On (Tue) 24 Jul 2012 [11:37:18], Yoshihiro YUNOMAE wrote:
From: Masami Hiramatsu masami.hiramatsu...@hitachi.com
Add a failback memcpy path for unstealable pipe buffer.
If buf-ops-steal() fails, virtio-serial tries to
copy the page contents to an allocated page, instead
of just failing
On Thu, Aug 09, 2012 at 02:33:12PM +0530, Amit Shah wrote:
@@ -807,9 +807,31 @@ static int pipe_to_sg(struct pipe_inode_info *pipe,
struct pipe_buffer *buf,
len = min(buf-len, sd-len);
sg_set_page((sgl-sg[sgl-n]), buf-page, len, buf-offset);
-
(2012/08/09 18:03), Amit Shah wrote:
On (Tue) 24 Jul 2012 [11:37:18], Yoshihiro YUNOMAE wrote:
From: Masami Hiramatsu masami.hiramatsu...@hitachi.com
Add a failback memcpy path for unstealable pipe buffer.
If buf-ops-steal() fails, virtio-serial tries to
copy the page contents to an
On (Thu) 09 Aug 2012 [18:24:58], Masami Hiramatsu wrote:
(2012/08/09 18:03), Amit Shah wrote:
On (Tue) 24 Jul 2012 [11:37:18], Yoshihiro YUNOMAE wrote:
From: Masami Hiramatsu masami.hiramatsu...@hitachi.com
Add a failback memcpy path for unstealable pipe buffer.
If buf-ops-steal()
On 08/09/2012 12:55 PM, Amit Shah wrote:
On (Thu) 09 Aug 2012 [18:24:58], Masami Hiramatsu wrote:
(2012/08/09 18:03), Amit Shah wrote:
On (Tue) 24 Jul 2012 [11:37:18], Yoshihiro YUNOMAE wrote:
From: Masami Hiramatsu masami.hiramatsu...@hitachi.com
Add a failback memcpy path for
On (Thu) 09 Aug 2012 [12:58:13], Avi Kivity wrote:
On 08/09/2012 12:55 PM, Amit Shah wrote:
On (Thu) 09 Aug 2012 [18:24:58], Masami Hiramatsu wrote:
(2012/08/09 18:03), Amit Shah wrote:
On (Tue) 24 Jul 2012 [11:37:18], Yoshihiro YUNOMAE wrote:
From: Masami Hiramatsu
On Thu, 2012-08-09 at 18:24 +0900, Masami Hiramatsu wrote:
Yeah, it is really easy to fix that.
But out of curiosity, would that be really a problem?
I guess that host can access any guest page if need. If that
is right, is that really insecure to leak randomly allocated
unused page to the
From: Masami Hiramatsu masami.hiramatsu...@hitachi.com
Add a failback memcpy path for unstealable pipe buffer.
If buf-ops-steal() fails, virtio-serial tries to
copy the page contents to an allocated page, instead
of just failing splice().
Signed-off-by: Masami Hiramatsu
