Re: [PATCH v3 16/16] objtool,x86: Rewrite retpoline thunk calls

From: Fāng-ruì Sòng
Date: Mon Jun 07 2021 - 14:28:59 EST


On Mon, Jun 7, 2021 at 11:19 AM Peter Zijlstra <peterz@xxxxxxxxxxxxx> 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.