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([212.241.182.8]) by smtp.gmail.com with ESMTPSA id l11-20020adfe58b000000b002f22c44e974sm3319045wrm.102.2023.05.05.13.40.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 May 2023 13:40:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1683319250; x=1685911250; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=04PDWTiVcol9O/kAEE+WF1yegdYTPx6n2A8yUSecuKY=; b=puh/aw1vxxq2Y5ju1L4CcN4BL28vJw6P5h97TSUfSjUQmptCajxGFN8iMVFckAoZUU FGP4cSRT1Ch6RDO3TbNg2cYZK67tSI8ueNUCpc6hinU3X0wNuFLA4VXHUzW42UGFgebm c9Eev8Xo2RLH7jCiASxb7+NyBm5w1J2aw7mNH7F2DNLgIqGNJ2GZAagmZqAPhuIPyZSC XtZpmrFGXVfH5OqFJ+8omMzFDoa4Flhnoo+rf7W1ZcmvX0WgLTqXm5V6doEKXELmnCZH 70t9S/FClNPCjPVtM3pwl7VAfm3BFFYWDkx/zymZa/YasvO7sP4JleX5TE0D++ISEf4W bgPw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683319250; x=1685911250; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=04PDWTiVcol9O/kAEE+WF1yegdYTPx6n2A8yUSecuKY=; b=H3FzewR+lS1hnkI+wBIULbyv1+BHaO76HLCMKMHRSxSTPSnHfX6F3xqqDNaDIaqNnz PehK3sRxKqon8HihZTIaNyokK8Ed71F/PFjREp3zGhNJfT+dBbncLvAMIZMoEK3XHIei MLRqoFH9mR4UAI5G818/nRSZ4wurhhKMTu3t7RZ0rzs7qnLJaPcjePw0hO2xon6XUFou nFJrvy8KYP8jvwxCMSDr+FBblSy/LLxC7FM8Gre/A6Np19IbF8VbEYV7GsoVWqppo2+g 4OTJ+Hf5cs7iqbXIuTcOQwJM9U50PWsqJPiOt8ZMNf5bBSomSvTfC1xVLjfF7iuvUHDe dbhA== X-Gm-Message-State: AC+VfDwrKVkmbMkvSiW3D6dbzeUvAUdLsP6LfwZOKES4nA3W/J3oOvjs wFebvkGJe7sLeO1NLKHloIq/74AZNUBCQwXxNjJjmQ== X-Google-Smtp-Source: ACHHUZ5hf97T6sz/9DHjvgu3esUf8tUU2HWJgMAQ8CuMq+UVpHqgD57+H7FenJWmLl6ofCV4qvNCcQ== X-Received: by 2002:a05:6000:48:b0:307:7c2d:dc79 with SMTP id k8-20020a056000004800b003077c2ddc79mr2185611wrx.16.1683319250603; Fri, 05 May 2023 13:40:50 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: Peter Maydell Subject: [PATCH] accel/tcg: Fix atomic_mmu_lookup for reads Date: Fri, 5 May 2023 21:40:49 +0100 Message-Id: <20230505204049.352469-1-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=2a00:1450:4864:20::42a; envelope-from=richard.henderson@linaro.org; helo=mail-wr1-x42a.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: 1683319314033100003 Content-Type: text/plain; charset="utf-8" A copy-paste bug had us looking at the victim cache for writes. Reported-by: Peter Maydell Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- To be inserted before patch 3 in=20 https://lore.kernel.org/qemu-devel/45cba357-ba20-399a-27e6-5e99741179d0@lin= aro.org/T/#m5dc55cf04d564f4a8f97bc95e7f0e427c24a4f0b r~ --- accel/tcg/cputlb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c index 3117886af1..0b8a5f93d2 100644 --- a/accel/tcg/cputlb.c +++ b/accel/tcg/cputlb.c @@ -1835,7 +1835,7 @@ static void *atomic_mmu_lookup(CPUArchState *env, tar= get_ulong addr, } else /* if (prot & PAGE_READ) */ { tlb_addr =3D tlbe->addr_read; if (!tlb_hit(tlb_addr, addr)) { - if (!VICTIM_TLB_HIT(addr_write, addr)) { + if (!VICTIM_TLB_HIT(addr_read, addr)) { tlb_fill(env_cpu(env), addr, size, MMU_DATA_LOAD, mmu_idx, retaddr); index =3D tlb_index(env, mmu_idx, addr); --=20 2.34.1