Re: [PATCH v4 1/3] xen/x86: add nmi continuation framework

2020-11-11 Thread Jürgen Groß
On 11.11.20 16:37, Jan Beulich wrote: On 09.11.2020 10:50, Juergen Gross wrote: Actions in NMI context are rather limited as e.g. locking is rather fragile. Add a framework to continue processing in normal interrupt context after leaving NMI processing. This is done by a high priority interrup

Re: [PATCH v4 1/3] xen/x86: add nmi continuation framework

2020-11-11 Thread Jan Beulich
On 09.11.2020 10:50, Juergen Gross wrote: > Actions in NMI context are rather limited as e.g. locking is rather > fragile. > > Add a framework to continue processing in normal interrupt context > after leaving NMI processing. > > This is done by a high priority interrupt vector triggered via a >

[PATCH v4 1/3] xen/x86: add nmi continuation framework

2020-11-09 Thread Juergen Gross
Actions in NMI context are rather limited as e.g. locking is rather fragile. Add a framework to continue processing in normal interrupt context after leaving NMI processing. This is done by a high priority interrupt vector triggered via a self IPI from NMI context, which will then call the contin