linux-kernel - Re: [PATCH 3/4] kernel.h: Add non_block

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Message-ID: <CAKMK7uFM0JLqJ7y9F8ybvYx+o4+2S+guaV-MaBQyyik3F0vNiQ@mail.gmail.com>
Date:   Fri, 23 Aug 2019 17:15:37 +0200
From:   Daniel Vetter <daniel@...ll.ch>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Jason Gunthorpe <jgg@...pe.ca>,
        Andrew Morton <akpm@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux MM <linux-mm@...ck.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        Intel Graphics Development <intel-gfx@...ts.freedesktop.org>,
        Ingo Molnar <mingo@...hat.com>, Michal Hocko <mhocko@...e.com>,
        David Rientjes <rientjes@...gle.com>,
        Christian König <christian.koenig@....com>,
        Jérôme Glisse <jglisse@...hat.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Wei Wang <wvw@...gle.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jann Horn <jannh@...gle.com>, Feng Tang <feng.tang@...el.com>,
        Kees Cook <keescook@...omium.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        Daniel Vetter <daniel.vetter@...el.com>
Subject: Re: [PATCH 3/4] kernel.h: Add non_block_start/end()

On Fri, Aug 23, 2019 at 4:06 PM Peter Zijlstra <peterz@...radead.org> wrote:
> On Fri, Aug 23, 2019 at 03:42:47PM +0200, Daniel Vetter wrote:
> > I'm assuming the lockdep one will land, so not going to resend that.
>
> I was assuming you'd wake the might_lock_nested() along with the i915
> user through the i915/drm tree. If want me to take some or all of that,
> lemme know.

might_lock_nested() is a different patch series, that one will indeed
go in through the drm/i915 tree, thx for the ack there. What I meant
here is some mmu notifier lockdep map in this series that Jason said
he's going to pick up into hmm.git. I'm doing about 3 or 4 different
lockdep annotations series in parallel right now :-)
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch