Le 07/10/2025 à 17:08, Venkat Rao Bagalkote a écrit :
On 07/10/25 10:59 am, Venkat Rao Bagalkote wrote:
Greetings!!!
IBM CI has reported a kernel OOPs while running TPM2selftests on IBM
Power11 system with linux-next20251002 kernel.
Test Case:
make run_tests
TAP version 13
1..3
# time
Le 29/09/2025 à 17:10, Sathyanarayanan Kuppuswamy a écrit :
On 9/29/25 2:15 AM, Breno Leitao wrote:
Similarly to pci_dev_aer_stats_incr(), pci_print_aer() may be called
when dev->aer_info is NULL. Add a NULL check before proceeding to avoid
calling aer_ratelimit() with a NULL aer_info pointe
Le 02/10/2025 à 08:37, Christian Zigotzky a écrit :
Hello,
KVM-PR (-enable-kvm) doesn't work anymore on our PA Semi Nemo boards [1]
if we compiled it with new GCC compilers.
The VM can't boot. There aren't any messages on the serial console of QEMU.
It boots without KVM-PR.
Kernel config
Le 29/09/2025 à 11:15, Breno Leitao a écrit :
Similarly to pci_dev_aer_stats_incr(), pci_print_aer() may be called
when dev->aer_info is NULL. Add a NULL check before proceeding to avoid
calling aer_ratelimit() with a NULL aer_info pointer, returning 1, which
does not rate limit, given this is
nclude linux/of.h for of_machine_is_compatible().
Fixes: 9f218f9bb9d2 ("backlight: Do not include in header file")
Signed-off-by: Nathan Chancellor
Reviewed-by: Christophe Leroy
---
drivers/macintosh/via-pmu-backlight.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/driv
~
Explicitly include of.h to resolve the errors.
Fixes: 9f218f9bb9d2 ("backlight: Do not include in header file")
Signed-off-by: Nathan Chancellor
Reviewed-by: Christophe Leroy
---
arch/powerpc/platforms/powermac/backlight.c | 1 +
1 file changed, 1 insertion(+)
dif
Le 24/09/2025 à 20:40, Donet Tom a écrit :
unregister_one_node() and unregister_node() are small functions.
This patch merges them into a single function named unregister_node()
to improve code readability.
Same comment than patch 1. It is not only because they are small that
you merge them
Le 13/09/2025 à 02:37, Askar Safin a écrit :
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Intro
This patchset removes classic initrd (initial RAM disk) support,
which was deprec
propagate the error in order to prevent NULL pointer
dereference.
Fixes: 6305166c8771 ("bus: fsl-mc: Add ACPI support for fsl-mc")
Cc:
Signed-off-by: Salah Triki
---
Changes in v2:
- Add Fixes and Cc tags, as suggested by Markus Elfring and Christophe
Leroy.
- Remove blank l
On Thu, 18 Sep 2025 18:23:20 +0200, Christophe Leroy wrote:
> The QUICC Engine provides interrupts for a few I/O ports. This is
> handled via a separate interrupt ID and managed via a triplet of
> dedicated registers hosted by the SoC.
>
> Implement an interrupt driver for thos
Le 22/09/2025 à 17:38, Christophe JAILLET a écrit :
Le 22/09/2025 à 17:10, Guangshuo Li a écrit :
As kcalloc() may fail, check its return value to avoid a NULL pointer
dereference when passing it to of_property_read_u32_array().
Fixes: 790a1662d3a26 ("powerpc/smp: Parse ibm,thread-groups wit
above the ---, otherwise it will be lost when
applying the commit.
With that fixed,
Reviewed-by: Christophe Leroy
---
arch/powerpc/kernel/smp.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 5ac7084eebc0..cfccb9389760 10
Le 19/09/2025 à 14:14, A. Sverdlin a écrit :
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From: Alexander Sverdlin
... otherwise it could be problematic to build externa
Rob, Conor, Krzysztof,
Can one of you or someone else help me with below comment from Rob ?
