From: Paolo Bonzini <pbonzini@redhat.com>
To: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: Jason Wang <jasowang@redhat.com>,
gleb@kernel.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, mst@redhat.com
Subject: Re: [PATCH V6 6/6] kvm: add fast mmio capabilitiy
Date: Tue, 15 Sep 2015 18:47:21 +0200 [thread overview]
Message-ID: <55F84B99.7020903@redhat.com> (raw)
In-Reply-To: <20150915184444.6cc6e648.cornelia.huck@de.ibm.com>
On 15/09/2015 18:44, Cornelia Huck wrote:
>> > Can you explain why? If there is any non-zero valid length, "wildcard
>> > length" (represented by zero) would also make sense.
> What is a wildcard match supposed to mean in this case? The datamatch
> field contains the queue index for the device specified in the address
> field. The hypercall interface associated with the eventfd always has
> device + queue index in its parameters; there is no interface for
> "notify device with all its queues".
Ah, I see. Because all valid virtio-ccw ioeventfds are datamatch, no
valid virtio-ccw ioeventfd is wildcard-length.
Paolo
next prev parent reply other threads:[~2015-09-15 16:47 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-15 6:41 [PATCH V6 0/6] Fast mmio eventfd fixes Jason Wang
2015-09-15 6:41 ` [PATCH V6 1/6] kvm: don't try to register to KVM_FAST_MMIO_BUS for non mmio eventfd Jason Wang
2015-09-15 7:05 ` Cornelia Huck
2015-09-15 6:41 ` [PATCH V6 2/6] kvm: factor out core eventfd assign/deassign logic Jason Wang
2015-09-15 7:07 ` Cornelia Huck
2015-09-15 6:41 ` [PATCH V6 3/6] kvm: fix double free for fast mmio eventfd Jason Wang
2015-09-15 7:13 ` Cornelia Huck
2015-09-15 6:41 ` [PATCH V6 4/6] kvm: fix zero length mmio searching Jason Wang
2015-09-15 7:52 ` Cornelia Huck
2015-09-15 6:41 ` [PATCH V6 5/6] kvm: add tracepoint for fast mmio Jason Wang
2015-09-15 6:41 ` [PATCH V6 6/6] kvm: add fast mmio capabilitiy Jason Wang
2015-09-15 15:07 ` Paolo Bonzini
2015-09-15 16:13 ` Cornelia Huck
2015-09-15 16:29 ` Paolo Bonzini
2015-09-15 16:44 ` Cornelia Huck
2015-09-15 16:47 ` Paolo Bonzini [this message]
2015-09-15 15:08 ` [PATCH V6 0/6] Fast mmio eventfd fixes Paolo Bonzini
2015-09-15 19:26 ` Michael S. Tsirkin
2015-09-16 8:11 ` Paolo Bonzini
2015-11-08 17:11 ` Michael S. Tsirkin
2015-11-09 4:35 ` Jason Wang
2015-11-09 20:19 ` Michael S. Tsirkin
2015-11-10 6:25 ` Jason Wang
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=55F84B99.7020903@redhat.com \
--to=pbonzini@redhat.com \
--cc=cornelia.huck@de.ibm.com \
--cc=gleb@kernel.org \
--cc=jasowang@redhat.com \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mst@redhat.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.