From: Scott Wood <scottwood@freescale.com>
To: Jia Hongtao <hongtao.jia@freescale.com>
Cc: B07421@freescale.com, hongtao.jia@freescale.com,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 2/2 V8] powerpc/85xx: Add machine check handler to fix PCIe erratum on mpc85xx
Date: Thu, 2 May 2013 12:03:44 -0500 [thread overview]
Message-ID: <1367514224.24411.10@snotra> (raw)
In-Reply-To: <1367126408-12997-2-git-send-email-hongtao.jia@freescale.com> (from hongtao.jia@freescale.com on Sun Apr 28 00:20:08 2013)
On 04/28/2013 12:20:08 AM, Jia Hongtao wrote:
> A PCIe erratum of mpc85xx may causes a core hang when a link of PCIe
> goes down. when the link goes down, Non-posted transactions issued
> via the ATMU requiring completion result in an instruction stall.
> At the same time a machine-check exception is generated to the core
> to allow further processing by the handler. We implements the handler
> which skips the instruction caused the stall.
>=20
> This patch depends on patch:
> powerpc/85xx: Add platform_device declaration to fsl_pci.h
>=20
> Signed-off-by: Zhao Chenhui <b35336@freescale.com>
> Signed-off-by: Li Yang <leoli@freescale.com>
> Signed-off-by: Liu Shuo <soniccat.liu@gmail.com>
> Signed-off-by: Jia Hongtao <hongtao.jia@freescale.com>
> ---
> V8:
> * Add A variant load instruction emulation.
ACK
-Scott=
next prev parent reply other threads:[~2013-05-02 17:04 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-28 5:20 [PATCH 1/2 V2] powerpc: Move opcode definitions from kvm/emulate.c to asm/ppc-opcode.h Jia Hongtao
2013-04-28 5:20 ` [PATCH 2/2 V8] powerpc/85xx: Add machine check handler to fix PCIe erratum on mpc85xx Jia Hongtao
2013-05-02 17:03 ` Scott Wood [this message]
2013-05-03 2:03 ` Jia Hongtao-B38951
2013-05-10 4:00 ` Jia Hongtao-B38951
2013-05-13 6:20 ` Jia Hongtao-B38951
2013-05-21 2:07 ` Jia Hongtao-B38951
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