linux-kernel - Re: [regression/bisected] Add IBPB decreases performance in two times

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Date:   Tue, 15 Aug 2023 17:19:06 +0500
From:   Mikhail Gavrilov <mikhail.v.gavrilov@...il.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Borislav Petkov <bp@...en8.de>,
        Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        x86@...nel.org
Subject: Re: [regression/bisected] Add IBPB decreases performance in two times

On Mon, Aug 14, 2023 at 5:37 PM Peter Zijlstra <peterz@...radead.org> wrote:
>
>
> Why do you care about speculation things on a dev box?

Because this dev box used as the primary workstation for everything
for work, for shopping, for banking, for watching films and playing
games.
This allows me to find bugs in hard-to-reach scenarios.

-- 
Best Regards,
Mike Gavrilov.