Re: [Xen-devel] [PATCH v4 01/10] xen/arm64: Added handling of the trapped access to OSLSR register

2018-05-31 Thread Julien Grall
Hi Mirela, On 30/05/18 10:53, Mirela Simonovic wrote: On Wed, May 30, 2018 at 11:48 AM, Mirela Simonovic mailto:mirela.simono...@aggios.com>> wrote: Please note - I'm not sure how should write to this register be treated. In the original patch (handle_ro_raz implementation) undef exception

Re: [Xen-devel] [PATCH v4 01/10] xen/arm64: Added handling of the trapped access to OSLSR register

2018-05-30 Thread Mirela Simonovic
On Wed, May 30, 2018 at 11:48 AM, Mirela Simonovic < mirela.simono...@aggios.com> wrote: > Hi Julien, > > Thanks for the feedback. > > On Tue, May 29, 2018 at 3:19 PM, Julien Grall > wrote: > >> Hi, >> >> >> On 15/05/18 12:44, Mirela Simonovic wrote: >> >>> Linux/dom0 accesses OSLSR register when

Re: [Xen-devel] [PATCH v4 01/10] xen/arm64: Added handling of the trapped access to OSLSR register

2018-05-30 Thread Mirela Simonovic
Hi Julien, Thanks for the feedback. On Tue, May 29, 2018 at 3:19 PM, Julien Grall wrote: > Hi, > > > On 15/05/18 12:44, Mirela Simonovic wrote: > >> Linux/dom0 accesses OSLSR register when saving CPU context during the >> suspend procedure. Xen traps access to this register, but has no handling

Re: [Xen-devel] [PATCH v4 01/10] xen/arm64: Added handling of the trapped access to OSLSR register

2018-05-29 Thread Julien Grall
Hi, On 15/05/18 12:44, Mirela Simonovic wrote: Linux/dom0 accesses OSLSR register when saving CPU context during the suspend procedure. Xen traps access to this register, but has no handling for it. Consequently, Xen injects undef exception to linux, causing it to crash. This patch adds handling

[Xen-devel] [PATCH v4 01/10] xen/arm64: Added handling of the trapped access to OSLSR register

2018-05-15 Thread Mirela Simonovic
Linux/dom0 accesses OSLSR register when saving CPU context during the suspend procedure. Xen traps access to this register, but has no handling for it. Consequently, Xen injects undef exception to linux, causing it to crash. This patch adds handling of the trapped access to OSLSR as ro/raz. Signed