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From: linas <linas@austin.ibm.com>
To: Doug Maxey <dwm@maxeymade.com>
Cc: paulus@samba.org, linuxppc64-dev@ozlabs.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 7/7] ppc64: EEH Halt if bad drivers spin in error condition
Date: Fri, 30 Sep 2005 09:58:23 -0500	[thread overview]
Message-ID: <20050930145822.GM29826@austin.ibm.com> (raw)
In-Reply-To: <200509300449.j8U4n94d014765@falcon30.maxeymade.com>

On Thu, Sep 29, 2005 at 11:49:09PM -0500, Doug Maxey was heard to remark:
> 
> On Thu, 29 Sep 2005 20:02:28 CDT, linas wrote:
> >
> >07-eeh-spin-counter.patch
> >
> >One an EEH event is triggers, all further I/O to a device is blocked (until
> >reset).  Bad device drivers may end up spinning in their interrupt handlers, 
> >trying to read an interrupt status register that will never change state.
> >This patch moves that spin counter to a per-device structure, and adds
> >some diagnostic prints to help locate the bad driver.
> >
> 
> Which struct gets the element?

struct pci_dn, which Paulus recently introduced; it splits off the pci
parts from struct device_node.  Think of it as holding all the firmaware
and arch-specific peices that can't be jammed in the generic struct pci_dev.

--linas


  reply	other threads:[~2005-09-30 14:58 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-09-30  0:48 [PATCH 0/7] ppc64: Assorted minor EEH cleanups linas
2005-09-30  0:51 ` [PATCH 1/7] ppc64: EEH typos, include files, macros, whitespace linas
2005-10-05 11:11   ` Paul Mackerras
2005-10-07 19:46     ` linas
2005-09-30  0:53 ` [PATCH 2/7] ppc64: EEH PCI address cache cleanups linas
2005-09-30  0:54 ` [PATCH 3/7] ppc64: EEH Add event/internal state statistics linas
2005-10-05 11:14   ` Paul Mackerras
2005-10-07 14:59     ` linas
2005-09-30  0:56 ` [PATCH 4/7] ppc64: EEH PCI slot error details abstraction linas
2005-09-30  0:58 ` [PATCH 5/7] ppc64: EEH handle empty PCI slot failure linas
2005-09-30  1:00 ` [PATCH 6/7] ppc64: EEH Avoid racing reports of errors linas
2005-10-05 11:23   ` Paul Mackerras
2005-10-07 15:23     ` linas
2005-09-30  1:02 ` [PATCH 7/7] ppc64: EEH Halt if bad drivers spin in error condition linas
2005-09-30  4:49   ` Doug Maxey
2005-09-30 14:58     ` linas [this message]
2005-09-30 22:29 ` [PATCH 0/7] ppc64: Assorted minor EEH cleanups linas

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