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
next prev parent 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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