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Message-ID: <20210127180324.GB1745339@infradead.org> Date: Wed, 27 Jan 2021 18:03:24 +0000 From: Christoph Hellwig <hch@...radead.org> To: Justin Forbes <jforbes@...hat.com> Cc: Greg KH <greg@...ah.com>, Josh Poimboeuf <jpoimboe@...hat.com>, Masahiro Yamada <masahiroy@...nel.org>, Kees Cook <keescook@...omium.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Michal Marek <michal.lkml@...kovi.net>, linux-hardening@...r.kernel.org, Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>, Peter Zijlstra <peterz@...radead.org>, Ondrej Mosnacek <omosnace@...hat.com> Subject: Re: [PATCH RFC] gcc-plugins: Handle GCC version mismatch for OOT modules On Tue, Jan 26, 2021 at 06:44:44AM -0600, Justin Forbes wrote: > Support and enforce are 2 completely different things. To shed a bit > more light on this, the real issue that prompted this was breaking CI > systems. As we enabled gcc plugins in Fedora, and the toolchain folks > went through 3 different snapshots of gcc 11 in a week. Any CI process > that built an out of tree module failed. I don't think this is nearly > as much of a concern for stable distros, as it is for CI in > development cycles. And the answer is trivial: don't build out of tree modules.
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