Le 03/09/2025 à 06:58, Christophe Leroy a écrit :
Hi Rob,
Le 02/09/2025 à 23:24, Rob Herring a écrit :
On Mon, Sep 01, 2025 at 02:05:13PM +0200, Christophe Leroy wrote:
Convert QE QPIO devicetree
Le 13/09/2025 à 02:37, Askar Safin a écrit :
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pourquoi ceci est important à https://aka.ms/LearnAboutSenderIdentification ]
They are unused since previous commit
Since which commit ?
Signed-off-by: Askar Safin
unused.
And to improve readability and reduce risk of errors, add a macro to
transform a pin number into the mask that matches the associated bit
in registers.
Reviewed-by: Bartosz Golaszewski
Signed-off-by: Christophe Leroy
---
drivers/soc/fsl/qe/gpio.c | 98
which interrupts are supported depends on
the microcontroller:
- mpc8323 has 10 interrupts
- mpc8360 has 28 interrupts
- mpc8568 has 18 interrupts
So add this information as data of the compatible.
Signed-off-by: Christophe Leroy
---
drivers/soc/fsl/qe/Makefile | 2 +-
drivers/soc/fsl/qe
ommit 34064c8267a6 ("powerpc/8xx: Drop
legacy-of-mm-gpiochip.h header")]
Suggested-by: Bartosz Golaszewski
Reviewed-by: Bartosz Golaszewski
Signed-off-by: Christophe Leroy
---
arch/powerpc/platforms/Kconfig | 1 -
drivers/soc/fsl/qe/gpio.c | 51 ++
2 fi
ove exemple, on a kernel started with
'threadirqs' option, the QMC irq thread uses 16% CPU time with this
patch while it uses 26% CPU time without this patch.
Christophe Leroy (4):
soc: fsl: qmc: Only set completion interrupt when needed
ASoc: fsl: fsl_qmc_audio: Ensure audio channe
prtd_tx and prtd_rx members are not used anymore and only qmc_chan
member remains so struct qmc_dai_chan has become pointless.
Use qmc_chan directly and drop struct qmc_dai_chan.
Acked-by: Herve Codina
Signed-off-by: Christophe Leroy
---
sound/soc/fsl/fsl_qmc_audio.c | 52
channels.
Acked-by: Herve Codina
Signed-off-by: Christophe Leroy
---
sound/soc/fsl/fsl_qmc_audio.c | 29 +
1 file changed, 29 insertions(+)
diff --git a/sound/soc/fsl/fsl_qmc_audio.c b/sound/soc/fsl/fsl_qmc_audio.c
index 5614a8b909ed..c0c7ef0a1511 100644
--- a/sound/soc
qe_pio_b: gpio-controller@1418 {
compatible = "fsl,mpc8323-qe-pario-bank-b";
reg = <0x1418 0x18>;
interrupts = <4 5 6 7>;
interrupt-parent = <&qepic>;
gpio-controller;
#gpio-cells =
completion processing on the
last QMC channel.
On my board with the above exemple, on a kernel started with
'threadirqs' option, the QMC irq thread uses 16% CPU time with this
patch while it uses 26% CPU time without this patch.
Acked-by: Herve Codina
Signed-off-by: Christophe Leroy
Signed-off-by: Christophe Leroy
---
.../soc/fsl/cpm_qe/fsl,qe-ports-ic.yaml | 58 +++
1 file changed, 58 insertions(+)
create mode 100644
Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qe-ports-ic.yaml
diff --git
a/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qe
iaw dts-coding-style.rst
Changes in v2:
- Fixed warning on PPC64 build (Patch 1)
- Using devm_kzalloc() instead of kzalloc (Patch 2)
- Stop using of-mm-gpiochip (New patch 3)
- Added fsl,qe-gpio-irq-mask propertie in DT binding doc (Patch 4)
- Fixed problems reported by 'make dt_binding_check&#
When no post-completion processing is expected, don't waste time
handling useless interrupts.
Only set QMC_BD_[R/T]X_I when a completion function is passed in,
and perform seamless completion on submit for interruptless buffers.
Acked-by: Herve Codina
Signed-off-by: Christophe
Convert QE QPIO devicetree binding to DT schema.
