Oops, I intended to send this to trybot and intel-xe (not intel-gfx), sorry. But now it's too late and if I send it there, we will just use more resources. -- Cheers, Luca. On Mon, 2024-12-09 at 15:53 +0200, Luca Coelho wrote: > This reverts commit 560af5dc839eef08a273908f390cfefefb82aa04. > > Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx> > --- > > It seems that we have a few issues with this configuration in xe and > in i915. Let's try to revert it to see if the problems we're seeing > go away. > > Note, these are _real_ issues, but only if CONFIG_RT is enabled, so the actual issues need to be solved properly, but we can revert this change until then, to avoid regressions. > > > lib/Kconfig.debug | 12 ++++++++++-- > 1 file changed, 10 insertions(+), 2 deletions(-) > > diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug > index f3d723705879..de4ffe09323b 100644 > --- a/lib/Kconfig.debug > +++ b/lib/Kconfig.debug > @@ -1397,14 +1397,22 @@ config PROVE_LOCKING > For more details, see Documentation/locking/lockdep-design.rst. > > config PROVE_RAW_LOCK_NESTING > - bool > + bool "Enable raw_spinlock - spinlock nesting checks" > depends on PROVE_LOCKING > - default y > + default n > help > Enable the raw_spinlock vs. spinlock nesting checks which ensure > that the lock nesting rules for PREEMPT_RT enabled kernels are > not violated. > > + NOTE: There are known nesting problems. So if you enable this > + option expect lockdep splats until these problems have been fully > + addressed which is work in progress. This config switch allows to > + identify and analyze these problems. It will be removed and the > + check permanently enabled once the main issues have been fixed. > + > + If unsure, select N. > + > config LOCK_STAT > bool "Lock usage statistics" > depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT
