Re: fix rcu annotations noise in cred.h

From: David Howells
Date: Mon Aug 08 2011 - 04:18:40 EST

Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:

> #define current_cred() \
> - (current->cred)
> + (*(__force struct cred **)&current->cred)

No. You've cast away the const. Please don't do that.

Paul: isn't there some better way of doing this using an RCU wrapper macro?

#define current_cred() \
rcu_dereference_protected(current->cred, 1)


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