From: Rolf Eike Beer <eike-kernel@sf-tec.de>
To: Wang Sen <senwang@linux.vnet.ibm.com>
Cc: <linux-scsi@vger.kernel.org>, <jbottomley@parallels.com>,
<pbonzini@redhat.com>, <stefanha@linux.vnet.ibm.com>,
<mc@linux.vnet.ibm.com>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] scsi: virtio-scsi: Fix address translation failure of HighMem pages used by sg list
Date: Wed, 25 Jul 2012 12:04:33 +0200 [thread overview]
Message-ID: <ccef753fa6fd0ce145611de514e75018@sf-mail.de> (raw)
In-Reply-To: <1343204966-23560-1-git-send-email-senwang@linux.vnet.ibm.com>
Am 25.07.2012 10:29, schrieb Wang Sen:
> When using the commands below to write some data to a virtio-scsi LUN
> of the
> QEMU guest(32-bit) with 1G physical memory(qemu -m 1024), the qemu
> will crash.
>
> # sudo mkfs.ext4 /dev/sdb (/dev/sdb is the virtio-scsi LUN.)
> # sudo mount /dev/sdb /mnt
> # dd if=/dev/zero of=/mnt/file bs=1M count=1024
>
> In current implementation, sg_set_buf is called to add buffers to sg
> list which
> is put into the virtqueue eventually.
The next sentence is somehow broken:
> But there are some HighMem pages in
> table->sgl can not get virtual address by sg_virt.
Maybe something like "But _if_ there are ... _you_ can not get ..."?
Eike
next prev parent reply other threads:[~2012-07-25 10:04 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-25 8:29 Wang Sen
2012-07-25 8:44 ` Paolo Bonzini
2012-07-25 9:22 ` Boaz Harrosh
2012-07-25 9:41 ` Paolo Bonzini
2012-07-25 12:34 ` Boaz Harrosh
2012-07-25 12:49 ` Paolo Bonzini
2012-07-25 13:26 ` Boaz Harrosh
2012-07-25 13:36 ` Paolo Bonzini
2012-07-25 14:36 ` Boaz Harrosh
2012-07-25 15:09 ` performance improvements for the sglist API (Re: [PATCH] scsi: virtio-scsi: Fix address translation failure of HighMem pages used by sg list) Paolo Bonzini
2012-07-25 15:16 ` Paolo Bonzini
2012-07-25 14:17 ` virtio(-scsi) vs. chained sg_lists (was " Paolo Bonzini
2012-07-25 15:28 ` Boaz Harrosh
2012-07-25 17:43 ` Paolo Bonzini
2012-07-25 19:16 ` Boaz Harrosh
2012-07-25 20:06 ` Paolo Bonzini
2012-07-25 21:04 ` Boaz Harrosh
2012-07-26 7:23 ` Paolo Bonzini
2012-07-26 7:56 ` Boaz Harrosh
2012-07-26 7:58 ` Paolo Bonzini
2012-07-26 13:05 ` Paolo Bonzini
2012-07-27 6:27 ` Rusty Russell
2012-07-27 8:11 ` Paolo Bonzini
2012-07-29 23:50 ` Rusty Russell
2012-07-30 7:12 ` Paolo Bonzini
2012-07-30 8:56 ` Boaz Harrosh
2012-07-25 10:41 ` [PATCH] scsi: virtio-scsi: Fix address translation failure of HighMem pages used by sg list Stefan Hajnoczi
2012-07-25 11:48 ` Sen Wang
2012-07-25 11:44 ` Sen Wang
2012-07-25 12:40 ` Boaz Harrosh
2012-07-27 3:12 ` Wang Sen
2012-07-27 6:50 ` Paolo Bonzini
2012-07-25 10:04 ` Rolf Eike Beer [this message]
2012-07-25 11:46 ` Sen Wang
[not found] <1343203219-19190-1-git-send-email-senwang@linux.vnet.ibm.com>
2012-07-25 10:05 ` Stefan Hajnoczi
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=ccef753fa6fd0ce145611de514e75018@sf-mail.de \
--to=eike-kernel@sf-tec.de \
--cc=jbottomley@parallels.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=mc@linux.vnet.ibm.com \
--cc=pbonzini@redhat.com \
--cc=senwang@linux.vnet.ibm.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
Powered by JetHome