Re: [PATCH v7 13/13] xen: introduce a Kconfig option to enable the pvcalls frontend

From: Stefano Stabellini
Date: Mon Oct 30 2017 - 18:14:39 EST


On Mon, 30 Oct 2017, Boris Ostrovsky wrote:
> On 10/30/2017 05:42 PM, Stefano Stabellini wrote:
> > On Mon, 30 Oct 2017, Boris Ostrovsky wrote:
> >> On 10/30/2017 03:48 PM, Stefano Stabellini wrote:
> >>> On Mon, 30 Oct 2017, Boris Ostrovsky wrote:
> >>>> Build warnings (gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1))
> >>> Hi Boris, I am trying to repro the warnings below. I have been
> >>> unsuccessful so far. What system are you using? Fedora? CentOS? Do have
> >>> any specific CFLAGS settings?
> >>
> >> I am on Fedora24, nothing interesting in my environment. For example,
> >>
> >> ostr@workbase> env | grep FLAGS
> >> ostr@workbase>
> >>
> >> I'll send you my config file in a separate email, just in case. Your
> >> patches are on top of
> >>
> >> 0b07194 Linux 4.14-rc7
> >>
> > Thanks! I managed to repro and fix both the x86_64 and x86_32 issues.
> > I sent two patches:
> >
> > https://marc.info/?l=xen-devel&m=150939969002183&w=2
> > https://marc.info/?l=linux-kernel&m=150939962102165
> >
> > But if you prefer that I spin a new pvcalls frontend series, I could
> > also do that.
>
>
> I haven't pushed this anywhere so I think, given that this actually
> fixes a bug (when copy_to/from_iter() fails), it would be better to have
> a clean series in the upstream. So I'd rather have a new spin, sorry ;-(

No problem! I'll send one out shortly.