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[34.90.227.64]) by smtp.gmail.com with ESMTPSA id r18-20020a1709061bb200b0077d37a5d401sm7115248ejg.33.2022.11.16.09.06.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Nov 2022 09:06:48 -0800 (PST) Date: Wed, 16 Nov 2022 17:06:44 +0000 From: Quentin Perret To: Marc Zyngier , James Morse , Alexandru Elisei , Suzuki K Poulose , Oliver Upton , Catalin Marinas , Will Deacon , Sudeep Holla , Andrew Walbran Subject: Re: [PATCH 12/12] ANDROID: KVM: arm64: pkvm: Add support for fragmented FF-A descriptors Message-ID: References: <20221116170335.2341003-1-qperret@google.com> <20221116170335.2341003-13-qperret@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20221116170335.2341003-13-qperret@google.com> Cc: kvmarm@lists.linux.dev, kernel-team@android.com, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On Wednesday 16 Nov 2022 at 17:03:35 (+0000), Quentin Perret wrote: > FF-A memory descriptors may need to be sent in fragments when they don't > fit in the mailboxes. Doing so involves using the FRAG_TX and FRAG_RX > primitives defined in the FF-A protocol. > > Add support in the pKVM FF-A relayer for fragmented descriptors by > monitoring outgoing FRAG_TX transactions and by buffering large > descriptors on the reclaim path. And it seems that I have forgotten to remove the ANDROID: tag from this patch prior to posting ... Please ignore, it'll be gone in v2. Cheers, Quentin _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f45.google.com (mail-ej1-f45.google.com [209.85.218.45]) (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 00C7BD504 for ; Wed, 16 Nov 2022 17:06:50 +0000 (UTC) Received: by mail-ej1-f45.google.com with SMTP id ud5so45714835ejc.4 for ; Wed, 16 Nov 2022 09:06:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=ntvWgXmyJ+ykqZ+C7I8wJwNPUjVuwRNNvjO3LgHYeZQ=; b=ijm23BXVpC91ubga8PZXme39BcIbxyQVTExxRKXLSvZDwSo1X0uMeKsr7Af4VNMN5F 3NheMhsqE43RygVDM/jqGXonihzTc9MNVlqK3YiBbqPGVwkBhqeJxKrh3IDLPdbivdbI 5UF69y2Xsi16bX6JXRDlIbeGzG+NFKuoa1rTjK5uI3yc98PJ8r/C7knt4fsZiZaPbBEu C+nUdfI+n3I89DEqDmtzg89PBhJJuF2Dzei+N7FTHK2b76i7PNqem+0Dv9w4cD2XuUjs tPnFZNspYuymVCs3upZV9M8kNEsHnbByVfWFQGI1a07rLlebliWtUZeAmqqUJl7ny9QT lKgA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=ntvWgXmyJ+ykqZ+C7I8wJwNPUjVuwRNNvjO3LgHYeZQ=; b=Om5IpwLJAkI/Q7wjgdSl+hX5mGSoP8HC7MUV/HNY7yD7jRa/wnoRFKudR5cWwsW5xH MBMLP7QTPuV780qgOI70D2XC/a4GtFiK+URpAafxcAQuxOx/P5br5cwy7hEpP7InQWGY xiylnUwtds32FdqZNA4oCSMXe6D1E/PrOWRxuugo35meyVZKleezWUKHZLpnFwEc/e75 C7Tgt32zIABoqFxjGt9wxbona2BWDmY+hEc511/oz2XRbdpQov/a+PvLSyjIqITnnuiX TzIYZjyoIWre2PU+mzWZy6n2pjMXLrtCEst5CmClDc4WB40+XhdVKPyVNyRMbtgUkqnB FmzQ== X-Gm-Message-State: ANoB5pncITKI2ffSNemCHb7B4T35pkhpm6pNen/M4QO5+vZbYMkXYY/R oOc1H7u5SibRO5ZvKthAKOyJHA== X-Google-Smtp-Source: AA0mqf7OUgDhaAkgf87o1aEoAM3GV5pr2cWK1jkNVYywr1xdXN9du8Ug6c89/kiZd1oJFyyfqrOXQw== X-Received: by 2002:a17:906:a2d4:b0:7ac:db70:2f90 with SMTP id by20-20020a170906a2d400b007acdb702f90mr18116893ejb.297.1668618409178; Wed, 16 Nov 2022 09:06:49 -0800 (PST) Received: from google.com (64.227.90.34.bc.googleusercontent.com. [34.90.227.64]) by smtp.gmail.com with ESMTPSA id r18-20020a1709061bb200b0077d37a5d401sm7115248ejg.33.2022.11.16.09.06.