>iommu under a lock.
>
> Signed-off-by: Jason Gunthorpe
Acked-by: Rafael J. Wysocki
> ---
> drivers/acpi/arm64/iort.c | 39 -
> drivers/acpi/scan.c | 89 ++-
> drivers/acpi/viot.c | 44 ++-
>
On Fri, Nov 3, 2023 at 5:45 PM Jason Gunthorpe wrote:
>
> Nothing needs this pointer. Return a normal error code with the usual
> IOMMU semantic that ENODEV means 'there is no IOMMU driver'.
>
> Signed-off-by: Jason Gunthorpe
Acked-by: Rafael J. Wysocki
> ---
> dri
l; have a look where you haven't already.
>
>
> New since v1:
>
> - rebase on top of Frederic's rcu-context-tracking rename fest
> - more omap goodness as per the last discusion (thanks Tony!)
> - removed one more RCU_NONIDLE() from arm64/risc-v perf code
> - ubsan/kasan fi
On Sat, Jul 30, 2022 at 11:48 AM Michel Lespinasse
wrote:
>
> On Fri, Jul 29, 2022 at 04:59:50PM +0200, Rafael J. Wysocki wrote:
> > On Fri, Jul 29, 2022 at 12:25 PM Michel Lespinasse
> > wrote:
> > >
> > > On Thu, Jul 28, 2022 at 10:20:53AM -0700, Paul E. Mc
On Fri, Jul 29, 2022 at 12:25 PM Michel Lespinasse
wrote:
>
> On Thu, Jul 28, 2022 at 10:20:53AM -0700, Paul E. McKenney wrote:
> > On Mon, Jul 25, 2022 at 12:43:06PM -0700, Michel Lespinasse wrote:
> > > On Wed, Jun 08, 2022 at 04:27:27PM +0200, Peter Zijlstra wrote:
> > > > Commit c227233ad64c
: warning: objtool: acpi_idle_enter+0x115: call to
> acpi_idle_fallback_to_c1.isra.0() leaves .noinstr.text section
>
> Signed-off-by: Peter Zijlstra (Intel)
Acked-by: Rafael J. Wysocki
> ---
> arch/x86/include/asm/shared/io.h |4 ++--
> drivers/acpi/processor_idle.c
at
> architectures that can idle with IRQs disabled end up doing a
> pointless 'enable-disable' dance.
>
> Therefore, push this IRQ disabling into the idle function, meaning
> that those architectures can avoid the pointless IRQ state flipping.
>
> Signed-off-by: Peter Zijlstr
On Wed, Jun 8, 2022 at 4:46 PM Peter Zijlstra wrote:
>
> The __cpuidle functions will become a noinstr class, as such they need
> explicit annotations.
>
> Signed-off-by: Peter Zijlstra (Intel)
Reviewed-by: Rafael J. Wysocki
> ---
> drivers/cpuidle/poll_state.c |
On Wed, Jun 8, 2022 at 4:47 PM Peter Zijlstra wrote:
>
> All the idle routines are called with RCU disabled, as such there must
> not be any tracing inside.
>
> Signed-off-by: Peter Zijlstra (Intel)
This actually does some additional code duplication cleanup which
would be good to mention in
On Wed, Jun 8, 2022 at 4:47 PM Peter Zijlstra wrote:
>
> Make cpuidle_enter_state() consistent with the s2idle variant and
> verify ->enter() always returns with interrupts disabled.
>
> Signed-off-by: Peter Zijlstra (Intel)
> ---
> drivers/cpuidle/cpuidle.c | 10 +-
> 1 file changed,
On Wed, Jun 8, 2022 at 4:47 PM Peter Zijlstra wrote:
>
> cpuidle_state::enter() methods should be IRQ invariant
>
> Signed-off-by: Peter Zijlstra (Intel)
Reviewed-by: Rafael J. Wysocki
> ---
> drivers/cpuidle/poll_state.c |4 +++-
> 1 file changed, 3 inse
On Wed, Jun 8, 2022 at 4:47 PM Peter Zijlstra wrote:
>
> Typical boot time setup; no need to suffer an indirect call for that.
>
> Signed-off-by: Peter Zijlstra (Intel)
> Reviewed-by: Frederic Weisbecker
Reviewed-by: Rafael J. Wysocki
> ---
> arch/x86/ke
On Wed, Jun 8, 2022 at 5:48 PM Peter Zijlstra wrote:
>
> On Wed, Jun 08, 2022 at 05:01:05PM +0200, Rafael J. Wysocki wrote:
> > On Wed, Jun 8, 2022 at 4:47 PM Peter Zijlstra wrote:
> > >
> > > Commit c227233ad64c ("intel_idle: enable interrupts before C1
lly, it added a branch for no good reason.
>
> Fixes: c227233ad64c ("intel_idle: enable interrupts before C1 on Xeons")
> Signed-off-by: Peter Zijlstra (Intel)
Acked-by: Rafael J. Wysocki
And do I think correctly that this can be applied without the rest of
t
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