Christophe Leroy e53281bc21 powerpc: Drop _nmask_and_or_msr()
_nmask_and_or_msr() is only used at two places to set MSR_IP.

The SYNC is unnecessary as the users are not PowerPC 601.

Can be easily writen in C.

Do it, and drop _nmask_and_or_msr()

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/c2d2b8dfb8dd677026b26dffc8d31070c38a6b89.1597388079.git.christophe.leroy@csgroup.eu
2020-09-02 11:00:20 +10:00
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