Re: [Qemu-devel] [PATCH] kvm: pass the virtual SEI syndrome to guest OS

2017-04-24 Thread Laszlo Ersek
On 04/21/17 15:27, gengdongjiu wrote: > Hi all/Laszlo, > > sorry, I have a question to consult with you. > > > On 2017/4/7 2:55, Laszlo Ersek wrote: >> On 04/06/17 14:35, gengdongjiu wrote: >>> Dear, Laszlo >>>Thanks for your detailed explanation. >>> >>> On 2017/3/29 19:58, Laszlo Ersek w

Re: [Qemu-devel] [PATCH] kvm: pass the virtual SEI syndrome to guest OS

2017-04-21 Thread gengdongjiu
Hi all/Laszlo, sorry, I have a question to consult with you. On 2017/4/7 2:55, Laszlo Ersek wrote: > On 04/06/17 14:35, gengdongjiu wrote: >> Dear, Laszlo >>Thanks for your detailed explanation. >> >> On 2017/3/29 19:58, Laszlo Ersek wrote: >>> (This ought to be one of the longest address

Re: [Qemu-devel] [PATCH] kvm: pass the virtual SEI syndrome to guest OS

2017-04-07 Thread Laszlo Ersek
On 04/07/17 04:52, gengdongjiu wrote: > > On 2017/4/7 2:55, Laszlo Ersek wrote: >> I'm unsure if, by "not fixed", you are saying >> >> the number of CPER entries that fits in Error Status Data Block N is >> not *uniform* across 0 <= N <= 10 [1] >> >> or >> >> the number of CPER entries that

Re: [Qemu-devel] [PATCH] kvm: pass the virtual SEI syndrome to guest OS

2017-04-06 Thread gengdongjiu
Hi Laszlo, thanks. On 2017/4/7 2:55, Laszlo Ersek wrote: > On 04/06/17 14:35, gengdongjiu wrote: >> Dear, Laszlo >>Thanks for your detailed explanation. >> >> On 2017/3/29 19:58, Laszlo Ersek wrote: >>> (This ought to be one of the longest address lists I've ever seen :) >>> Thanks for the C

Re: [Qemu-devel] [PATCH] kvm: pass the virtual SEI syndrome to guest OS

2017-04-06 Thread Laszlo Ersek
On 04/06/17 14:35, gengdongjiu wrote: > Dear, Laszlo >Thanks for your detailed explanation. > > On 2017/3/29 19:58, Laszlo Ersek wrote: >> (This ought to be one of the longest address lists I've ever seen :) >> Thanks for the CC. I'm glad Shannon is already on the CC list. For good >> measure,

Re: [Qemu-devel] [PATCH] kvm: pass the virtual SEI syndrome to guest OS

2017-04-06 Thread gengdongjiu
Dear, Laszlo Thanks for your detailed explanation. On 2017/3/29 19:58, Laszlo Ersek wrote: > (This ought to be one of the longest address lists I've ever seen :) > Thanks for the CC. I'm glad Shannon is already on the CC list. For good > measure, I'm adding MST and Igor.) > > On 03/29/17 12:36

Re: [Qemu-devel] [PATCH] kvm: pass the virtual SEI syndrome to guest OS

2017-03-29 Thread gengdongjiu
Hi Christoffer/Laszlo, On 2017/3/30 1:44, Christoffer Dall wrote: > On Wed, Mar 29, 2017 at 05:37:49PM +0200, Laszlo Ersek wrote: >> On 03/29/17 16:48, Christoffer Dall wrote: >>> On Wed, Mar 29, 2017 at 10:36:51PM +0800, gengdongjiu wrote: 2017-03-29 18:36 GMT+08:00, Achin Gupta : >> > Q

Re: [Qemu-devel] [PATCH] kvm: pass the virtual SEI syndrome to guest OS

2017-03-29 Thread Christoffer Dall
On Wed, Mar 29, 2017 at 05:37:49PM +0200, Laszlo Ersek wrote: > On 03/29/17 16:48, Christoffer Dall wrote: > > On Wed, Mar 29, 2017 at 10:36:51PM +0800, gengdongjiu wrote: > >> 2017-03-29 18:36 GMT+08:00, Achin Gupta : > > >>> Qemu is essentially fulfilling the role of secure firmware at the > >>>

Re: [Qemu-devel] [PATCH] kvm: pass the virtual SEI syndrome to guest OS

2017-03-29 Thread Punit Agrawal
Laszlo Ersek writes: > On 03/29/17 14:51, Michael S. Tsirkin wrote: >> On Wed, Mar 29, 2017 at 01:58:29PM +0200, Laszlo Ersek wrote: >>> (8) When QEMU gets SIGBUS from the kernel -- I hope that's going to come >>> through a signalfd -- QEMU can format the CPER right into guest memory, >>> and the

