Re: [Xen-devel] [PATCH] xen/sched: don't let XEN_RUNSTATE_UPDATE leak into vcpu_runstate_get()

[Jürgen Groß <jgross@xxxxxxxx>]

On 24.09.19 17:16, Jan Beulich wrote:
> On 24.09.2019 09:42, Juergen Gross wrote:
> > vcpu_runstate_get() should never return a state entry time with
> > XEN_RUNSTATE_UPDATE set. To avoid this let update_runstate_area()
> > operate on a local runstate copy.
> >
> > This problem was introduced with commit 2529c850ea48f036 ("add update
> > indicator to vcpu_runstate_info").
> >
> > Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
> > ---
> >   xen/arch/x86/domain.c | 17 ++++++++++-------
> >   1 file changed, 10 insertions(+), 7 deletions(-)
> I had this committed already and was about to push, but this
> definitely wants a similar change for Arm.
Oh, I was fooled by cscope again, which gets fed an arch specific
file list.

Sending V2 soon.


Juergen


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