On Fri, 6 Jan 2017, Miroslav Benes wrote:
> The Limitations section of the documentation describes the impossibility
> to livepatch anything that is inlined to __schedule() function. This had
> been true till 4.9 kernel came. Thanks to commit 0100301bfdf5
> ("sched/x86: Rewrite the switch_to()
On Mon, Jan 09, 2017 at 01:50:19PM +0100, Miroslav Benes wrote:
> There is still one thing which I don't understand. Why __schedule()
> (patched or the original) is not on the stack. The actual "sleep"
> should happen in __switch_to_asm() which is C function now. And there is a
> call to
On Fri, 6 Jan 2017, Josh Poimboeuf wrote:
> On Fri, Jan 06, 2017 at 03:00:45PM +0100, Miroslav Benes wrote:
> >
> > 2. reversion of the process does not work as expected. The kernel
> > crashes after the removal of the module. A task very likely slept in
> > schedule and was not migrated
On Fri, Jan 06, 2017 at 03:00:45PM +0100, Miroslav Benes wrote:
> The Limitations section of the documentation describes the impossibility
> to livepatch anything that is inlined to __schedule() function. This had
> been true till 4.9 kernel came. Thanks to commit 0100301bfdf5
> ("sched/x86:
On Fri, 6 Jan 2017, Petr Mladek wrote:
> On Fri 2017-01-06 15:00:45, Miroslav Benes wrote:
> > The Limitations section of the documentation describes the impossibility
> > to livepatch anything that is inlined to __schedule() function. This had
> > been true till 4.9 kernel came. Thanks to commit
On Fri 2017-01-06 15:00:45, Miroslav Benes wrote:
> The Limitations section of the documentation describes the impossibility
> to livepatch anything that is inlined to __schedule() function. This had
> been true till 4.9 kernel came. Thanks to commit 0100301bfdf5
> ("sched/x86: Rewrite the
The Limitations section of the documentation describes the impossibility
to livepatch anything that is inlined to __schedule() function. This had
been true till 4.9 kernel came. Thanks to commit 0100301bfdf5
("sched/x86: Rewrite the switch_to() code") from Brian Gerst there is
__switch_to_asm
