lkml.org 
[lkml]   [2007]   [Aug]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] trivial - convert "for(foo=0;foo<NR_CPUS;foo++)" to "for_each_possible_cpu(foo)"
Hi Joe,

On 28/08/07, Joe Perches <joe@perches.com> wrote:
> Done via grep/sed and compile tested i386 with xen
>
> Changed the foo++ and ++foo forms
[snip]
> There are 3 more lines that could be modified:
>
> arch/powerpc/sysdev/mpic.c: for (i = 0; i < NR_CPUS; ++i, cpumask >>= 1)

for_each_possible_cpu(i) {
[..]
cpumask >>= 1;
}

> arch/sparc/kernel/smp.c: for (cpu = 0, num = 0; cpu < NR_CPUS; cpu++)

num = 0;
for_each_possible_cpu(cpu) {
[..]
}

> arch/sparc64/kernel/smp.c: for (i = 0; i < NR_CPUS; i++, ptr += size)

for_each_possible_cpu(i) {
[..]
ptr += size;
}

BTW1. There is a huge difference between pre and post incrementation -
have you checked all cases?

BTW2. Could you convert each i -> cpu?

Regards,
Michal

--
LOG
http://www.stardust.webpages.pl/log/
-
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: 2007-08-28 02:17    [W:4.156 / U:0.124 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site