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In-Reply-To: <20180614152742.21075-1-mjeanson@efficios.com>
To: Michael Jeanson <mjeanson@efficios.com>, 
From: Michael Ellerman <patch-notifications@ellerman.id.au>
Cc: stable@vger.kernel.org, Michael Jeanson <mjeanson@efficios.com>,
 Paul Mackerras <paulus@samba.org>,
 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
 Vakul Garg <vakul.garg@nxp.com>, linuxppc-dev@lists.ozlabs.org,
 Scott Wood <swood@redhat.com>, linux-kernel@vger.kernel.org
Subject: Re: powerpc/e500mc: Set assembler machine type to e500mc
Message-Id: <419P944XMVz9s3C@ozlabs.org>
Date: Wed, 20 Jun 2018 09:21:12 +1000 (AEST)
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On Thu, 2018-06-14 at 15:27:42 UTC, Michael Jeanson wrote:
> In binutils 2.26 a new opcode for the "wait" instruction was added for the
> POWER9 and has precedence over the one specific to the e500mc. Commit
> ebf714ff3756 ("powerpc/e500mc: Add support for the wait instruction in
> e500_idle") uses this instruction specifically on the e500mc to work around
> an erratum.
> 
> This results in an invalid instruction in idle_e500 when we build for the
> e500mc on bintutils >= 2.26 with the default assembler machine type.
> 
> Since multiplatform between e500 and non-e500 is not supported, set the
> assembler machine type globaly when CONFIG_PPC_E500MC=y.
> 
> Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
> Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
> CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> CC: Paul Mackerras <paulus@samba.org>
> CC: Michael Ellerman <mpe@ellerman.id.au>
> CC: Kumar Gala <galak@kernel.crashing.org>
> CC: Vakul Garg <vakul.garg@nxp.com>
> CC: Scott Wood <swood@redhat.com>
> CC: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
> CC: linuxppc-dev@lists.ozlabs.org
> CC: linux-kernel@vger.kernel.org
> CC: stable@vger.kernel.org

Applied to powerpc fixes, thanks.

https://git.kernel.org/powerpc/c/69a8405999aa1c489de4b8d349468f

cheers