On Fri, Jun 15, 2018 at 11:19:09AM +0200, Thomas Gleixner wrote:
> On Thu, 14 Jun 2018, Ricardo Neri wrote:
> > On Wed, Jun 13, 2018 at 11:40:00AM +0200, Thomas Gleixner wrote:
> > > On Tue, 12 Jun 2018, Ricardo Neri wrote:
> > > > @@ -183,
On Fri, Jun 15, 2018 at 09:01:02AM +0100, Julien Thierry wrote:
> Hi Ricardo,
>
> On 15/06/18 03:12, Ricardo Neri wrote:
> >On Wed, Jun 13, 2018 at 11:06:25AM +0100, Marc Zyngier wrote:
> >>On 13/06/18 10:20, Thomas Gleixner wrote:
> >>>On Wed, 13 Jun 2018, Jul
On Fri, Jun 15, 2018 at 12:29:06PM +0200, Thomas Gleixner wrote:
> On Thu, 14 Jun 2018, Ricardo Neri wrote:
> > On Wed, Jun 13, 2018 at 11:48:09AM +0200, Thomas Gleixner wrote:
> > > On Tue, 12 Jun 2018, Ricardo Neri wrote:
> > > > + /
is updated every time a CPU is put online or offline as well as when the
user modifies the mask in /proc/sys/kernel/watchdog_cpumask. This mask
is needed to keep the current behavior of the lockup detector.
Thanks and BR,
Ricardo
Ricardo Neri (23):
x86/apic: Add a parameter for the APIC delivery
..@kernel.org
Cc: io...@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
include/linux/interrupt.h | 3 +++
include/linux/irq.h | 3 +++
kernel/irq/manage.c | 22 +-
3 files changed, 27 insertions(+), 1 deletion(-)
diff --git a/include/linux/interru
Cc: "Rafael J. Wysocki"
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: io...@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
arch/x86/include/asm/hpet.h | 3 +++
arch/x86/kernel/hpet.c | 19 ---
2 files changed, 19 insertions(+), 3 deletions(-
: x...@kernel.org
Cc: io...@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
drivers/char/hpet.c | 31 +--
include/linux/hpet.h | 1 +
2 files changed, 26 insertions(+), 6 deletions(-)
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index be4
all
Cc: Marc Zyngier
Cc: Kai-Heng Feng
Cc: Konrad Rzeszutek Wilk
Cc: David Rientjes
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: io...@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
kernel/Makefile| 1 +
kernel/watchdog_hld_hpet.c | 334 ++
ot;
Cc: Waiman Long
Cc: Josh Poimboeuf
Cc: Randy Dunlap
Cc: Davidlohr Bueso
Cc: Christoffer Dall
Cc: Marc Zyngier
Cc: Kai-Heng Feng
Cc: Konrad Rzeszutek Wilk
Cc: David Rientjes
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: io...@lists.linux-foundation.org
Signed-off-by: Ricardo Ner
: Clemens Ladisch
Cc: Arnd Bergmann
Cc: Philippe Ombredanne
Cc: Kate Stewart
Cc: "Rafael J. Wysocki"
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: io...@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
arch/x86/include/asm/hpet.h | 16 +++
arch/x86/kern
ernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: io...@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
include/linux/nmi.h | 14 ++
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/include/linux/nmi.h b/include/linux/nmi.h
index 23e20d2..8b6b814 100644
--- a/include/linu
Cc: Konrad Rzeszutek Wilk
Cc: David Rientjes
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: io...@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
arch/x86/include/asm/hpet.h | 1 +
kernel/watchdog_hld_hpet.c | 41 -
2 files change
c: io...@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
arch/x86/include/asm/hw_irq.h | 5 +++--
arch/x86/include/asm/msidef.h | 3 +++
arch/x86/kernel/apic/io_apic.c | 2 +-
arch/x86/kernel/apic/msi.c | 2 +-
arch/x86/kernel/apic/vector.c | 8
Cc: Kai-Heng Feng
Cc: Konrad Rzeszutek Wilk
Cc: David Rientjes
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: "David S. Miller"
Cc: Benjamin Herrenschmidt
Cc: io...@lists.linux-foundation.org
Cc: sparcli...@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ri
