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| author |   Will Deacon <will.deacon@arm.com> | 2013-06-26 17:03:40 +0100 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2013-09-30 16:42:55 +0100 |
| commit | d8f57aa4bc5860df68d4c332d2a89c131417ee7b (patch) | |
| tree | b7df2d2846e07ca6410cf7c9e652b36fee043330 /arch/arm/include/asm/spinlock_types.h | |
| parent | ARM: smp_on_up: move inline asm ALT_SMP patching macro out of spinlock.h (diff) | |
| download | linux-dev-d8f57aa4bc5860df68d4c332d2a89c131417ee7b.tar.xz linux-dev-d8f57aa4bc5860df68d4c332d2a89c131417ee7b.zip | |
ARM: prefetch: add support for prefetchw using pldw on SMP ARMv7+ CPUs
SMP ARMv7 CPUs implement the pldw instruction, which allows them to
prefetch data cachelines in an exclusive state.
This patch defines the prefetchw macro using pldw for CPUs that support
it.
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm/include/asm/spinlock_types.h')
0 files changed, 0 insertions, 0 deletions