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Re: [Qemu-devel] [PATCH] libseccomp: add cacheflush to whitelist
From: |
Andrew Jones |
Subject: |
Re: [Qemu-devel] [PATCH] libseccomp: add cacheflush to whitelist |
Date: |
Wed, 14 Oct 2015 17:14:30 +0200 |
User-agent: |
Mutt/1.5.23.1 (2014-03-12) |
On Wed, Oct 14, 2015 at 04:58:13PM +0200, Eduardo Otubo wrote:
> On Wed, Oct 14, 2015 at 03=25=00PM +0200, Markus Armbruster wrote:
> > Andrew Jones <address@hidden> writes:
> >
> > > On Wed, Oct 14, 2015 at 11:03:37AM +0200, Eduardo Otubo wrote:
> > >> On Tue, Sep 29, 2015 at 11=39=46AM +0200, Eduardo Otubo wrote:
> > >> > On Thu, Sep 24, 2015 at 03=50=04PM +0200, Andrew Jones wrote:
> > >> > > On Thu, Sep 24, 2015 at 11:31:19AM +0200, Eduardo Otubo wrote:
> > >> > > > On Wed, Jul 01, 2015 at 09=12=33AM -0400, Andrew Jones wrote:
> > [...]
> > >> > > > > diff --git a/qemu-seccomp.c b/qemu-seccomp.c
> > >> > > > > index f9de0d3390feb..33644a4e3c3d3 100644
> > >> > > > > --- a/qemu-seccomp.c
> > >> > > > > +++ b/qemu-seccomp.c
> > >> > > > > @@ -237,7 +237,8 @@ static const struct QemuSeccompSyscall
> > >> > > > > seccomp_whitelist[] = {
> > >> > > > > { SCMP_SYS(fadvise64), 240 },
> > >> > > > > { SCMP_SYS(inotify_init1), 240 },
> > >> > > > > { SCMP_SYS(inotify_add_watch), 240 },
> > >> > > > > - { SCMP_SYS(mbind), 240 }
> > >> > > > > + { SCMP_SYS(mbind), 240 },
> > >> > > > > + { SCMP_SYS(cacheflush), 240 },
> > >>
> > >> FYI: I had to fixed this minor mistake (using comma at the end of the
> > >> list) before applying your patch.
> > >
> > > Does that violate a QEMU coding style? Because I actually put it there
> > > on purpose so the next addition wouldn't have to modify the line (by
> > > adding a comma), making git-blame more difficult to use.
> >
> > We have trailing commas all over the place, for precisely the reason you
> > gave. I recommend to put it right back.
> >
>
> Well, that makes a lot of sense. I'll just put it back again and send
> the pull request once more.
>
> ps.: I just thought the guideline said to make sure every commit should
> be "compilable" with no errors, perhaps I saw it somewhere else. Sorry
> for the trouble.
Does your complier complain about that trailing comma? I thought
allowing that was even part of the ANSI C standard.
Thanks,
drew
>
> --
> Eduardo Otubo
> ProfitBricks GmbH