When submitting a series of patches, you must always provide
a cover posting.
This posting has Subject of the form:
Subject: [PATCH 0/NN] Toplevel description.
And the body of the message explains what the patch series as
a whole does, why it is doing it, and how it is doing it.
CPU needs to be marked offline before stopping it. When not marked
offline, the xcall receives HV_EWOULDBLOCK and so assumes that not all
CPUs received the message, and retries. After 1 retries, it finally
fails with fatal mondo timeout.
Signed-off-by: Vijay Kumar
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arch/sparc/kernel/smp_6
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