Re: [PATCH v5 00/22] xen/arm64: Add support for 64KB page in Linux

[Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>]

On Fri, Oct 02, 2015 at 09:25:15AM -0400, Boris Ostrovsky wrote:
> 
> 
> On 10/02/2015 05:51 AM, Ian Campbell wrote:
> >(trimming and reordering To/Cc)
> >
> >On Thu, 2015-10-01 at 16:15 +0100, David Vrabel wrote:
> >>On 30/09/15 11:45, Julien Grall wrote:
> >>>Hi all,
> >>>
> >>>ARM64 Linux is supporting both 4KB and 64KB page granularity. Although,
> >>>Xen
> >>>hypercall interface and PV protocol are always based on 4KB page
> >>>granularity.
> >>>
> >>>Any attempt to boot a Linux guest with 64KB pages enabled will result
> >>>to a
> >>>guest crash.
> >>>
> >>>This series is a first attempt to allow those Linux running with the
> >>>current
> >>>hypercall interface and PV protocol.
> >>>
> >>>This solution has been chosen because we want to run Linux 64KB in
> >>>released
> >>>Xen ARM version or/and platform using an old version of Linux DOM0.
> >>Applied to for-linus-4.4, thanks.
> >>
> >>Boris, can you kick off a set of tests for this branch, please?
> >@Boris,
> >
> >Would it be possible to have the results of this test framework posted to
> >the list, like osstest does?
> 
> Not in the way it is currently set up --- we have 7 or 8 test systems and
> each one generates an email with results. It may not be too bad if all tests
> pass but if they fail each email may have as much as 2-3 MB of logs (we
> don't upload them anywhere).
> 
> I could generate a summary of a nightly run but then we have some
> intermittent failures mostly on some older distros (like Fedora 15) that we
> are unlikely to ever look into so that may make things confusing (Yes, the
> question is then -- why do we even bother running it).

Lets kill it. I thought it was Fedora 16 though?

> 
> 
> >
> >@Linux-Maintainers,
> >
> >It occurs to me that osstest doesn't have a branch which is testing your
> >kernel tree. Do you have a fast-forwarding branch in git
> >://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git which merges up some
> >forward looking set of changes? If so I can pretty trivially arrange an
> >osstest branch to track it.
> >
> >(If there isn't a f-forwarding one maybe it would still be worth testing
> >something, it just probably wouldn't get bisected in any useful way if it
> >broke).
> 
> Yes, perhaps have a devel/oss branch that tracks the latest
> devel/for-linus-<version>? David?
> 
> -boris
> 
>