* [PATCH] Fix warning in prefetch_range
@ 2004-04-24 23:51 Brian Gerst
2004-04-26 5:08 ` Andrew Morton
0 siblings, 1 reply; 3+ messages in thread
From: Brian Gerst @ 2004-04-24 23:51 UTC (permalink / raw)
To: Andrew Morton; +Cc: lkml
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Fix this warning:
include/linux/prefetch.h: In function `prefetch_range':
include/linux/prefetch.h:62: warning: pointer of type `void *' used in
arithmetic
--
Brian Gerst
[-- Attachment #2: prefetch-1 --]
[-- Type: text/plain, Size: 429 bytes --]
diff -urN linux-2.6.5-rc1-bk/include/linux/prefetch.h linux/include/linux/prefetch.h
--- linux-2.6.5-rc1-bk/include/linux/prefetch.h 2004-04-14 23:53:11.000000000 -0400
+++ linux/include/linux/prefetch.h 2004-04-16 11:12:25.840194048 -0400
@@ -59,7 +59,7 @@
{
#ifdef ARCH_HAS_PREFETCH
char *cp;
- char *end = addr + len;
+ char *end = (char *)addr + len;
for (cp = addr; cp < end; cp += PREFETCH_STRIDE)
prefetch(cp);
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] Fix warning in prefetch_range
2004-04-24 23:51 [PATCH] Fix warning in prefetch_range Brian Gerst
@ 2004-04-26 5:08 ` Andrew Morton
2004-04-26 12:30 ` Brian Gerst
0 siblings, 1 reply; 3+ messages in thread
From: Andrew Morton @ 2004-04-26 5:08 UTC (permalink / raw)
To: Brian Gerst; +Cc: linux-kernel
Brian Gerst <bgerst@didntduck.org> wrote:
>
> Fix this warning:
> include/linux/prefetch.h: In function `prefetch_range':
> include/linux/prefetch.h:62: warning: pointer of type `void *' used in
> arithmetic
>
eh? That's a gcc extension which has worked silently since forever.
What compiler version is generating the warning?
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] Fix warning in prefetch_range
2004-04-26 5:08 ` Andrew Morton
@ 2004-04-26 12:30 ` Brian Gerst
0 siblings, 0 replies; 3+ messages in thread
From: Brian Gerst @ 2004-04-26 12:30 UTC (permalink / raw)
To: Andrew Morton; +Cc: Brian Gerst, linux-kernel
Andrew Morton wrote:
> Brian Gerst <bgerst@didntduck.org> wrote:
>
>>Fix this warning:
>>include/linux/prefetch.h: In function `prefetch_range':
>>include/linux/prefetch.h:62: warning: pointer of type `void *' used in
>>arithmetic
>>
>
>
> eh? That's a gcc extension which has worked silently since forever.
>
> What compiler version is generating the warning?
>
gcc (GCC) 3.3.3 20040412 (Red Hat Linux 3.3.3-7)
I saw the warning when compiling the nvidia driver, which uses
-Wpointer-arith. I'll drop that switch instead.
--
Brian Gerst
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2004-04-26 12:29 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2004-04-24 23:51 [PATCH] Fix warning in prefetch_range Brian Gerst
2004-04-26 5:08 ` Andrew Morton
2004-04-26 12:30 ` Brian Gerst
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