some confusing.
>
> Suggested-by: Valentin Schneider
> Signed-off-by: Alex Shi
FWIW, Reviewed-by: Ricardo Neri
On Wed, Mar 01, 2023 at 03:47:29PM -0800, Ricardo Neri wrote:
> Hi x86 trusted reviewers,
>
> This is the seventh version of this patchset. I acknowledge that it took me
> a long time to post a new version. Sorry! I will commit time to continue
> working on this series with high
hardlockup detector.
Cc: Andi Kleen
Cc: Stephane Eranian
Cc: "Ravi V. Shankar"
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Suggested-by: Thomas Gleixner
Reviewed-by: Tony Luck
Signed-off-by: Ricardo Neri
---
Changes since v6:
* Do not switch to the perf
nuxppc-dev@lists.ozlabs.org
Suggested-by: Nicholas Piggin
Reviewed-by: Tony Luck
Signed-off-by: Ricardo Neri
---
Changes since v6:
* None
Changes since v5:
* Added watchdog_nmi_start() to be used when the watchdog is
reconfigured.
* Always build the x86-specific hardlockup detector shim
)) 0.01550 155.020.00158 157.56 0.00020 117.74
Cc: Andi Kleen
Cc: Stephane Eranian
Cc: "Ravi V. Shankar"
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Suggested-by: Andi Kleen
Reviewed-by: Tony Luck
Signed-off-by: Ricardo Neri
---
NOTE:
the state of /proc/sys/kernel/
nmi_watchdog to keep it consistent.
Cc: Andi Kleen
Cc: Stephane Eranian
Cc: "Ravi V. Shankar"
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ricardo Neri
---
Changes since v6:
* Introduced this patch
Changes sinc
: Stephane Eranian
Cc: "Ravi V. Shankar"
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Reviewed-by: Tony Luck
Signed-off-by: Ricardo Neri
--
Changes since v6:
* Do not reuse the nmi_watchdog command line option. Instead, use a
separate command line option. (Nicho
g
Reviewed-by: Tony Luck
Acked-by: Nicholas Piggin
Signed-off-by: Ricardo Neri
---
Changes since v6:
* None
Changes since v5:
* Introduced this patch
Changes since v4:
* N/A
Changes since v3:
* N/A
Changes since v2:
* N/A
Changes since v1:
* N/A
---
init/main.c | 4 +++-
1 file
...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Reviewed-by: Tony Luck
Signed-off-by: Ricardo Neri
---
Changes since v6:
* Added missing header asm/nmi.h. linux/nmi.h #includes it only if
CONFIG_HAVE_NMI_WATCHDOG selected. Such option is not selected for
ARCH=x86.
* Removed
t;
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Reviewed-by: Tony Luck
Signed-off-by: Ricardo Neri
---
Changes since v6:
* None
Changes since v5:
* None
Changes since v4:
* None
Changes since v3:
* Squashed into this patch a previous patch to make
arch_touch_nm
Tony Luck
Signed-off-by: Ricardo Neri
---
Changes since v6:
* None
Changes since v5:
* None
Changes since v4:
* None
Changes since v3:
* None
Changes since v2:
* None
Changes since v1:
* None
---
include/linux/nmi.h | 1 +
kernel/watchdog_hld.c | 18 +++---
2 files c
Kleen
Cc: Stephane Eranian
Cc: "Ravi V. Shankar"
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Reviewed-by: Tony Luck
Signed-off-by: Ricardo Neri
---
Changes since v6:
* Reworded the commit message for clarity.
* Removed pointless global variable hld_data
"
Cc: Stephane Eranian
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Suggested-by: Thomas Gleixner
Reviewed-by: Tony Luck
Signed-off-by: Ricardo Neri
---
Changes since v6:
* None
Changes since v5:
* Introduced this patch.
Changes since v4:
* N/A
Changes sinc
Tony Luck
Signed-off-by: Ricardo Neri
---
Changes since v6:
* None
Changes since v5:
* None
Changes since v4:
* Dropped exposing hpet_readq() as it is not needed.
