From: Davidlohr Bueso <dave@stgolabs.net>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Daniel Jordan <daniel.m.jordan@oracle.com>,
Alan Tull <atull@kernel.org>,
Alexey Kardashevskiy <aik@ozlabs.ru>,
Alex Williamson <alex.williamson@redhat.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Christoph Lameter <cl@linux.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Moritz Fischer <mdf@kernel.org>,
Paul Mackerras <paulus@ozlabs.org>, Wu Hao <hao.wu@intel.com>,
linux-mm@kvack.org, kvm@vger.kernel.org, kvm-ppc@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-fpga@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/6] mm: change locked_vm's type from unsigned long to atomic64_t
Date: Tue, 2 Apr 2019 16:43:57 -0700 [thread overview]
Message-ID: <20190402234357.tn3tik4r7k6nbrau@linux-r8p5> (raw)
In-Reply-To: <20190402150424.5cf64e19deeafa58fc6c1a9f@linux-foundation.org>
On Tue, 02 Apr 2019, Andrew Morton wrote:
>Also, we didn't remove any down_write(mmap_sem)s from core code so I'm
>thinking that the benefit of removing a few mmap_sem-takings from a few
>obscure drivers (sorry ;)) is pretty small.
afaik porting the remaining incorrect users of locked_vm to pinned_vm was
the next step before this one, which made converting locked_vm to atomic
hardly worth it. Daniel?
Thanks,
Davidlohr
next prev parent reply other threads:[~2019-04-02 23:44 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-02 20:41 [PATCH 0/6] convert locked_vm " Daniel Jordan
2019-04-02 20:41 ` [PATCH 1/6] mm: change locked_vm's type " Daniel Jordan
2019-04-02 22:04 ` Andrew Morton
2019-04-02 23:43 ` Davidlohr Bueso [this message]
2019-04-03 16:07 ` Daniel Jordan
2019-04-03 15:58 ` Daniel Jordan
2019-04-03 4:46 ` Christophe Leroy
2019-04-03 16:09 ` Daniel Jordan
2019-04-11 4:22 ` Alexey Kardashevskiy
2019-04-11 9:55 ` Mark Rutland
2019-04-11 20:28 ` Daniel Jordan
2019-04-16 23:33 ` Andrew Morton
2019-04-22 15:54 ` Daniel Jordan
2019-04-02 20:41 ` [PATCH 2/6] vfio/type1: drop mmap_sem now that locked_vm is atomic Daniel Jordan
2019-04-02 20:41 ` [PATCH 3/6] vfio/spapr_tce: " Daniel Jordan
2019-04-02 20:41 ` [PATCH 4/6] fpga/dlf/afu: " Daniel Jordan
2019-04-02 20:41 ` [PATCH 5/6] powerpc/mmu: " Daniel Jordan
2019-04-03 4:58 ` Christophe Leroy
2019-04-03 16:40 ` Daniel Jordan
2019-04-24 2:15 ` Davidlohr Bueso
2019-04-24 2:31 ` Davidlohr Bueso
2019-04-24 11:10 ` Jason Gunthorpe
2019-04-25 1:47 ` Daniel Jordan
2019-04-02 20:41 ` [PATCH 6/6] kvm/book3s: " Daniel Jordan
2019-04-03 12:51 ` [PATCH 0/6] convert locked_vm from unsigned long to atomic64_t Steven Sistare
2019-04-03 16:52 ` Daniel Jordan
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