From: Christopher Yeoh <cyeoh@au1.ibm.com>
To: Borislav Petkov <bp@amd64.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: CROSS_MEMORY_ATTACH default y?
Date: Fri, 1 Jun 2012 11:06:47 +1000 [thread overview]
Message-ID: <20120601110647.2c446aa7@rockpopper> (raw)
In-Reply-To: <20120531154224.GL14515@aftab.osrc.amd.com>
On Thu, 31 May 2012 17:42:24 +0200
Borislav Petkov <bp@amd64.org> wrote:
> + LKML.
>
> On Thu, May 31, 2012 at 05:35:12PM +0200, Borislav Petkov wrote:
> > Hi,
> >
> > can you please explain why CROSS_MEMORY_ATTACH is default y? Why
> > should those process_vm_{readv,writev} syscalls be enabled by
> > default?
There was a bit of a discussion at the time I submitted the patch:
https://lkml.org/lkml/2012/4/23/606
Basically CMA had been in for a while already in a released kernel
before I submitted a patch to allow it to be disabled. So the patch
preserves existing behaviour.
Regards,
Chris
--
cyeoh@au1.ibm.com
next prev parent reply other threads:[~2012-06-01 1:07 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20120531153512.GK14515@aftab.osrc.amd.com>
2012-05-31 15:42 ` CROSS_MEMORY_ATTACH default y? Borislav Petkov
2012-06-01 1:06 ` Christopher Yeoh [this message]
2012-06-05 11:05 ` [PATCH] CMA: Do no enable it by default Borislav Petkov
2012-06-05 16:46 ` Linus Torvalds
2012-06-05 17:09 ` Borislav Petkov
2012-06-05 18:03 ` [PATCH -v2] " Borislav Petkov
2012-06-06 1:24 ` [PATCH] " Christopher Yeoh
2012-06-06 12:59 ` Borislav Petkov
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