Changes since v3:
* None
Changes since v2:
* None
Changes since v1:
* None
---
arch/x86/include/asm/hpet.h | 1 +
arch/
Roedel
Cc: Suravee Suthikulpanit
Cc: Stephane Eranian
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ricardo Neri
---
Changes since v6:
* Removed check for nr_irqs in irq_remapping_alloc(). Allocation had
been rejected already in the root domain. (Thomas)
Cha
: Tony Luck
Cc: Stephane Eranian
Cc: "Ravi V. Shankar"
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Originally-by: Suravee Suthikulpanit
Reviewed-by: Tony Luck
Signed-off-by: Ricardo Neri
---
When programming the HPET channel in periodic mode, a udelay(
format. Let descendant irqchips write the composed
message.
Cc: Andi Kleen
Cc: "Ravi V. Shankar"
Cc: Joerg Roedel
Cc: Suravee Suthikulpanit
Cc: Stephane Eranian
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ricardo Neri
---
Changes since v6:
ists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ricardo Neri
---
Changes since v6:
* None
Changes since v5:
* Introduced this patch
Changes since v4:
* N/A
Changes since v3:
* N/A
Changes since v2:
* N/A
Changes since v1:
* N/A
---
drivers/iommu/amd/amd_iommu.h | 3 ++
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: Ricardo Neri
---
Change
.
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
Reviewed-by: Tony Luck
Reviewed-by: Lu Baolu
Signed-off-by: Ricardo Neri
---
Changes since v6:
* None
Change
ion.org
Cc: linuxppc-dev@lists.ozlabs.org
Suggested-by: Ashok Raj
Reviewed-by: Lu Baolu
Signed-off-by: Ricardo Neri
---
Changes since v6:
* None
Changes since v5:
* Introduced this patch.
Changes since v4:
* N/A
Changes since v3:
* N/A
Changes since v2:
* N/A
Changes since v1:
* N/A
--
nuxppc-dev@lists.ozlabs.org
Suggested-by: Thomas Gleixner
Signed-off-by: Ricardo Neri
---
Changes since v6:
* Reworked patch "x86/apic/vector: Implement support for NMI delivery
mode" into a separate local APIC NMI controller. (Thomas)
Changes since v5:
* Introduced this patch.
Ch
The NMI vector is fixed. No cleanup is needed after updating affinity.
Cc: Andi Kleen
Cc: "Ravi V. Shankar"
Cc: Stephane Eranian
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ricardo Neri
---
Changes since v6:
* Introduced this patch.
Cha
3185-6-dw...@infradead.org/
[10]. https://lore.kernel.org/lkml/20190623132340.463097...@linutronix.de/
Ricardo Neri (24):
x86/apic: Add irq_cfg::delivery_mode
x86/apic/msi: Use the delivery mode from irq_cfg for message
composition
x86/apic: Add the X86_IRQ_ALLOC_AS_NMI interrupt allocation fl
ozlabs.org
Suggested-by: Thomas Gleixner
Reviewed-by: Tony Luck
Signed-off-by: Ricardo Neri
---
Changes since v6:
* None
Changes since v5:
* Introduced this patch.
Changes since v4:
* N/A
Changes since v3:
* N/A
Changes since v2:
* N/A
Changes since v1:
* N/A
---
arch/x86/include/asm/irqdo
Ashok Raj
Reviewed-by: Tony Luck
Signed-off-by: Ricardo Neri
---
Changes since v6:
* Reworded the commit message to accurately state that the root domain
allocates a vector for an interrupt, not an interrupt. (Thomas)
* Removed stray newline. (Thomas)
* Replaced 'irq' with 'interrupt' in the
to
APIC_DELIVERY_MODE_FIXED.
Cc: Andi Kleen
Cc: "Ravi V. Shankar"
Cc: Stephane Eranian
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Reviewed-by: Tony Luck
Signed-off-by: Ricardo Neri
---
Changes since v6:
* Reworded changelog as per suggestion from Thomas.
Change
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 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
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 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
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 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 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 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 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 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
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 11:26:22PM +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 11:23:23PM +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 11:12:20PM +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 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 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
: Andi Kleen
Cc: Stephane Eranian
Cc: "Ravi V. Shankar"
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 the d
nuxppc-dev@lists.ozlabs.org
Cc: x...@kernel.org
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 since v1:
* N/A
---
arch/x86/kernel/tsc.c | 6 ++
1 file changed, 6 insertions(+)
diff --
: Nicholas Piggin
Cc: Stephane Eranian
Cc: "Ravi V. Shankar"
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:
* Switching to the perf-based lockup dete
las Piggin
Reviewed-by: Tony Luck
Signed-off-by: Ricardo Neri
---
Changes since v5:
* Added watchdog_nmi_start() to be used when tsc_khz is recalibrated.