n Long
Cc: Josh Poimboeuf
Cc: Randy Dunlap
Cc: Davidlohr Bueso
Cc: Christoffer Dall
Cc: Marc Zyngier
Cc: Kai-Heng Feng
Cc: Konrad Rzeszutek Wilk
Cc: David Rientjes
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: io...@lists.linux-foundation.org
Signed-off-by: Ricardo Ne
Raj
Cc: Andi Kleen
Cc: Tony Luck
Cc: Borislav Petkov
Cc: Jacob Pan
Cc: Marc Zyngier
Cc: Bartosz Golaszewski
Cc: Doug Berger
Cc: Palmer Dabbelt
Cc: Randy Dunlap
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: io...@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
inc
Kleen
Cc: Tony Luck
Cc: Borislav Petkov
Cc: Jacob Pan
Cc: Juergen Gross
Cc: Baoquan He
Cc: "Eric W. Biederman"
Cc: Dou Liyang
Cc: Jan Kiszka
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: io...@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
arch/x86/kerne
labs.org
Cc: io...@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
kernel/Makefile| 2 +-
kernel/watchdog_hld.c | 162
kernel/watchdog_hld_perf.c | 182 +
3 files changed, 183 insertions(+),
is R. Rodriguez"
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: sparcli...@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: io...@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
include/linux/nmi.h | 39 +++
ot;
Cc: Waiman Long
Cc: Josh Poimboeuf
Cc: Randy Dunlap
Cc: Davidlohr Bueso
Cc: Christoffer Dall
Cc: Marc Zyngier
Cc: Kai-Heng Feng
Cc: Konrad Rzeszutek Wilk
Cc: David Rientjes
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: io...@lists.linux-foundation.org
Signed-off-by: Ricardo
update the delivery mode when composing the message.
Cc: Ashok Raj
Cc: Andi Kleen
Cc: Tony Luck
Cc: Borislav Petkov
Cc: Jacob Pan
Cc: Joerg Roedel
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: io...@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
dri
Ombredanne
Cc: Kate Stewart
Cc: "Rafael J. Wysocki"
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: io...@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
arch/x86/include/asm/hpet.h | 6 ++
arch/x86/kernel/hpet.c | 6 --
2 files changed, 6 insert
quot;Ravi V. Shankar"
Cc: x...@kernel.org
Cc: sparcli...@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: io...@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
include/linux/nmi.h | 1 +
kernel/watchdog_hld.c | 18 +++---
2 files changed, 12 insertions(+), 7 dele
io...@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
kernel/watchdog.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index b5ce6e4..e2cc6c0 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -149,6 +149,21 @@ i
Ombredanne
Cc: Kate Stewart
Cc: "Rafael J. Wysocki"
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: io...@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
arch/x86/include/asm/hpet.h | 10 ++
arch/x86/kernel/hpet.c | 12 +++-
2 files changed,
stoffer Dall
Cc: Marc Zyngier
Cc: Kai-Heng Feng
Cc: Konrad Rzeszutek Wilk
Cc: David Rientjes
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: io...@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
arch/x86/kernel/hpet.c | 2 +-
kernel/watchdog_hld_hpet.c | 55 +
On Sat, Jun 16, 2018 at 03:24:49PM +0200, Thomas Gleixner wrote:
> On Fri, 15 Jun 2018, Ricardo Neri wrote:
> > On Fri, Jun 15, 2018 at 11:19:09AM +0200, Thomas Gleixner wrote:
> > > On Thu, 14 Jun 2018, Ricardo Neri wrote:
> > > > Alternatively, there could b
On Wed, Jun 13, 2018 at 11:06:25AM +0100, Marc Zyngier wrote:
> On 13/06/18 10:20, Thomas Gleixner wrote:
> > On Wed, 13 Jun 2018, Julien Thierry wrote:
> >> On 13/06/18 09:34, Peter Zijlstra wrote:
> >>> On Tue, Jun 12, 2018 at 05:57:23PM -0700, Ricardo Neri wrot
