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(parent: 8c992df) | patch
arm64: Use Normal NonCacheable memory for writecombine
authorCatalin Marinas <catalin.marinas@arm.com>
Fri, 29 Nov 2013 10:56:14 +0000 (10:56 +0000)
committerJiri Slaby <jslaby@suse.cz>
Mon, 31 Mar 2014 12:22:22 +0000 (14:22 +0200)
commitdffdacf81b8705d6d1a43ccb9fdf60da750f75f9
tree9f745f29b5318a2048337325c089d697b554466ctree | snapshot
parent8c992df26ee88eb93c39c1ce187c9003a997001ecommit | diff
arm64: Use Normal NonCacheable memory for writecombine

commit 4f00130b70e5eee813cc7bc298e0f3fdf79673cc upstream.

This provides better performance compared to Device GRE and also allows
unaligned accesses. Such memory is intended to be used with standard RAM
(e.g. framebuffers) and not I/O.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
arch/arm64/include/asm/pgtable.h diff | blob | history
Domain: System / Uncategorized;