Signed-off-by: Christophe Leroy
---
v6: Comments from Rob taken into account except the comment on
fsl,-qe-pario-bank becoming fsl,chip-qe-pario-bank as I don't know what
to do.
---
.../gpio/fsl,mpc8323-qe-pario-bank.yaml
Le 18/09/2025 à 17:34, Christophe Leroy a écrit :
This is a RESEND of v3 sent one month ago, see:
https://lore.kernel.org/all/cover.1754993232.git.christophe.le...@csgroup.eu/
Sorry for the noise, v3 was
https://lore.kernel.org/all/cover.1755504428.git.christophe.le...@csgroup.eu/
The
= "fsl,mpc8568-qe-pario-bank-f"
When not using IRQ and for banks having no IRQ (like bank D on mpc8323)
the origin compatible = "fsl,mpc8323-qe-pario-bank" is still valid.
Signed-off-by: Christophe Leroy
---
.../gpio/fsl,mpc8323-qe-pario-bank.yaml | 27
Le 18/09/2025 à 15:15, Guangshuo Li a écrit :
[Vous ne recevez pas souvent de courriers de lgs201920130...@gmail.com.
Découvrez pourquoi ceci est important à
https://aka.ms/LearnAboutSenderIdentification ]
As kcalloc() may fail, check its return value to avoid a NULL pointer
dereference whe
Hi Mark, Liam,
Le 18/08/2025 à 10:19, Christophe Leroy a écrit :
This series reduces significantly the amount of interrupts on
fsl_qmc_audio device.
I can't see this series in linux-next.
I see in patchwork [1] that this series still has status 'NEW' but also
state 'arch
up to 1Gbytes RAM, PAGE_OFFSET and
TASK_SIZE is adjusted to 0xb000 (a000 on book3s/32 with modules).
If you have more than 1Gbytes of RAM you can adjust CONFIG_LOWMEM_SIZE.
[1]
https://lore.kernel.org/all/4ff89b72-03ff-4447-9d21-dd6a5fe15...@app.fastmail.com/
Signed-off-by: Christophe
Le 17/09/2025 à 16:00, Thomas Weißschuh a écrit :
The usage of ASM_FTR_IFCLR(CPU_TR_ARCH_31) requires asm/cputable.h and
asm/feature-fixups.h. Currently these headers are included transitively,
but that transitive inclusion is about to go away.
Hum ...
That was unexpectedly added by commit
Le 17/09/2025 à 17:21, Thomas Weißschuh a écrit :
On Wed, Sep 17, 2025 at 04:41:49PM +0200, Christophe Leroy wrote:
Le 17/09/2025 à 16:00, Thomas Weißschuh a écrit :
The usage of ASM_FTR_IFCLR(CPU_TR_ARCH_31) requires asm/cputable.h and
asm/feature-fixups.h. Currently these headers are
Le 16/09/2025 à 16:50, Jinchao Wang a écrit :
Currently, the hard lockup detector is selected at compile time via
Kconfig, which requires a kernel rebuild to switch implementations.
This is inflexible, especially on systems where a perf event may not
be available or may be needed for other tas
("[POWERPC]
Avoid unpaired stwcx. on some processors") which is based on
CPU_FTR_NEED_PAIRED_STWCX feature.
Fixes: b96bae3ae2cb ("powerpc/32: Replace ASM exception exit by C exception
exit from ppc64")
Signed-off-by: Christophe Leroy
---
v2: Fixed the commit message (Wrong pa
Have a simpler subject,
Le 13/09/2025 à 02:37, Askar Safin a écrit :
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This is preparation for initrd removal
and make a more interesting m
Le 13/09/2025 à 02:37, Askar Safin a écrit :
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It was used mostly for initrd. It could be used only if
brd is built-in. Use "brd.rd_size" i
Le 13/09/2025 à 02:37, Askar Safin a écrit :
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This is preparation for initrd removal
Squash patch 1 and patch 2 together and say this is
Le 13/09/2025 à 02:37, Askar Safin a écrit :
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There is no any reason for having special mechanism
for setting ramdisk size.