On Thu, Jun 14, 2018 at 11:41:44AM +1000, Nicholas Piggin wrote:
> On Wed, 13 Jun 2018 18:19:01 -0700
> Ricardo Neri wrote:
>
> > On Wed, Jun 13, 2018 at 10:43:24AM +0200, Peter Zijlstra wrote:
> > > On Tue, Jun 12, 2018 at 05:57:34PM -0700, Ricardo Neri wrote:
>
On Wed, Jun 13, 2018 at 11:48:09AM +0200, Thomas Gleixner wrote:
> On Tue, 12 Jun 2018, Ricardo Neri wrote:
> > + /* There are no CPUs to monitor. */
> > + if (!cpumask_weight(>monitored_mask))
> > + return NMI_HANDLED;
> > +
> &
On Thu, Jun 14, 2018 at 12:32:50PM +1000, Nicholas Piggin wrote:
> On Wed, 13 Jun 2018 18:31:17 -0700
> Ricardo Neri wrote:
>
> > On Wed, Jun 13, 2018 at 09:52:25PM +1000, Nicholas Piggin wrote:
> > > On Wed, 13 Jun 2018 11:26:49 +0200 (CEST)
> > > Thomas Gleixne
On Wed, Jun 13, 2018 at 11:40:00AM +0200, Thomas Gleixner wrote:
> On Tue, 12 Jun 2018, Ricardo Neri wrote:
> > @@ -183,6 +184,8 @@ static irqreturn_t hardlockup_detector_irq_handler(int
> > irq, void *data)
> > if (!(hdata->flags & HPET_DEV_PERI_CAP))
>
On Wed, Jun 13, 2018 at 11:07:20AM +0200, Peter Zijlstra wrote:
> On Tue, Jun 12, 2018 at 05:57:37PM -0700, Ricardo Neri wrote:
>
> +static bool is_hpet_wdt_interrupt(struct hpet_hld_data *hdata)
> +{
> + unsigned long this_isr;
> + unsigned int lvl_trig;
>
On Tue, Jun 12, 2018 at 10:26:57PM -0700, Randy Dunlap wrote:
> On 06/12/2018 05:57 PM, Ricardo Neri wrote:
> > diff --git a/Documentation/admin-guide/kernel-parameters.txt
> > b/Documentation/admin-guide/kernel-parameters.txt
> > index f2040d4..a8833c7 100644
> > ---
On Wed, Jun 13, 2018 at 10:43:24AM +0200, Peter Zijlstra wrote:
> On Tue, Jun 12, 2018 at 05:57:34PM -0700, Ricardo Neri wrote:
> > The current default implementation of the hardlockup detector assumes that
> > it is implemented using perf events.
>
> The sparc and powerpc
On Tue, Jun 12, 2018 at 10:23:47PM -0700, Randy Dunlap wrote:
> Hi,
Hi Randy,
>
> On 06/12/2018 05:57 PM, Ricardo Neri wrote:
> > diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
> > index c40c7b7..6e79833 100644
> > --- a/lib/Kconfig.debug
> > +++ b/lib/Kc
On Wed, Jun 13, 2018 at 10:42:19AM +0200, Peter Zijlstra wrote:
> On Wed, Jun 13, 2018 at 05:41:41PM +1000, Nicholas Piggin wrote:
> > On Tue, 12 Jun 2018 17:57:32 -0700
> > Ricardo Neri wrote:
> >
> > > Instead of exposing individual functions for the operat
t; > On Tue, 12 Jun 2018 17:57:32 -0700
> > > > Ricardo Neri wrote:
> > > >
> > > > > Instead of exposing individual functions for the operations of the NMI
> > > > > watchdog, define a common interface that can be used across multi
On Tue, Jun 19, 2018 at 05:25:09PM -0700, Randy Dunlap wrote:
> On 06/19/2018 05:15 PM, Ricardo Neri wrote:
> > On Sat, Jun 16, 2018 at 03:24:49PM +0200, Thomas Gleixner wrote:
> >> On Fri, 15 Jun 2018, Ricardo Neri wrote:
> >>> On Fri, Jun 15, 2018 at 11:19:09A
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: sparcli...@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ricardo Neri
---
include/linux/nmi.h | 1 +
kernel/watchdog_hld.c | 18 +++---
2 files changed, 12 insertions(+), 7 deletions(-)
diff --git a/include
: Paul Mackerras
Cc: Mathieu Desnoyers
Cc: Masami Hiramatsu
Cc: Peter Zijlstra
Cc: Andrew Morton
Cc: Philippe Ombredanne
Cc: Colin Ian King
Cc: "Luis R. Rodriguez"
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: sparcli...@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Kai-Heng Feng
Cc: Konrad Rzeszutek Wilk
Cc: David Rientjes
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: "David S. Miller"
Cc: Benjamin Herrenschmidt
Cc: sparcli...@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ricardo Neri
---
include/linux/nmi.
