lkml.org 
[lkml]   [2010]   [Nov]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] generic-ipi: add lock context annotations
On 2010-11-23 04:19, Namhyung Kim wrote:
> 2010-11-22 (월), 13:46 +0100, Peter Zijlstra:
>> On Mon, 2010-11-22 at 16:33 +0900, Namhyung Kim wrote:
>>> The ipi_call_[un]lock[_irq] functions grab/release a spin lock
>>> but were missing proper annotations. Add it.
>>
>> I really have to ask why bother? Why not add some smarts to whatever
>> uses these annotations?
>
> I just thought that removing bogus warnings from sparse helps us focus
> on real issues when using it. Currently sparse emits too many messages
> and some (many?) of them might be removed trivially (or by adding bit of
> ugliness. :( )

It's not too big a deal, I have no problem adding the annotation.

> BTW, I didn't get what you mean about "some smarts". Could you explain
> them little more?

I guess what Peter means is that the fact that the function grabs the
lock is apparent in the code, if sparse was a bit "smarter", it would
see and note this itself.

--
Jens Axboe

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2010-11-23 09:53    [from the cache]
©2003-2011 Jasper Spaans