Messages in this thread | | | Date | Thu, 21 Mar 2013 11:21:50 -0600 | From | Jason Gunthorpe <> | Subject | Re: [PATCH] rdma: don't make pages writeable if not requiested |
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On Thu, Mar 21, 2013 at 07:15:25PM +0200, Michael S. Tsirkin wrote:
> No because application does this: > init page > > ... > > after a lot of time > > .. > > register > send > unregister > > so it can not be read only.
mprotect(READONLY) register send unregister mprotect(WRITABLE)
?
With something like GIFT the app already has to give up writing to the pages while they are moving, so changing the protection seems in line with that?
Jason
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