Also this all
Le 15/09/2025 à 12:29, Athira Rajeev a écrit :
The pseries Shared Processor Logical Partition(SPLPAR) machines can
retrieve a log of dispatch and preempt events from the hypervisor
using data from Disptach Trace Log(DTL) buffer. With this information,
user can retrieve when and why each dispat
Le 13/09/2025 à 02:37, Askar Safin a écrit :
[Vous ne recevez pas souvent de courriers de safinas...@gmail.com. Découvrez
pourquoi ceci est important à https://aka.ms/LearnAboutSenderIdentification ]
This is preparation for initrd removal
Squash patch 1 and patch 2 together and say this i
remove them
Fixes: c8376994c86c ("initrd: remove support for multiple floppies")
Cc: # because changes uapi headers
Signed-off-by: Askar Safin
Reviewed-by: Christophe Leroy
---
arch/sh/kernel/setup.c| 2 --
arch/sparc/kernel/setup_32.c | 2 --
arch/sp
Le 13/09/2025 à 02:37, Askar Safin a écrit :
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pourquoi ceci est important à https://aka.ms/LearnAboutSenderIdentification ]
There is no any reason for having special mechanism
for setting ramdisk size.
That's you o
Le 13/09/2025 à 02:37, Askar Safin a écrit :
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pourquoi ceci est important à https://aka.ms/LearnAboutSenderIdentification ]
This is preparation for initrd removal
Signed-off-by: Askar Safin
---
Documentation/arch
Hi Segher,
Le 12/09/2025 à 15:24, Segher Boessenkool a écrit :
Hi!
On Fri, Sep 12, 2025 at 10:37:34AM +0200, Christophe Leroy wrote:
BEGIN_FTR_SECTION
+ lwarx r0,0,r1
+END_FTR_SECTION_IFSET(CPU_FTR_NEED_PAIRED_STWCX)
stwcx. r0,0,r1 /* to clear the reservation
uot;).
Fixes: 6f76a01173cc ("powerpc/syscall: implement system call entry/exit logic
in C for PPC32")
Fixes: 13799748b957 ("powerpc/64: use interrupt restart table to speed up
return from interrupt")
Signed-off-by: Christophe Leroy
---
arch/powerpc/kernel/entry_32.S | 18 +++
Hi Richard,
Le 10/09/2025 à 16:04, Richard Weinberger a écrit :
Arnd,
- Ursprüngliche Mail -
Von: "Arnd Bergmann"
High memory is one of the least popular features of the Linux kernel.
Added in 1999 for linux-2.3.16 to support large x86 machines, there
are very few systems that still n
://lore.kernel.org/all/342b4120-911c-4723-82ec-d8c9b03a8...@mailbox.org/
Signed-off-by: Christophe Leroy
---
v2: Revised commit message
---
arch/powerpc/include/asm/pgtable.h | 12
arch/powerpc/mm/book3s32/mmu.c | 4 ++--
arch/powerpc/mm/pgtable_32.c | 2 +-
3 files changed, 3 insertions
Le 04/09/2025 à 11:57, Andrew Donnellan a écrit :
On Thu, 2025-09-04 at 14:33 +0530, Madhavan Srinivasan wrote:
I am using qemu with -M mac99 and it boots
Hardware name: PowerMac3,1 7400 0xc0209 PowerMac
printk: legacy bootconsole [udbg0] enabled
-
Le 06/09/2025 à 05:52, Ritesh Harjani a écrit :
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Andrew Donnellan writes:
If patch_branch() or patch_instruction() fails while updatin
Le 05/09/2025 à 08:57, Andrew Donnellan a écrit :
On Thu, 2025-09-04 at 18:33 +0200, Christophe Leroy wrote:
PAGE_KERNEL_TEXT is an old macro that is used to tell kernel whether
kernel text has to be mapped read-only or read-write based on build
time options.
But nowadays, with
Le 05/09/2025 à 11:13, Xichao Zhao a écrit :
Remove redundant condition checks and replace else if with else.
