On Thu, Jan 09, 2014 at 09:05:05PM +, KY Srinivasan wrote:
> >
> > We've had this discussion before where you urge me to trust the host...
>
> I am just implementing the protocol specification given by the host. If I
> cannot trust the
> specified protocol, I am not sure what else can be don
@canonical.com; de...@linuxdriverproject.org
> Subject: Re: [PATCH 1/1] Drivers: hv: Implement the file copy service
>
> On Thu, Jan 09, 2014 at 11:09:21PM +0300, Dan Carpenter wrote:
> > We've had this discussion before where you urge me to trust the host...
> >
> > Problem: This c
@canonical.com; de...@linuxdriverproject.org
> Subject: Re: [PATCH 1/1] Drivers: hv: Implement the file copy service
>
> We've had this discussion before where you urge me to trust the host...
I am just implementing the protocol specification given by the host. If I
cannot trust the
specified protocol
On Thu, Jan 09, 2014 at 11:09:21PM +0300, Dan Carpenter wrote:
> We've had this discussion before where you urge me to trust the host...
>
> Problem: This code is racy.
> Solution: The host will only send one message at a time.
>
> Now I have to audit the user space code on the host and I don't
We've had this discussion before where you urge me to trust the host...
Problem: This code is racy.
Solution: The host will only send one message at a time.
Now I have to audit the user space code on the host and I don't feel
like doing that so you win.
I wish we had a better way to do IPC. If
nical.com;
> jasow...@redhat.com
> Subject: Re: [PATCH 1/1] Drivers: hv: Implement the file copy service
>
> On Wed, Jan 08, 2014 at 03:48:35PM -0800, K. Y. Srinivasan wrote:
> > Implement the file copy service for Linux guests on Hyper-V. This permits
> > the
> > host
Subject: Re: [PATCH 1/1] Drivers: hv: Implement the file copy service
>
> On Wed, Jan 08, K. Y. Srinivasan wrote:
>
> > +++ b/tools/hv/hv_fcopy_daemon.c
>
> > + len = pread(fcopy_fd, buffer, (4096 * 2), 0);
> > +
> > + if (len <= 0)
On Wed, Jan 08, K. Y. Srinivasan wrote:
> +++ b/tools/hv/hv_fcopy_daemon.c
> + len = pread(fcopy_fd, buffer, (4096 * 2), 0);
> +
> + if (len <= 0) {
> + syslog(LOG_ERR, "Read error: %s\n", strerror(errno));
> + continue;
This could
Hi!
Is there no way we could implement file copying in user space?
For "file copy service" "user space" may be pretty good
But I ( and other Hyper-V sysadmin) see non-Ok ( in "political correct"
terminalogy) results with "hv: balloon: Online
the hot-added memory" in "user space"
Best
On Wed, Jan 08, 2014 at 03:48:35PM -0800, K. Y. Srinivasan wrote:
> Implement the file copy service for Linux guests on Hyper-V. This permits the
> host to copy a file (over VMBUS) into the guest. This facility is part of
> "guest integration services" supported on the Windows platform.
> Here is a
On Wed, Jan 08, 2014 at 03:48:35PM -0800, K. Y. Srinivasan wrote:
> Implement the file copy service for Linux guests on Hyper-V. This permits the
> host to copy a file (over VMBUS) into the guest. This facility is part of
> "guest integration services" supported on the Windows platform.
> Here is a
Implement the file copy service for Linux guests on Hyper-V. This permits the
host to copy a file (over VMBUS) into the guest. This facility is part of
"guest integration services" supported on the Windows platform.
Here is a link that provides additional details on this functionality:
http://tech
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