x86: cdev lock_kernel() pushdown
Push the cdev lock_kernel() call down into the x86 msr and cpuid drivers.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Push the cdev lock_kernel() call down into the x86 msr and cpuid drivers.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>