From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Jan Beulich <JBeulich@suse.com>,
xen-devel <xen-devel@lists.xenproject.org>
Cc: Paul Durrant <paul.durrant@citrix.com>
Subject: Re: [PATCH 3/3] x86/vMSI-X: also snoop REP MOVS
Date: Thu, 28 Apr 2016 11:34:02 +0100 [thread overview]
Message-ID: <5721E71A.6040701@citrix.com> (raw)
In-Reply-To: <5721F90402000078000E6B1B@prv-mh.provo.novell.com>
On 28/04/16 10:50, Jan Beulich wrote:
> ... as at least certain versions of Windows use such to update the
> MSI-X table. However, to not overly complicate the logic for now
> - only EFLAGS.DF=0 is being handled,
> - only updates not crossing MSI-X table entry boundaries are handled.
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
IMO, under those circumstances we should domain_crash() and be rather
loud on the console.
Perhaps in a debug build only, but this will be a very unpleasant issue
to debug for whomever finds an OS which falls into of those unhandled
situations.
~Andrew
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel
next prev parent reply other threads:[~2016-04-28 10:34 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-28 9:35 [PATCH 0/3] x86/vMSI-X: further write snoop improvements Jan Beulich
2016-04-28 9:49 ` [PATCH 1/3] x86/vMSI-X: add further checks to snoop logic Jan Beulich
2016-04-28 10:22 ` Andrew Cooper
2016-04-28 10:44 ` Paul Durrant
2016-04-28 9:49 ` [PATCH 2/3] x86/vMSI-X: also snoop qword writes Jan Beulich
2016-04-28 10:27 ` Andrew Cooper
2016-04-28 10:52 ` Paul Durrant
2016-04-28 9:50 ` [PATCH 3/3] x86/vMSI-X: also snoop REP MOVS Jan Beulich
2016-04-28 10:34 ` Andrew Cooper [this message]
2016-04-28 10:44 ` Jan Beulich
2016-04-28 11:17 ` Paul Durrant
2016-04-28 11:44 ` Jan Beulich
2016-04-28 11:58 ` Paul Durrant
2016-04-28 12:30 ` Jan Beulich
2016-04-28 12:44 ` Paul Durrant
2016-04-28 9:51 ` [PATCH 0/3] x86/vMSI-X: further write snoop improvements Jan Beulich
2016-04-28 10:26 ` Wei Liu
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=5721E71A.6040701@citrix.com \
--to=andrew.cooper3@citrix.com \
--cc=JBeulich@suse.com \
--cc=paul.durrant@citrix.com \
--cc=xen-devel@lists.xenproject.org \
/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.