Messages in this thread | | | Date | Mon, 25 Apr 2005 22:25:17 -0600 (MDT) | From | Zwane Mwaikambo <> | Subject | Re: [PATCH]broadcast IPI race condition on CPU hotplug |
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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?
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