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Fri, 06 Nov 2026 11:02:07 +0100 (CET) From: Sascha Hauer To: barebox@lists.infradead.org, Ahmad Fatoum Cc: lst@pengutronix.de, Ahmad Fatoum In-Reply-To: <20261103131652.663786-1-a.fatoum@pengutronix.de> References: <20261103131652.663786-1-a.fatoum@pengutronix.de> Subject: Re: [PATCH 1/2] ARM64: mmu: map normal memory Inner Shareable Message-Id: <179395932752.4003630.9162545980306214198.b4-ty@pengutronix.de> Date: Fri, 06 Nov 2026 11:02:07 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.14.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261106_020210_222149_B68100CF X-CRM114-Status: UNSURE ( 6.68 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.1 (--) X-Spam-Report: Spam detection software, running on the system "bombadil.infradead.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: On Tue, 03 Nov 2026 14:16:08 +0100, Ahmad Fatoum wrote: > Commit 77446c78219e ("ARM: aarch64: mmu: use PTE_* definitions from > U-Boot") back in 2018 was meant to only switch to the U-Boot macro name [...] Content analysis details: (-2.1 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 URIBL_BLOCKED ADMINISTRATOR NOTICE: The query to URIBL was blocked. See http://wiki.apache.org/spamassassin/DnsBlocklists#dnsbl-block for more information. [URI: pengutronix.de] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.0 DMARC_MISSING Missing DMARC policy 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-Rspamd-Server: mx1 X-Rspamd-Queue-Id: 7AE98202929 X-Spamd-Result: default: False [-60.61 / 15.00]; RECEIVED_AUTHENTICATED_BY_MX1(-50.00)[]; BAYES_HAM(-3.00)[99.99%]; DWL_DNSWL_MED(-2.00)[infradead.org:dkim]; ARC_ALLOW_TRUSTED(-2.00)[pengutronix.de:s=20260414:i=1]; ARC_ALLOW(-1.00)[pengutronix.de:s=20260414:i=1]; KNOWN_LIST_ID(-1.00)[barebox.lists.infradead.org]; RCVD_DKIM_ARC_DNSWL_MED(-0.50)[]; RCVD_IN_DNSWL_MED(-0.40)[2a0a:edc0:0:1101:1d::28:received,2607:7c80:54:3::133:from]; MAILLIST(-0.20)[mailman]; R_DKIM_ALLOW(-0.20)[lists.infradead.org:s=bombadil.20210309,pengutronix.de:s=20260414]; R_SPF_ALLOW(-0.20)[+mx:c]; MIME_GOOD(-0.10)[text/plain]; HAS_LIST_UNSUB(-0.01)[]; RECEIVED_HELO_LOCALHOST(0.00)[]; RCVD_COUNT_THREE(0.00)[4]; DMARC_NA(0.00)[pengutronix.de]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:7247, ipnet:2607:7c80:54::/48, country:US]; DKIM_TRACE(0.00)[lists.infradead.org:+,pengutronix.de:+]; NEURAL_HAM(-0.00)[-1.000]; FROM_NEQ_ENVFROM(0.00)[s.hauer@pengutronix.de,barebox-bounces@lists.infradead.org]; FROM_HAS_DN(0.00)[]; TAGGED_FROM(0.00)[lore=pengutronix.de]; MID_RHS_MATCH_FROM(0.00)[]; ARC_SIGNED(0.00)[pengutronix.de:s=20260414:i=2]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; FORGED_SENDER_MAILLIST(0.00)[] X-Rspamd-Action: no action X-Stat-Signature: 996bsqki7ai14wdi4mamz3yinujkkkfy On Tue, 03 Nov 2026 14:16:08 +0100, Ahmad Fatoum wrote: > Commit 77446c78219e ("ARM: aarch64: mmu: use PTE_* definitions from > U-Boot") back in 2018 was meant to only switch to the U-Boot macro names, > but it also changed CACHED_MEM from Inner Shareable (PMD_SECT_S, 3 << 8) > to Outer Shareable. TCR was left at Inner Shareable, so since then, the > page table walker reads our translation tables Inner Shareable, while we > write them Outer Shareable. > > [...] Applied, thanks! [1/2] ARM64: mmu: map normal memory Inner Shareable https://git.pengutronix.de/cgit/barebox/commit/?id=58fb483585df (link may not be stable) [2/2] habv4: drop cache maintenance around HAB SiP calls https://git.pengutronix.de/cgit/barebox/commit/?id=309130d851c5 (link may not be stable) Best regards, -- Sascha Hauer