* Always build the x86-specific hardlockup detector shim; not only
when the HPET-based detector is selected.
* Corrected a typo
-line parsing using an early_param, as
__setup("nmi_watchdog=") only parses generic options.
Cc: Andi Kleen
Cc: Stephane Eranian
Cc: "Ravi V. Shankar"
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: x...@kernel.org
Reviewed-by: Tony Luck
Signed-
their own options.
Cc: Andi Kleen
Cc: Nicholas Piggin
Cc: Stephane Eranian
Cc: "Ravi V. Shankar"
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:
* Corrected typo in comm
avi V. Shankar"
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: x...@kernel.org
Suggested-by: Andi Kleen
Reviewed-by: Tony Luck
Signed-off-by: Ricardo Neri
---
NOTE: The error characterization data is repetead here from the cover
letter.
---
Changes since v5:
: Andi Kleen
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:
* Squashed a previously separate patch to support interrupt remapping into
this patch
: "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:
* Updated to call instrumentation_end() as per f051f6979550 ("x86/nmi:
Pr
.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 since v3:
* N/A
Changes since v2:
* N/A
Changes since v1:
* N/A
---
init/main.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
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
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:
* None
Changes since v2:
* None
Changes since v1:
* None
---
include/l
detector if enabled
in the kernel command line.
Cc: Andi Kleen
Cc: Stephane Eranian
Cc: "Ravi V. Shankar"
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:
* Add
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:
*
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
kernel.org
Reviewed-by: Tony Luck
Signed-off-by: Ricardo Neri
---
Changes since v5:
* None
Changes since v4:
* Dropped exposing hpet_readq() as it is not needed.
Changes since v3:
* None
Changes since v2:
* None
Changes since v1:
* None
---
arch/x86/include/asm/hpet.h | 1 +
arch/x86/ker
org
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 since v1:
* N/A
---
drivers/iommu/amd/iommu.c | 23 ++-
1 file changed, 22 insertions(+), 1 deletion(-)
Cc: Joerg Roedel
Cc: Suravee Suthikulpanit
Cc: Stephane Eranian
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri
---
Changes since v5:
* Introduced this patch
Changes since v4:
* N/A
Changes since v3:
* N/A
Changes sinc
nuxppc-dev@lists.ozlabs.org
Cc: x...@kernel.org
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 since v1:
* N/A
---
drivers/iommu/amd/amd_iommu.h | 3 +++
drivers/iommu/amd/init.
: 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: Lu Baolu
Signed-off-by: Ricardo Neri
---
Changes since v5:
* Introduced this patch.
Cha
a specific delivery mode.
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: Tony Luck
Reviewed-by: Lu Baolu
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
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
-
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
.org
Cc: x...@kernel.org
Suggested-by: Thomas Gleixner
Reviewed-by: Tony Luck
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 since v1:
* N/A
---
arch/x86/include/asm/irqdomain.h | 1
ion.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 since v3:
* N/A
Changes since v2:
* N/A
Changes since v1:
* N/A
---
arch/x86/kernel/apic/apic.c | 2
as that of
the APIC driver.
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
Reviewed-by: Ashok Raj
Reviewed-by: Tony Luck
Signed-off-by: Ricardo Neri
---
Changes since v5:
* Updated i
d-by: Tony Luck
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 since v1:
* N/A
---
include/linux/irq.h | 4
kernel/irq/matrix.c | 32 +++-
2 files c
re.kernel.org/all/tip-dea978632e8400b84888bad20df0cd91c18f0...@git.kernel.org/t/
[13]. https://lore.kernel.org/lkml/20190623132340.463097...@linutronix.de/
Ricardo Neri (29):
irq/matrix: Expose functions to allocate the best CPU for new vectors
x86/apic: Add irq_cfg::delivery_mode
x86/
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
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
: 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
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
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
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
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)
> >
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
: 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
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
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
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
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
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
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
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
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
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 --
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(
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
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