Re: [PATCH v7 00/12] Enabling DCD emulation support in Qemu

[Jonathan Cameron]

On Mon, 22 Apr 2024 13:04:48 +0100
Jonathan Cameron <Jonathan.Cameron@huawei.com> wrote:

> On Sat, 20 Apr 2024 16:35:46 -0400
> Gregory Price <gregory.price@memverge.com> wrote:
> 
> > On Fri, Apr 19, 2024 at 11:43:14AM -0700, fan wrote:  
> > > On Fri, Apr 19, 2024 at 02:24:36PM -0400, Gregory Price wrote:    
> > > > 
> > > > added review to all patches, will hopefully be able to add a Tested-by
> > > > tag early next week, along with a v1 RFC for MHD bit-tracking.
> > > > 
> > > > We've been testing v5/v6 for a bit, so I expect as soon as we get the
> > > > MHD code ported over to v7 i'll ship a tested-by tag pretty quick.
> > > > 
> > > > The super-set release will complicate a few things but this doesn't
> > > > look like a blocker on our end, just a change to how we track bits in a
> > > > shared bit/bytemap.
> > > >     
> > > 
> > > Hi Gregory,
> > > Thanks for reviewing the patches so quickly. 
> > > 
> > > No pressure, but look forward to your MHD work. :)
> > > 
> > > Fan    
> > 
> > Starting to get into versioniong hell a bit, since the Niagara work was
> > based off of jonathan's branch and the mhd-dcd work needs some of the
> > extentions from that branch - while this branch is based on master.
> > 
> > Probably we'll need to wait for a new cxl dated branch to try and sus
> > out the pain points before we push an RFC.  I would not want to have
> > conflicting commits for something like this for example:
> > 
> > https://lore.kernel.org/qemu-devel/20230901012914.226527-2-gregory.price@memverge.com/
> > 
> > We get merge conflicts here because this is behind that patch. So
> > pushing up an RFC in this state would be mostly useless to everyone  
> 
> Subtle hint noted ;) 
> 
> I'll build a fresh tree - any remaining rebases until QEMU 9.0 should be
> straight forward anyway.   My ideal is that the NUMA GP series lands early
> in 9.1 cycle and this can go in parallel.  I'd really like to
> get this in early if possible so we can start clearing some of the other
> stuff that ended up built on top of it!

I've pushed to gitlab.com/jic23/qemu cxl-2024-04-22-draft
Its extremely lightly tested so far.

To save time, I've temporarily dropped the fm-api DCD initiate
dynamic capacity add patch as that needs non trivial updates.

I've not yet caught up with some other outstanding series, but
I will almost certainly put them on top of DCD.

Jonathan

> 
> Jonathan
> 
> > 
> > ~Gregory  
> 
>