Signed-off-by: Xichao Zhao
Reviewed-by: Christophe Leroy
---
drivers/tty/hvc/hvc_console.c | 2 +-
drivers/tty/serial/msm_serial.c | 2 +-
2 files changed, 2 insertions
off-by: Andrew Donnellan
Reviewed-by: Christophe Leroy
---
Ran into this while debugging an issue that Erhard reported to me about my
PAGE_TABLE_CHECK series on a G4, where updating a static key failed
silently, but only for one call site, leading to an incorrect reference
count later on. This lo
Le 05/09/2025 à 05:55, Ritesh Harjani a écrit :
Christophe Leroy writes:
PAGE_KERNEL_TEXT is an old macro that is used to tell kernel whether
kernel text has to be mapped read-only or read-write based on build
time options.
But nowadays, with functionnalities like jump_labels, static
Le 04/09/2025 à 10:40, Madhavan Srinivasan a écrit :
On 9/4/25 1:01 PM, Christophe Leroy wrote:
Hi Erhard,
Le 04/09/2025 à 00:44, Erhard Furtner a écrit :
Greetings!
In a conversation with Andrew about his page table check code for PowerPC he
found out there seems to be a general
Hi Erhard,
Le 04/09/2025 à 00:44, Erhard Furtner a écrit :
Greetings!
In a conversation with Andrew about his page table check code for
PowerPC he found out there seems to be a general problem of the code
patching code on ppc:
> I note that STATIC_CALL_SELFTEST seems to fail, which could b
may imply kernel text modification, always
set kernel text read-write at startup and rely on
CONFIG_STRICT_KERNEL_RWX to provide accurate protection.
Reported-by: Erhard Furtner
Closes:
https://lore.kernel.org/all/342b4120-911c-4723-82ec-d8c9b03a8...@mailbox.org/
Signed-off-by: Christophe Leroy
Hi Again,
Le 04/09/2025 à 09:31, Christophe Leroy a écrit :
Hi Erhard,
Le 04/09/2025 à 00:44, Erhard Furtner a écrit :
Greetings!
In a conversation with Andrew about his page table check code for
PowerPC he found out there seems to be a general problem of the code
patching code on ppc
in linux-5.4.y because commit 8b14e1dff067 ("powerpc: Remove
support for PowerPC 601") removed this code altogether in 5.10.
Link:
https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=226749d5a6ff0d5c607d6428d6c81e1e7e7a994b
[1]
Signed-off-by: Nathan Chancellor
Reviewed-by: Ch
Le 03/09/2025 à 20:59, Vishal Moola (Oracle) a écrit :
free_pages() should be used when we only have a virtual address. We
should call __free_pages() directly on our page instead.
Signed-off-by: Vishal Moola (Oracle)
Reviewed-by: Ritesh Harjani (IBM)
Reviewed-by: Christophe Leroy
Le 01/09/2025 à 12:37, Christophe Leroy a écrit :
Commit 13799748b957 ("powerpc/64: use interrupt restart table to speed
up return from interrupt") removed the inconditional clearing of MSR[RI]
when returning from interrupt into kernel. But powerpc/32 doesn't
implement interrup
-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/fsl/cpm_qe/fsl,qe-ports-ic.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale QUICC Engine I/O Ports Interrupt Controller
+
+maintainers:
+ - Christophe Leroy
+
+description:
+ Interrupt controller for
Le 17/01/2024 à 10:17, Kunwu Chan a écrit :
kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.
Signed-off-by: Kunwu Chan
Reviewed-by: Christophe Leroy
---
arch/powerpc
Hi Rob,
Le 02/09/2025 à 23:24, Rob Herring a écrit :
On Mon, Sep 01, 2025 at 02:05:13PM +0200, Christophe Leroy wrote:
Convert QE QPIO devicetree binding to DT schema.
Signed-off-by: Christophe Leroy
---
v5: New
---
+
+properties:
+ compatible:
+items:
+ - enum:
+ - fsl
which interrupts are supported depends on
the microcontroller:
- mpc8323 has 10 interrupts
- mpc8360 has 28 interrupts
- mpc8568 has 18 interrupts
So add this information as data of the compatible.
