From: Greg KH <greg@kroah.com>
To: "Nguyen, Tom L" <tom.l.nguyen@intel.com>
Cc: Andrew Morton <akpm@osdl.org>,
"Li, Shaohua" <shaohua.li@intel.com>,
linux-kernel@vger.kernel.org
Subject: Re: [RFC/PATCH]reconfigure MSI registers after resume
Date: Thu, 1 Sep 2005 22:38:23 -0700 [thread overview]
Message-ID: <20050902053823.GA10287@kroah.com> (raw)
In-Reply-To: <C7AB9DA4D0B1F344BF2489FA165E502409A45B38@orsmsx404.amr.corp.intel.com>
On Thu, Sep 01, 2005 at 01:59:32PM -0700, Nguyen, Tom L wrote:
> On Thursday, September 01, 2005 1:10 PM Andrew Morton wrote:
> >>
> >> On Thursday, September 01, 2005 12:32 PM Andrew Morton wrote:
> >> > So what is the alternative to Shaohua's fix? Restore all the msi
> >> > registers on resume?
> >>
> >> Yes, the PCIe port bus driver, for example, did that.
> >>
>
> > So you're saying that each individual driver which uses MSI is
> responsible
> > for the restore?
> Yes.
>
> > Is it not possible to do this in some single centralized place?
> Existing pci_save_state(dev)/pci_restore_state(dev) covers only 64 bytes
> of PCI header. One solution is to extend these APIs to cover up to 256
> bytes. What do you think?
Will that solve this issue? I need to dig up my PCI spec to see if that
will still work properly on older pci devices...
thanks,
greg k-h
next prev parent reply other threads:[~2005-09-02 5:41 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-01 20:59 [RFC/PATCH]reconfigure MSI registers after resume Nguyen, Tom L
2005-09-02 5:38 ` Greg KH [this message]
2005-09-02 19:58 ` Rajesh Shah
2005-09-02 22:00 ` Andrew Morton
-- strict thread matches above, loose matches on Subject: below --
2005-09-02 18:51 Nguyen, Tom L
2005-09-01 20:01 Nguyen, Tom L
2005-09-01 20:10 ` Andrew Morton
2005-09-01 15:20 Nguyen, Tom L
2005-09-01 19:31 ` Andrew Morton
2005-09-02 1:03 ` Shaohua Li
2005-08-18 5:35 Shaohua Li
2005-08-31 21:43 ` Greg KH
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=20050902053823.GA10287@kroah.com \
--to=greg@kroah.com \
--cc=akpm@osdl.org \
--cc=linux-kernel@vger.kernel.org \
--cc=shaohua.li@intel.com \
--cc=tom.l.nguyen@intel.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.