linux-kernel - Re: [PATCH] powerpc/8xx: Fix software emulation interrupt

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Date:   Wed, 10 Feb 2021 23:57:26 +1100 (AEDT)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     npiggin@...il.com, Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Paul Mackerras <paulus@...ba.org>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/8xx: Fix software emulation interrupt

On Fri, 5 Feb 2021 08:56:13 +0000 (UTC), Christophe Leroy wrote:
> For unimplemented instructions or unimplemented SPRs, the 8xx triggers
> a "Software Emulation Exception" (0x1000). That interrupt doesn't set
> reason bits in SRR1 as the "Program Check Exception" does.
> 
> Go through emulation_assist_interrupt() to set REASON_ILLEGAL.

Applied to powerpc/next.

[1/1] powerpc/8xx: Fix software emulation interrupt
      https://git.kernel.org/powerpc/c/903178d0ce6bb30ef80a3604ab9ee2b57869fbc9

cheers