linux-kernel - Re: [PATCH] ARM: mm: fix stack corruption when CONFIG_ARM_PV

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Message-ID: <CACRpkdYdf9H=LNRZMPurzTcA+bqoOHC1n-8TeCnVdz_iF7H+NA@mail.gmail.com>
Date:   Fri, 8 Sep 2023 23:00:31 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     "Russell King (Oracle)" <linux@...linux.org.uk>,
        Andrew Davis <afd@...com>, Nishanth Menon <nm@...com>,
        Zhizhou Zhang <zhizhou.zh@...il.com>
Cc:     rppt@...nel.org, akpm@...ux-foundation.org, vishal.moola@...il.com,
        arnd@...db.de, wangkefeng.wang@...wei.com, willy@...radead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Zhizhou Zhang <zhizhouzhang@...micro.com>
Subject: Re: [PATCH] ARM: mm: fix stack corruption when CONFIG_ARM_PV_FIXUP=y

On Fri, Sep 8, 2023 at 3:50 PM Russell King (Oracle)
<linux@...linux.org.uk> wrote:

> However, it makes a total nonsense of the comment, which explains
> precisely why the flush_cache_all() is where it is. Moving it before
> that comment means that the comment is now rediculous.

Zhizhou, can you look over the comment placement?

> So, please don't put it in the patch system.
>
> The patch certainly needs to be tested on TI Keystone which is the
> primary user of this code.

Added Andrew Davis and Nishanth Menon to the thread:
can you folks review and test this for Keystone?

Yours,
Linus Walleij