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(parent: 5d220ff) | patch
arm64: lib: use pair accessors for copy_*_user routines
authorWill Deacon <will.deacon@arm.com>
Tue, 2 Jun 2015 14:18:38 +0000 (15:18 +0100)
committerWill Deacon <will.deacon@arm.com>
Mon, 27 Jul 2015 10:08:39 +0000 (11:08 +0100)
commit23e94994464a7281838785675e09c8ed1055f62f
treeecf1beb8f744ec2b7e13625bdbcf34afb0da5e80tree | snapshot (tar.gz zip)
parent5d220ff9420f8b1689805ba2d938bedf9e0860a4commit | diff
arm64: lib: use pair accessors for copy_*_user routines

The AArch64 instruction set contains load/store pair memory accessors,
so use these in our copy_*_user routines to transfer 16 bytes per
iteration.

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
arch/arm64/lib/copy_from_user.S diff | blob | blame | history
arch/arm64/lib/copy_in_user.S diff | blob | blame | history
arch/arm64/lib/copy_to_user.S diff | blob | blame | history