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Bottomley" , Helge Deller , linux-parisc@vger.kernel.org Subject: Re: [PATCH 07/12] percpu: #ifndef __SIZEOF_INT128__ Message-ID: <20230531155015.GB428966@hirez.programming.kicks-ass.net> References: <20230531130833.635651916@infradead.org> <20230531132323.722039569@infradead.org> <70a69deb-7ad4-45b2-8e13-34955594a7ce@app.fastmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <70a69deb-7ad4-45b2-8e13-34955594a7ce@app.fastmail.com> X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 58A36180022 X-Stat-Signature: umakemsqnzfggb7gf7ajsassse5dzyxb X-HE-Tag: 1685548255-535934 X-HE-Meta: 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 OpdYFyzs qcdR/lpUbBHQ90oIQEofwZBs/JfibSMPrLjicxLj9UBxTvDdzUBPWPHOblVOij4PerwGfBc3Xch3kVMNSBUZdnB3VVZL/So5HP3VQv0FFPBJwArF/VgCD7GLrprWWqJIXPFeGt0EkyNU5AoyHwS/oyWErtpUfPfSF+I3SADCnpvgJr5BIQPXMmtS5F3Un+kATvQY4PfX5smDYq8mGf0cCGVYH6YtJZS1UV6/DqaNlMoyWp3EIaN2wdZONBETgfh+VGbfcApUCNDEAXahlZz7F2DzyDQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, May 31, 2023 at 04:21:22PM +0200, Arnd Bergmann wrote: > On Wed, May 31, 2023, at 15:08, Peter Zijlstra wrote: > > Some 64bit architectures do not advertise __SIZEOF_INT128__ on all > > supported compiler versions. Notably the HPPA64 only started doing > > with GCC-11. > > I checked the other compilers to be sure that anything else > we support (gcc-5.1 and up) across all 64-bit architectures > does support int128. Oh excellent -- I didn't have sufficient old cross compilers to verify, hence me not doing what you suggest below. If HPPA64 really is the only one so affected, then yes, I can move this hack into arch/parisc.