lkml.org 
[lkml]   [2012]   [Mar]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC PATCH 5/6] implement per-cpu&per-domain state machine call_srcu()
From
Date
On Thu, 2012-03-08 at 11:49 -0800, Paul E. McKenney wrote:
>
> I too have used (long)(a - b) for a long time, but I saw with my own eyes
> the glee in the compiler-writers' eyes when they discussed signed overflow
> being undefined in the C standard. I believe that the reasons for signed
> overflow being undefined are long obsolete, but better safe than sorry.

Thing is, if they break that the whole kernel comes falling down, I
really wouldn't worry about RCU at that point. But to each their
pet-paranoia I guess ;-)


\
 
 \ /
  Last update: 2012-03-12 18:29    [W:0.077 / U:1.452 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site