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Message-ID: <1458128720.3107.66.camel@au1.ibm.com>
Subject: Re: [PATCH] powerpc: Fix possible unrecoverable exception caused by
 '70fe3d9'
From: Benjamin Herrenschmidt <benh@au1.ibm.com>
Reply-To: benh@au1.ibm.com
To: Cyril Bur <cyrilbur@gmail.com>, mpe@ellerman.id.au, linuxppc-dev@ozlabs.org
Date: Wed, 16 Mar 2016 22:45:20 +1100
In-Reply-To: <1458095370-26731-1-git-send-email-cyrilbur@gmail.com>
References: <1458095370-26731-1-git-send-email-cyrilbur@gmail.com>
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On Wed, 2016-03-16 at 13:29 +1100, Cyril Bur wrote:
> +#ifdef CONFIG_PPC_BOOK3S
> +       ld      r10,PACAKMSR(r13)
> +       li      r9,MSR_RI
> +       andc    r11,r10,r9 /* Re-clear RI */
> +       mtmsrd  r11,1
> +#endif

Do you need that ? IE, mtmsrd with "1" will only update RI and EE, is
the value of EE in PACAMSR variable ?

Cheers,
Ben.