On 23-Feb-02 John Baldwin wrote:
> I'm currently testing the following patch whcih is a subset of the td_ucred
> changes.  It involves no API changes, but only contains 2 basic changes:
> 1) We still need Giant when doing the crhold() to set td_ucred in
>    cred_update_thread().  This is an old bug that is my fault.  I knew that
>    PROC_LOCK was sufficient yet which was my reason for not using td_ucred. 
>    However, we could still be derferencing a stale p_ucred and doing very bad
>    things, so this needs to be fixed until p_ucred is fully protected by the
>    PROC_LOCK.  This also means that td_ucred is now safe to use.  As such:
> 2) All the "easy" p->p_ucred -> td->td_ucred changes that don't involve the
>    changes to API's such as suser() and p_canfoo().  The next patch in this
>    series will most likely be the suser() API change.
> http://www.FreeBSD.org/~jhb/patches/ucred.patch

To apply this patch, use -p6 like so:

cd work/my/kernel/tree/sys
patch -p6 < path/to/patch/file/ucred.patch


John Baldwin <[EMAIL PROTECTED]>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-current" in the body of the message

Reply via email to