Re: [Xen-devel] [PATCH for-4.5 v12 0/3] Refactoring for future mem_event and mem_access support on ARM

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Thu, 2014-10-02 at 11:50 -0400, Konrad Rzeszutek Wilk wrote:
> On Wed, Oct 01, 2014 at 11:59:07AM +0100, Ian Campbell wrote:
> > On Mon, 2014-09-29 at 17:55 +0200, Tamas K Lengyel wrote:
> > > These patches are the refactoring and minor patches that will be required
> > > for future mem_access support on ARM that could be merged now.
> > 
> > Needs a release exception.
> > 
> > Konrad,
> > 
> > We'd like to get some of these into 4.5 so as to ease life for people
> > who want to backport ARM xenaccess and/or continue developing it for
> > 4.6.
> 
> Right.
> > 
> > I'm in favour of only "xen/xsm: Wrap mem_access blocks into
> > HAS_MEM_ACCESS ifdefs" and "xen/arm: Add p2m_set_permission and
> > p2m_shatter_page helpers." for now IMO, the new hypercall can/should
> > wait and come along with the user in 4.6.
> 
> OK.
> > 
> > Those two patches are a slight refactoring and a refactoring+ifdeffing
> > (refactorings/movements painful to rebase without introducing errors).
> > IMHO if they build then the risk of other regressions is slight.
> 
> Release-Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Thanks. I applied the p2m_set_perms one. Turns out the HAS_MEM_ACCESS
one was already in courtesy of Jan.

Ian.



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