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 E944CCFD313 for ; Mon, 24 Nov 2025 17:04:11 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vNZxf-0004DC-Us; Mon, 24 Nov 2025 12:02:47 -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 1vNZw5-0003P8-S5 for qemu-devel@nongnu.org; Mon, 24 Nov 2025 12:01:11 -0500 Received: from mail-yx1-xb135.google.com ([2607:f8b0:4864:20::b135]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1vNZw2-0002fr-J8 for qemu-devel@nongnu.org; Mon, 24 Nov 2025 12:01:08 -0500 Received: by mail-yx1-xb135.google.com with SMTP id 956f58d0204a3-640f2c9cc72so3422979d50.3 for ; Mon, 24 Nov 2025 09:01:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1764003665; x=1764608465; darn=nongnu.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=jDye0m6Qzw37hhJGLyIViZrhdQfvJhhiOUM2fe+/k4o=; b=uTnd5QMzQDvWmyBsedgtHYbAGYkN/e61qMPFiIhR+VnBldyyCFzoFayMRX8IGPYbZq lbAZXe9n42kkuZFpPLb74LzCoMmXPrH/nZerKz8QRYbHcEwEV8xgxg15vZPGhBTgn3LX dYHi6xdGFALFN2Azd1/nHoMivWUCciVhXca2upibAwRkjYWEHTIKJGH4uVSo9S77yg6d wv6qZRmiF1sTby2ujZDewidBA4Ous8e5WB6g6yOIGoEeCF1sjTXevEmzT61UrFfWfJ/F TBlZfaWBiVAQt8Tc0Zm+Z58KX/eslVW7Z+reuCjcufkfJfCT4n2pZpB7TDp6m4o83w0k PZ7A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1764003665; x=1764608465; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=jDye0m6Qzw37hhJGLyIViZrhdQfvJhhiOUM2fe+/k4o=; b=op51bNUJFDl359/gK1oqzllVLwTDr17OP5eHmH+a2FJcQ9tBLu9Cffw9vmne4oedww q3FmiAD8sH0/5t1urq+ylSitM8SW+amm7z5AcBCCwW/Dpvd6664wGhl7jX0qQCdgQvyJ DDbnewLpun8gyFKY1vq5c+fWCGQv6Hdu3dkybB7PvjGb9g9bU+janUwzHsjkV9aNJtYg DVgaQhnJZN4oAJ0pPBv4pVFpF5t9CD552Y1Ca76mssYGhFVDLIi0UgEtRbpFJ0F1lF9M IWZTBDMQX2OVxP/DTL7wperu/pJTC1XO+RckUC4BS6la2nwrPitiXP4rFjbjG6WSjYVW 80nQ== X-Forwarded-Encrypted: i=1; AJvYcCUlX5im0P7Fc8OfUnytEE3Kq7ctjscBreo9GL9wn6VJkeTtv0XmeFPslPQ4/pYjBs1fEZnOgcZ6Pti+@nongnu.org X-Gm-Message-State: AOJu0YzKeyWM/GKI7j7I+UHpep/CfV4ML1mvejk8bGExnJ6rYg4gz8SB rqkjXOVYA4Snd3/t+N8aEoD9GarjqmW1+XVd5Z6pH4oG+ocixtM9YNXvUQIXxn6ctlNcG0nDRP+ zKBYBDMp0WAYXisjBxV6K3x04jwIWb5ZVsvuYga/ttQ== X-Gm-Gg: ASbGncvKhv3zhkEO9J0MV14Jj0ZPp04CAWa9Xfa80/8XYO4QlWIJEkFgHzMhnR50VwO BbLGqxMLMuekeHjH4ZhzajUml7TMZHwtih7I4xr3hWyUCzJ6iE5qNIKTKJwKY2+Cgsq7phoTDbH BdrucGBdhFWXfl2qQuRLVCxghhOwWe/yTyGA9N/NYoWO4nQ27eqr1mQMRjL3BrNeI4U5XYLDYYv L1VL7Z2sgC2AItROP9Mp6d1FmwVZO7lWk+AZepumakqbMN1QSTJblulyhAzm5VVC4PXz8+h X-Google-Smtp-Source: AGHT+IGM0x3utzQ0vrlbkMXn+5/5YAtoOpt2Im3kzH3pFHr1BKoSulD4sr5Hoi5Li8X0kTFnwWQqQs7yyFJJxsb80VA= X-Received: by 2002:a05:690c:dc6:b0:786:62bb:f6f5 with SMTP id 00721157ae682-78a8b496cadmr204303437b3.17.1764003663411; Mon, 24 Nov 2025 09:01:03 -0800 (PST) MIME-Version: 1.0 References: <20251119134414.2892640-1-cohuck@redhat.com> In-Reply-To: <20251119134414.2892640-1-cohuck@redhat.com> From: Peter Maydell Date: Mon, 24 Nov 2025 17:00:52 +0000 X-Gm-Features: AWmQ_bnWyvrMLAhUYFB-wo_YaV_sm7RBdPDudiG3K687B1RuzP_ckKApIYFUNaA Message-ID: Subject: Re: [PATCH for-11.0] arm: add DCZID_EL0 to idregs array To: Cornelia Huck Cc: qemu-arm@nongnu.org, qemu-devel@nongnu.org, Eric Auger Content-Type: text/plain; charset="UTF-8" Received-SPF: pass client-ip=2607:f8b0:4864:20::b135; envelope-from=peter.maydell@linaro.org; helo=mail-yx1-xb135.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 Wed, 19 Nov 2025 at 13:44, Cornelia Huck wrote: > > This requires a bit of care, since we still have to handle the EL > specific part (DCZID_EL0.DZP). Callers can set/access dcz_blocksize > via a wrapper working on DCZID_EL.BS. > > KVM currently does not support DCZID_EL0 via ONE_REG, and actually > does not need to work with it, so provide a dummy value for now. That seems like an odd (unintended?) omission -- is it worth adding? (We would need to handle older kernels that don't expose it anyway, of course.) thanks -- PMM