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Date:   Fri, 23 Oct 2020 12:25:15 +0100
From:   Will Deacon <will@kernel.org>
To:     Christophe Leroy <christophe.leroy@csgroup.eu>
Cc:     Dmitry Safonov <0x7f454c46@gmail.com>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>, nathanl@linux.ibm.com,
        linux-arch <linux-arch@vger.kernel.org>,
        Arnd Bergmann <arnd@arndb.de>,
        open list <linux-kernel@vger.kernel.org>,
        Andy Lutomirski <luto@kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Vincenzo Frascino <vincenzo.frascino@arm.com>,
        linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v8 2/8] powerpc/vdso: Remove __kernel_datapage_offset and
 simplify __get_datapage()
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On Fri, Oct 23, 2020 at 01:22:04PM +0200, Christophe Leroy wrote:
> Hi Dmitry,
> 
> Le 28/09/2020 ? 17:08, Dmitry Safonov a ?crit?:
> > On 9/27/20 8:43 AM, Christophe Leroy wrote:
> > > 
> > > 
> > > Le 21/09/2020 ? 13:26, Will Deacon a ?crit?:
> > > > On Fri, Aug 28, 2020 at 12:14:28PM +1000, Michael Ellerman wrote:
> > > > > Dmitry Safonov <0x7f454c46@gmail.com> writes:
> > [..]
> > > > > > I'll cook a patch for vm_special_mapping if you don't mind :-)
> > > > > 
> > > > > That would be great, thanks!
> > > > 
> > > > I lost track of this one. Is there a patch kicking around to resolve
> > > > this,
> > > > or is the segfault expected behaviour?
> > > > 
> > > 
> > > IIUC dmitry said he will cook a patch. I have not seen any patch yet.
> > 
> > Yes, sorry about the delay - I was a bit busy with xfrm patches.
> > 
> > I'll send patches for .close() this week, working on them now.
> 
> I haven't seen the patches, did you sent them out finally ?

I think it's this series:

https://lore.kernel.org/r/20201013013416.390574-1-dima@arista.com

but they look really invasive to me, so I may cook a small hack for arm64
in the meantine / for stable.

Will