"Luis R. Rodriguez"
Cc: Waiman Long
Cc: Josh Poimboeuf
Cc: Randy Dunlap
Cc: Davidlohr Bueso
Cc: Christoffer Dall
Cc: Marc Zyngier
Cc: Kai-Heng Feng
Cc: Konrad Rzeszutek Wilk
Cc: David Rientjes
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: sparcli...@vger.kernel.org
C
On Wed, Feb 27, 2019 at 08:17:58AM -0800, Paul E. McKenney wrote:
> On Wed, Feb 27, 2019 at 08:05:13AM -0800, Ricardo Neri wrote:
> > CPU architectures that have an NMI watchdog use arch_touch_nmi_watchdog()
> > to briefly ignore the hardlockup detector. If the architecture do
On Tue, Apr 09, 2019 at 01:34:21PM +0200, Peter Zijlstra wrote:
> On Wed, Feb 27, 2019 at 08:05:14AM -0800, Ricardo Neri wrote:
> > diff --git a/kernel/watchdog.c b/kernel/watchdog.c
> > index 8fbfda94a67b..367aa81294ef 100644
> > --- a/kernel/watchdog.c
> > +++ b/ker
On Tue, Mar 26, 2019 at 10:22:40PM +0100, Thomas Gleixner wrote:
> On Wed, 27 Feb 2019, Ricardo Neri wrote:
> >
> > -struct cpumask watchdog_allowed_mask __read_mostly;
> > +static struct cpumask watchdog_allowed_mask __read_mostly;
>
> That hunk is correct.
On Tue, Mar 26, 2019 at 10:18:32PM +0100, Thomas Gleixner wrote:
> On Wed, 27 Feb 2019, Ricardo Neri wrote:
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * Detect hard lockups on a system
> > + *
> > + * Copyright (C) Intel Corporation 2019
> > +
On Tue, Mar 26, 2019 at 10:20:41PM +0100, Thomas Gleixner wrote:
> On Thu, 28 Feb 2019, Ricardo Neri wrote:
> > > >
> > > > -#if defined(CONFIG_HARDLOCKUP_DETECTOR_PERF)
> > > > +#if defined(CONFIG_HARDLOCKUP_DETECTOR_PERF) || \
> > > &g
ne Eranian
Cc: Suravee Suthikulpanit
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: sparcli...@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ricardo Neri
---
include/linux/nmi.h | 5 -
kernel/Makefile | 2 +-
kernel/watchdog_hld.c | 32 --
Cc: Kai-Heng Feng
Cc: Konrad Rzeszutek Wilk
Cc: David Rientjes
Cc: Stephane Eranian
Cc: Suravee Suthikulpanit
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: sparcli...@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ricardo Neri
---
include/linux/nmi.h | 2 ++
k
Stephane Eranian
Cc: Suravee Suthikulpanit
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: sparcli...@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ricardo Neri
---
include/linux/nmi.h | 1 +
kernel/watchdog_hld.c | 18 +++---
2 files changed, 12 insertions(
ne Eranian
Cc: Suravee Suthikulpanit
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: sparcli...@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ricardo Neri
---
include/linux/nmi.h | 5 -
kernel/Makefile | 2 +-
kernel/watchdog_hld.c | 32 --
Cc: Kai-Heng Feng
Cc: Konrad Rzeszutek Wilk
Cc: David Rientjes
Cc: Stephane Eranian
Cc: Suravee Suthikulpanit
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: sparcli...@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ricardo Neri
---
include/linux/nmi.h | 2 ++
k
Stephane Eranian
Cc: Suravee Suthikulpanit
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: sparcli...@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ricardo Neri
---
include/linux/nmi.h | 1 +
kernel/watchdog_hld.c | 18 +++---
2 files changed, 12 insertions(
On Fri, May 14, 2021 at 07:14:15PM -0700, Ricardo Neri wrote:
> On Fri, May 14, 2021 at 11:47:45AM +0200, Peter Zijlstra wrote:
> > On Thu, May 13, 2021 at 08:49:08AM -0700, Ricardo Neri wrote:
> > > include/linux/sched/topology.h | 1 +
> > > kernel/sc
their own options.
