qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Paolo Bonzini <pbonzini@redhat.com>
To: Hannes Reinecke <hare@suse.de>
Cc: Stefan Hajnoczi <stefanha@gmail.com>,
	Alexander Graf <agraf@suse.de>,
	qemu-devel@nongnu.org, kvm@vger.kernel.org,
	Stefan Haynoczi <stefanha@linux.vnet.ibm.com>
Subject: Re: [Qemu-devel] [PATCH 5/5] megasas: LSI Megaraid SAS emulation
Date: Wed, 06 Jul 2011 10:39:57 +0200	[thread overview]
Message-ID: <4E141F5D.6010609@redhat.com> (raw)
In-Reply-To: <4E13FECA.10101@suse.de>

On 07/06/2011 08:20 AM, Hannes Reinecke wrote:
>>
>> We cannot map control structures from guest memory and treating them
>> as valid request state later on.
>>
> Yes, I've been working on that one already.
> What I'll be doing is to read in the sge count during 'map_sgl' and
> store this value internally (in ->iov_cnt). And during unmap I'll be
> using this value instead of the frame-provided one.
>
> That way we'll be checking the sge_count field only once when we slurp
> in the entire frame.

Note the flags too.  Perhaps it's easier to simply copy the entire frame 
header...

Paolo

  reply	other threads:[~2011-07-06  8:40 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-05 11:03 [Qemu-devel] [PATCH 0/5][v6] Megasas HBA emulation Hannes Reinecke
2011-07-05 11:03 ` [Qemu-devel] [PATCH 1/5] iov: Update parameter usage in iov_(to|from)_buf() Hannes Reinecke
2011-07-05 11:03   ` [Qemu-devel] [PATCH 2/5] scsi: Add 'hba_private' to SCSIRequest Hannes Reinecke
2011-07-05 11:03     ` [Qemu-devel] [PATCH 3/5] scsi-disk: Fixup debugging statement Hannes Reinecke
2011-07-05 11:03       ` [Qemu-devel] [PATCH 4/5] scsi-disk: Mask out serial number EVPD Hannes Reinecke
2011-07-05 11:03         ` [Qemu-devel] [PATCH 5/5] megasas: LSI Megaraid SAS emulation Hannes Reinecke
2011-07-05 13:06           ` Alexander Graf
2011-07-05 13:38           ` Alexander Graf
2011-07-05 13:59             ` Paolo Bonzini
2011-07-05 14:05               ` Alexander Graf
2011-07-05 15:21           ` Stefan Hajnoczi
2011-07-06  6:20             ` Hannes Reinecke
2011-07-06  8:39               ` Paolo Bonzini [this message]
2011-07-05 11:06         ` [Qemu-devel] [PATCH 4/5] scsi-disk: Mask out serial number EVPD Paolo Bonzini
2011-07-05 11:05       ` [Qemu-devel] [PATCH 3/5] scsi-disk: Fixup debugging statement Paolo Bonzini
2011-07-05 13:01 ` [Qemu-devel] [PATCH 0/5][v6] Megasas HBA emulation Alexander Graf

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=4E141F5D.6010609@redhat.com \
    --to=pbonzini@redhat.com \
    --cc=agraf@suse.de \
    --cc=hare@suse.de \
    --cc=kvm@vger.kernel.org \
    --cc=qemu-devel@nongnu.org \
    --cc=stefanha@gmail.com \
    --cc=stefanha@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).