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In-Reply-To: From: Linus Torvalds Date: Fri, 13 Dec 2019 14:01:10 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: READ_ONCE() + STACKPROTECTOR_STRONG == :/ (was Re: [GIT PULL] Please pull powerpc/linux.git powerpc-5.5-2 tag (topic/kasan-bitops)) To: Arnd Bergmann Content-Type: text/plain; charset="UTF-8" X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch , Will Deacon , Peter Zijlstra , Linux Kernel Mailing List , Christian Borntraeger , Mark Rutland , linuxppc-dev , Daniel Axtens Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Fri, Dec 13, 2019 at 1:33 PM Arnd Bergmann wrote: > > A few hundred randconfig (x86, arm32 and arm64) builds later I > still only found one other instance: Just send me the pull request to READ_ONCE() and WRITE_ONCE() be arithmetic types, and your two trivial fixes, and let's get this over with. With that, you can remove the 'volatile' with my simple 'typeof(0+*(p))' trick, and we're all good, and we don't need to worry about compiler versions either. I'm willing to take that after the merge window as a "sanity fix". Linus