linux-kernel - Re: Data corruption on i.MX6 IPU in arm_copy_from

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Message-ID: <m3y2bvs9tg.fsf@t19.piap.pl>
Date:   Mon, 31 May 2021 08:20:59 +0200
From:   Krzysztof Hałasa <khalasa@...p.pl>
To:     "Russell King (Oracle)" <linux@...linux.org.uk>
Cc:     linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        lkml <linux-kernel@...r.kernel.org>
Subject: Re: Data corruption on i.MX6 IPU in arm_copy_from_user()

BTW writes (STMIA) to IPU registers are apparently not corrupted, only
LDMIAs are affected - in pure userspace as well.
-- 
Krzysztof Hałasa

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