linux-kernel - Re: [PATCH] EDAC, altera: Disable IRQ while injecting SDRAM errors

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Message-ID: <20161022181428.2a7uhbxhily3td6t@pd.tnic>
Date:   Sat, 22 Oct 2016 20:14:28 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     tthayer@...nsource.altera.com
Cc:     dougthompson@...ssion.com, mchehab@...nel.org,
        linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] EDAC, altera: Disable IRQ while injecting SDRAM errors

On Wed, Oct 19, 2016 at 02:53:47PM -0500, tthayer@...nsource.altera.com wrote:
> From: Thor Thayer <tthayer@...nsource.altera.com>
> 
> Disable IRQs while injecting SDRAM errors. The RT patches exposed
> a spinlock deadlock where the spinlock taken for the regmap write
> deadlocked with the IRQ clear regmap write.
> Error injection is not normally enabled for ECC but only for
> testing.
> 
> Signed-off-by: Thor Thayer <tthayer@...nsource.altera.com>
> ---
>  drivers/edac/altera_edac.c |    4 ++++
>  1 file changed, 4 insertions(+)

Applied, thanks.

-- 
Regards/Gruss,
    Boris.

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