Re: [PATCH 2/3] thread_info: factor out restart_block
From: Mark Rutland
Date: Mon Oct 24 2016 - 05:46:18 EST
On Wed, Oct 19, 2016 at 04:31:02PM -0700, Andy Lutomirski wrote:
> On Wed, Oct 19, 2016 at 11:28 AM, Mark Rutland <mark.rutland@xxxxxxx> wrote:
> > Since commit f56141e3e2d9aabf ("all arches, signal: move restart_block
> > to struct task_struct"), thread_info and restart_block have been
> > logically distinct, yet struct restart_block is still defined in
> > <linux/thread_info.h>.
> >
> > At least one architecture (erroneously) uses restart_block as part of
> > its thread_info, and thus the definition of restart_block must come
> > before the include of <asm/thread_info>. Subsequent patches in this
> > series need to shuffle the order of includes and definitions in
> > <linux/thread_info.h>, and will make this ordering fragile.
> >
> > This patch moves the definition of restart_block out to its own header.
> > This serves as generic cleanup, logically separating thread_info and
> > restart_block, and also makes it easier to avoid fragility.
>
> Looks entirely reasonable to me.
>
> Reviewed-by: Andy Lutomirski <luto@xxxxxxxxxx>
Thanks, that's much appreciated.
Now that Heiko's patch is in -rc2 I'd like to be able to put these two
patches into a stable branch.
Before I do that, would you also be happy to ack/review patch 3?
Thanks,
Mark.