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Nov 2022 09:06:48 -0800 (PST) Date: Wed, 16 Nov 2022 17:06:44 +0000 From: Quentin Perret To: Marc Zyngier , James Morse , Alexandru Elisei , Suzuki K Poulose , Oliver Upton , Catalin Marinas , Will Deacon , Sudeep Holla , Andrew Walbran Cc: linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org, kernel-team@android.com Subject: Re: [PATCH 12/12] ANDROID: KVM: arm64: pkvm: Add support for fragmented FF-A descriptors Message-ID: References: <20221116170335.2341003-1-qperret@google.com> <20221116170335.2341003-13-qperret@google.com> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221116170335.2341003-13-qperret@google.com> Message-ID: <20221116170644.CyHz-F8m1SQ1-BLpbuX7C6hAVeAIvo5pb3Ce5j1N5OU@z> On Wednesday 16 Nov 2022 at 17:03:35 (+0000), Quentin Perret wrote: > FF-A memory descriptors may need to be sent in fragments when they don't > fit in the mailboxes. Doing so involves using the FRAG_TX and FRAG_RX > primitives defined in the FF-A protocol. > > Add support in the pKVM FF-A relayer for fragmented descriptors by > monitoring outgoing FRAG_TX transactions and by buffering large > descriptors on the reclaim path. And it seems that I have forgotten to remove the ANDROID: tag from this patch prior to posting ... Please ignore, it'll be gone in v2. Cheers, Quentin 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 488A6C4332F for ; Wed, 16 Nov 2022 17:09:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=i9Z+27A6A1ch0Pl7DR0AtusmK7VgVvqapWeIQMTUDfY=; b=zGEbCiYBM5HCUQ UgR6dFfTlr6wmz0nJACbG+oBnb/mSyS0cwqiGan9de6QNHcUvNl73DMD2b58SzyWByUrv+x6L4eOT u1Bb/xrsyhC9UBkZqA15ItPQtROfLAoZFew9n9UnG6PF6Nc9FhIVzNw/whqCEJhJ5Ld6gkSKKjVdD yHse0I/32al0Lp0KqFHrdZ9YxQWC3BmOAFSqajZD/mnkIlTTQBjpCueAr/8GfKxmLv3xIo4s9xZgb o/3XlQamC7ypLDqI3JRzvDZdGWeHOm86SbGkNB/dZZht8D4GEzZ7vJ4ItDXPIBuIhm4HY47RNBvMM Mk/yWRGl2B9uF1nKXfKQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ovLtr-006HaV-US; Wed, 16 Nov 2022 17:08:36 +0000 Received: from mail-ej1-x62d.google.com ([2a00:1450:4864:20::62d]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ovLsH-006GBW-8g for linux-arm-kernel@lists.infradead.org; Wed, 16 Nov 2022 17:06:58 +0000 Received: by mail-ej1-x62d.google.com with SMTP id t25so45621452ejb.8 for ; Wed, 16 Nov 2022 09:06:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=ntvWgXmyJ+ykqZ+C7I8wJwNPUjVuwRNNvjO3LgHYeZQ=; b=ijm23BXVpC91ubga8PZXme39BcIbxyQVTExxRKXLSvZDwSo1X0uMeKsr7Af4VNMN5F 