Messages in this thread | | | From | Heiko Stübner <> | Subject | Re: [PATCH v4] ARM: early fixmap support for earlycon | Date | Tue, 30 Jun 2015 14:33:55 +0200 |
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Am Dienstag, 16. Juni 2015, 23:51:47 schrieb Stefan Agner: > Add early fixmap support, initially to support permanent, fixed > mapping support for early console. A temporary, early pte is > created which is migrated to a permanent mapping in paging_init. > This is also needed since the attributes may change as the memory > types are initialized. The 3MiB range of fixmap spans two pte > tables, but currently only one pte is created for early fixmap > support. > > Re-add FIX_KMAP_BEGIN to the index calculation in highmem.c since > the index for kmap does not start at zero anymore. This reverts > 4221e2e6b316 ("ARM: 8031/1: fixmap: remove FIX_KMAP_BEGIN and > FIX_KMAP_END") to some extent. > > Cc: Mark Salter <msalter@redhat.com> > Cc: Russell King <linux@arm.linux.org.uk> > Cc: Kees Cook <keescook@chromium.org> > Cc: Laura Abbott <lauraa@codeaurora.org> > Cc: Arnd Bergmann <arnd@arndb.de> > Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> > Signed-off-by: Rob Herring <robh@kernel.org> > Signed-off-by: Stefan Agner <stefan@agner.ch>
a bit late to the party, but on a rk3288 (Veyron Chromebook) using 8250_dw Tested-by: Heiko Stuebner <heiko@sntech.de>
Heiko
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