Re: [CRED bug?] 2.6.29-rc3 don't survive on stress workload

[Ingo Molnar <mingo@elte.hu>]

* David Howells <dhowells@redhat.com> wrote:

> Ingo Molnar <mingo@elte.hu> wrote:
> 
> > include/linux/cred.h: In function 'get_cred':
> > include/linux/cred.h:188: warning: passing argument 1 of 'get_new_cred' discards 
> > qualifiers from pointer target type
> 
> This is a known compiler bug in some versions of gcc.  It fails to observe the
> fact that a const pointer is cast to the equivalent non-const pointer in
> get_cred():
> 
> 	static inline const struct cred *get_cred(const struct cred *cred)
> 	{
> 		return get_new_cred((struct cred *) cred);
> 	}

If by 'some versions of gcc' you mean 'gcc 4.2.2' then yes. And in any case
it's a very annoying warning.

	Ingo