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authorWill Deacon <will.deacon@arm.com>2015-10-06 17:46:23 (GMT)
committerCatalin Marinas <catalin.marinas@arm.com>2015-10-07 10:45:27 (GMT)
commit8e63d38876691756f9bc6930850f1fb77809be1b (patch)
tree74f5a739675a90c71d1f07e937c2e3f512781b7e /arch/arm64/mm/proc.S
parentfa7aae8a4257e6be7051420dac1f150c1eef721b (diff)
downloadlinux-8e63d38876691756f9bc6930850f1fb77809be1b.tar.xz
arm64: flush: use local TLB and I-cache invalidation
There are a number of places where a single CPU is running with a private page-table and we need to perform maintenance on the TLB and I-cache in order to ensure correctness, but do not require the operation to be broadcast to other CPUs. This patch adds local variants of tlb_flush_all and __flush_icache_all to support these use-cases and updates the callers respectively. __local_flush_icache_all also implies an isb, since it is intended to be used synchronously. Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: David Daney <david.daney@cavium.com> Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/mm/proc.S')
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