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
WARNING: multiple messages have this Message-ID (diff)
From: Davidlohr Bueso <dave@stgolabs.net>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: kvm@vger.kernel.org, Alan Tull <atull@kernel.org>,
Alexey Kardashevskiy <aik@ozlabs.ru>,
linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org,
kvm-ppc@vger.kernel.org,
Daniel Jordan <daniel.m.jordan@oracle.com>,
linux-mm@kvack.org, Alex Williamson <alex.williamson@redhat.com>,
Moritz Fischer <mdf@kernel.org>, Christoph Lameter <cl@linux.com>,
linuxppc-dev@lists.ozlabs.org, Wu Hao <hao.wu@intel.com>
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
WARNING: multiple messages have this Message-ID (diff)
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, 02 Apr 2019 23:43:57 +0000 [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: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-02 20:41 [PATCH 0/6] convert locked_vm from unsigned long to atomic64_t Daniel Jordan
2019-04-02 20:41 ` Daniel Jordan
2019-04-02 20:41 ` Daniel Jordan
2019-04-02 20:41 ` Daniel Jordan
2019-04-02 20:41 ` [PATCH 1/6] mm: change locked_vm's type " Daniel Jordan
2019-04-02 20:41 ` Daniel Jordan
2019-04-02 20:41 ` Daniel Jordan
2019-04-02 22:04 ` Andrew Morton
2019-04-02 22:04 ` Andrew Morton
2019-04-02 22:04 ` Andrew Morton
2019-04-02 23:43 ` Davidlohr Bueso [this message]
2019-04-02 23:43 ` Davidlohr Bueso
2019-04-02 23:43 ` Davidlohr Bueso
2019-04-03 16:07 ` Daniel Jordan
2019-04-03 16:07 ` Daniel Jordan
2019-04-03 15:58 ` Daniel Jordan
2019-04-03 15:58 ` Daniel Jordan
2019-04-03 15:58 ` Daniel Jordan
2019-04-03 4:46 ` Christophe Leroy
2019-04-03 4:46 ` Christophe Leroy
2019-04-03 16:09 ` Daniel Jordan
2019-04-03 16:09 ` Daniel Jordan
2019-04-03 16:09 ` Daniel Jordan
2019-04-03 16:09 ` Daniel Jordan
2019-04-11 4:22 ` Alexey Kardashevskiy
2019-04-11 4:22 ` Alexey Kardashevskiy
2019-04-11 4:22 ` Alexey Kardashevskiy
2019-04-11 9:55 ` Mark Rutland
2019-04-11 9:55 ` Mark Rutland
2019-04-11 9:55 ` Mark Rutland
2019-04-11 20:28 ` Daniel Jordan
2019-04-11 20:28 ` Daniel Jordan
2019-04-11 20:28 ` Daniel Jordan
2019-04-16 23:33 ` Andrew Morton
2019-04-16 23:33 ` Andrew Morton
2019-04-16 23:33 ` Andrew Morton
2019-04-22 15:54 ` Daniel Jordan
2019-04-22 15:54 ` Daniel Jordan
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
2019-04-02 20:41 ` Daniel Jordan
2019-04-03 4:58 ` Christophe Leroy
2019-04-03 16:40 ` Daniel Jordan
2019-04-03 16:40 ` Daniel Jordan
2019-04-24 2:15 ` Davidlohr Bueso
2019-04-24 2:15 ` Davidlohr Bueso
2019-04-24 2:31 ` Davidlohr Bueso
2019-04-24 11:10 ` Jason Gunthorpe
2019-04-24 11:10 ` Jason Gunthorpe
2019-04-25 1:47 ` Daniel Jordan
2019-04-25 1:47 ` Daniel Jordan
2019-04-02 20:41 ` [PATCH 6/6] kvm/book3s: " Daniel Jordan
2019-04-02 20:41 ` Daniel Jordan
2019-04-02 20:41 ` Daniel Jordan
2019-04-03 12:51 ` [PATCH 0/6] convert locked_vm from unsigned long to atomic64_t Steven Sistare
2019-04-03 12:51 ` Steven Sistare
2019-04-03 12:51 ` Steven Sistare
2019-04-03 16:52 ` Daniel Jordan
2019-04-03 16:52 ` Daniel Jordan
2019-04-03 16:52 ` Daniel Jordan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190402234357.tn3tik4r7k6nbrau@linux-r8p5 \
--to=dave@stgolabs.net \
--cc=aik@ozlabs.ru \
--cc=akpm@linux-foundation.org \
--cc=alex.williamson@redhat.com \
--cc=atull@kernel.org \
--cc=benh@kernel.crashing.org \
--cc=cl@linux.com \
--cc=daniel.m.jordan@oracle.com \
--cc=hao.wu@intel.com \
--cc=kvm-ppc@vger.kernel.org \
--cc=kvm@vger.kernel.org \
--cc=linux-fpga@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=mdf@kernel.org \
--cc=mpe@ellerman.id.au \
--cc=paulus@ozlabs.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.