linux-kernel - Re: [PATCH v2 17/43] microblaze: Use set_current_blocked() and block

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Date:	Wed, 24 Aug 2011 15:53:06 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Matt Fleming <matt@...sole-pimps.org>
Cc:	monstr@...str.eu, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 17/43] microblaze: Use set_current_blocked() and
	block_sigmask()

On 08/24, Matt Fleming wrote:
>
> On Wed, 2011-08-24 at 10:49 +0200, Michal Simek wrote:
> > > v2 of this patch depends on "[PATCH 01/43] signal: Add block_sigmask()
> > > for adding sigmask to current->blocked" so they need to go through the
> > > same tree but this patch would benefit from some maintainer ACK's.
> >
> > Please add there my ACK to it too.

Thanks Michal.

> > I will add patches 14-16/43 v2 to microblaze next branch keep them
> > for a while. I will propose them to Linus tree for v3.2.
>
> Actually, I just realised this is where it gets a little complicated. If
> you take those 3 patches and they're not in Oleg's tree, [PATCH 17/43]
> doesn't apply cleanly. Fixing 17/43 up so it applies without patches
> 14-16 would result in something like this in handle_signal(),
>
> 	if (!(ka->sa.sa_flags & SA_NODEFER)) {
> 		block_sigmask(ka, sig);
> 	}
> 	return 1;
>
> Which Linus would have to fixup to its original form when he merges the
> two trees. I think all the microblaze patches should go through Oleg's
> tree,

Agreed, this looks simpler.

Michal, unless you object, I am going to add the microblaze changes
(with your acks) to ptrace branch, it already has 01/43 which adds
block_sigmask().

OK?

Oleg.

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