linux-security-module.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Kees Cook <keescook@chromium.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	David Hildenbrand <david@redhat.com>,
	linux-kernel@vger.kernel.org, x86@kernel.org,
	linux-alpha@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org,
	linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	sparclinux@vger.kernel.org, linux-um@lists.infradead.org,
	etnaviv@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
	linux-samsung-soc@vger.kernel.org, linux-rdma@vger.kernel.org,
	linux-media@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-mm@kvack.org, linux-perf-users@vger.kernel.org,
	linux-security-module@vger.kernel.org,
	linux-kselftest@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Jason Gunthorpe <jgg@ziepe.ca>,
	John Hubbard <jhubbard@nvidia.com>, Peter Xu <peterx@redhat.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Hugh Dickins <hughd@google.com>, Nadav Amit <namit@vmware.com>,
	Vlastimil Babka <vbabka@suse.cz>,
	Matthew Wilcox <willy@infradead.org>,
	Mike Kravetz <mike.kravetz@oracle.com>,
	Muchun Song <songmuchun@bytedance.com>,
	Shuah Khan <shuah@kernel.org>,
	Lucas Stach <l.stach@pengutronix.de>,
	David Airlie <airlied@gmail.com>,
	Oded Gabbay <ogabbay@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
	Christoph Hellwig <hch@infradead.org>,
	Alex Williamson <alex.williamson@redhat.com>,
	Oleg Nesterov <oleg@redhat.com>,
	Richard Henderson <richard.henderson@linaro.org>,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	Matt Turner <mattst88@gmail.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Nicholas Piggin <npiggin@gmail.com>,
	Christophe Leroy <christophe.leroy@csgroup.eu>,
	"David S. Miller" <davem@davemloft.net>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Richard Weinberger <richard@nod.at>,
	Anton Ivanov <anton.ivanov@cambridgegreys.com>,
	Johannes Berg <johannes@sipsolutions.net>,
	Eric Biederman <ebiederm@xmission.com>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
	Kentaro Takeda <takedakn@nttdata.co.jp>,
	Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
	Paul Moore <paul@paul-moore.com>,
	James Morris <jmorris@namei.org>,
	"Serge E. Hallyn" <serge@hallyn.com>
Subject: Re: [PATCH mm-unstable v1 20/20] mm: rename FOLL_FORCE to FOLL_PTRACE
Date: Fri, 18 Nov 2022 14:29:02 -0800	[thread overview]
Message-ID: <202211181427.4D1C3132FE@keescook> (raw)
In-Reply-To: <Y3dnzgwJpjTQXI9y@hirez.programming.kicks-ass.net>

On Fri, Nov 18, 2022 at 12:09:02PM +0100, Peter Zijlstra wrote:
> On Wed, Nov 16, 2022 at 10:16:34AM -0800, Linus Torvalds wrote:
> > Following the history of it is a big of a mess, because there's a
> > number of renamings and re-organizations, but it seems to go back to
> > 2007 and commit b6a2fea39318 ("mm: variable length argument support").
> 
> I went back and read parts of the discussions with Ollie, and the
> .force=1 thing just magically appeared one day when we were sending
> work-in-progress patches back and forth without mention of where it came
> from :-/
> 
> And I certainly can't remember now..
> 
> Looking at it now, I have the same reaction as both you and Kees had, it
> seems entirely superflous. So I'm all for trying to remove it.

Thanks for digging through the history! I've pushed the change to -next:
https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git/commit/?h=for-next/execve&id=cd57e443831d8eeb083c7165bce195d886e216d4

