From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Gavin Shan <shangw@linux.vnet.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 15/27] powerpc/eeh: I/O chip EEH state retrieval
Date: Wed, 12 Jun 2013 14:19:25 +1000 [thread overview]
Message-ID: <1371010765.8250.173.camel@pasglop> (raw)
In-Reply-To: <20130612033203.GA10000@shangw.(null)>
On Wed, 2013-06-12 at 11:32 +0800, Gavin Shan wrote:
> >Same comments about "state" which is really "delay" and is probably
> >not necessary at all ...
> >
>
> We need the "delay" in future to support PowerKVM guest. If the
> specified PE is being reset, we rely on the delay to hold the
> powerkvm guest for a while until the PE reset is done.
Do we ? Can't we just rely on "temp unavailble" result and wait 1s when
that happens (then try again) ?
IE, A delay associated with a state doesn't make that much sense
semantically speaking. With a state *transition* maybe but this isn't
what this function is about...
Cheers,
Ben.
next prev parent reply other threads:[~2013-06-12 4:21 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-05 7:34 [PATCH v3 00/27] EEH Support for PowerNV platform Gavin Shan
2013-06-05 7:34 ` [PATCH 01/27] powerpc/eeh: Fix fetching bus for single-dev-PE Gavin Shan
2013-06-05 7:34 ` [PATCH 02/27] powerpc/eeh: Enhance converting EEH dev Gavin Shan
2013-06-05 7:34 ` [PATCH 03/27] powerpc/eeh: Make eeh_phb_pe_get() public Gavin Shan
2013-06-05 7:34 ` [PATCH 04/27] powerpc/eeh: Make eeh_pe_get() public Gavin Shan
2013-06-05 7:34 ` [PATCH 05/27] powerpc/eeh: Trace PCI bus from PE Gavin Shan
2013-06-05 7:34 ` [PATCH 06/27] powerpc/eeh: Make eeh_init() public Gavin Shan
2013-06-05 7:34 ` [PATCH 07/27] powerpc/eeh: EEH post initialization operation Gavin Shan
2013-06-05 7:34 ` [PATCH 08/27] powerpc/eeh: Refactor eeh_reset_pe_once() Gavin Shan
2013-06-05 7:34 ` [PATCH 09/27] powerpc/eeh: Delay EEH probe during hotplug Gavin Shan
2013-06-05 7:34 ` [PATCH 10/27] powerpc/eeh: Differentiate EEH events Gavin Shan
2013-06-05 7:34 ` [PATCH 11/27] powerpc/eeh: Sync OPAL API with firmware Gavin Shan
2013-06-05 7:34 ` [PATCH 12/27] powerpc/eeh: EEH backend for P7IOC Gavin Shan
2013-06-05 7:34 ` [PATCH 13/27] powerpc/eeh: I/O chip post initialization Gavin Shan
2013-06-05 7:34 ` [PATCH 14/27] powerpc/eeh: I/O chip EEH enable option Gavin Shan
2013-06-05 7:34 ` [PATCH 15/27] powerpc/eeh: I/O chip EEH state retrieval Gavin Shan
2013-06-11 7:37 ` Benjamin Herrenschmidt
2013-06-12 3:32 ` Gavin Shan
2013-06-12 4:19 ` Benjamin Herrenschmidt [this message]
2013-06-13 4:26 ` Gavin Shan
2013-06-13 4:42 ` Benjamin Herrenschmidt
2013-06-13 5:50 ` Gavin Shan
2013-06-05 7:34 ` [PATCH 16/27] powerpc/eeh: I/O chip PE reset Gavin Shan
2013-06-05 7:34 ` [PATCH 17/27] powerpc/eeh: I/O chip PE log and bridge setup Gavin Shan
2013-06-11 7:37 ` Benjamin Herrenschmidt
2013-06-12 3:33 ` Gavin Shan
2013-06-05 7:34 ` [PATCH 18/27] powerpc/eeh: PowerNV EEH backends Gavin Shan
2013-06-05 7:34 ` [PATCH 19/27] powerpc/eeh: Initialization for PowerNV Gavin Shan
2013-06-05 7:34 ` [PATCH 20/27] powerpc/eeh: Enable EEH check for config access Gavin Shan
2013-06-05 7:34 ` [PATCH 21/27] powerpc/eeh: Process interrupts caused by EEH Gavin Shan
2013-06-11 8:13 ` Benjamin Herrenschmidt
2013-06-13 4:14 ` Gavin Shan
2013-06-05 7:34 ` [PATCH 22/27] powerpc/eeh: Allow to check fenced PHB proactively Gavin Shan
2013-06-05 7:34 ` [PATCH 23/27] powernv/opal: Notifier for OPAL events Gavin Shan
2013-06-12 0:32 ` Benjamin Herrenschmidt
2013-06-12 3:15 ` Gavin Shan
2013-06-05 7:34 ` [PATCH 24/27] powernv/opal: Disable OPAL notifier upon poweroff Gavin Shan
2013-06-05 7:34 ` [PATCH 25/27] powerpc/eeh: Register OPAL notifier for PCI error Gavin Shan
2013-06-05 7:34 ` [PATCH 26/27] powerpc/powernv: Debugfs directory for PHB Gavin Shan
2013-06-05 7:34 ` [PATCH 27/27] powerpc/eeh: Debugfs for error injection Gavin Shan
2013-06-11 7:46 ` [PATCH v3 00/27] EEH Support for PowerNV platform Benjamin Herrenschmidt
2013-06-12 3:18 ` Gavin Shan
-- strict thread matches above, loose matches on Subject: below --
2013-06-15 9:02 [PATCH v4 " Gavin Shan
2013-06-15 9:03 ` [PATCH 15/27] powerpc/eeh: I/O chip EEH state retrieval Gavin Shan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1371010765.8250.173.camel@pasglop \
--to=benh@kernel.crashing.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=shangw@linux.vnet.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).