Messages in this thread | | | Date | Fri, 1 Jun 2012 11:06:47 +1000 | From | Christopher Yeoh <> | Subject | Re: CROSS_MEMORY_ATTACH default y? |
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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
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