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On Thu, 11 Mar 2004 05:09:43 +0100, Andi Kleen wrote:
>>From Takashi Iwai
>
>kobj_lookup had a 64bit bug, which caused the request of a unknown
>character device to burn CPU instead of failing quickly.
>
>diff -burpN -X ../KDIFX linux-vanilla/drivers/base/map.c linux-2.6.4-amd64/drivers/base/map.c
>--- linux-vanilla/drivers/base/map.c 2003-09-23 08:03:40.000000000 +0200
>+++ linux-2.6.4-amd64/drivers/base/map.c 2004-03-08 15:23:45.000000000 +0100
>@@ -96,7 +96,7 @@ struct kobject *kobj_lookup(struct kobj_
> {
> struct kobject *kobj;
> struct probe *p;
>- unsigned best = ~0U;
>+ unsigned long best = ~0UL;
>
> retry:
> down_read(domain->sem);
My Athlon64 (FC1/x86_64 user-space) has been having mysterious
module autoloading failures where some modules (char-major-10-$N)
autoloaded just fine, but many ({char,block}-major-$N) did not.
This patch solved that problem.
Thanks Andi.
/Mikael
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