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arm64: mm: Allocate ASIDs in pairs
authorWill Deacon <[email protected]>
Thu, 10 Aug 2017 13:10:28 +0000 (14:10 +0100)
committerWill Deacon <[email protected]>
Mon, 11 Dec 2017 13:40:38 +0000 (13:40 +0000)
commit0c8ea531b7740754cf374ca8b7510655f569c5e3
tree351a23183a83c558e17184e736bd877c71a17bbetree | snapshot
parent27a921e75711d924617269e0ba4adb8bae9fd0d1commit | diff
arm64: mm: Allocate ASIDs in pairs

In preparation for separate kernel/user ASIDs, allocate them in pairs
for each mm_struct. The bottom bit distinguishes the two: if it is set,
then the ASID will map only userspace.

Reviewed-by: Mark Rutland <[email protected]>
Tested-by: Laura Abbott <[email protected]>
Tested-by: Shanker Donthineni <[email protected]>
Signed-off-by: Will Deacon <[email protected]>
arch/arm64/include/asm/mmu.h diff | blob | blame | history
arch/arm64/mm/context.c diff | blob | blame | history
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