-- 
Kees Cook

      reply	other threads:[~2022-11-18 22:29 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-16 10:26 [PATCH mm-unstable v1 00/20] mm/gup: remove FOLL_FORCE usage from drivers (reliable R/O long-term pinning) David Hildenbrand
2022-11-16 10:26 ` [PATCH mm-unstable v1 01/20] selftests/vm: anon_cow: prepare for non-anonymous COW tests David Hildenbrand
2022-11-18 16:20   ` Vlastimil Babka
2022-11-16 10:26 ` [PATCH mm-unstable v1 02/20] selftests/vm: cow: basic COW tests for non-anonymous pages David Hildenbrand
2022-11-16 10:26 ` [PATCH mm-unstable v1 03/20] selftests/vm: cow: R/O long-term pinning reliability tests for non-anon pages David Hildenbrand
2022-11-16 10:26 ` [PATCH mm-unstable v1 04/20] mm: add early FAULT_FLAG_UNSHARE consistency checks David Hildenbrand
2022-11-18 16:45   ` Vlastimil Babka
2022-11-16 10:26 ` [PATCH mm-unstable v1 05/20] mm: add early FAULT_FLAG_WRITE " David Hildenbrand
2022-11-18 17:03   ` Vlastimil Babka
2022-11-16 10:26 ` [PATCH mm-unstable v1 06/20] mm: rework handling in do_wp_page() based on private vs. shared mappings David Hildenbrand
2022-11-22 14:20   ` Vlastimil Babka
2022-11-16 10:26 ` [PATCH mm-unstable v1 07/20] mm: don't call vm_ops->huge_fault() in wp_huge_pmd()/wp_huge_pud() for private mappings David Hildenbrand
2022-11-22 14:50   ` Vlastimil Babka
2022-11-16 10:26 ` [PATCH mm-unstable v1 08/20] mm: extend FAULT_FLAG_UNSHARE support to anything in a COW mapping David Hildenbrand
2022-11-22 15:35   ` Vlastimil Babka
2022-11-16 10:26 ` [PATCH mm-unstable v1 09/20] mm/gup: reliable R/O long-term pinning in COW mappings David Hildenbrand
2022-11-16 10:42   ` Daniel Vetter
2022-11-22 16:29   ` Vlastimil Babka
2022-11-24  1:29   ` John Hubbard
2022-11-16 10:26 ` [PATCH mm-unstable v1 10/20] RDMA/umem: remove FOLL_FORCE usage David Hildenbrand
2022-11-17  0:45   ` Jason Gunthorpe
2022-11-16 10:26 ` [PATCH mm-unstable v1 11/20] RDMA/usnic: " David Hildenbrand
2022-11-17  0:45   ` Jason Gunthorpe
2022-11-16 10:26 ` [PATCH mm-unstable v1 12/20] RDMA/siw: " David Hildenbrand
2022-11-17  0:46   ` Jason Gunthorpe
2022-11-16 10:26 ` [PATCH mm-unstable v1 13/20] media: videobuf-dma-sg: " David Hildenbrand
2022-11-16 10:48   ` Daniel Vetter
2022-11-23 13:17   ` Hans Verkuil
2022-11-16 10:26 ` [PATCH mm-unstable v1 14/20] drm/etnaviv: " David Hildenbrand
2022-11-16 10:49   ` Daniel Vetter
2022-11-16 10:26 ` [PATCH mm-unstable v1 15/20] media: pci/ivtv: " David Hildenbrand
2022-11-23 13:18   ` Hans Verkuil
2022-11-16 10:26 ` [PATCH mm-unstable v1 16/20] mm/frame-vector: " David Hildenbrand
2022-11-16 10:50   ` Daniel Vetter
2022-11-23 13:26   ` Hans Verkuil
2022-11-23 14:28     ` Hans Verkuil
2022-11-27 10:35   ` David Hildenbrand
2022-11-28  8:17     ` Hans Verkuil
2022-11-28  8:18       ` David Hildenbrand
2022-11-28  8:26         ` Hans Verkuil
2022-11-28  8:57         ` Tomasz Figa
2022-11-28 22:59         ` Andrew Morton
2022-11-29  8:48           ` David Hildenbrand
2022-11-29  9:08             ` Hans Verkuil
2022-11-29  9:15               ` David Hildenbrand
2022-11-16 10:26 ` [PATCH mm-unstable v1 17/20] drm/exynos: " David Hildenbrand
2022-11-16 10:50   ` Daniel Vetter
2022-11-16 10:26 ` [PATCH mm-unstable v1 18/20] RDMA/hw/qib/qib_user_pages: " David Hildenbrand
2022-11-16 10:26 ` [PATCH mm-unstable v1 19/20] habanalabs: " David Hildenbrand
2022-11-16 10:26 ` [PATCH mm-unstable v1 20/20] mm: rename FOLL_FORCE to FOLL_PTRACE David Hildenbrand
2022-11-16 18:16   ` Linus Torvalds
2022-11-16 18:53     ` David Hildenbrand
2022-11-17 22:58     ` Kees Cook
2022-11-17 23:20       ` Linus Torvalds
2022-11-18  0:31         ` Kees Cook
2022-11-18 11:09     ` Peter Zijlstra
2022-11-18 22:29       ` Kees Cook [this message]

