Re: [Xen-devel] [PATCH v3] Livepatch for ARM 64 and 32.

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Fri, Sep 16, 2016 at 03:45:12PM +0200, Julien Grall wrote:
> 
> 
> On 16/09/2016 15:41, Konrad Rzeszutek Wilk wrote:
> > On Fri, Sep 16, 2016 at 03:35:21PM +0200, Julien Grall wrote:
> > > Hi Konrad,
> > > 
> > > On 11/09/2016 22:35, Konrad Rzeszutek Wilk wrote:
> > > > v2: [http://www.gossamer-threads.com/lists/xen/devel/444461?page=last]
> > > >  - Addressed the two outstanding concerns: CPU bit feature to test 
> > > > alternative
> > > >    test-case, and errata #843419 on some Cortex-A53
> > > 
> > > I am a bit confused. I haven't spotted any specific code for this. How did
> > > you handle it?
> > 
> > livepatch: x86, ARM, alternative: Expose FEATURE_LIVEPATCH
> 
> AFAICT, this only handles this first part (CPU bit feature) not the errata
> #843419. Did I miss anything?

My recollection is (from 
Date: Wed, 31 Aug 2016 15:49:55 +0100
From: Julien Grall <julien.grall@xxxxxxx>
To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, 
xen-devel@xxxxxxxxxxxxxxxxxxxx, konrad@xxxxxxxxxx, ross.lagerwall@xxxxxxxxxx,
        sstabellini@xxxxxxxxxx, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Subject: Re: [PATCH v2] Livepatch for ARM 64 and 32.
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 
Thunderbird/45.2.0
"

">  -  #13 "livepatch: Initial ARM64 support."
>     Need to look in erratum #843419 on some Cortex-A53 and figuring
>     out how to avoid payloads having R_AARCH64_ADR_PREL_PG_HI21 relocations.

I will not considered this has a blocker for this series. Having livepatching
on all the other boards for Xen 4.8 would still be awesome :).
"

So I moved it off to 4.9 list.

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