Re: [PATCH] x86/stackprotector: fix build failure with CONFIG_STACKPROTECTOR=n

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On Tue, Mar 11, 2025 at 3:24 PM Oleg Nesterov <oleg@xxxxxxxxxx> wrote:
>
> On 03/11, Borislav Petkov wrote:
> >
> > On Tue, Mar 11, 2025 at 07:10:57PM +0100, Oleg Nesterov wrote:
> > > See the "older binutils?" above ;)
> > >
> > > my toolchain is quite old,
> > >
> > >     $ ld -v
> > >     GNU ld version 2.25-17.fc23
> > >
> > > but according to Documentation/process/changes.rst
> > >
> > >     binutils               2.25             ld -v
> > >
> > > it should be still supported.
> >
> > So your issue happens because of older binutils? Any other ingredient?
>
> Yes, I think so.
>
> > I'd like for the commit message to contain *exactly* what we're fixing here so
> > that anyone who reads this, can know whether this fix is needed on her/his
> > kernel or not...
>
> OK. I'll update the subject/changelog to explain that this is only
> needed for the older binutils and send V2.

With it conditional on CONFIG_STACKPROTECTOR, you can also drop PROVIDES().


Brian Gerst





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