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a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1600363137; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=WU5uCzjAtxqK1mwx7rQrEjQuAmt9/FJg9bmOpsWfM5g=; b=XxZqzp9yxOxK+AiJsoXf7Nt2uhPsR3sU4Oq3YAjmssSjcf8rFOJ3TJS0tafGBkpH8Y7Dka CPO66Bq2xmvjSDo+QAXMTWEPQAwnAQVENAKAgc5FqKw02PfmQ0ds/Y+VB906mByT9ba9R0 PyiQ9Gvp9Gh4CQakJo9rN4W8UJLODuo= Date: Thu, 17 Sep 2020 19:18:49 +0200 From: Borislav Petkov To: "Raj, Ashok" Subject: Re: [PATCH v8 3/9] Documentation/x86: Add documentation for SVA (Shared Virtual Addressing) Message-ID: <20200917171849.GO31960@zn.tnic> References: <1600187413-163670-1-git-send-email-fenghua.yu@intel.com> <1600187413-163670-4-git-send-email-fenghua.yu@intel.com> <20200917075338.GC31960@zn.tnic> <20200917145609.GB91028@otc-nc-03> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200917145609.GB91028@otc-nc-03> Cc: Fenghua Yu , Tony Luck , Dave Jiang , Ravi V Shankar , Jean-Philippe Brucker , Peter Zijlstra , Randy Dunlap , linux-kernel , Christoph Hellwig , Dave Hansen , iommu@lists.linux-foundation.org, Ingo Molnar , Jacob Jun Pan , Andy Lutomirski , H Peter Anvin , Thomas Gleixner , David Woodhouse , x86 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-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Thu, Sep 17, 2020 at 07:56:09AM -0700, Raj, Ashok wrote: > Just tweaked it a bit: > > "When ATS lookup fails for a virtual address, device should use PRI in > order to request the virtual address to be paged into the CPU page tables. > The device must use ATS again in order the fetch the translation again > before use" Thanks, amended. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu