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Cyril Bur authored
msr_check_and_set() always performs a mfmsr() to determine if it needs to perform an mtmsr(), as mfmsr() can be a costly operation msr_check_and_set() could return the MSR now on the CPU to avoid callers of msr_check_and_set having to make their own mfmsr() call. Signed-off-by:
Cyril Bur <cyrilbur@gmail.com> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au>
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