Re: [Qemu-devel] [RFC v3 0/4] vITS Reset

2017-11-24 Thread Cornelia Huck
On Thu, 23 Nov 2017 19:01:46 +0100 Christian Borntraeger wrote: > On 11/23/2017 06:44 PM, Auger Eric wrote: > > Hi Cornelia, Peter, > > > > On 23/11/17 18:14, Cornelia Huck wrote: > >> On Thu, 23 Nov 2017 17:01:32 + > >> Peter Maydell wrote: > >> > >>> On 23 November 2017 at 16:05, Auge

Re: [Qemu-devel] [RFC v3 0/4] vITS Reset

2017-11-24 Thread Auger Eric
Hi, On 23/11/17 19:01, Christian Borntraeger wrote: > > > On 11/23/2017 06:44 PM, Auger Eric wrote: >> Hi Cornelia, Peter, >> >> On 23/11/17 18:14, Cornelia Huck wrote: >>> On Thu, 23 Nov 2017 17:01:32 + >>> Peter Maydell wrote: >>> On 23 November 2017 at 16:05, Auger Eric wrote:

Re: [Qemu-devel] [RFC v3 0/4] vITS Reset

2017-11-23 Thread Christian Borntraeger
On 11/23/2017 06:44 PM, Auger Eric wrote: > Hi Cornelia, Peter, > > On 23/11/17 18:14, Cornelia Huck wrote: >> On Thu, 23 Nov 2017 17:01:32 + >> Peter Maydell wrote: >> >>> On 23 November 2017 at 16:05, Auger Eric wrote: When using update-linux-headers.sh I get suspicious errors at th

Re: [Qemu-devel] [RFC v3 0/4] vITS Reset

2017-11-23 Thread Auger Eric
Hi Cornelia, Peter, On 23/11/17 18:14, Cornelia Huck wrote: > On Thu, 23 Nov 2017 17:01:32 + > Peter Maydell wrote: > >> On 23 November 2017 at 16:05, Auger Eric wrote: >>> When using update-linux-headers.sh I get suspicious errors at the end: >>> grep: /tmp/tmp.A5NjLtHOij/include/asm/kvm_v

Re: [Qemu-devel] [RFC v3 0/4] vITS Reset

2017-11-23 Thread Cornelia Huck
On Thu, 23 Nov 2017 17:01:32 + Peter Maydell wrote: > On 23 November 2017 at 16:05, Auger Eric wrote: > > When using update-linux-headers.sh I get suspicious errors at the end: > > grep: /tmp/tmp.A5NjLtHOij/include/asm/kvm_virtio.h: No such file or > > directory > > sed: can't read /tmp/tmp.

Re: [Qemu-devel] [RFC v3 0/4] vITS Reset

2017-11-23 Thread Peter Maydell
On 23 November 2017 at 16:05, Auger Eric wrote: > When using update-linux-headers.sh I get suspicious errors at the end: > grep: /tmp/tmp.A5NjLtHOij/include/asm/kvm_virtio.h: No such file or > directory > sed: can't read /tmp/tmp.A5NjLtHOij/include/asm/kvm_virtio.h: No such > file or directory > >

Re: [Qemu-devel] [RFC v3 0/4] vITS Reset

2017-11-23 Thread Auger Eric
Hi Peter, On 23/11/17 16:19, Peter Maydell wrote: > On 23 November 2017 at 14:56, Eric Auger wrote: >> At the moment the ITS is not properly reset. On System reset or >> reboot, previous ITS register values and caches are left >> unchanged. Some of the registers might point to some guest RAM >> t

Re: [Qemu-devel] [RFC v3 0/4] vITS Reset

2017-11-23 Thread Peter Maydell
On 23 November 2017 at 14:56, Eric Auger wrote: > At the moment the ITS is not properly reset. On System reset or > reboot, previous ITS register values and caches are left > unchanged. Some of the registers might point to some guest RAM > tables which are not valid anymore. This leads to state >

[Qemu-devel] [RFC v3 0/4] vITS Reset

2017-11-23 Thread Eric Auger
At the moment the ITS is not properly reset. On System reset or reboot, previous ITS register values and caches are left unchanged. Some of the registers might point to some guest RAM tables which are not valid anymore. This leads to state inconsistencies that are detected by the kernel save/restor