Signed-off-by: Christophe Leroy
---
drivers/soc/fsl/qe/Makefile | 2 +-
drivers/soc/fsl/qe
= "fsl,mpc8568-qe-pario-bank-f"
When not using IRQ and for banks having no IRQ (like bank D on mpc8323)
the origin compatible = "fsl,mpc8323-qe-pario-bank" is still valid.
Signed-off-by: Christophe Leroy
---
v5: Changed to DT schema
---
.../fsl/cpm_qe/fsl,mpc8323-qe-pario
qe_pio_b: gpio-controller@1418 {
compatible = "fsl,mpc8323-qe-pario-bank-b";
reg = <0x1418 0x18>;
interrupts = <4 5 6 7>;
interrupt-parent = <&qepic>;
gpio-controller;
#gpio-cells =
unused.
And to improve readability and reduce risk of errors, add a macro to
transform a pin number into the mask that matches the associated bit
in registers.
Signed-off-by: Christophe Leroy
Reviewed-by: Bartosz Golaszewski
---
v5: Added the PIN_MASK() macro
---
drivers/soc/fsl/qe/gpio.c | 98
ms reported by 'make dt_binding_check' (Patch 5)
Christophe Leroy (7):
soc: fsl: qe: Add an interrupt controller for QUICC Engine Ports
soc: fsl: qe: Change GPIO driver to a proper platform driver
soc: fsl: qe: Drop legacy-of-mm-gpiochip.h header from GPIO driver
soc: fsl: qe: Add support of IRQ
Convert QE QPIO devicetree binding to DT schema.
Signed-off-by: Christophe Leroy
---
v5: New
---
.../fsl/cpm_qe/fsl,mpc8323-qe-pario-bank.yaml | 53 +++
.../bindings/soc/fsl/cpm_qe/qe/par_io.txt | 26 +
2 files changed, 54 insertions(+), 25 deletions(-)
create mode
ommit 34064c8267a6 ("powerpc/8xx: Drop
legacy-of-mm-gpiochip.h header")]
Suggested-by: Bartosz Golaszewski
Signed-off-by: Christophe Leroy
---
arch/powerpc/platforms/Kconfig | 1 -
drivers/soc/fsl/qe/gpio.c | 51 ++
2 files changed, 27 insertions(+
cleared.
Fixes: 13799748b957 ("powerpc/64: use interrupt restart table to speed up
return from interrupt")
Signed-off-by: Christophe Leroy
---
arch/powerpc/kernel/interrupt.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/powerpc/kernel/interrupt.c b/arch/powerpc/kernel/inter
s.o] Error 1
Cc: Madhavan Srinivasan
Cc: Michael Ellerman
Cc: Nicholas Piggin
Cc: Christophe Leroy
Cc: Paul Mackerras
Cc: "Aneesh Kumar K.V"
Cc: Donet Tom
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ritesh Harjani (IBM)
---
arch/powerpc/mm/book3s64/hash_utils.c | 2 +-
make
it's return type to void.
s/it's/its
Cc: Madhavan Srinivasan
Cc: Michael Ellerman
Cc: Nicholas Piggin
Cc: Christophe Leroy
Cc: Paul Mackerras
Cc: "Aneesh Kumar K.V"
Cc: Donet Tom
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ritesh Harjani (IBM)
---
arch
present dirty accessed
Cc: Madhavan Srinivasan
Cc: Michael Ellerman
Cc: Nicholas Piggin
Cc: Christophe Leroy
Cc: Paul Mackerras
Cc: "Aneesh Kumar K.V"
Cc: Donet Tom
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ritesh Harjani (IBM)
---
arch/powerpc/mm/ptdump/8xx.
