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Peter Anvin" , Heiko Carstens , Christian Borntraeger , Tom Lendacky , Christian =?iso-8859-1?Q?K=F6nig?= Subject: Re: [PATCH v2 1/4] x86/mm: Export force_dma_unencrypted Message-ID: <20190903134627.GA2951@infradead.org> References: <20190903131504.18935-1-thomas_os@shipmail.org> <20190903131504.18935-2-thomas_os@shipmail.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20190903131504.18935-2-thomas_os@shipmail.org> User-Agent: Mutt/1.11.4 (2019-03-13) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 03, 2019 at 03:15:01PM +0200, Thomas Hellstr?m (VMware) wrote: > From: Thomas Hellstrom > > The force_dma_unencrypted symbol is needed by TTM to set up the correct > page protection when memory encryption is active. Export it. NAK. This is a helper for the core DMA code and drivers have no business looking at it.