• Andrew Morton's avatar
    [PATCH] ppc64: Fix CPU hot unplug deadlock · 26214e32
    Andrew Morton authored
    From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
    
    My RTAS locking fixes incorrectly added a spinlock around the function used
    to stop a CPU, that function never returns, thus the lock becomes stale.
    The correct fix is to disable interrupts instead (the RTAS params beeing
    per-CPU, this should be safe enough)
    26214e32
rtas.c 13.4 KB