnSYMjfClHlZhNPaVnBLTtEV2GmdtaRmWt6Q=; b=PzlGefxZg/D1q4hAZyuz4qntyuYkbp+2Uxt5wjKGiWzeP6O4PS6VIV9GrSYPaCbFqO u8AJN/CURJfLg4kubSKt/BLhDYHT87L5aVm81x+sYU4kREohm6TpcWyth1xS0LE2CUSw Nq0dMhorrPuDdTQ8FSnVDPgcJRepMfhFmmdSlS2nBX9kzEwgczpFU1NB0xBgH6XiK56E W9dNdzHC25n28sR6Lpbx26v8HhYbj2FkQFNBKIt1F0xxA7y1ANQVL08atWHFBETy33An 3h869SMkxp3YvAnBQMQR6ClPCozb6DlVBjiGYQ8IGfD19iS6eMm/fZE/drffww4mrx41 FcWg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769696753; x=1770301553; h=content-transfer-encoding:mime-version:message-id:date:user-agent :references:in-reply-to:subject:cc:to:from:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=n7jnQfCSnSYMjfClHlZhNPaVnBLTtEV2GmdtaRmWt6Q=; b=PjPGjssBxl1AZwI8qeArHKlM3ZbdhVhVWMdeUEmt3+MJb409K8EtzNoU2LTj4ZNrUC UTPbhxguGtbHPPkltr6leDmvViWvSEpFXOQ5UK5m6tXgRn+S9SiOWlRWdZfSeorDKtSl MXEj9TjDcyurD6Ve4EUDHwMZudFqRL/Bso/BBVuW5hVEv1c8H/K5nPNKrUP64xeCiiAt ToLy6R5kx3xTzZ+xXLmReu5ZNzKUTTI5nTlVG1DThIFXskULznOOXz2YqwOUiQb8E7VV IdvFBxeLSwmXDx0argY8BHypGUS0lO0wykmpWA3W40WgeZmOTLd1U4dOEIFOy/U27vk6 qz5A== X-Gm-Message-State: AOJu0YzkqE3CxuT8BLlKwyTGmwkIEaCZQVQFDuJcA0szEgUTiFI5StAQ 4OfhlfNGo7nE3nWoI6mdr/3CVeu18x0dD9knKOjOWrlTujh6G9N88qYv/vhZyGV3Nj4= X-Gm-Gg: AZuq6aJq0A4a00WDnK5xRT1vbBEILR9pM12pG/qv17OHdS8k83aa54mJ7brYXdFW2jA h+sxXgWeTR6QJ49kEasNZXIwx6s4vOw9uEAkjv+rM4dhY46E0JUKvtFsTCqOS0IQg5gHuAiY4fT bxt5/Td7shDJHA+23bATQeZn4r6v2I32Qym1mZ5fxvPkfydV9aafC/ARAcLV+fzzxhKUi77jWhP D7Kb7SE2OIR9XCTddWB8QiVCT7C33ZOsSGPghaFojeppwmU8SIBDe0KDYYxEP9bsA/xx5gOYAew LObGpexxNFrRwwYt63X7vfJdHwCoygZ+I0i13CKW2A8ej78eAJNSKqbrbBfpL2YzyRM1ggUhSwZ bY+8YZwMZZqjgvPrcgZJ8meZ1uz35sn4bqdWUsHKqLBbYds/gEIKZgBzdVJ/KSY5mRgqugeTksq kCM2xBpdVTyAgXNY9KqRX6ew== X-Received: by 2002:a05:600c:4689:b0:475:dd9a:f791 with SMTP id 5b1f17b1804b1-48069c98051mr92622895e9.28.1769696752765; Thu, 29 Jan 2026 06:25:52 -0800 (PST) Received: from draig.lan ([185.124.0.126]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-481a5d55d3asm3669015e9.6.2026.01.29.06.25.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Jan 2026 06:25:51 -0800 (PST) Received: from draig (localhost [IPv6:::1]) by draig.lan (Postfix) with ESMTP id CC5545F878; Thu, 29 Jan 2026 14:25:50 +0000 (GMT) From: =?utf-8?Q?Alex_Benn=C3=A9e?= To: Peter Maydell Cc: qemu-arm@nongnu.org, qemu-devel@nongnu.org, Richard Henderson , Manos Pitsidianakis Subject: Re: [PATCH v2 1/6] target/arm: Account for SME in aarch64_sve_narrow_vq() assertion In-Reply-To: <20260129113455.1283266-2-peter.maydell@linaro.org> (Peter Maydell's message of "Thu, 29 Jan 2026 11:34:50 +0000") References: <20260129113455.1283266-1-peter.maydell@linaro.org> <20260129113455.1283266-2-peter.maydell@linaro.org> User-Agent: mu4e 1.14.0-pre1; emacs 30.1 Date: Thu, 29 Jan 2026 14:25:50 +0000 Message-ID: <87tsw48pht.fsf@draig.linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::344; envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x344.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-arm@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-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Sender: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Peter Maydell writes: > In aarch64_sve_narrow_vq() we assert that the new VQ is within > the maximum supported range for the CPU. We forgot to update > this to account for SME, which might have a different maximum. > > Update the assert to permit any VQ which is valid for either > SVE or SME. > > Cc: qemu-stable@nongnu.org > Signed-off-by: Peter Maydell Reviewed-by: Alex Benn=C3=A9e --=20 Alex Benn=C3=A9e Virtualisation Tech Lead @ Linaro