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From: Leon Romanovsky <leon@kernel.org>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Lu Baolu <baolu.lu@linux.intel.com>,
	tglx@linutronix.de, ashok.raj@intel.com, kevin.tian@intel.com,
	dave.jiang@intel.com, megha.dey@intel.com, dwmw2@infradead.org,
	alex.williamson@redhat.com, bhelgaas@google.com,
	dan.j.williams@intel.com, dmaengine@vger.kernel.org,
	eric.auger@redhat.com, jacob.jun.pan@intel.com,
	kvm@vger.kernel.org, kwankhede@nvidia.com,
	linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
	maz@kernel.org, mona.hossain@intel.com, netanelg@mellanox.com,
	parav@mellanox.com, pbonzini@redhat.com, rafael@kernel.org,
	samuel.ortiz@intel.com, sanjay.k.kumar@intel.com,
	shahafs@mellanox.com, tony.luck@intel.com, vkoul@kernel.org,
	yan.y.zhao@linux.intel.com, yi.l.liu@intel.com
Subject: Re: [RFC PATCH v2 1/1] platform-msi: Add platform check for subdevice irq domain
Date: Wed, 6 Jan 2021 18:01:58 +0200	[thread overview]
Message-ID: <20210106160158.GX31158@unreal> (raw)
In-Reply-To: <20210106152339.GA552508@nvidia.com>

On Wed, Jan 06, 2021 at 11:23:39AM -0400, Jason Gunthorpe wrote:
> On Wed, Jan 06, 2021 at 12:40:17PM +0200, Leon Romanovsky wrote:
>
> > I asked what will you do when QEMU will gain needed functionality?
> > Will you remove QEMU from this list? If yes, how such "new" kernel will
> > work on old QEMU versions?
>
> The needed functionality is some VMM hypercall, so presumably new
> kernels that support calling this hypercall will be able to discover
> if the VMM hypercall exists and if so superceed this entire check.

Let's not speculate, do we have well-known path?
Will such patch be taken to stable@/distros?

Thanks

>
> Jason

  reply	other threads:[~2021-01-06 16:03 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-06  2:27 Lu Baolu
2021-01-06  6:06 ` Leon Romanovsky
2021-01-06 10:10   ` Lu Baolu
2021-01-06 10:40     ` Leon Romanovsky
2021-01-06 15:23       ` Jason Gunthorpe
2021-01-06 16:01         ` Leon Romanovsky [this message]
2021-01-07  1:55           ` Lu Baolu
2021-01-07  2:04           ` Tian, Kevin
2021-01-07  6:09             ` Leon Romanovsky
2021-01-07  6:55               ` Tian, Kevin
2021-01-07  7:16                 ` Leon Romanovsky
2021-01-12  5:17                   ` Lu Baolu
2021-01-12  5:53                     ` Leon Romanovsky
2021-01-12  6:59                       ` Tian, Kevin
2021-01-12  7:34                         ` Leon Romanovsky

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