Re: [PATCH v2] drivers/virt: vmgenid: add vm generation id driver

2020-12-07 Thread Alexander Graf
On 27.11.20 21:20, Jann Horn wrote: On Fri, Nov 27, 2020 at 8:04 PM Catangiu, Adrian Costin wrote: On 27/11/2020 20:22, Jann Horn wrote: On Fri, Nov 20, 2020 at 11:29 PM Jann Horn wrote: On Mon, Nov 16, 2020 at 4:35 PM Catangiu, Adrian Costin wrote: This patch is a driver that exposes

Re: [PATCH v2] drivers/virt: vmgenid: add vm generation id driver

2020-12-07 Thread Alexander Graf
On 27.11.20 18:17, Catangiu, Adrian Costin wrote: On 18/11/2020 12:30, Alexander Graf wrote: On 16.11.20 16:34, Catangiu, Adrian Costin wrote: - Future improvements Ideally we would want the driver to register itself based on devices' _CID and not _HID, but unfortunately I couldn't find

Re: [PATCH v2] drivers/virt: vmgenid: add vm generation id driver

2020-11-27 Thread Jann Horn
On Fri, Nov 27, 2020 at 8:04 PM Catangiu, Adrian Costin wrote: > On 27/11/2020 20:22, Jann Horn wrote: > > On Fri, Nov 20, 2020 at 11:29 PM Jann Horn wrote: > >> On Mon, Nov 16, 2020 at 4:35 PM Catangiu, Adrian Costin > >> wrote: > >>> This patch is a driver that exposes a monotonic incremental

Re: [PATCH v2] drivers/virt: vmgenid: add vm generation id driver

2020-11-27 Thread Catangiu, Adrian Costin
Sorry Jann for missing your original email. On 27/11/2020 20:22, Jann Horn wrote: > CAUTION: This email originated from outside of the organization. Do not click > links or open attachments unless you can confirm the sender and know the > content is safe. > > > > [resend in the hope that amazon

Re: [PATCH v2] drivers/virt: vmgenid: add vm generation id driver

2020-11-27 Thread Jann Horn
[resend in the hope that amazon will accept my mail this time instead of replying "550 Too many invalid recipients" again] On Fri, Nov 20, 2020 at 11:29 PM Jann Horn wrote: > On Mon, Nov 16, 2020 at 4:35 PM Catangiu, Adrian Costin > wrote: > > This patch is a driver that exposes a monotonic

Re: [PATCH v2] drivers/virt: vmgenid: add vm generation id driver

2020-11-27 Thread Catangiu, Adrian Costin
On 18/11/2020 12:30, Alexander Graf wrote: > > > On 16.11.20 16:34, Catangiu, Adrian Costin wrote: >> - Future improvements >> >> Ideally we would want the driver to register itself based on devices' >> _CID and not _HID, but unfortunately I couldn't find a way to do that. >> The problem is that

Re: [PATCH v2] drivers/virt: vmgenid: add vm generation id driver

2020-11-20 Thread Jann Horn
On Mon, Nov 16, 2020 at 4:35 PM Catangiu, Adrian Costin wrote: > This patch is a driver that exposes a monotonic incremental Virtual > Machine Generation u32 counter via a char-dev FS interface that > provides sync and async VmGen counter updates notifications. It also > provides VmGen counter

Re: [PATCH v2] drivers/virt: vmgenid: add vm generation id driver

2020-11-20 Thread Dmitry Safonov
Hello, +Cc Eric, Adrian On 11/19/20 6:36 PM, Alexander Graf wrote: > On 19.11.20 18:38, Mike Rapoport wrote: >> On Thu, Nov 19, 2020 at 01:51:18PM +0100, Alexander Graf wrote: >>> On 19.11.20 13:02, Christian Borntraeger wrote: On 16.11.20 16:34, Catangiu, Adrian Costin wrote: > -

Re: [PATCH v2] drivers/virt: vmgenid: add vm generation id driver

2020-11-19 Thread Alexander Graf
On 19.11.20 18:38, Mike Rapoport wrote: On Thu, Nov 19, 2020 at 01:51:18PM +0100, Alexander Graf wrote: On 19.11.20 13:02, Christian Borntraeger wrote: On 16.11.20 16:34, Catangiu, Adrian Costin wrote: - Background The VM Generation ID is a feature defined by Microsoft (paper:

Re: [PATCH v2] drivers/virt: vmgenid: add vm generation id driver

2020-11-19 Thread Mike Rapoport
On Thu, Nov 19, 2020 at 01:51:18PM +0100, Alexander Graf wrote: > > > On 19.11.20 13:02, Christian Borntraeger wrote: > > > > On 16.11.20 16:34, Catangiu, Adrian Costin wrote: > > > - Background > > > > > > The VM Generation ID is a feature defined by Microsoft (paper: > > >

Re: [PATCH v2] drivers/virt: vmgenid: add vm generation id driver

2020-11-19 Thread Christian Borntraeger
On 19.11.20 13:51, Alexander Graf wrote: > > > On 19.11.20 13:02, Christian Borntraeger wrote: >> >> On 16.11.20 16:34, Catangiu, Adrian Costin wrote: >>> - Background >>> >>> The VM Generation ID is a feature defined by Microsoft (paper: >>> http://go.microsoft.com/fwlink/?LinkId=260709) and

Re: [PATCH v2] drivers/virt: vmgenid: add vm generation id driver

2020-11-19 Thread Alexander Graf
On 19.11.20 13:02, Christian Borntraeger wrote: On 16.11.20 16:34, Catangiu, Adrian Costin wrote: - Background The VM Generation ID is a feature defined by Microsoft (paper: http://go.microsoft.com/fwlink/?LinkId=260709) and supported by multiple hypervisor vendors. The feature is required

Re: [PATCH v2] drivers/virt: vmgenid: add vm generation id driver

2020-11-19 Thread Christian Borntraeger
On 16.11.20 16:34, Catangiu, Adrian Costin wrote: > - Background > > The VM Generation ID is a feature defined by Microsoft (paper: > http://go.microsoft.com/fwlink/?LinkId=260709) and supported by > multiple hypervisor vendors. > > The feature is required in virtualized environments by apps

Re: [PATCH v2] drivers/virt: vmgenid: add vm generation id driver

2020-11-18 Thread Alexander Graf
On 16.11.20 16:34, Catangiu, Adrian Costin wrote: - Background The VM Generation ID is a feature defined by Microsoft (paper: http://go.microsoft.com/fwlink/?LinkId=260709) and supported by multiple hypervisor vendors. The feature is required in virtualized environments by apps that work

[PATCH v2] drivers/virt: vmgenid: add vm generation id driver

2020-11-16 Thread Catangiu, Adrian Costin
- Background The VM Generation ID is a feature defined by Microsoft (paper: http://go.microsoft.com/fwlink/?LinkId=260709) and supported by multiple hypervisor vendors. The feature is required in virtualized environments by apps that work with local copies/caches of world-unique data such as