On Fri, 28 Sep 2007 08:31:44 +0200 Jarek Poplawski <[EMAIL PROTECTED]> wrote:
> On Thu, Sep 27, 2007 at 04:33:55PM +0200, [EMAIL PROTECTED] wrote: > > [PATCH 01/02] > > > > > > This is a patch that fixes the way idr_find() used to be called in > > ipc_lock(): > > in all the paths that don't imply an update of the ipcs idr, it was called > > without the idr tree being locked. > > > > The changes are: > > . in ipc_ids, the mutex has been changed into a reader/writer semaphore. > > . ipc_lock() now takes the mutex as a reader during the idr_find(). > > . a new routine ipc_lock_down() has been defined: it doesn't take the > > mutex, assuming that it is being held by the caller. This is the routine > > that is now called in all the update paths. > > > > > > Signed-off-by: Nadia Derbey <[EMAIL PROTECTED]> > > Acked-by: Jarek Poplawski <[EMAIL PROTECTED]> thanks. > PS: there is one big mistake around To/Cc ordering, so I doubt Andrew > will ever sign this... Noe, I received and applied it earlier today. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
