On Thu, 20 Feb 2025 11:45:35 +0100
Eric Auger wrote:
> Hi Alex,
>
> On 2/20/25 11:31 AM, Eric Auger wrote:
> >
> > Hi Alex,
> >
> > On 2/19/25 10:19 PM, Alex Williamson wrote:
> >> On Wed, 19 Feb 2025 11:58:44 -0700
> >> Alex Williamson wrote:
> >>
> >>> On Wed, 19 Feb 2025 18:58:58 +0100
On Thu, 20 Feb 2025 08:07:23 -0700
Alex Williamson wrote:
> On Thu, 20 Feb 2025 11:45:35 +0100
> Eric Auger wrote:
>
> > Hi Alex,
> >
> > On 2/20/25 11:31 AM, Eric Auger wrote:
> > >
> > > Hi Alex,
> > >
> > > On 2/19/25 10:19 PM, Alex Williamson wrote:
> > >> On Wed, 19 Feb 2025 11:58
Hi Alex,
On 2/20/25 11:31 AM, Eric Auger wrote:
>
> Hi Alex,
>
> On 2/19/25 10:19 PM, Alex Williamson wrote:
>> On Wed, 19 Feb 2025 11:58:44 -0700
>> Alex Williamson wrote:
>>
>>> On Wed, 19 Feb 2025 18:58:58 +0100
>>> Eric Auger wrote:
>>>
Since kernel commit:
2b2c651baf1c ("vfio/pc
Hi Alex,
On 2/19/25 10:19 PM, Alex Williamson wrote:
> On Wed, 19 Feb 2025 11:58:44 -0700
> Alex Williamson wrote:
>
>> On Wed, 19 Feb 2025 18:58:58 +0100
>> Eric Auger wrote:
>>
>>> Since kernel commit:
>>> 2b2c651baf1c ("vfio/pci: Invalidate mmaps and block the access
>>> in D3hot power stat
>-Original Message-
>From: Alex Williamson
>Subject: Re: [RFC 0/2] hw/vfio/pci: Prevent BARs from being dma mapped in
>d3hot state
>
>On Thu, 20 Feb 2025 04:24:13 +
>"Duan, Zhenzhong" wrote:
>
>> >-Original Message-
>> >
On Thu, 20 Feb 2025 04:24:13 +
"Duan, Zhenzhong" wrote:
> >-Original Message-
> >From: Alex Williamson
> >Subject: Re: [RFC 0/2] hw/vfio/pci: Prevent BARs from being dma mapped in
> >d3hot state
> >
> >On Wed, 19 Feb 2025 18:58:58 +0100
>-Original Message-
>From: Alex Williamson
>Subject: Re: [RFC 0/2] hw/vfio/pci: Prevent BARs from being dma mapped in
>d3hot state
>
>On Wed, 19 Feb 2025 18:58:58 +0100
>Eric Auger wrote:
>
>> Since kernel commit:
>> 2b2c651baf1c ("vfio/pci: In
On Wed, 19 Feb 2025 11:58:44 -0700
Alex Williamson wrote:
> On Wed, 19 Feb 2025 18:58:58 +0100
> Eric Auger wrote:
>
> > Since kernel commit:
> > 2b2c651baf1c ("vfio/pci: Invalidate mmaps and block the access
> > in D3hot power state")
> > any attempt to do an mmap access to a BAR when the devi
Since kernel commit:
2b2c651baf1c ("vfio/pci: Invalidate mmaps and block the access
in D3hot power state")
any attempt to do an mmap access to a BAR when the device is in d3hot
state will generate a fault.
On system_powerdown, if the VFIO device is translated by an IOMMU,
the device is moved to D3
On Wed, 19 Feb 2025 18:58:58 +0100
Eric Auger wrote:
> Since kernel commit:
> 2b2c651baf1c ("vfio/pci: Invalidate mmaps and block the access
> in D3hot power state")
> any attempt to do an mmap access to a BAR when the device is in d3hot
> state will generate a fault.
>
> On system_powerdown, if
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