----- 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: Freitag, 22. September 2023 08:52:12 > Betreff: [PATCH v5] 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. Can you please state in future patches what you have changed since the last one? > Signed-off-by: Anton Ivanov <anton.iva...@cambridgegreys.com> > diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c > index 7d050ab0f78a..34ec8e677fb9 100644 > --- a/arch/um/kernel/tlb.c > +++ b/arch/um/kernel/tlb.c > @@ -362,6 +362,9 @@ static int flush_tlb_kernel_range_common(unsigned long > start, unsigned long end) > > mm = &init_mm; > hvc = INIT_HVC(mm, force, userspace); > + > + preempt_disable(); > + Does this address the bootup splat I've reported yesterday? Thanks, //richard _______________________________________________ linux-um mailing list linux-um@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-um
