From: Andrew Morton <akpm@linux-foundation.org>
To: Daniel Vetter <daniel@ffwll.ch>
Cc: LKML <linux-kernel@vger.kernel.org>,
"Linux MM" <linux-mm@kvack.org>,
"DRI Development" <dri-devel@lists.freedesktop.org>,
"Intel Graphics Development" <intel-gfx@lists.freedesktop.org>,
"Daniel Vetter" <daniel.vetter@ffwll.ch>,
"Jason Gunthorpe" <jgg@ziepe.ca>,
"Peter Zijlstra" <peterz@infradead.org>,
"Ingo Molnar" <mingo@redhat.com>,
"Michal Hocko" <mhocko@suse.com>,
"David Rientjes" <rientjes@google.com>,
"Christian König" <christian.koenig@amd.com>,
"Jérôme Glisse" <jglisse@redhat.com>,
"Masahiro Yamada" <yamada.masahiro@socionext.com>,
"Wei Wang" <wvw@google.com>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Jann Horn" <jannh@google.com>, "Feng Tang" <feng.tang@intel.com>,
"Kees Cook" <keescook@chromium.org>,
"Randy Dunlap" <rdunlap@infradead.org>,
"Daniel Vetter" <daniel.vetter@intel.com>
Subject: Re: [PATCH 3/4] kernel.h: Add non_block_start/end()
Date: Thu, 22 Aug 2019 16:14:28 -0700 [thread overview]
Message-ID: <20190822161428.c9e4479207386d34745ea111@linux-foundation.org> (raw)
In-Reply-To: <20190820202440.GH11147@phenom.ffwll.local>
On Tue, 20 Aug 2019 22:24:40 +0200 Daniel Vetter <daniel@ffwll.ch> wrote:
> Hi Peter,
>
> Iirc you've been involved at least somewhat in discussing this. -mm folks
> are a bit undecided whether these new non_block semantics are a good idea.
> Michal Hocko still is in support, but Andrew Morton and Jason Gunthorpe
> are less enthusiastic. Jason said he's ok with merging the hmm side of
> this if scheduler folks ack. If not, then I'll respin with the
> preempt_disable/enable instead like in v1.
I became mollified once Michel explained the rationale. I think it's
OK. It's very specific to the oom reaper and hopefully won't be used
more widely(?).
next prev parent reply other threads:[~2019-08-22 23:14 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-20 8:18 [PATCH 0/4] mmu notifier debug annotations/checks Daniel Vetter
2019-08-20 8:18 ` [PATCH 1/4] mm, notifier: Add a lockdep map for invalidate_range_start/end Daniel Vetter
2019-08-20 13:31 ` Jason Gunthorpe
2019-08-20 8:19 ` [PATCH 2/4] mm, notifier: Prime lockdep Daniel Vetter
2019-08-20 13:31 ` Jason Gunthorpe
2019-08-20 8:19 ` [PATCH 3/4] kernel.h: Add non_block_start/end() Daniel Vetter
2019-08-20 20:24 ` Daniel Vetter
2019-08-22 23:14 ` Andrew Morton [this message]
2019-08-23 8:34 ` Daniel Vetter
2019-08-23 12:12 ` Jason Gunthorpe
2019-08-23 12:22 ` Peter Zijlstra
2019-08-23 13:42 ` Daniel Vetter
2019-08-23 14:06 ` Peter Zijlstra
2019-08-23 15:15 ` Daniel Vetter
2019-08-23 8:48 ` Peter Zijlstra
2019-08-20 8:19 ` [PATCH 4/4] mm, notifier: Catch sleeping/blocking for !blockable Daniel Vetter
2019-08-20 13:34 ` Jason Gunthorpe
2019-08-20 15:18 ` Daniel Vetter
2019-08-20 15:27 ` Jason Gunthorpe
2019-08-21 9:34 ` Daniel Vetter
2019-08-21 15:41 ` Daniel Vetter
2019-08-21 16:16 ` Jason Gunthorpe
2019-08-22 8:42 ` Daniel Vetter
2019-08-22 14:24 ` Jason Gunthorpe
2019-08-22 14:27 ` Daniel Vetter
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