Cc: "H. Peter Anvin"
Cc: Ashok Raj
Cc: Andi Kleen
Cc: Tony Luck
Cc: Nicholas Piggin
Cc: Peter Zijlstra
Cc: Andrew Morton
Cc: Stephane Eranian
Cc: Suravee Suthikulpanit
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-
jlstra
Cc: Andrew Morton
Cc: Stephane Eranian
Cc: Suravee Suthikulpanit
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ricardo Neri
---
Changes since v4:
* None
Changes since v3:
* Squashed into this patch a previous patch to make
arc
Morton
Cc: Stephane Eranian
Cc: Suravee Suthikulpanit
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ricardo Neri
---
Changes since v4:
* None
Changes since v3:
* None
Changes since v2:
* None
Changes since v1:
* None
---
includ
ranian
Cc: Suravee Suthikulpanit
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ricardo Neri
---
Changes since v4:
* Switching to the perf-based lockup detector under the hood is hacky.
Instead, reconfigure the whole lockup detector.
Chang
On Fri, Aug 27, 2021 at 05:17:22PM +0200, Vincent Guittot wrote:
> On Fri, 27 Aug 2021 at 16:50, Peter Zijlstra wrote:
> >
> > On Fri, Aug 27, 2021 at 12:13:42PM +0200, Vincent Guittot wrote:
> > > > +/**
> > > > + * asym_smt_can_pull_tasks - Check whether the load balancing CPU can
> > > > pull
On Fri, Aug 27, 2021 at 12:13:42PM +0200, Vincent Guittot wrote:
> On Tue, 10 Aug 2021 at 16:41, Ricardo Neri
> wrote:
> > @@ -9540,6 +9629,12 @@ static struct rq *find_busiest_queue(struct lb_env
> > *env,
> > nr_running == 1)
> >
Cc: Tim Chen
Reviewed-by: Joel Fernandes (Google)
Reviewed-by: Len Brown
Originally-by: Peter Zijlstra (Intel)
Signed-off-by: Peter Zijlstra (Intel)
Signed-off-by: Ricardo Neri
---
Changes since v4:
* None
Changes since v3:
* None
Changes since v2:
* Introduced this patch.
Changes
Eggemann
Cc: Mel Gorman
Cc: Quentin Perret
Cc: Rafael J. Wysocki
Cc: Srinivas Pandruvada
Cc: Steven Rostedt
Cc: Tim Chen
Reviewed-by: Joel Fernandes (Google)
Reviewed-by: Len Brown
Signed-off-by: Ricardo Neri
---
Changes since v4:
* None
Changes since v3:
* Further rewording
: Srinivas Pandruvada
Cc: Steven Rostedt
Cc: Tim Chen
Reviewed-by: Joel Fernandes (Google)
Reviewed-by: Len Brown
Signed-off-by: Ricardo Neri
---
Changes since v4:
* Use sg_lb_stats::sum_nr_running the idle state of a scheduling group.
