On Tue, Jun 02, 2020 at 05:05:11PM +0200, Peter Zijlstra wrote:
> On Tue, Jun 02, 2020 at 10:42:35AM -0400, Qian Cai wrote:
>
> > Reverted this commit fixed the POWER9 boot warning,
>
> ARGH, I'm an idiot. Please try this instead:
>
>
> diff --git a/kernel/softirq.c b/kernel/softirq.c
> index
On Tue, Jun 02, 2020 at 10:42:35AM -0400, Qian Cai wrote:
> Reverted this commit fixed the POWER9 boot warning,
ARGH, I'm an idiot. Please try this instead:
diff --git a/kernel/softirq.c b/kernel/softirq.c
index a3eb6eba8c41..c4201b7f42b1 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@
On Fri, May 29, 2020 at 11:27:39PM +0200, Peter Zijlstra wrote:
> Because:
>
> irq_enter_rcu() includes lockdep_hardirq_enter()
> irq_exit_rcu() does *NOT* include lockdep_hardirq_exit()
>
> Which resulted in two 'stray' lockdep_hardirq_exit() calls in
> idtentry.h, and me spending a long
Because:
irq_enter_rcu() includes lockdep_hardirq_enter()
irq_exit_rcu() does *NOT* include lockdep_hardirq_exit()
Which resulted in two 'stray' lockdep_hardirq_exit() calls in
idtentry.h, and me spending a long time trying to find the matching
enter calls.
Signed-off-by: Peter Zijlstra
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