powerpc/64s: Optimise clearing of MSR_EE in masked_[H]interrupt()

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MSR_EE is always enabled in SRR1 for masked interrupts, so we can use
xor to clear it.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Nicholas Piggin 2017-08-12 02:39:00 +10:00 • committed by Michael Ellerman

parent e0c827c09c

commit 6e9a2f6eba

1 changed files with 1 additions and 2 deletions

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arch/powerpc/kernel/exceptions-64s.S

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