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Christophe Leroy b5efec00b6 powerpc/32s: Move KUEP locking/unlocking in C
This can be done in C, do it.

Unrolling the loop gains approx. 15% performance.

From now on, prepare_transfer_to_handler() is only for
interrupts from kernel.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/4eadd873927e9a73c3d1dfe2f9497353465514cf.1615552867.git.christophe.leroy@csgroup.eu
2021-03-29 13:22:10 +11:00
arch powerpc/32s: Move KUEP locking/unlocking in C 2021-03-29 13:22:10 +11:00
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drivers cxl: don't manipulate the mm.mm_users field directly 2021-03-29 12:52:24 +11:00
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Linux kernel
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There are several guides for kernel developers and users. These guides can
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