From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yw1-f177.google.com (mail-yw1-f177.google.com [209.85.128.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1EBD228E09 for ; Mon, 19 Feb 2024 11:27:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.177 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708342034; cv=none; b=OvKGe4iSaWFWb7zXC5MhEYef+8plgj5bqJDM1NSm0l/08y50PAyQFhceUCp3CC5xh9wyZxLg4Tg+6Qu0FEV1lNSHx6f2iEaR+040tL1c/9leaxRmNV2U6acfC5g6G1nWHtFoS4lVyNwnSZwc7NdGnQpt3zDu0r3C09EqKt+v+V0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708342034; c=relaxed/simple; bh=psRznd+qwD4id3H3mkwUZ3NR28Q098n95rwBPacKDxA=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=XpmiffwOb+1GivF492IhLlBNdF37T0nTns6IFtHd7h/9lxQGqiSNCvjfCZ8fBbGVrTiRSjt5KPDiilwjJnMnhLMc5qV8+nfBIoDM7fVlB5UdnVui4kFa8bQS22xgGkjG78LqbcPsCdHsHYCDIn3f23hg+8Riuz+8V04i5bq7Qpk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=RuamGSQI; arc=none smtp.client-ip=209.85.128.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="RuamGSQI" Received: by mail-yw1-f177.google.com with SMTP id 00721157ae682-607d8506099so39355317b3.0 for ; Mon, 19 Feb 2024 03:27:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1708342032; x=1708946832; darn=vger.kernel.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=psRznd+qwD4id3H3mkwUZ3NR28Q098n95rwBPacKDxA=; b=RuamGSQI7GqoCVLg/q2m0RK5mjcT9ldwLOSlPBkOZmSiO6fpNRGZezZMkv1uy7WBG2 29jRTSvJTJ2NoIhosCrDluQHbA00nI2PO4tiArv6RvWxtqG2TsxwpZKzTwoLvHBnaGTD 7ubvmG2DvHE2M3fjbnGHs0PviFpi7in5ItKRaaM0i8bu417AqOBBjh5CpYJQSzzUm/95 vF72EKwk+3JQacpP7nhNcd+gy1ZcxSn5zYE4ER2AwDNhEcSFy2ZTLcBC9ACdxoaSLT61 He4rWpVpjOjj3/QDGagbFEqudRwwqRjrrG7hbGMO+8FrX8AaXA6MUJmQPGrOzcF1oWMt 1IHA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708342032; x=1708946832; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=psRznd+qwD4id3H3mkwUZ3NR28Q098n95rwBPacKDxA=; b=gvBHxJcabWd/QCc0S2IZx2KsQcEuutkRzMe4189hpOcS2wfmwexxYahG+Cf1k+NP93 ts73st6+CKS00gF6gwrxDCvXCt54nLl18ZLujF5KwEKdrF2XJDe9WT1HYwQP4ANaKAdR fM75QV9cwhE12gWwny1S6nGePQCS4jS4nRR9gYrKPsa8mmnsvq1/NvPSU1u6Qk/OckOA HOVuRAUPHz+McUV3isKND6GecG2J9jcJ9uq21dJ6WnbhP5rflwG061BY8NUYHDLigaRI BW7Rw5EjWZNWDCG++6lPc81fq6w7quqdEqheHCKf2Sq8HK6zB3PCu8d7YkGuoOwBAkAx lYpg== X-Forwarded-Encrypted: i=1; AJvYcCVYaiUptyGXjwOZkQwnGQOkp21q6RGnk7oS9Ma1cPHNHYBTkbUVSUI2Mza4FsHLBFtH6Popbs/TAQf4LImF/VENhd8ftza+9V9i/5wd X-Gm-Message-State: AOJu0YzE5XsvQwBGl+aExPYwQ31kW/GlvUD99fDozRxFD1xqe542zcXC HrIenLNXP1KU2xEOujS88uWSeWypO9yLDkkg4h/Lhh/T9NIqbq1CFXoDLXMzdmMpUHVJhOAE0br 2sOVFJ678XjjH4svqEl1Jy/nPnEWqDE2JYjg4 X-Google-Smtp-Source: AGHT+IGYQ7Ft8/k+yh/fauCEDuGdjwHYmI6RFXGJtA15ZTj7Vn8HJ0Oql8n7gZRk8bvuYJStcRQFfFcSWNN8TG2iA8c= X-Received: by 2002:a0d:cb89:0:b0:607:c93f:2c2a with SMTP id n131-20020a0dcb89000000b00607c93f2c2amr11818399ywd.46.1708342032049; Mon, 19 Feb 2024 03:27:12 -0800 (PST) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20240208152808.3712149-1-howardyen@google.com> <20240213055426.GA22451@lst.de> In-Reply-To: <20240213055426.GA22451@lst.de> From: Howard Yen Date: Mon, 19 Feb 2024 19:27:01 +0800 Message-ID: Subject: Re: [PATCH v3] dma-coherent: add support for multi coherent rmems per dev To: Christoph Hellwig Cc: m.szyprowski@samsung.com, robin.murphy@arm.com, gregkh@linuxfoundation.org, andriy.shevchenko@linux.intel.com, rafael@kernel.org, broonie@kernel.org, james@equiv.tech, james.clark@arm.com, masahiroy@kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux.dev Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, Feb 13, 2024 at 1:54=E2=80=AFPM Christoph Hellwig wrot= e: > > On Thu, Feb 08, 2024 at 03:28:05PM +0000, Howard Yen wrote: > > Add support for multiple coherent rmems per device. > > Why? Resend the message because the previous one contained some HTML. I tried to upload the patch to support multiple coherent rmems per device because in some system, the primary memory space for the device might be limited, so that add multiple coherent rmems support per device to satis= fy the scenario. --=20 Regards, Howard