linux-kernel - Re: [PATCH] proc: Provide details on indirect branch speculation

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Message-Id: <20201031130546.d2b94345008e807f548dc068@linux-foundation.org>
Date:   Sat, 31 Oct 2020 13:05:46 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Anand K Mistry <amistry@...gle.com>
Cc:     linux-fsdevel@...r.kernel.org, asteinhauser@...gle.com,
        joelaf@...gle.com, tglx@...utronix.de,
        Alexey Dobriyan <adobriyan@...il.com>,
        Alexey Gladkov <gladkov.alexey@...il.com>,
        Jonathan Corbet <corbet@....net>,
        Kees Cook <keescook@...omium.org>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Michal Hocko <mhocko@...e.com>,
        Mike Rapoport <rppt@...nel.org>, NeilBrown <neilb@...e.de>,
        Peter Zijlstra <peterz@...radead.org>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] proc: Provide details on indirect branch speculation

On Fri, 30 Oct 2020 17:27:54 +1100 Anand K Mistry <amistry@...gle.com> wrote:

> Similar to speculation store bypass, show information about the indirect
> branch speculation mode of a task in /proc/$pid/status.

Why is this considered useful?