(Vincent, Peter)
* Do not even idle CPUs
Fernandes (Google)
Cc: Mel Gorman
Cc: Quentin Perret
Cc: Rafael J. Wysocki
Cc: Srinivas Pandruvada
Cc: Steven Rostedt
Cc: Tim Chen
Originally-by: Len Brown
Signed-off-by: Len Brown
Signed-off-by: Ricardo Neri
---
Changes since v4:
* None
Changes since v3:
* Introduced this patch
Changes
Cc: Quentin Perret
Cc: Rafael J. Wysocki
Cc: Srinivas Pandruvada
Cc: Steven Rostedt
Cc: Tim Chen
Reviewed-by: Joel Fernandes (Google)
Reviewed-by: Len Brown
Originally-by: Peter Zijlstra (Intel)
Signed-off-by: Peter Zijlstra (Intel)
Signed-off-by: Ricardo Neri
---
Changes since v4
On Wed, Sep 15, 2021 at 05:43:44PM +0200, Vincent Guittot wrote:
> On Sat, 11 Sept 2021 at 03:19, Ricardo Neri
> wrote:
> >
> > When deciding to pull tasks in ASYM_PACKING, it is necessary not only to
> > check for the idle state of the destination CPU, dst_cpu, but also
Zijlstra (Intel)
Signed-off-by: Ricardo Neri
---
Changes since v3:
* Remove a redundant check for the local group in sched_asym().
(Dietmar)
* Reworded commit message for clarity. (Len)
Changes since v2:
* Introduced this patch.
Changes since v1:
* N/A
---
kernel/sched/fair.c | 20
Fernandes (Google)
Cc: Mel Gorman
Cc: Quentin Perret
Cc: Rafael J. Wysocki
Cc: Srinivas Pandruvada
Cc: Steven Rostedt
Cc: Tim Chen
Originally-by: Len Brown
Signed-off-by: Len Brown
Signed-off-by: Ricardo Neri
---
Changes since v3:
* Introduced this patch
Changes since v2:
* N/A
Changes
].
https://lore.kernel.org/lkml/20210406041108.7416-1-ricardo.neri-calde...@linux.intel.com/
[2].
https://lore.kernel.org/lkml/20210414020436.12980-1-ricardo.neri-calde...@linux.intel.com/
[3].
https://lore.kernel.org/lkml/20210513154909.6385-1-ricardo.neri-calde...@linux.intel.com/
Ricardo Neri
Cc: Quentin Perret
Cc: Rafael J. Wysocki
Cc: Srinivas Pandruvada
Cc: Steven Rostedt
Cc: Tim Chen
Reviewed-by: Joel Fernandes (Google)
Reviewed-by: Len Brown
Originally-by: Peter Zijlstra (Intel)
Signed-off-by: Peter Zijlstra (Intel)
Signed-off-by: Ricardo Neri
---
Changes since v3
Cc: Tim Chen
Reviewed-by: Joel Fernandes (Google)
Reviewed-by: Len Brown
Originally-by: Peter Zijlstra (Intel)
Signed-off-by: Peter Zijlstra (Intel)
Signed-off-by: Ricardo Neri
---
Changes since v3:
* None
Changes since v2:
* Introduced this patch.
Changes since v1:
* N/A
---
kernel
Eggemann
Cc: Mel Gorman
Cc: Quentin Perret
Cc: Rafael J. Wysocki
Cc: Srinivas Pandruvada
Cc: Steven Rostedt
Cc: Tim Chen
Reviewed-by: Joel Fernandes (Google)
Reviewed-by: Len Brown
Signed-off-by: Ricardo Neri
---
Changes since v3:
* Further rewording of the commit message. (Len
: Srinivas Pandruvada
Cc: Steven Rostedt
Cc: Tim Chen
Reviewed-by: Joel Fernandes (Google)
Reviewed-by: Len Brown
Signed-off-by: Ricardo Neri
---
Changes since v3:
* Removed the arch_asym_check_smt_siblings() hook. Discussions with the
powerpc folks showed that this patch should not impact
S
> > verify: PASS
> >
> > Parameters:
> > Tree: next
> > URL:
> > https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> > Branch: master
> > Target: rk3328-rock64
> > CPU arch: arm64
> > Lab: lab-baylibre
> > Compil
nkar"
> > Cc: io...@lists.linux-foundation.org
> > Cc: linuxppc-dev@lists.ozlabs.org
> > Cc: x...@kernel.org
> > Suggested-by: Thomas Gleixner
> > Reviewed-by: Tony Luck
> > Signed-off-by: Ricardo Neri
> > ---
> > Changes since v5:
> > * Relocated
On Mon, May 09, 2022 at 03:59:40PM +0200, Thomas Gleixner wrote:
> On Thu, May 05 2022 at 17:00, Ricardo Neri wrote:
> > Add a NMI_WATCHDOG as a new category of NMI handler. This new category
> > is to be used with the HPET-based hardlockup detector. This detector
> > does
ed tsc_khz.
