linux-kernel - Re: [PATCH] xtensa: Increase size of gcc stack frame check

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Message-ID: <CAMo8Bf+rFk_CJiUOdQC5yLuMT+y-awgS9MSx0g3-DqLXYEeX7w@mail.gmail.com>
Date:   Tue, 14 Sep 2021 10:24:14 -0700
From:   Max Filippov <jcmvbkbc@...il.com>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     David Laight <David.Laight@...lab.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Masahiro Yamada <masahiroy@...nel.org>,
        "linux-xtensa@...ux-xtensa.org" <linux-xtensa@...ux-xtensa.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Chris Zankel <chris@...kel.net>
Subject: Re: [PATCH] xtensa: Increase size of gcc stack frame check

On Tue, Sep 14, 2021 at 7:02 AM Guenter Roeck <linux@...ck-us.net> wrote:
> I still don't think that those stack limit warnings (now errors)
> will ever get fixed. Which is the point I was trying to make,
> and your observation that the stack frames are really that large
> because of KASAN just makes that argument stronger.
>
> Other than that, it is not my call to make that to do with this
> patch. If you think that it is inappropriate, by all means
> reject it.

I like it, also for the reason that with KASAN enabled
kernel stack size on xtensa is 4 times bigger.

-- 
Thanks.
-- Max