3NheMhsqE43RygVDM/jqGXonihzTc9MNVlqK3YiBbqPGVwkBhqeJxKrh3IDLPdbivdbI 5UF69y2Xsi16bX6JXRDlIbeGzG+NFKuoa1rTjK5uI3yc98PJ8r/C7knt4fsZiZaPbBEu C+nUdfI+n3I89DEqDmtzg89PBhJJuF2Dzei+N7FTHK2b76i7PNqem+0Dv9w4cD2XuUjs tPnFZNspYuymVCs3upZV9M8kNEsHnbByVfWFQGI1a07rLlebliWtUZeAmqqUJl7ny9QT lKgA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=ntvWgXmyJ+ykqZ+C7I8wJwNPUjVuwRNNvjO3LgHYeZQ=; b=ZRjVLa64gMl732vS1Ud36UnrmPc4Z9PCTx6dnjdinVqBCMsQ3QnljgHdepWeIz61nM aVbZLhFeQhtNvv1rZ6HIntrlHlYDQ6FC2zspkWmwidYj29KojQglzC12juERCAf+QHa7 Kjju4GtpWZGZYVb17plQlBe+RZnPFmroObn+nP2vGg9AcFkM67WElDCZM5PPjefAhLAS 8/hqYFGwWK4au/0NxyDyBlFEw5LE68f39TQj3fzC0/sIbb5W04ztlSJlQVBv/cBGPS2D 44uWwAzrYJHOn766hj/dIFs/m1fV0Bb4MRQ8HMEt34QTk6brpLJSdSwUTLXNdc+h7UrD QiTA== X-Gm-Message-State: ANoB5pmGgdXiAszpYHGbc9/5B/C6qKpAPWzb5R/ssfsWttnNlKLc8TSV gEK6D/KMJcna12oUshFPtw8PtQ== X-Google-Smtp-Source: AA0mqf7OUgDhaAkgf87o1aEoAM3GV5pr2cWK1jkNVYywr1xdXN9du8Ug6c89/kiZd1oJFyyfqrOXQw== X-Received: by 2002:a17:906:a2d4:b0:7ac:db70:2f90 with SMTP id by20-20020a170906a2d400b007acdb702f90mr18116893ejb.297.1668618409178; Wed, 16 Nov 2022 09:06:49 -0800 (PST) Received: from google.com (64.227.90.34.bc.googleusercontent.com. [34.90.227.64]) by smtp.gmail.com with ESMTPSA id r18-20020a1709061bb200b0077d37a5d401sm7115248ejg.33.2022.11.16.09.06.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Nov 2022 09:06:48 -0800 (PST) Date: Wed, 16 Nov 2022 17:06:44 +0000 From: Quentin Perret To: Marc Zyngier , James Morse , Alexandru Elisei , Suzuki K Poulose , Oliver Upton , Catalin Marinas , Will Deacon , Sudeep Holla , Andrew Walbran Cc: linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org, kernel-team@android.com Subject: Re: [PATCH 12/12] ANDROID: KVM: arm64: pkvm: Add support for fragmented FF-A descriptors Message-ID: References: <20221116170335.2341003-1-qperret@google.com> <20221116170335.2341003-13-qperret@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20221116170335.2341003-13-qperret@google.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221116_090657_324839_12B611B5 X-CRM114-Status: GOOD ( 10.71 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wednesday 16 Nov 2022 at 17:03:35 (+0000), Quentin Perret wrote: > FF-A memory descriptors may need to be sent in fragments when they don't > fit in the mailboxes. Doing so involves using the FRAG_TX and FRAG_RX > primitives defined in the FF-A protocol. > > Add support in the pKVM FF-A relayer for fragmented descriptors by > monitoring outgoing FRAG_TX transactions and by buffering large > descriptors on the reclaim path. And it seems that I have forgotten to remove the ANDROID: tag from this patch prior to posting ... Please ignore, it'll be gone in v2. Cheers, Quentin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel