Detect calls to schedule() between user_enter() and user_exit(). Those
are symptoms of early entry code that either forgot to protect a call
to schedule() inside exception_enter()/exception_exit() or, in the case
of HAVE_CONTEXT_TRACKING_OFFSTACK, enabled interrupts or preemption in
a wrong spot.
Detect calls to schedule() between user_enter() and user_exit(). Those
are symptoms of early entry code that either forgot to protect a call
to schedule() inside exception_enter()/exception_exit() or, in the case
of HAVE_CONTEXT_TRACKING_OFFSTACK, enabled interrupts or preemption in
a wrong spot.
On Wed, Oct 07, 2020 at 10:34:36AM +0100, Mel Gorman wrote:
> On Mon, Oct 05, 2020 at 02:26:48PM +0200, Frederic Weisbecker wrote:
> > On Mon, Oct 05, 2020 at 01:23:53PM +0200, Peter Zijlstra wrote:
> > > On Mon, Oct 05, 2020 at 12:49:17PM +0200, Frederic Weisbecker wrote:
> > > > Detect calls to s
On Mon, Oct 05, 2020 at 02:26:48PM +0200, Frederic Weisbecker wrote:
> On Mon, Oct 05, 2020 at 01:23:53PM +0200, Peter Zijlstra wrote:
> > On Mon, Oct 05, 2020 at 12:49:17PM +0200, Frederic Weisbecker wrote:
> > > Detect calls to schedule() between user_enter() and user_exit(). Those
> > > are symp
On Mon, Oct 05, 2020 at 01:23:53PM +0200, Peter Zijlstra wrote:
> On Mon, Oct 05, 2020 at 12:49:17PM +0200, Frederic Weisbecker wrote:
> > Detect calls to schedule() between user_enter() and user_exit(). Those
> > are symptoms of early entry code that either forgot to protect a call
> > to schedule
On Mon, Oct 05, 2020 at 12:49:17PM +0200, Frederic Weisbecker wrote:
> Detect calls to schedule() between user_enter() and user_exit(). Those
> are symptoms of early entry code that either forgot to protect a call
> to schedule() inside exception_enter()/exception_exit() or, in the case
> of HAVE_C
Detect calls to schedule() between user_enter() and user_exit(). Those
are symptoms of early entry code that either forgot to protect a call
to schedule() inside exception_enter()/exception_exit() or, in the case
of HAVE_CONTEXT_TRACKING_OFFSTACK, enabled interrupts or preemption in
a wrong spot.
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