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SubjectRe: [PATCH] perf tools: Replace zero-length array with flexible-array
On Tue, May 12, 2020 at 10:59 AM Gustavo A. R. Silva
<gustavoars@kernel.org> wrote:
>
> On Tue, May 12, 2020 at 10:06:07AM +0200, Peter Zijlstra wrote:
> > On Mon, May 11, 2020 at 07:04:04PM -0500, Gustavo A. R. Silva wrote:
> > > On Mon, May 11, 2020 at 05:20:08PM -0300, Arnaldo Melo wrote:
> > > >
> > > > Thanks, applied
> > > >
> > >
> > > Thanks, Arnaldo.
> > >
> > > I wonder if could also take the other two:
> > >
> > > https://lore.kernel.org/lkml/20200511200911.GA13149@embeddedor/
> > > https://lore.kernel.org/lkml/20200511201227.GA14041@embeddedor/
> >
> > I think I have those, but let me make sure.
>
> Great. :)


Thanks for the cleanup! It has yielded a clang compiler warning/error
for me in kernel/git/acme/linux.git branch perf/core:

util/intel-pt.c:1802:24: error: field 'br_stack' with variable sized
type 'struct branch_stack' not
at the end of a struct or class is a GNU extension
[-Werror,-Wgnu-variable-sized-type-not-at-end]
struct branch_stack br_stack;

I think this can be resolved by reordering the members of the struct,
and may have been a latent bug exposed by this change. It's
unfortunate it has broken this build.

Thanks,
Ian

> Thanks
> --
> Gustavo
>

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