: Christophe Leroy
Cc: Paul Mackerras
Cc: "Aneesh Kumar K.V"
Cc: Donet Tom
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ritesh Harjani (IBM)
---
Documentation/admin-guide/kernel-parameters.txt | 3 +++
arch/powerpc/mm/book3s64/hash_utils.c | 3 +++
arch/powerpc/m
Le 29/08/2025 à 11:16, Krzysztof Kozlowski a écrit :
On 29/08/2025 10:35, Christophe Leroy wrote:
Le 29/08/2025 à 09:47, Krzysztof Kozlowski a écrit :
On 28/08/2025 16:12, Christophe Leroy wrote:
Le 28/08/2025 à 15:28, Rob Herring a écrit :
On Mon, Aug 25, 2025 at 2:20 AM Christophe
Le 29/08/2025 à 09:47, Krzysztof Kozlowski a écrit :
On 28/08/2025 16:12, Christophe Leroy wrote:
Le 28/08/2025 à 15:28, Rob Herring a écrit :
On Mon, Aug 25, 2025 at 2:20 AM Christophe Leroy
wrote:
In the QE, a few GPIOs are IRQ capable. Similarly to
commit 726bd223105c ("powerp
Le 28/08/2025 à 15:28, Rob Herring a écrit :
On Mon, Aug 25, 2025 at 2:20 AM Christophe Leroy
wrote:
In the QE, a few GPIOs are IRQ capable. Similarly to
commit 726bd223105c ("powerpc/8xx: Adding support of IRQ in MPC8xx
GPIO"), add IRQ support to QE GPIO.
Add property '
Le 28/08/2025 à 02:04, Joe Perches a écrit :
[Vous ne recevez pas souvent de courriers de j...@perches.com. Découvrez
pourquoi ceci est important à https://aka.ms/LearnAboutSenderIdentification ]
On Wed, 2025-08-27 at 18:42 +0200, Christophe Leroy wrote:
Hi Joe
Le 21/06/2019 à 07:36, Joe
Le 21/06/2019 à 10:58, Mathieu Malaterre a écrit :
When building with clang-8 the frame size limit is hit:
../arch/powerpc/lib/xor_vmx.c:119:6: error: stack frame size of 1200 bytes
in function '__xor_altivec_5' [-Werror,-Wframe-larger-than=]
Follow the same approach as commit 9c87156cce
Hi Joe
Le 21/06/2019 à 07:36, Joe Perches a écrit :
Remove the separate KERN_ from each pe_level_printk and
instead add the KERN_ to the format.
pfix in pe_level_printk could also be used uninitialized so
add a new else and set pfx to the hex value of pe->flags.
Rename pe_level_printk to pe_pr
Avoid unpaired stwcx. on some processors")
Fixes: b96bae3ae2cb ("powerpc/32: Replace ASM exception exit by C exception
exit from ppc64")
Signed-off-by: Christophe Leroy
---
arch/powerpc/kernel/entry_32.S | 10 --
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/
ok3s/32 or booke, never by
common code or 8xx code.
So remove the clear of MSR[RI] enclosed in #ifdef CONFIG_PPC_8xx.
Signed-off-by: Christophe Leroy
---
arch/powerpc/kernel/entry_32.S | 5 +
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powe
Le 26/08/2025 à 06:13, K Prateek Nayak a écrit :
Deine cpu_coregroup_mask() to export the per-cpu cpu_corgrp_map when
coregroups are supported(). When has_coregroup_support() returns false,
cpu_coregroup_mask() returns the mask used by the PKG domain.
Since this will only be used after CONFIG
Le 26/08/2025 à 06:13, K Prateek Nayak a écrit :
Unify the tl_smt_mask() wrapper around cpu_smt_mask() across core, x86,
ppc, and s390.
On s390, include/linux/topology.c defines an explicit cpu_smt_mask()
wrapper around topology_sibling_cpumask() when cpu_smt_mask() is not
defined by the arch
Le 26/08/2025 à 06:13, K Prateek Nayak a écrit :
Unify the tl_mc_mask() wrapper around cpu_coregroup_mask() used by core,
x86, powerpc, and s390.
No functional changes intended.
