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 736ACD1CDC6 for ; Tue, 9 Dec 2025 07:04:41 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vSrlq-0003w3-KW; Tue, 09 Dec 2025 02:04:26 -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 1vSrlp-0003vl-Cj for qemu-devel@nongnu.org; Tue, 09 Dec 2025 02:04:25 -0500 Received: from mail-wm1-x32e.google.com ([2a00:1450:4864:20::32e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1vSrln-00085M-LU for qemu-devel@nongnu.org; Tue, 09 Dec 2025 02:04:25 -0500 Received: by mail-wm1-x32e.google.com with SMTP id 5b1f17b1804b1-4779ce2a624so66543235e9.2 for ; Mon, 08 Dec 2025 23:04:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1765263858; x=1765868658; darn=nongnu.org; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=NlEcoy5+5oc6M380clZhLFLgHuuIPuJq9Y784u5sO88=; b=WHbuZ6oW9Eq5DXadkMrsTfCV4obFlBgdkxmCf8uQ8iIVMRNev/zquBGnpnXaWvMjt5 wqhwu0OxdA3JiC34dGVli6IGvXL+J7ai+yiX20MtuiAf4fcTkitzn71Mwod0rEfLcCHI GyjivUzpDRwf9IyMzPqJp7D++0eL1iEFjzASgWAIE13XS+RuGYYUU+c0R4xvVJ21uAtc P2h9o/PK4WKLBgvBNE/ihWFPwFWtyMXXCGUjJf3Doh9YnMsuL2IHORkvXdaKJNvrZMdd iaJpl7eD8zgRWDHdizaMhlFGVZhpts5DCFEje08Q2TTBWAXk4ULrLxceA9uhCGmvKBlH SsWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1765263858; x=1765868658; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=NlEcoy5+5oc6M380clZhLFLgHuuIPuJq9Y784u5sO88=; b=Qedbxnhcb2RCReqJeRVAUuypc6gCCI/zFzZmG1vA4A8NlzqtvA9zaQNmyjbY6f/+wj y1IqTZEHCWiG4J5ICmaJf6cPxjcTUr10iZ6isCYvl6LK/qF5W/37HFLdddtpvHGnCcbp Y7TTRFxZp903sjwlaGAYGAZqfT+1sZsmcRowjfpEWxqOT9j+ChvHSQtrg1KwqvPV6p76 KY+PttWo+suMumoG1HftZmSMGllZ3lJr71JSkdD+A7FHXFfSQ9+lGXkSmtxDIqVdAkep BnU6aBgAX8rSLi0ohUVdZRnojruUbdHvtTtna1NEvHvoFLiH8d8X+SwWLByQlBbCZq/7 rrwA== X-Forwarded-Encrypted: i=1; AJvYcCUr0w4BzfixNtRtEuJC+IcGHrHLNGpM/Ma7DEs+oX1AKzEeOBsaUQ8xzNqVnunI0TYjOHDzQsPgOTr9@nongnu.org X-Gm-Message-State: AOJu0YxFHkpimFxhcwo07LZiMdSvvhiY7mqp4aN4F9Y2KZ+kt44t8/zT FkBTjZHovXB9I7OAdLcJD9wijci0LBE5J7MEHWKvGWc1DTgRDDw0C/gdvud5FMrp2ws= X-Gm-Gg: ASbGncvF8YEDPnv0yKJlh/DWMWQB8L6PJEYoyNIJJhyg030zOzIv0sl3ZVhpjreOA6K c/ATPv+N5tsIgCDwDLWiKpucLQ3+pSNWQfrWwUKGCXJjrEqakpD8UHNhDRPpDFoVx/1DBPZTp4+ IMyTabyMFvpd3Vsr84JU56NniK4CSt352Jd7NwlRucgy4F1p4OubUPpsJCeZhblqctFgLIkeuFe Rol0Qb7sKjCWZJ5o6n8oTDbx3/TZaKlZaQ7aOYVqU2GHl3gyh8CA024Tl9Gqr0n6jo4Xukw5oHw AyQ95jB3J1xo0hA/ned7OPxaqHUL/XJpA8uCUrWyMN7nEOCMOAXO2R9Q/Nbj3wR/sZZg6W5G0iA 3R+NW3gXe0tk9j5W0cNI64gpKOf+dCBdrnKpjL+yrLILePFiAvTh1QadscFmyUuXuZvj3ZoPZYw eigKVMSlU30ORkEHAHwWsevtHu+Cjp5WpqAX25VbWy/v3jGDBbiDgbXQ== X-Google-Smtp-Source: AGHT+IGgHKIRaFgA3uLnqdatnFReEJg64vFXOTEyGRoLMdYgwFxOvEvX3N2ncAdjYCbtKidjzUBPbA== X-Received: by 2002:a05:6000:2dc2:b0:42b:36f4:cd24 with SMTP id ffacd0b85a97d-42f89f0bf85mr10662388f8f.24.1765263858163; Mon, 08 Dec 2025 23:04:18 -0800 (PST) Received: from [192.168.69.213] (88-187-86-199.subs.proxad.net. [88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-42f7d3319ccsm29287964f8f.34.2025.12.08.23.04.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 08 Dec 2025 23:04:17 -0800 (PST) Message-ID: <74e2fe5b-3b62-4032-a11b-74a5b13bccc9@linaro.org> Date: Tue, 9 Dec 2025 08:04:16 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/2] target/arm: ensure PSCI register updates are flushed Content-Language: en-US To: =?UTF-8?Q?Alex_Benn=C3=A9e?= , qemu-devel@nongnu.org Cc: Mads Ynddal , Peter Maydell , qemu-arm@nongnu.org, Alexander Graf References: <20251205151115.2035930-1-alex.bennee@linaro.org> <20251205151115.2035930-3-alex.bennee@linaro.org> From: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= In-Reply-To: <20251205151115.2035930-3-alex.bennee@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::32e; envelope-from=philmd@linaro.org; helo=mail-wm1-x32e.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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 5/12/25 16:11, Alex Bennée wrote: > When we handle a host call we report state back to the caller via > registers. Set vcpu_dirty to indicate QEMU is currently the reference > and hoist the flush_cpu_state() and make the call unconditional. > > Fixes: https://gitlab.com/qemu-project/qemu/-/issues/3228 > Signed-off-by: Alex Bennée > --- > target/arm/hvf/hvf.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) Reviewed-by: Philippe Mathieu-Daudé