linux-kernel - Re: [PATCH v6 4/4] drivers: misc: Add Support for TMR Inject IP

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Message-ID: <Y2PEXawGI/JhyaGK@kroah.com>
Date:   Thu, 3 Nov 2022 22:38:37 +0900
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Appana Durga Kedareswara rao 
        <appana.durga.kedareswara.rao@....com>
Cc:     appanad@....com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, appana.durga.rao@...inx.com,
        michal.simek@...inx.com, derek.kiernan@...inx.com,
        dragan.cvetic@...inx.com, arnd@...db.de,
        linux-arm-kernel@...ts.infradead.org, git@....com,
        kernel test robot <lkp@...el.com>
Subject: Re: [PATCH v6 4/4] drivers: misc: Add Support for TMR Inject IP

On Thu, Nov 03, 2022 at 02:45:00PM +0530, Appana Durga Kedareswara rao wrote:
> The Triple Modular Redundancy(TMR) provides functional fault injection by
> changing selected MicroBlaze instructions, which provides the possibility
> to verify that the TMR subsystem error detection and fault recovery logic
> is working properly.
> 
> Usage:
> echo 1 > /sys/kernel/debug/xtmr_inject/inject_fault/inject_fault
> 
> Signed-off-by: Appana Durga Kedareswara rao <appana.durga.kedareswara.rao@....com>
> Reported-by: kernel test robot <lkp@...el.com>

The test robot did not report the lack of this driver in the kernel and
need to be mentioned here, sorry.