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[209.51.188.17]) by mx.google.com with ESMTPS id k128si21131857yba.483.2021.02.02.06.38.45 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 02 Feb 2021 06:38:45 -0800 (PST) Received-SPF: pass (google.com: domain of qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=g5BNMHsE; spf=pass (google.com: domain of qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:60230 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l6wpI-0004uG-Vu for alex.bennee@linaro.org; Tue, 02 Feb 2021 09:38:45 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:44670) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l6wgT-0003D8-Ls for qemu-devel@nongnu.org; Tue, 02 Feb 2021 09:29:38 -0500 Received: from mail-ej1-x62c.google.com ([2a00:1450:4864:20::62c]:35019) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1l6wgM-0003y4-0G for qemu-devel@nongnu.org; Tue, 02 Feb 2021 09:29:33 -0500 Received: by mail-ej1-x62c.google.com with SMTP id a9so11890102ejr.2 for ; Tue, 02 Feb 2021 06:29:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=3sM1b9rglurvdDr6uApRFjz6YG7nhxkqX/wQy8bfVoA=; b=g5BNMHsEet4fWRMQyiPIelAaQclF0iFaqOEvYl8A5n73Es7XA1jlSCmGQuNGlPxZTk jLKIbnyTbJj37vWMlPyrlka9T5uXUDW7Tj705l+y/j7Im/oM5Ow7ObkmgEJ42oRRLelF Z3TIvMnUb6+J8MGqTb1r0sB7UXv/F5drH9tbiSGv8NkCXgYWcmUMboXo4qp5gVff25HP WhK4FHWd8XFOVFqIdQQiWQMNTlMWCAwOa3faNqLXfro7Rkd/kR7+md19kAtLyhIsSHSA ZmLN89tu0m/fQjrRZvq2YGYbm1yuoNT8idZeSMDiC35PcK85RPVWNjlEBu8LDIU4tlDi /2Iw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=3sM1b9rglurvdDr6uApRFjz6YG7nhxkqX/wQy8bfVoA=; b=GashR3AJUkmCZrCIJgNI/JZfpwRDJRYCWtTRkSN9RV3RrvhB1SbYLFAUO0aCt2NKM5 w84rVoZjkt9hzd93t0x7nywsWwvM7XroGqWj34LenK+9+MXkmYrPUPN7AR1H8841o/Vh ETMR5xNs+bqgws/Umo7S3TuDWmsqeAka9XU9ULv91Pd4t3fywTPLBm5cdSt9q3t5sUkk wuSmnwK9UvZDyUdLFcWYrWYlZex46zlW5w0iQlGwkIhFRXDrFSxqKhNgjD9PhKbgBXmH +wKSm7z5j1IwrLODAsJB56jcZG9RJNz4CRrzLIfhNW42gwy75zoNb2/oi9EmHsvN/tnI SJuA== X-Gm-Message-State: AOAM530Qs0AUa+0THfEg4Pb9Lt9vIKNWnAzKfcvacJlfRg2Q16TMxR3w ftiC3llYM6Gn9a1axl4VJVAkWkxG6kT5pHIdO76OlA== X-Received: by 2002:a17:906:494c:: with SMTP id f12mr22915345ejt.56.1612276167342; Tue, 02 Feb 2021 06:29:27 -0800 (PST) MIME-Version: 1.0 References: <20210128224141.638790-1-richard.henderson@linaro.org> <20210128224141.638790-2-richard.henderson@linaro.org> In-Reply-To: <20210128224141.638790-2-richard.henderson@linaro.org> From: Peter Maydell Date: Tue, 2 Feb 2021 14:29:16 +0000 Message-ID: Subject: Re: [PATCH v4 01/23] tcg: Introduce target-specific page data for user-only To: Richard Henderson Content-Type: text/plain; charset="UTF-8" Received-SPF: pass client-ip=2a00:1450:4864:20::62c; envelope-from=peter.maydell@linaro.org; helo=mail-ej1-x62c.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=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-arm , QEMU Developers Errors-To: qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org Sender: "Qemu-devel" X-TUID: tkg0liaYZ4+T On Thu, 28 Jan 2021 at 22:41, Richard Henderson wrote: > > This data can be allocated by page_alloc_target_data() and > released by page_set_flags(start, end, prot | PAGE_RESET). > > This data will be used to hold tag memory for AArch64 MTE. > > Signed-off-by: Richard Henderson > --- > v3: Add doc comments; tweak alloc so that the !PAGE_VALID case is clear. > --- > include/exec/cpu-all.h | 42 +++++++++++++++++++++++++++++++++------ > accel/tcg/translate-all.c | 28 ++++++++++++++++++++++++++ > linux-user/mmap.c | 4 +++- > linux-user/syscall.c | 4 ++-- > 4 files changed, 69 insertions(+), 9 deletions(-) I reviewed this (and some of the other patches) in v3, but you didn't pick up the tags :-( Here it is again: Reviewed-by: Peter Maydell thanks -- PMM