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arm64: mm: cleanup stale AIVIVT references

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Since commit:

  155433cb36 ("arm64: cache: Remove support for ASID-tagged VIVT I-caches")

... the kernel no longer cares about AIVIVT I-caches, as these were
removed from the architecture.

This patch removes the stale references to such I-caches.

The comment in flush_context() is also updated to clarify when and where
the TLB invalidation occurs.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Mark Rutland
2017-11-21 11:59:13 +00:00
committed by Will Deacon
parent 4fbd8d194f
commit f81a348728
2 changed files with 5 additions and 2 deletions
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2
arch/arm64/include/asm/cacheflush.h
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@@ -38,7 +38,7 @@
* *
* See Documentation/cachetlb.txt for more information. Please note that * See Documentation/cachetlb.txt for more information. Please note that
* the implementation assumes non-aliasing VIPT D-cache and (aliasing) * the implementation assumes non-aliasing VIPT D-cache and (aliasing)
* VIPT or ASID-tagged VIVT I-cache. * VIPT I-cache.
* *
* flush_cache_mm(mm) * flush_cache_mm(mm)
* *

5
arch/arm64/mm/context.c
View File

@@ -117,7 +117,10 @@ static void flush_context(unsigned int cpu)
per_cpu(reserved_asids, i) = asid; per_cpu(reserved_asids, i) = asid;
} }
/* Queue a TLB invalidate and flush the I-cache if necessary. */ /*
* Queue a TLB invalidation for each CPU to perform on next
* context-switch
*/
cpumask_setall(&tlb_flush_pending); cpumask_setall(&tlb_flush_pending);
} }