linux-kernel - Re: [RFC][PATCH 6/6] objtool,x86: Rewrite retpoline thunk calls

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Message-ID: <20210221095427.GB1897@zn.tnic>
Date:   Sun, 21 Feb 2021 10:54:27 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Josh Poimboeuf <jpoimboe@...hat.com>, x86@...nel.org,
        pjt@...gle.com, mbenes@...e.cz, jgross@...e.com,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC][PATCH 6/6] objtool,x86: Rewrite retpoline thunk calls

On Sat, Feb 20, 2021 at 11:51:00PM +0100, Peter Zijlstra wrote:
> > 11 patches and one beer later, it even boots :-)

Yah, beer and coding sometimes works. But only sometimes, ask rostedt
and tglx.

:-P

> > Saves more than 6k on a defconfig build.

Uuh, niice. And that will be a lot more on a all{yes,mod}config.

> https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/log/?h=locking/jump_label

Looks interesting. I'll definitely have an indepth look when you send
them proper.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette