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X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-6.2 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH] mmu: explicitly map executable non-SDRAM regions with MAP_CODE X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On Wed, 18 Jun 2025 14:36:42 +0200, Ahmad Fatoum wrote: > So far we have been setting eXecute Never on MAP_UNCACHED regions and > left it out for the default MAP_CACHED region. > > We have at least three places, which depend on this to remap non-SDRAM > regions executable, so ROM code or newly uploaded code can be run. > > Switch them over to use a new MAP_CODE mapping type. For now, this is > equivalent to MAP_CACHED, but with the addition of W^X support in > barebox, this will be required to avoid a prefetch abort when MMU > attributes are used. > > [...] Applied, thanks! [1/1] mmu: explicitly map executable non-SDRAM regions with MAP_CODE https://git.pengutronix.de/cgit/barebox/commit/?id=225fda833a82 (link may not be stable) Best regards, -- Sascha Hauer