lkml.org 
[lkml]   [2019]   [Jun]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [Linux-kernel-mentees][PATCH] doc: RCU callback locks need only _bh, not necessarily _irq
From
Date
On 6/27/19 4:10 PM, Paul E. McKenney wrote:
> On Thu, Jun 27, 2019 at 04:01:35PM -0600, Shuah Khan wrote:
>> On 6/27/19 3:01 PM, Jiunn Chang wrote:
>>> The UP.rst file calls for locks acquired within RCU callback functions
>>> to use _irq variants (spin_lock_irqsave() or similar), which does work,
>>> but can be overkill. This commit therefore instead calls for _bh variants
>>> (spin_lock_bh() or similar), while noting that _irq does work.
>>>
>>> Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
>>
>> Should this by Suggested-by?
>
> I wrote it and Jiunn converted my change to .rst, so I believe that
> this is correct as is.
>

Great.

thanks,
-- Shuah

\
 
 \ /
  Last update: 2019-06-28 00:13    [W:0.336 / U:0.944 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site