lkml.org 
[lkml]   [2014]   [Jan]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] rcu: Eliminate softirq processing from rcutree
* Mike Galbraith | 2014-01-18 04:25:14 [+0100]:

>> ># timers-do-not-raise-softirq-unconditionally.patch
>> ># rtmutex-use-a-trylock-for-waiter-lock-in-trylock.patch
>> >
>> >..those two out does seem to have stabilized the thing.
>>
>> timers-do-not-raise-softirq-unconditionally.patch is on its way out.
>>
>> rtmutex-use-a-trylock-for-waiter-lock-in-trylock.patch confues me.
>> Didn't you report once that your box deadlocks without this patch? Now
>> your 64way box on the other hand does not work with it?
>
>If 'do not raise' is applied, 'use a trylock' won't save you. If 'do
is this just an observation or you do know why it won't save me?
Currently I think to go back to the version where the waiter_lock was
taken with irqs off. However I would prefer to trigger this myself so I
would know what is going on instead blindly apply patches.

>-Mike

Sebastian


\
 
 \ /
  Last update: 2014-01-24 21:21    [W:0.211 / U:0.056 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site