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=202211181427.4D1C3132FE@keescook \
    --to=keescook@chromium.org \
    --cc=aarcange@redhat.com \
    --cc=acme@kernel.org \
    --cc=airlied@gmail.com \
    --cc=akpm@linux-foundation.org \
    --cc=alex.williamson@redhat.com \
    --cc=alexander.shishkin@linux.intel.com \
    --cc=anton.ivanov@cambridgegreys.com \
    --cc=arnd@arndb.de \
    --cc=bp@alien8.de \
    --cc=catalin.marinas@arm.com \
    --cc=christophe.leroy@csgroup.eu \
    --cc=dave.hansen@linux.intel.com \
    --cc=davem@davemloft.net \
    --cc=david@redhat.com \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=ebiederm@xmission.com \
    --cc=etnaviv@lists.freedesktop.org \
    --cc=gregkh@linuxfoundation.org \
    --cc=hch@infradead.org \
    --cc=hpa@zytor.com \
    --cc=hughd@google.com \
    --cc=ink@jurassic.park.msu.ru \
    --cc=jgg@ziepe.ca \
    --cc=jhubbard@nvidia.com \
    --cc=jmorris@namei.org \
    --cc=johannes@sipsolutions.net \
    --cc=jolsa@kernel.org \
    --cc=l.stach@pengutronix.de \
    --cc=linux-alpha@vger.kernel.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-ia64@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-kselftest@vger.kernel.org \
    --cc=linux-media@vger.kernel.org \
    --cc=linux-mips@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=linux-perf-users@vger.kernel.org \
    --cc=linux-rdma@vger.kernel.org \
    --cc=linux-samsung-soc@vger.kernel.org \
    --cc=linux-security-module@vger.kernel.org \
    --cc=linux-um@lists.infradead.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=mark.rutland@arm.com \
    --cc=mattst88@gmail.com \
    --cc=mike.kravetz@oracle.com \
    --cc=mingo@redhat.com \
    --cc=mpe@ellerman.id.au \
    --cc=namhyung@kernel.org \
    --cc=namit@vmware.com \
    --cc=npiggin@gmail.com \
    --cc=ogabbay@kernel.org \
    --cc=oleg@redhat.com \
    --cc=paul@paul-moore.com \
    --cc=penguin-kernel@i-love.sakura.ne.jp \
    --cc=peterx@redhat.com \
    --cc=peterz@infradead.org \
    --cc=richard.henderson@linaro.org \
    --cc=richard@nod.at \
    --cc=serge@hallyn.com \
    --cc=shuah@kernel.org \
    --cc=songmuchun@bytedance.com \
    --cc=sparclinux@vger.kernel.org \
    --cc=takedakn@nttdata.co.jp \
    --cc=tglx@linutronix.de \
    --cc=torvalds@linux-foundation.org \
    --cc=tsbogend@alpha.franken.de \
    --cc=vbabka@suse.cz \
    --cc=viro@zeniv.linux.org.uk \
    --cc=will@kernel.org \
    --cc=willy@infradead.org \
    --cc=x86@kernel.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).