On Tue, Mar 05, 2019 at 09:34:13PM +0800, Kairui Song wrote:
> On Tue, Mar 5, 2019 at 8:33 PM Peter Zijlstra wrote:
> >
> > On Tue, Mar 05, 2019 at 08:17:03PM +0800, Kairui Song wrote:
> > > diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c
> > > index 7abb09e2eeb8..34aa1e953dfc 1
On Tue, Mar 5, 2019 at 8:33 PM Peter Zijlstra wrote:
>
> On Tue, Mar 05, 2019 at 08:17:03PM +0800, Kairui Song wrote:
> > diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c
> > index 7abb09e2eeb8..34aa1e953dfc 100644
> > --- a/arch/x86/hyperv/hv_init.c
> > +++ b/arch/x86/hyperv/hv_
On Tue, Mar 05, 2019 at 08:17:03PM +0800, Kairui Song wrote:
> diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c
> index 7abb09e2eeb8..34aa1e953dfc 100644
> --- a/arch/x86/hyperv/hv_init.c
> +++ b/arch/x86/hyperv/hv_init.c
> @@ -406,6 +406,12 @@ void hyperv_cleanup(void)
> /*
After commit 68bb7bfb7985 ("X86/Hyper-V: Enable IPI enlightenments"),
kexec will fail with a kernel panic like this:
kexec_core: Starting new kernel
BUG: unable to handle kernel NULL pointer dereference at
PGD 800057995067 P4D 800057995067 PUD 57990067 PMD 0
Oops: 0002 [#1
