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bh=qsGVIC41HDalGoHN3eDwDtBTI6dMXbAdP5OWRu78vaU=; b=OmawdcbIQKrj7Wdd2ph/uWF7qvIPOgqm5YF38xXCcMpmiaMa+QUCuu99x4/mw3et Wr7PWpevHFXvuVlWuDDc0cBWsNVpOpsoEGHikaZv7z+yqrgYVxxzUPZUxCB9KbEhNAm UQQE43BoVX8TJ0mxmzdopbSOct1pE+3v40rr0kCI= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=hsbnp7p3ensaochzwyq5wwmceodymuwv; d=amazonses.com; t=1599812509; h=MIME-Version:Content-Type:Content-Transfer-Encoding:Date:From:To:Cc:Subject:In-Reply-To:References:Message-ID:Feedback-ID; bh=qsGVIC41HDalGoHN3eDwDtBTI6dMXbAdP5OWRu78vaU=; b=Tz4iTmSbQSTev/nw1FXGn3P3EKPOE1y4x537ajUzK11HVXFF5gcctv9islOs0PQ5 WbSxhYnT30WACpNs6Xi0ZmW52yYQPqc6HfkAizHwXvXnWAu7TE9ZVHscw9PeymVYMkw LgXoKPpeS4G4a/kQ/clEOrYOrsosGtHr3g4SgHl8= MIME-Version: 1.0 Date: Fri, 11 Sep 2020 08:21:49 +0000 From: Sai Prakash Ranjan To: Bjorn Andersson Subject: Re: [PATCH v3 3/8] iommu/arm-smmu: Consult context bank allocator for identify domains In-Reply-To: <20200904155513.282067-4-bjorn.andersson@linaro.org> References: <20200904155513.282067-1-bjorn.andersson@linaro.org> <20200904155513.282067-4-bjorn.andersson@linaro.org> Message-ID: <010101747c419f77-892093cb-dd9f-4db4-8337-8f2b695882ae-000000@us-west-2.amazonses.com> X-Sender: saiprakash.ranjan@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 X-SES-Outgoing: 2020.09.11-54.240.27.11 Feedback-ID: 1.us-west-2.CZuq2qbDmUIuT3qdvXlRHZZCpfZqZ4GtG9v3VKgRyF0=:AmazonSES Cc: Rob Clark , Will Deacon , iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Sibi Sankar , linux-arm-msm@vger.kernel.org, Robin Murphy , linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On 2020-09-04 21:25, Bjorn Andersson wrote: > For implementations of the ARM SMMU where stream mappings of bypass > type > are prohibited identity domains can be implemented by using context > banks with translation disabled. > > Postpone the decision to skip allocating a context bank until the > implementation specific context bank allocator has been consulted and > if > it decides to use a context bank for the identity map, don't enable > translation (i.e. omit ARM_SMMU_SCTLR_M). > > Signed-off-by: Bjorn Andersson > --- > Minor nit in the subject: identify -> identity Reviewed-by: Sai Prakash Ranjan Tested-by: Sai Prakash Ranjan -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu