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authorAnton Blanchard <anton@samba.org>2015-10-29 00:44:04 (GMT)
committerMichael Ellerman <mpe@ellerman.id.au>2015-12-01 02:52:25 (GMT)
commita0e72cf12b1a1f159b6822ed2e1e41893d996fc7 (patch)
tree341c39ac34fad618accdb2a37aaba9af83a1a6d7 /block
parent1552cd703cf5a07caeb17ccd82f80e20a23b1707 (diff)
downloadlinux-a0e72cf12b1a1f159b6822ed2e1e41893d996fc7.tar.xz
powerpc: Create msr_check_and_{set,clear}()
Create helper functions to set and clear MSR bits after first checking if they are already set. Grouping them will make it easy to avoid the MSR writes in a subsequent optimisation. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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