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SubjectRe: Linux 4.19 and GCC 9
On Fri, May 17, 2019 at 10:51 AM Greg KH <gregkh@linuxfoundation.org> wrote:
>
> On Fri, May 17, 2019 at 10:35:29AM +0200, Miguel Ojeda wrote:
> > On Fri, May 17, 2019 at 9:38 AM Peter Zijlstra <peterz@infradead.org> wrote:
> > >
> > > Right; if there is anything you can reproduce on linus.git I'll happily
> > > have a look. If it doesn't reproduce all you have to do is find the
> > > patches that make it work and ask Greg.
> >
> > Just to clarify: Linus' master is clean of these issues with GCC 9.1.1.
>
> Great! Care to find the patches that did that work and send me the git
> commit ids so that I can queue them up? I don't have gcc9 here yet on
> my systems, so I can not test for this.

I am unsure about the perf and the objtools parts (Peter/Josh?), but
about the -Wmissing-attributes I cleaned, they were these:

a6e60d84989f ("include/linux/module.h: copy __init/__exit attrs to
init/cleanup_module")
c0d9782f5b6d ("Compiler Attributes: add support for __copy (gcc >= 9)")
ff98e20ef208 ("lib/crc32.c: mark crc32_le_base/__crc32c_le_base
aliases as __pure")

Cheers,
Miguel

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