[lkml]   [2007]   [Jul]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: block/bsg.c
Andrew Morton wrote:
> Yup, but the concern (from Al, iirc) was that someone could change the code
> later on, add a new bug and have that bug hidden by the unneeded
> initialisation.


That's why #gccbug went the safe route, took the cost of extra
instructions, and initialized it to zero.

> uninitialized_var() has the advantage that it generates no code, whereas "=
> 0" often adds instructions. Plus of course it is self-documenting, greppable-for
> and centrally alterable.



To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2007-07-17 03:15    [W:0.066 / U:7.396 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site