From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@arm.linux.org.uk (Russell King - ARM Linux) Date: Fri, 10 Jan 2014 11:34:15 +0000 Subject: [PATCH v3 4/6] arm: add early_ioremap support In-Reply-To: <1389325833-16535-5-git-send-email-msalter@redhat.com> References: <1389325833-16535-1-git-send-email-msalter@redhat.com> <1389325833-16535-5-git-send-email-msalter@redhat.com> Message-ID: <20140110113415.GH27432@n2100.arm.linux.org.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, Jan 09, 2014 at 10:50:31PM -0500, Mark Salter wrote: > +#define FIXMAP_PAGE_NORMAL (L_PTE_MT_WRITEBACK | L_PTE_YOUNG | L_PTE_PRESENT) > +#define FIXMAP_PAGE_IO (L_PTE_MT_DEV_NONSHARED | L_PTE_YOUNG | L_PTE_PRESENT) Doesn't this also want L_PTE_XN for at least IO mappings - maybe for the normal too if no code is expected to be run from it. -- FTTC broadband for 0.8mile line: 5.8Mbps down 500kbps up. Estimation in database were 13.1 to 19Mbit for a good line, about 7.5+ for a bad. Estimate before purchase was "up to 13.2Mbit".