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Re: [PATCH] xen: always consider '/' as a division in assembly
- To: Bertrand Marquis <Bertrand.Marquis@xxxxxxx>
- From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Date: Tue, 10 Feb 2026 16:55:50 +0100
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>
- Delivery-date: Tue, 10 Feb 2026 15:56:00 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Tue, Feb 10, 2026 at 03:44:33PM +0000, Bertrand Marquis wrote:
> Hi Roger,
>
> > On 10 Feb 2026, at 16:11, Roger Pau Monne <roger.pau@xxxxxxxxxx> wrote:
> >
> > GNU assembler will consider '/' as the start of comment marker on some
> > platforms. This is incorrect with Xen's usage, which does use '/' in
> > assembly files as a mathematical operator.
> >
> > The behavior of the assembler can be altered by passing the --divide
> > option; unconditionally pass this option when available to force the
> > expected behavior.
>
> This is solving the issue and I can build for arm with what and further
> for x86 on mac os but it fails on check-endbr.sh:
>
> /bin/sh ../tools/check-endbr.sh xen-syms
> stat: illegal option -- c
Yeah, I know. I've fixed the stat issue, but there's a further one
about an illegal bit sequence in grep. I'm looking into that.
Thanks, Roger.
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