From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=13.77.154.182 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794352774; b=AAdqy6SXRfb7rS8OTC4Z04LIp6Rqd8f38LseEdRB1X8xaYmAbQbwmQgEVQX8oMv5EM3p xW8q7PeEsJX5QU0Y9JRgKnKqi2NWs1S/2lSAnT3tokKBUAuIijpbQOcIkP1zsebUcSSe8 YrnFls15TUS8ei3nbCkazF2LQMs16Xs+5xTu2DMRDtLUSXXO6texPqYF+nVTJeTF7Ehv8 6hLe+9jUS4AFroJCB+UwxcIAJvnHFiR+gq54bGqjlYNTAPzoon0+wf3gT/lyib4B1fpWV s2xPlB8k8FYEX1EtWbOMVrY2j+maSxfOHw0YEc5aUtuBOZR5JBrJ7FhHDLPBfjMkw1Q== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794352774; h=DMARC-Filter:Received:DKIM-Filter:DKIM-Signature:From:To:Cc:Subject: Date:Message-ID:X-Mailer:In-Reply-To:References:MIME-Version: Content-Transfer-Encoding:X-Spam-Status:X-Spam-Checker-Version; bh=mq5a6HvNSQ2FOlYRly4xHcCl+VsY+FjouUWkr2zVu1o=; b=O1wy+Jpk3DLaJ5mivZc69mw5DjVKiHEal2mUB14sZlUoDteiMS2QzjrcwJh+Rnwl9pwL SXakWg5jpEzwTecEX/onoHIOLGiuWYdDBNT1J0z3ei4mfPyrnYXnGgFmVU6ICKuQiRCL4 pFDV1ISeGIgK/u2h8arvxioq8WPGdJBNdGAfanbfg3teroq5mN7uMIaHlfGQYFlZfyGev dmWFWH7LOb+AxCcZ4qZgxZMPOyNURlAmaB4tTUUNkFm6nRkQZr1N6nP1I7+h/0ds2rFxX mbVAq1JEFaKobZqL3sX5UXgacCKP56bUT/3xnH6xWCOP3q4PnTfdfaJtRhPfNzPGIoA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass header.d=linux.microsoft.com header.i=@linux.microsoft.com header.a=rsa-sha256 header.s=default header.b=jxQc0pZ6; arc=none smtp.remote-ip=13.77.154.182 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 5D9C7606A325; Tue, 10 Nov 2026 23:19:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 5D9C7606A325 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.a=rsa-sha256 header.s=default header.b=jxQc0pZ6 Received: from jeffbarnes-ThinkPad-P14s-Gen-2i.lan (unknown [52.177.6.131]) by linux.microsoft.com (Postfix) with ESMTPSA id 2255920B7168; Tue, 10 Nov 2026 15:19:30 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 2255920B7168 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1794352771; bh=mq5a6HvNSQ2FOlYRly4xHcCl+VsY+FjouUWkr2zVu1o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jxQc0pZ6MqLJSfxuWIv/k7tMJUSXpfbBeakPPtn5l+CPik3yPiFShIDAIeVt06j9C EXZmSeavkAlBVbIH9jNVydxVG3BQk+AEp/W0BetabDgYLdKzgGhEc3RukAmFFmPU4A tr76UzOgMkXeALD11aUTwjsJOI/rWHc1S+ghK6X0= From: Jeff Barnes To: horia.geanta@nxp.com, pankaj.gupta@nxp.com, gaurav.jain@nxp.com, herbert@gondor.apana.org.au, davem@davemloft.net Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 0/1] crypto: caam - fix in-place RSA payload DMA mapping Date: Tue, 10 Nov 2026 18:19:23 -0500 Message-ID: <20261110231923.165037-1-jeffbarnes@linux.microsoft.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261020192511.3389133-1-jeffbarnes@linux.microsoft.com> References: <20261020192511.3389133-1-jeffbarnes@linux.microsoft.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Gentle ping on this RFC. I would appreciate any feedback on the DMA mapping approach, particularly whether a single DMA_BIDIRECTIONAL mapping is the right model for the exact source/destination alias case. Thanks, Jeff