Re: [PATCH v4 0/2] System Generation ID driver and VMGENID backend

2021-02-02 Thread Michael S. Tsirkin
On Thu, Jan 28, 2021 at 01:58:12PM +0100, Alexander Graf wrote: > Hey Michael! > > On 27.01.21 13:47, Michael S. Tsirkin wrote: > > > > On Thu, Jan 21, 2021 at 10:28:16AM +, Catangiu, Adrian Costin wrote: > > > On 12/01/2021, 14:49, "Michael S. Tsirkin" wrote: > > > > > > On Tue, Jan 1

Re: [PATCH v4 0/2] System Generation ID driver and VMGENID backend

2021-01-28 Thread graf--- via
Hey Michael! On 27.01.21 13:47, Michael S. Tsirkin wrote: On Thu, Jan 21, 2021 at 10:28:16AM +, Catangiu, Adrian Costin wrote: On 12/01/2021, 14:49, "Michael S. Tsirkin" wrote: On Tue, Jan 12, 2021 at 02:15:58PM +0200, Adrian Catangiu wrote: > The first patch in the set impleme

Re: [PATCH v4 0/2] System Generation ID driver and VMGENID backend

2021-01-27 Thread Michael S. Tsirkin
On Thu, Jan 21, 2021 at 10:28:16AM +, Catangiu, Adrian Costin wrote: > On 12/01/2021, 14:49, "Michael S. Tsirkin" wrote: > > On Tue, Jan 12, 2021 at 02:15:58PM +0200, Adrian Catangiu wrote: > > The first patch in the set implements a device driver which exposes a > > read-only dev

Re: [PATCH v4 0/2] System Generation ID driver and VMGENID backend

2021-01-21 Thread acatan--- via
On 12/01/2021, 14:49, "Michael S. Tsirkin" wrote: On Tue, Jan 12, 2021 at 02:15:58PM +0200, Adrian Catangiu wrote: > The first patch in the set implements a device driver which exposes a > read-only device /dev/sysgenid to userspace, which contains a > monotonically increasing u32

Re: [PATCH v4 0/2] System Generation ID driver and VMGENID backend

2021-01-12 Thread Michael S. Tsirkin
On Tue, Jan 12, 2021 at 02:15:58PM +0200, Adrian Catangiu wrote: > This feature is aimed at virtualized or containerized environments > where VM or container snapshotting duplicates memory state, which is a > challenge for applications that want to generate unique data such as > request IDs, UUIDs,

[PATCH v4 0/2] System Generation ID driver and VMGENID backend

2021-01-12 Thread Adrian Catangiu via
This feature is aimed at virtualized or containerized environments where VM or container snapshotting duplicates memory state, which is a challenge for applications that want to generate unique data such as request IDs, UUIDs, and cryptographic nonces. The patch set introduces a mechanism that pro