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Date: Mon, 8 Aug 2016 20:53:16 +0200 (CEST) From: Jiri Kosina <jikos@...nel.org> To: Peter Zijlstra <peterz@...radead.org> cc: Linus Torvalds <torvalds@...ux-foundation.org>, Ville Syrj??l?? <ville.syrjala@...ux.intel.com>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, the arch/x86 maintainers <x86@...nel.org>, Borislav Petkov <bp@...e.de>, "H . Peter Anvin" <hpa@...or.com>, Andy Lutomirski <luto@...capital.net>, Brian Gerst <brgerst@...il.com>, Denys Vlasenko <dvlasenk@...hat.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...nel.org> Subject: Re: [PATCH] x86/hweight: Don't clobber %rdi On Mon, 8 Aug 2016, Peter Zijlstra wrote: > > > The caller expects %rdi to remain intact, push+pop it make that happen. > > > > Indeed. Applied, > > See also: > > lkml.kernel.org/r/alpine.LNX.2.00.1608081634530.22028@...bk.fhfr.pm Ville's patch is the proper thing to do; I still think the comments probably should be removed as they might provide more confusion than help, but that's a separate discussion. Thanks, -- Jiri Kosina SUSE Labs
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