Re: [PATCH 32/35] clockevents: Fix cpu down race for hrtimer based broadcasting

From: Preeti U Murthy
Date: Mon Feb 16 2015 - 23:05:35 EST


On 02/16/2015 05:45 PM, Peter Zijlstra wrote:

>> From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

>> @@ -428,7 +428,7 @@ static int __ref _cpu_down(unsigned int
>> __cpu_die(cpu);
>>
>> /* CPU is completely dead: tell everyone. Too late to complain. */
>>- tick_cleanup_dead_cpu(cpu);
>>+ tick_takeover(cpu);

Why is tick_handover() called after __cpu_die()? And the function tick_takeover()
is not introduced until the next patch. tick_broadcast_takeover_bc() is the
function used instead in this patch.

Regards
Preeti U Murthy

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