Re: [Patch v3] uio_hv_generic: Set event for all channels on the device

[Wei Liu]

On Tue, Mar 25, 2025 at 12:39:54PM -0400, Greg Kroah-Hartman wrote:
> On Tue, Mar 25, 2025 at 04:10:59PM +0000, Wei Liu wrote:
> > On Mon, Mar 10, 2025 at 03:12:01PM -0700, longli@xxxxxxxxxxxxxxxxx wrote:
> > > From: Long Li <longli@xxxxxxxxxxxxx>
> > > 
> > > Hyper-V may offer a non latency sensitive device with subchannels without
> > > monitor bit enabled. The decision is entirely on the Hyper-V host not
> > > configurable within guest.
> > > 
> > > When a device has subchannels, also signal events for the subchannel
> > > if its monitor bit is disabled.
> > > 
> > > This patch also removes the memory barrier when monitor bit is enabled
> > > as it is not necessary. The memory barrier is only needed between
> > > setting up interrupt mask and calling vmbus_set_event() when monitor
> > > bit is disabled.
> > > 
> > > Signed-off-by: Long Li <longli@xxxxxxxxxxxxx>
> > 
> > Greg, are you going to take this patch?
> > 
> > I can take it if you want.
> 
> It's the merge window right now, neither of us should be taking it.  Let
> me look into it after -rc1 is out.

Understood. Thank you for your response.

> 
> thanks,
> 
> greg k-h