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authorCatalin Marinas <[email protected]>2012-06-25 14:59:38 +0100
committerRussell King <[email protected]>2012-07-09 17:39:38 +0100
commit9ad86ddde0345e903eb74837e52cf19fe0c7f825 (patch)
tree15d6bbaa38a0c7e4b55b4ee65edfa465e876efb4 /lib/mpi/mpi-internal.h
parent02df19b4227e5b799e4642e88b568f9474fa78d0 (diff)
ARM: 7436/1: Do not map the vectors page as write-through on UP systems
The vectors page has been traditionally mapped as WT on UP systems but this creates a mismatched alias with the directly mapped RAM that is using WB attributes. On newer processors like Cortex-A15 this has implications on the data/instructions coherency at the point of unification (usually L2). This patch removes such restriction. Signed-off-by: Catalin Marinas <[email protected]> Tested-by: Will Deacon <[email protected]> Signed-off-by: Russell King <[email protected]>
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