Hi Peter,
On Wed, 08 Jun 2022 16:27:27 +0200, Peter Zijlstra
wrote:
> Commit c227233ad64c ("intel_idle: enable interrupts before C1 on
> Xeons") wrecked intel_idle in two ways:
>
> - must not have tracing in idle functions
> - must return with IRQs disabled
>
> Additionally, it added a branc
Zheng Zengkai writes:
> The arch support status files don't match reality as of v5.19-rc1,
> use the features-refresh.sh to refresh all the arch-support.txt files
> in place.
>
> Signed-off-by: Zheng Zengkai
I've applied this, but added a note to the changelog saying that the
main change is to
My emails are getting rejected... Let me try web-interface
Kudos to Petr for the questions and thanks to PeterZ for the answers.
On Thu, Jun 9, 2022 at 7:02 PM Peter Zijlstra wrote:
> This is the tracepoint used to spool all of printk into ftrace, I
> suspect there's users, but I haven't used it
On Thu, Jun 09, 2022 at 11:16:46AM +0200, Petr Mladek wrote:
> On Wed 2022-06-08 16:27:47, Peter Zijlstra wrote:
> > The problem, per commit fc98c3c8c9dc ("printk: use rcuidle console
> > tracepoint"), was printk usage from the cpuidle path where RCU was
> > already disabled.
> >
> > Per the patch
On Thu, Jun 09, 2022 at 10:39:22AM +0300, Tony Lindgren wrote:
> * Arnd Bergmann [220608 18:18]:
> > On Wed, Jun 8, 2022 at 4:27 PM Peter Zijlstra wrote:
> > >
> > > arch_cpu_idle() is a very simple idle interface and exposes only a
> > > single idle state and is expected to not require RCU and n
On Wed, Jun 08, 2022 at 06:28:33PM +0200, Arnd Bergmann wrote:
> On Wed, Jun 8, 2022 at 4:27 PM Peter Zijlstra wrote:
> >
> > arch_cpu_idle() is a very simple idle interface and exposes only a
> > single idle state and is expected to not require RCU and not do any
> > tracing/instrumentation.
> >
* Arnd Bergmann [220608 18:18]:
> On Wed, Jun 8, 2022 at 4:27 PM Peter Zijlstra wrote:
> >
> > arch_cpu_idle() is a very simple idle interface and exposes only a
> > single idle state and is expected to not require RCU and not do any
> > tracing/instrumentation.
> >
> > As such, omap_sram_idle()
