KVM: PPC: Book3S HV: Ratelimit machine check messages coming from guests

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A number of machine check exceptions are triggerable by the guest.
Ratelimit these to avoid a guest flooding the host console and logs.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
[mpe: Use dedicated ratelimit state, not printk_ratelimit()]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201128070728.825934-5-npiggin@gmail.com

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Nicholas Piggin 2020-11-28 17:07:24 +10:00 • committed by Michael Ellerman

parent 067c9f9c98

commit 1d15ffdfc9

1 changed files with 16 additions and 4 deletions

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arch/powerpc/kvm/book3s_hv.c

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