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Date:   Tue, 22 Mar 2022 22:52:52 +0100
From:   Peter Zijlstra <peterz@infradead.org>
To:     Stephen Rothwell <sfr@canb.auug.org.au>
Cc:     Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>,
        "H. Peter Anvin" <hpa@zytor.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux Next Mailing List <linux-next@vger.kernel.org>
Subject: Re: linux-next: build warnings after merge of the tip tree
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References: <20220322145108.2878ed64@canb.auug.org.au>
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On Tue, Mar 22, 2022 at 02:51:08PM +1100, Stephen Rothwell wrote:
> Hi all,
>=20
> After merging the tip tree, today's linux-next build (x86_64 allmodconfig)
> produced these warnings:
>=20
> WARNING: modpost: EXPORT symbol "device_match_devt" [vmlinux] version ...
> Is "device_match_devt" prototyped in <asm/asm-prototypes.h>?
>=20
> I get thousands like this :-(
>=20
> I don't know what has done this, but there is a new Kbuild and modpost
> change:
>=20
>   2f35e67f621f ("kbuild: Fixup the IBT kbuild changes")

It was; I rebased that commit and asked Boris to regen tip so you should
have it fixed for the next round.