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Date: Mon, 7 Jun 2021 20:47:28 +0200 From: Peter Zijlstra <peterz@...radead.org> To: Fāng-ruì Sòng <maskray@...gle.com> Cc: Nick Desaulniers <ndesaulniers@...gle.com>, Josh Poimboeuf <jpoimboe@...hat.com>, lma@...ihalf.com, Guenter Roeck <groeck@...gle.com>, Juergen Gross <jgross@...e.com>, lb@...ihalf.com, LKML <linux-kernel@...r.kernel.org>, mbenes@...e.com, Radosław Biernacki <rad@...ihalf.com>, upstream@...ihalf.com, "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>, clang-built-linux <clang-built-linux@...glegroups.com>, Nathan Chancellor <nathan@...nel.org>, Sami Tolvanen <samitolvanen@...gle.com> Subject: Re: [PATCH v3 16/16] objtool,x86: Rewrite retpoline thunk calls On Mon, Jun 07, 2021 at 11:27:27AM -0700, Fāng-ruì Sòng wrote: > On Mon, Jun 7, 2021 at 11:19 AM Peter Zijlstra <peterz@...radead.org> wrote: > > > > On Sat, Jun 05, 2021 at 06:58:39PM -0700, Fāng-ruì Sòng wrote: > > > > > You may use https://github.com/llvm/llvm-project/blob/main/llvm/tools/llvm-objcopy/ELF/Object.cpp#L843 > > > as a reference. > > > > BTW, Error::success(), is that a successfull error, or an erroneous > > success? :-)) > > A success (no error). Error::success() is a factory member function. > Its purpose is to create an "unchecked" Error instance and require the > caller to explicitly check for the error state. I got that (see the smily face), but it reads really weird when you're not used to it.
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