On Mon, Apr 22, 2013 at 03:36:16PM +0100, Russell King - ARM Linux wrote: > On Fri, Apr 19, 2013 at 05:54:35PM +0200, André Hentschel wrote: > > From: =?UTF-8?q?Andr=C3=A9=20Hentschel?= <n...@dawncrow.de> > > > > There are more and more applications coming to WinRT, Wine could support > > them, > > but mostly they expect to have the thread environment block (TEB) in > > TPIDRURW. > > This register must be preserved per thread instead of being cleared. > > > > Signed-off-by: André Hentschel <n...@dawncrow.de> > > This actually makes things less efficient all round, because you > now use the value immediately after loading, which means it will cause > pipeline stalls, certainly on older CPUs. > > Could you please rework the patch to try avoiding soo many modifications > to the way things have been done here?
copy_thread also needs updating so that the *register* value for the parent is copied to the child, since the parent may have written the register after the last context-switch, meaning that tp_value is out-of-date. Will -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