Re: [Qemu-devel] [PATCH] kvm: pass the virtual SEI syndrome to guest OS

2017-03-29 Thread gengdongjiu
Hi Achin, Thanks for your mail and answer. 2017-03-29 18:36 GMT+08:00, Achin Gupta : > Hi gengdongjiu, > > On Wed, Mar 29, 2017 at 05:36:37PM +0800, gengdongjiu wrote: >> >> Hi Laszlo/Biesheuvel/Qemu developer, >> >>Now I encounter a issue and want to consult with you in ARM64 platform, >>

Re: [Qemu-devel] [PATCH] kvm: pass the virtual SEI syndrome to guest OS

2017-03-29 Thread Laszlo Ersek
On 03/29/17 16:48, Christoffer Dall wrote: > On Wed, Mar 29, 2017 at 10:36:51PM +0800, gengdongjiu wrote: >> 2017-03-29 18:36 GMT+08:00, Achin Gupta : >>> Qemu is essentially fulfilling the role of secure firmware at the >>> EL2/EL1 interface (as discussed with Christoffer below). So it >>> should

Re: [Qemu-devel] [PATCH] kvm: pass the virtual SEI syndrome to guest OS

2017-03-29 Thread Christoffer Dall
On Wed, Mar 29, 2017 at 10:36:51PM +0800, gengdongjiu wrote: > Hi Achin, > Thanks for your mail and answer. > > 2017-03-29 18:36 GMT+08:00, Achin Gupta : > > Hi gengdongjiu, > > > > On Wed, Mar 29, 2017 at 05:36:37PM +0800, gengdongjiu wrote: > >> > >> Hi Laszlo/Biesheuvel/Qemu developer, > >>

Re: [Qemu-devel] [PATCH] kvm: pass the virtual SEI syndrome to guest OS

2017-03-29 Thread Michael S. Tsirkin
On Wed, Mar 29, 2017 at 03:36:59PM +0200, Laszlo Ersek wrote: > On 03/29/17 14:51, Michael S. Tsirkin wrote: > > On Wed, Mar 29, 2017 at 01:58:29PM +0200, Laszlo Ersek wrote: > >> (8) When QEMU gets SIGBUS from the kernel -- I hope that's going to come > >> through a signalfd -- QEMU can format the

Re: [Qemu-devel] [PATCH] kvm: pass the virtual SEI syndrome to guest OS

2017-03-29 Thread Laszlo Ersek
On 03/29/17 14:51, Michael S. Tsirkin wrote: > On Wed, Mar 29, 2017 at 01:58:29PM +0200, Laszlo Ersek wrote: >> (8) When QEMU gets SIGBUS from the kernel -- I hope that's going to come >> through a signalfd -- QEMU can format the CPER right into guest memory, >> and then inject whatever interrupt (

Re: [Qemu-devel] [PATCH] kvm: pass the virtual SEI syndrome to guest OS

2017-03-29 Thread Michael S. Tsirkin
On Wed, Mar 29, 2017 at 01:58:29PM +0200, Laszlo Ersek wrote: > (8) When QEMU gets SIGBUS from the kernel -- I hope that's going to come > through a signalfd -- QEMU can format the CPER right into guest memory, > and then inject whatever interrupt (or assert whatever GPIO line) is > necessary for n

Re: [Qemu-devel] [PATCH] kvm: pass the virtual SEI syndrome to guest OS

2017-03-29 Thread gengdongjiu
Hi Laszlo/Biesheuvel/Qemu developer, Now I encounter a issue and want to consult with you in ARM64 platform, as described below: when guest OS happen synchronous or asynchronous abort, kvm needs to send the error address to Qemu or UEFI through sigbus to dynamically generate APEI table.

Re: [Qemu-devel] [PATCH] kvm: pass the virtual SEI syndrome to guest OS

2017-03-29 Thread Achin Gupta
Hi gengdongjiu, On Wed, Mar 29, 2017 at 05:36:37PM +0800, gengdongjiu wrote: > > Hi Laszlo/Biesheuvel/Qemu developer, > >Now I encounter a issue and want to consult with you in ARM64 platform, as > described below: > >when guest OS happen synchronous or asynchronous abort, kvm needs to se

Re: [Qemu-devel] [PATCH] kvm: pass the virtual SEI syndrome to guest OS

2017-03-29 Thread Laszlo Ersek
(This ought to be one of the longest address lists I've ever seen :) Thanks for the CC. I'm glad Shannon is already on the CC list. For good measure, I'm adding MST and Igor.) On 03/29/17 12:36, Achin Gupta wrote: > Hi gengdongjiu, > > On Wed, Mar 29, 2017 at 05:36:37PM +0800, gengdongjiu wrote: