arm64: mm: Introduce TTBR_ASID_MASK for getting at the ASID in the TTBR

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Commit b519538dfe upstream.

There are now a handful of open-coded masks to extract the ASID from a
TTBR value, so introduce a TTBR_ASID_MASK and use that instead.

Suggested-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Laura Abbott <labbott@redhat.com>
Tested-by: Shanker Donthineni <shankerd@codeaurora.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Will Deacon 2017-12-01 17:33:48 +00:00 • committed by Greg Kroah-Hartman

parent e0b74ca82f

commit 7036e5f677

4 changed files with 6 additions and 4 deletions

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3

arch/arm64/include/asm/asm-uaccess.h

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arch/arm64/include/asm/mmu.h

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arch/arm64/include/asm/uaccess.h

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arch/arm64/kernel/entry.S

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