> >
> > When the HPET hardlockup is not in use, restarting the NMI watchdog is
> > a noop.
> >
> > Cc: Andi Kleen
> > Cc: Stephane Eranian
> > Cc: "Ravi V. Shankar"
> > Cc: io...@lists.linux-foundation.org
> > Cc: linuxp
On Tue, May 10, 2022 at 01:44:05PM +0200, Thomas Gleixner wrote:
> On Tue, May 10 2022 at 21:16, Nicholas Piggin wrote:
> > Excerpts from Ricardo Neri's message of May 6, 2022 10:00 am:
> >> + /*
> >> + * If in use, the HPET hardlockup detector relies on tsc_khz.
> >> + * Reconfigure it to
On Sat, May 14, 2022 at 10:17:38AM +0200, Thomas Gleixner wrote:
> On Fri, May 13 2022 at 14:19, Ricardo Neri wrote:
> > On Fri, May 06, 2022 at 11:41:13PM +0200, Thomas Gleixner wrote:
> >> The argument about not bloating the code
> >> with an "obvious??
On Fri, May 06, 2022 at 09:48:28PM +0200, Thomas Gleixner wrote:
> Ricardo,
Thank you very much for your feedback Thomas! I am sorry for my late reply, I
had been out of office.
>
> On Thu, May 05 2022 at 16:59, Ricardo Neri wrote:
> > Certain types of interrupts, such as N
On Fri, May 06, 2022 at 10:05:34PM +0200, Thomas Gleixner wrote:
> On Thu, May 05 2022 at 16:59, Ricardo Neri wrote:
> > There are no restrictions in hardware to set MSI messages with its
> > own delivery mode.
>
> "messages with its own" ? Plural/singular confu
On Fri, May 06, 2022 at 09:53:54PM +0200, Thomas Gleixner wrote:
> On Thu, May 05 2022 at 16:59, Ricardo Neri wrote:
> > Currently, the delivery mode of all interrupts is set to the mode of the
> > APIC driver in use. There are no restrictions in hardware to configure the
> >
On Fri, May 06, 2022 at 11:12:20PM +0200, Thomas Gleixner wrote:
> On Thu, May 05 2022 at 16:59, Ricardo Neri wrote:
> > Vectors are meaningless when allocating IRQs with NMI as the delivery
> > mode.
>
> Vectors are not meaningless. NMI has a fixed vector.
>
> Th
On Fri, May 06, 2022 at 11:26:22PM +0200, Thomas Gleixner wrote:
> On Thu, May 05 2022 at 16:59, Ricardo Neri wrote:
> >
> > + if (info->flags & X86_IRQ_ALLOC_AS_NMI) {
> > + /* Only one IRQ per NMI */
> > + if (nr_irqs != 1)
> > +
On Fri, May 06, 2022 at 11:31:56PM +0200, Thomas Gleixner wrote:
> On Thu, May 05 2022 at 16:59, Ricardo Neri wrote:
> > +*
> > +* Also, NMIs do not have an associated vector. No need for cleanup.
