vi V. Shankar"
> > Cc: iommu@lists.linux-foundation.org
> > Cc: linuxppc-...@lists.ozlabs.org
> > Cc: x...@kernel.org
> > Suggested-by: Thomas Gleixner
> > Reviewed-by: Tony Luck
> > Signed-off-by: Ricardo Neri
> > ---
> > Changes since v5:
> > * Reloc
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 not
c_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: iommu@lists.linux-foundation.org
> > Cc: l
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 mak
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???&q
y mode.
* With interrupt remapping enabled, use request_irq().
* Added support for AMD IOMMU.
Changes since v3:
* None
Changes since v2:
* None
Changes since v1:
* Introduced support for interrupt remapping
Ricardo Neri (7):
x86/apic: Add irq_cfg::delivery_mode
x86/hpet: Introduce function t
"
Cc: Ingo Molnar
Cc: Jacob Pan
Cc: Lu Baolu (supporter:INTEL IOMMU (VT-d))
Cc: Stephane Eranian
Cc: Thomas Gleixner
Cc: iommu@lists.linux-foundation.org (open list:INTEL IOMMU (VT-d))
Cc: x...@kernel.org
Reviewed-by: Ashok Raj
Signed-off-by: Ricardo Neri
---
Changes since v4:
* Introduced
(VT-d))
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri
---
Changes since v4:
* Use request_irq() to obtain an IRTE for the HPET hardlockup detector
instead of the custom interfaces previously implemented in the
interrupt remapping drivers.
* Simplified detection of interrupt remapping by ch
rter:INTEL IOMMU (VT-d))
Cc: Stephane Eranian
Cc: Thomas Gleixner
Cc: iommu@lists.linux-foundation.org (open list:INTEL IOMMU (VT-d))
Cc: x86@kernel.orgReviewed-by: Ashok Raj
Signed-off-by: Ricardo Neri
---
Changes since v4:
* Rebased to use new enumeration apic_delivery_modes.
Changes since v
Cc: Thomas Gleixner
Cc: iommu@lists.linux-foundation.org (open list:INTEL IOMMU (VT-d))
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri
---
Changes since v4:
* Introduced this patch.
Changes since v3:
* N/A
Changes since v2:
* N/A
Changes since v1:
* N/A
---
drivers/iommu/amd/iommu.c | 9 ++
: Stephane Eranian
Cc: Thomas Gleixner
Cc: iommu@lists.linux-foundation.org (open list:INTEL IOMMU (VT-d))
Cc: x...@kernel.org
Reviewed-by: Ashok Raj
Signed-off-by: Ricardo Neri
---
Changes since v4:
* Introduced this patch. Previous versions had special functions to
allocate and set the aff
eixner
Cc: iommu@lists.linux-foundation.org (open list:INTEL IOMMU (VT-d))
Cc: x...@kernel.org
Reviewed-by: Ashok Raj
Signed-off-by: Ricardo Neri
---
Changes since v4:
* Introduced this patch.
Changes since v3:
* N/A
Changes since v2:
* N/A
Changes since v1:
* N/A
---
drivers/i
eviewed-by: Ashok Raj
Signed-off-by: Ricardo Neri
---
Changes since v4:
* None
Changes since v3:
* None
Changes since v2:
* None
Changes since v1:
* Introduced this patch.
---
drivers/iommu/intel/irq_remapping.c | 11 +--
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git
On Wed, May 05, 2021 at 01:03:18AM +0200, Thomas Gleixner wrote:
> On Tue, May 04 2021 at 12:10, Ricardo Neri wrote:
Thank you very much for your feedback, Thomas. I am sorry it took me a
while to reply to your email. I needed to digest and research your
comments.
> > In x86 there
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: iommu@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
inc
c: iommu@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
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: iommu@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
dri
tion.org
Signed-off-by: Ricardo Neri
---
arch/x86/kernel/apic/msi.c | 5 -
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kernel/apic/msi.c b/arch/x86/kernel/apic/msi.c
index 12202ac..68b6a04 100644
--- a/arch/x86/kernel/apic/msi.c
+++ b/arch/x86/kernel/apic/msi.c
Andi 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: iommu@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
arch/x86/
kernel.org
Cc: iommu@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
Ombredanne
Cc: Kate Stewart
Cc: "Rafael J. Wysocki"
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: iommu@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,
;
Cc: x...@kernel.org
Cc: iommu@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 be42
Cc: "Rafael J. Wysocki"
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: iommu@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(-
Ombredanne
Cc: Kate Stewart
Cc: "Rafael J. Wysocki"
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: iommu@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
is R. Rodriguez"
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: sparcli...@vger.kernel.org
Cc: linuxppc-...@lists.ozlabs.org
Cc: iommu@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
include/linux/nmi.h | 39 +++
quot;Ravi V. Shankar"
Cc: x...@kernel.org
Cc: sparcli...@vger.kernel.org
Cc: linuxppc-...@lists.ozlabs.org
Cc: iommu@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
: Clemens Ladisch
Cc: Arnd Bergmann
Cc: Philippe Ombredanne
Cc: Kate Stewart
Cc: "Rafael J. Wysocki"
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: iommu@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
arch/x86/include/asm/hpet.h | 16 +++
arch/x86/kern
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: iommu@lists.linux-foundation.org
Cc: sparcli...@vger.kernel.org
Cc: linuxppc-...@lists.ozlabs.org
Signed-off-by: Ri
ts.ozlabs.org
Cc: iommu@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 insertion
all
Cc: Marc Zyngier
Cc: Kai-Heng Feng
Cc: Konrad Rzeszutek Wilk
Cc: David Rientjes
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: iommu@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: iommu@lists.linux-foundation.org
Signed-off-by: Ricardo Ner
el.org
Cc: linuxppc-...@lists.ozlabs.org
Cc: iommu@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
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: iommu@lists.linux-foundation.org
Signed-off-by: Ricardo Neri
---
arch/x86/kernel/hpet.c | 2 +-
kernel/watchdog_hld_hpet.c | 55 +
Cc: Konrad Rzeszutek Wilk
Cc: David Rientjes
Cc: "Ravi V. Shankar"
Cc: x...@kernel.org
Cc: iommu@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
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: iommu@lists.linux-foundation.org
Signed-off-by: Ricardo
iommu@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
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: iommu@lists.linux-foundation.org
Signed-off-by: Ricardo Ne
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 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 10:43:24AM +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 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 multiple
>
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 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 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(&hdata->monitored_mask))
> > + return NMI_HANDLED;
> > +
&g
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 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 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:
> > > > + /* There are no CPUs to
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 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 be a
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
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