----- Ursprüngliche Mail ----- > Von: "anton ivanov" <anton.iva...@cambridgegreys.com> > An: "richard" <rich...@nod.at> > CC: "linux-um" <linux-um@lists.infradead.org>, "Johannes Berg" > <johan...@sipsolutions.net> > Gesendet: Donnerstag, 21. September 2023 23:41:16 > Betreff: Re: [PATCH v4] um: Enable preemption in UML
> On 21/09/2023 22:02, Richard Weinberger wrote: >> ----- Ursprüngliche Mail ----- >>> Von: "anton ivanov" <anton.iva...@cambridgegreys.com> >>> An: "linux-um" <linux-um@lists.infradead.org> >>> CC: "Johannes Berg" <johan...@sipsolutions.net>, "richard" <rich...@nod.at>, >>> "anton ivanov" >>> <anton.iva...@cambridgegreys.com> >>> Gesendet: Donnerstag, 21. September 2023 17:55:22 >>> Betreff: [PATCH v4] um: Enable preemption in UML >>> From: Anton Ivanov <anton.iva...@cambridgegreys.com> >>> >>> Preemption requires saving/restoring FPU state. This patch >>> adds support for it using GCC intrinsics. >> This patch triggers here the following splat: > > Ack. I will look into it tomorrow. Thx! I had a brief look, UML's init_IRQ() seems to return now with interrupts enabled. Dunno why, I need some sleep now. > > There will be places where it will bomb out. F.E. I am chasing one is > triggered by the NFS server (it may be the same as in this trace - it > happens around the end of the initial setup). > > All in all it looks better than I expected. True that! :-) Thanks, //richard _______________________________________________ linux-um mailing list linux-um@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-um