>
> They have a vector and what the heck is this cle
On Fri, May 06, 2022 at 11:23:23PM +0200, Thomas Gleixner wrote:
> On Thu, May 05 2022 at 16:59, Ricardo Neri wrote:
> > The Intel IOMMU interrupt remapping driver already programs correctly the
> > delivery mode of individual irqs as per their irq_data. Improve handling
> >
On Fri, May 06, 2022 at 11:51:52PM +0200, Thomas Gleixner wrote:
> On Fri, May 06 2022 at 23:41, Thomas Gleixner wrote:
> > On Thu, May 05 2022 at 16:59, Ricardo Neri wrote:
> >> Programming an HPET channel as periodic requires setting the
> >> HPET_TN_SETVAL bit in the
On Mon, May 09, 2022 at 04:03:39PM +0200, Thomas Gleixner wrote:
> On Thu, May 05 2022 at 17:00, Ricardo Neri wrote:
> > + if (is_hpet_hld_interrupt(hdata)) {
> > + /*
> > +* Kick the timer first. If the HPET channel is periodic, it
> > +
On Tue, May 10, 2022 at 08:46:41PM +1000, Nicholas Piggin wrote:
> Excerpts from Ricardo Neri's message of May 6, 2022 10:00 am:
> > Prepare hardlockup_panic_setup() to handle a comma-separated list of
> > options. Thus, it can continue parsing its own command-line options while
> > ignoring
On Tue, May 10, 2022 at 08:38:22PM +1000, Nicholas Piggin wrote:
> Excerpts from Ricardo Neri's message of May 6, 2022 9:59 am:
> > Certain implementations of the hardlockup detector require support for
> > Inter-Processor Interrupt shorthands. On x86, support for these can only
> > be determined
On Fri, May 13, 2022 at 10:50:09PM +0200, Thomas Gleixner wrote:
> On Fri, May 13 2022 at 11:03, Ricardo Neri wrote:
> > On Fri, May 06, 2022 at 11:12:20PM +0200, Thomas Gleixner wrote:
> >> Why would a NMI ever end up in this code? There is no vector management
> >>
On Fri, May 06, 2022 at 11:41:13PM +0200, Thomas Gleixner wrote:
> On Thu, May 05 2022 at 16:59, Ricardo Neri wrote:
> > Programming an HPET channel as periodic requires setting the
> > HPET_TN_SETVAL bit in the channel configuration. Plus, the comparator
> > register must b
Kleen
Cc: "Ravi V. Shankar"
Cc: Stephane Eranian
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: x...@kernel.org
Reviewed-by: Tony Luck
Signed-off-by: Ricardo Neri
---
Changes since v5:
* Introduced this patch.
Changes since v4:
* N/A
Changes sinc
using the delivery mode of the APIC driver in use.
Cc: Andi Kleen
Cc: "Ravi V. Shankar"
Cc: Stephane Eranian
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: x...@kernel.org
Suggested-by: Thomas Gleixner
Reviewed-by: Tony Luck
Signed-off-by: Ricardo Neri
-
functional changes.
Cc: Andi Kleen
Cc: David Woodhouse
Cc: "Ravi V. Shankar"
Cc: Lu Baolu
Cc: Stephane Eranian
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: x...@kernel.org
Reviewed-by: Ashok Raj
Reviewed-by: Tony Luck
Reviewed-by: Lu Baolu
Signed-off-by: Ri
ists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: x...@kernel.org
Suggested-by: Ashok Raj
Reviewed-by: Lu Baolu
Signed-off-by: Ricardo Neri
---
Changes since v5:
* Introduced this patch.
Changes since v4:
* N/A
Changes since v3:
* N/A
Changes since v2:
* N/A
Changes sinc
Signed-off-by: Ricardo Neri
---
When programming the HPET channel in periodic mode, a udelay(1) between
the two successive writes to HPET_Tn_CMP was introduced in commit
e9e2cdb41241 ("[PATCH] clockevents: i386 drivers"). The commit message
does not give any reason for such delay. The hardwar
the reservation of a channel for it.
Cc: Andi Kleen
Cc: "Ravi V. Shankar"
Cc: Stephane Eranian
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: x...@kernel.org
Suggested-by: Thomas Gleixner
Reviewed-by: Tony Luck
Signed-off-by: Ricardo Neri
---
Changes since v5:
*
t;
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: x...@kernel.org
Reviewed-by: Tony Luck
Signed-off-by: Ricardo Neri
---
Changes since v5:
* None
Changes since v4:
* None
Changes since v3:
* Squashed into this patch a previous patch to make
arch_touch_nmi_watch
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