Signed-off-by: K Prateek Nayak
---
arch/powerpc/kernel/smp.c | 7 +--
arch/s390/kernel/topology.c
Le 26/08/2025 à 06:13, K Prateek Nayak a écrit :
Rename cpu_corgroup_{map,mask} to cpu_corgrp_{map,mask} to free up the
cpu_corgroup_* namespace. cpu_corgroup_mask() will be added back in the
subsequent commit for CONFIG_SCHED_MC enablement.
This renaming seems odd and uncomplete. For instan
Hi Jeremy,
Le 26/08/2025 à 04:24, Jeremy Kerr a écrit :
Hi Christophe,
I still don't receive anything it seems. I have modified the status
of several patches over the last two weeks and haven't received any
notification from patchwork.
In your case, it looks like you have previously opted-out
unused.
Signed-off-by: Christophe Leroy
Reviewed-by: Bartosz Golaszewski
---
v4: Removed unused headers
---
drivers/soc/fsl/qe/gpio.c | 88 +--
1 file changed, 47 insertions(+), 41 deletions(-)
diff --git a/drivers/soc/fsl/qe/gpio.c b/drivers/soc/fsl/qe
6 7>;
interrupt-parent = <&qepic>;
gpio-controller;
#gpio-cells = <2>;
fsl,qe-gpio-irq-mask = <0x01400050>;
};
Signed-off-by: Christophe Leroy
---
v4: Using device_property_read_u32() instead of of_property_re
Le 26/08/2025 à 10:01, Peter Zijlstra a écrit :
diff --git a/include/linux/sched/topology.h b/include/linux/sched/topology.h
index 602508130c8a..d75fbb7d9667 100644
--- a/include/linux/sched/topology.h
+++ b/include/linux/sched/topology.h
@@ -37,7 +37,13 @@ static inline int cpu_smt_flags(void
Le 26/08/2025 à 06:13, K Prateek Nayak a écrit :
Unify the tl_cls_mask() used by both the scheduler core and x86.
No functional changes intended.
Signed-off-by: K Prateek Nayak
---
arch/x86/kernel/smpboot.c | 4
include/linux/sched/topology.h | 8 +++-
kernel/sched/topology
Le 26/08/2025 à 06:13, K Prateek Nayak a écrit :
Unify the tl_pkg_mask() wrapper around cpu_nod_mask() across core, x86,
powerpc, and s390.
No functional changes intended.
Signed-off-by: K Prateek Nayak
---
arch/powerpc/kernel/smp.c | 7 +--
arch/s390/kernel/topology.c| 7 +-
Le 26/08/2025 à 06:13, K Prateek Nayak a écrit :
PowerPC enables the MC scheduling domain by default on systems with
coregroup support without having a SCHED_MC config in Kconfig.
The scheduler uses CONFIG_SCHED_MC to introduce the MC domain in the
default topology (core) and to optimize the
ommit 34064c8267a6 ("powerpc/8xx: Drop
legacy-of-mm-gpiochip.h header")]
Suggested-by: Bartosz Golaszewski
Signed-off-by: Christophe Leroy
---
arch/powerpc/platforms/Kconfig | 1 -
drivers/soc/fsl/qe/gpio.c | 51 ++
2 files changed, 27 insertions(+
which interrupts are supported depends on
the microcontroller:
- mpc8323 has 10 interrupts
- mpc8360 has 28 interrupts
- mpc8568 has 18 interrupts
So add this information as data of the compatible.
Signed-off-by: Christophe Leroy
---
drivers/soc/fsl/qe/Makefile | 2 +-
drivers/soc/fsl/qe
6 7>;
interrupt-parent = <&qepic>;
gpio-controller;
#gpio-cells = <2>;
fsl,qe-gpio-irq-mask = <0x01400050>;
};
Signed-off-by: Christophe Leroy
---
drivers/soc/fsl/qe/gpio.c | 20
1 file chang
eported by 'make dt_binding_check' (Patch 5)
Christophe Leroy (6):
soc: fsl: qe: Add an interrupt controller for QUICC Engine Ports
soc: fsl: qe: Change GPIO driver to a proper platform driver
soc: fsl: qe: Drop legacy-of-mm-gpiochip.h header from GPIO driver
soc: fsl: qe: Add
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