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Date: Mon, 25 Feb 2019 12:55:21 +0100 From: Peter Zijlstra <peterz@...radead.org> To: Julien Thierry <julien.thierry@....com> Cc: Thomas Gleixner <tglx@...utronix.de>, Linus Torvalds <torvalds@...ux-foundation.org>, "H. Peter Anvin" <hpa@...or.com>, Will Deacon <will.deacon@....com>, Andy Lutomirski <luto@...capital.net>, Ingo Molnar <mingo@...nel.org>, Linux List Kernel Mailing <linux-kernel@...r.kernel.org>, "linux-alpha@...r.kernel.org" <linux-arm-kernel@...ts.infradead.org>, Ingo Molnar <mingo@...hat.com>, Catalin Marinas <catalin.marinas@....com>, James Morse <james.morse@....com>, valentin.schneider@....com, Brian Gerst <brgerst@...il.com>, Josh Poimboeuf <jpoimboe@...hat.com>, Andrew Lutomirski <luto@...nel.org>, Borislav Petkov <bp@...en8.de>, Denys Vlasenko <dvlasenk@...hat.com> Subject: Re: [RFC][PATCH] objtool: STAC/CLAC validation On Mon, Feb 25, 2019 at 08:33:35AM +0000, Julien Thierry wrote: > > It has an AC_SAFE(func) annotation which allows marking specific > > functions as safe to call. The patch includes 2 instances which were > > required to make arch/x86 'build': > I haven't looked at all the details. But could the annotation be called > UACCESS_SAFE() (and corresponding naming in the objtool checks)? Since > this is not an x86 only issue and the AC flags only exists for x86. Sure that works. Lemme sed the patches.
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