Hi Shaohua,
On Tue, 26 Apr 2005, Li Shaohua wrote:
> After a CPU is booted but before it's officially up (set online map, and
> enable interrupt), the CPU possibly will receive a broadcast IPI. After
> it's up, it will handle the stale interrupt soon and maybe cause oops if
> it's a smp-call-function-interrupt. This is quite possible in CPU
> hotplug case, but nearly can't occur at boot time. Below patch replaces
> broadcast IPI with send_ipi_mask just like the cluster mode.
Ok, but isn't it sufficient to use send_ipi_mask in smp_call_function
instead?
Thanks,
Zwane
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