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([2602:ae:1598:4c01:7ac5:31cc:3997:3a16]) by smtp.gmail.com with ESMTPSA id b19-20020a639313000000b0051b0e564963sm1653141pge.49.2023.05.25.16.51.13 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 May 2023 16:51:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1685058674; x=1687650674; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:from:to:cc:subject:date:message-id:reply-to; bh=grxtGqzdDW3pij35DCIXzbwm/3Rbmj2aBugCYZSOGiE=; b=kFyu/NBMrE0qXF+yPkuk3RXNDVN1ecK5QimHPjG3DjuRssf0GEcIYFRJCYC8oCwtS2 RKKcxE0qmurOSLnNbDRgRPr83N7YiJKx4Zf2hxDNdr+ZpdIvRmvBYOqDIrVuZSexJkp5 cuuT+gRL9CakkG7ReMZjh4pBPr+JdobdLqkeH+hcswLBAvi2bcP5XHMOHjxMFITVKRQ1 3EjtFNpCvpif43iD/szDLTy6au0LWah9S6tM1yMbT81XsAaJeEK/hXpAQVhwEJ+rg77z dzZrH89PGaCcBV6PXN9HQc/XNZmUkjYdIklcpd+m+eFSkqO5PB6OlPu36SSzJ9viF7RT HXIg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685058674; x=1687650674; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=grxtGqzdDW3pij35DCIXzbwm/3Rbmj2aBugCYZSOGiE=; b=LMEHozOUxqum2L0hZhXUosJX8rmClri+L/zSjuafxYyoD7jmQ2bj5l5wwKqIBQDQ0I e64LxI//WOfPGH9NB5XyH4xwngnHK3mtblz5h40e0fiJ3U2sCuR8+HHSGIKmhKIw5JAJ b0gWGwPiza7k9S4q862z2m0bqkqK7MENclZ3gHq/ztYxnFrFOJ0Uv0rAThvQSSMPSSIA IWVRVn4ANvziXR9EQNhKXUEQsaRgtemh7nnDSBRmhla3jKvh/5WrfXpd5v32fwuazUD+ 7cgtnc+7zwGMIWnwSeuBQGGB75xGHWyxz7yNaGR/y0+p5CY28HxTgPfLNyp5OMuh9xry RKcg== X-Gm-Message-State: AC+VfDytLOQtzvI2lII1tBINgexHiQVjBVxxVRmd0Gdd9JHw4NA1j12m 4ZSRKuLijK8tQbNpMbFqsFa6SZSwSCCqFrqQiek= X-Google-Smtp-Source: ACHHUZ5slsW/RD9dPnDO/y+NKbhbPjqhuL4t0ZPzVRyQcp1imu0TlvXTqpXBC+D11TG238MqmqpVeg== X-Received: by 2002:a05:6a20:3d1c:b0:10f:bb1:ca50 with SMTP id y28-20020a056a203d1c00b0010f0bb1ca50mr5086601pzi.10.1685058673885; Thu, 25 May 2023 16:51:13 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH] accel/tcg: Fix check for page writeability in load_atomic16_or_exit Date: Thu, 25 May 2023 16:51:12 -0700 Message-Id: <20230525235112.1759488-1-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 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::52f; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52f.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, 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-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1685058736293100003 Content-Type: text/plain; charset="utf-8" PAGE_WRITE is current writability, as modified by TB protection; PAGE_WRITE_ORG is the original page writability. Fixes: cdfac37be0d ("accel/tcg: Honor atomicity of loads") Signed-off-by: Richard Henderson --- accel/tcg/ldst_atomicity.c.inc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/accel/tcg/ldst_atomicity.c.inc b/accel/tcg/ldst_atomicity.c.inc index 0f6b3f8ab6..57163f5ca2 100644 --- a/accel/tcg/ldst_atomicity.c.inc +++ b/accel/tcg/ldst_atomicity.c.inc @@ -191,7 +191,7 @@ static Int128 load_atomic16_or_exit(CPUArchState *env, = uintptr_t ra, void *pv) * another process, because the fallback start_exclusive solution * provides no protection across processes. */ - if (!page_check_range(h2g(p), 16, PAGE_WRITE)) { + if (!page_check_range(h2g(p), 16, PAGE_WRITE_ORG)) { return *p; } #endif --=20 2.34.1