powerpc: Don't preempt_disable() in show_cpuinfo()

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This causes warnings from cpufreq mutex code. This is also rather
unnecessary and ineffective. If we really want to prevent concurrent
unplug, we could take the unplug read lock but I don't see this being
critical.

Fixes: cd77b5ce20 ("powerpc/powernv/cpufreq: Fix the frequency read by /proc/cpuinfo")
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Benjamin Herrenschmidt 2018-01-10 17:10:12 +11:00 • committed by Michael Ellerman

parent 2248fade96

commit 349524bc0d

1 changed files with 0 additions and 11 deletions

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arch/powerpc/kernel/setup-common.c

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