: 2950.00MHz
revision: 17.0 (pvr 004f 1100)
With this change it reflects the correct revision:
$ cat /proc/cpuinfo
processor : 0
cpu : POWER9P, altivec supported
clock : 2633.00MHz
revision: 1.0 (pvr 004f 1100)
Signed-off-by: Mahesh Salgaonkar
r)
Check the address is in the kernel stack.
- regs_get_kernel_stack_nth(struct pt_regs *reg, unsigned int nth)
Get Nth entry of the kernel stack. (N >= 0)
- regs_get_argument_nth(struct pt_regs *reg, unsigned int nth)
Get Nth argument at function call. (N >= 0)
Signed-off-by: Mahesh
ct pt_regs *reg, unsigned int nth)
Get Nth entry of the kernel stack. (N >= 0)
Signed-off-by: Mahesh Salgaonkar
Acked-by: Masami Hiramatsu
---
arch/powerpc/include/asm/ptrace.h | 61 ++
arch/powerpc/kernel/ptrace.c | 102 +
ke
r by its offset.
- regs_within_kernel_stack(struct pt_regs *regs, unsigned long addr)
Check the address is in the kernel stack.
- regs_get_kernel_stack_nth(struct pt_regs *reg, unsigned int nth)
Get Nth entry of the kernel stack. (N >= 0)
Signed-off-by: Mahesh Salgaonkar
Acked-by
with
nr_cpus=X where X will be aligned up in multiple of SMT threads per core.
Signed-off-by: Mahesh Salgaonkar
---
Change in RFCv2:
- Fix checkpatch.pl reported errors and build issues against few powerpc
configs.
- Move add_node_props() from file_load_64.c to core_64.c so that it can be
reused
positive run-time warning.
Reported-by: Aneesh Kumar K.V
Signed-off-by: Mahesh Salgaonkar
---
Change from v1:
- Rework the memcpy to copy message header and rest of the message
separately without adding flex array.
---
arch/powerpc/platforms/powernv/opal-prd.c |4 +++-
1 file changed, 3
rtas_generic_errno() function will convert the generic rtas return codes
into errno. Also, #define descriptive names for rtas return codes and use
it instead of numeric values.
Signed-off-by: Mahesh Salgaonkar
---
- Until v6 there was only one patch with subject "PCI hotplug: rpaphp:
t the PCI error and stop any active operations.
In normal cases (non-EEH case) rpaphp_get_sensor_state() will continue to
invoke rtas_get_sensor() as it was earlier with no change in existing
behavior.
Signed-off-by: Mahesh Salgaonkar
Reviewed-by: Nathan Lynch
---
Change in v7:
- Modified patch descrip
rtas_generic_errno() function will convert the generic rtas return codes
into errno. Also, #define descriptive names for rtas return codes and use
it instead of numeric values.
Signed-off-by: Mahesh Salgaonkar
---
(no changes since v7)
Change in V7:
- Until v6 there was only one patch with
out the PCI error and stop any active operations.
In normal cases (non-EEH case) rpaphp_get_sensor_state() will continue to
invoke rtas_get_sensor() as it was earlier with no change in existing
behavior.
Signed-off-by: Mahesh Salgaonkar
Reviewed-by: Nathan Lynch
Acked-by: Bjorn Helgaas
---
Change in v
Also, #define descriptive names for common rtas return codes and use it
instead of numeric values.
Signed-off-by: Mahesh Salgaonkar
---
Change in v9:
- Keep the existing function name rtas_error_rc().
- Use EXPORT_SYMBOL_GPL instead of EXPORT_SYMBOL
https://lore.kernel.org/all/877cpxdksx.fsf
out the PCI error and stop any active operations.
In normal cases (non-EEH case) rpaphp_get_sensor_state() will continue to
invoke rtas_get_sensor() as it was earlier with no change in existing
behavior.
Signed-off-by: Mahesh Salgaonkar
Reviewed-by: Nathan Lynch
Acked-by: Bjorn Helgaas
---
Change in v
with nr_cpus=X where X will be aligned up
in multiple of SMT threads per core.
Signed-off-by: Mahesh Salgaonkar
---
arch/powerpc/include/asm/kexec.h |1
arch/powerpc/kernel/prom.c| 13
arch/powerpc/kexec/core_64.c | 128 +
arch/powerpc/k
id false positive run-time warning.
Reported-by: Aneesh Kumar K.V
Signed-off-by: Mahesh Salgaonkar
---
arch/powerpc/platforms/powernv/opal-prd.c |7 +--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/platforms/powernv/opal-prd.c
b/arch/powerpc/platforms/p
bedded.
Signed-off-by: Mahesh Salgaonkar
---
Changes in v2:
- Rebase to upstream master
- Use jump_labels, if CONFIG_JUMP_LABEL is enabled, to avoid redoing the
test at each interrupt entry.
- v1 is at
https://lore.kernel.org/linuxppc-dev/164578465828.74956.6065296024817333750.stgit@jupiter/
--
bedded.
Signed-off-by: Mahesh Salgaonkar
---
Changes in v3:
- Address comments from Christophe Leroy to avoid using #ifdefs in the
code
- v2 at
https://lore.kernel.org/linuxppc-dev/20240205053647.1763446-1-mah...@linux.ibm.com/
Changes in v2:
- Rebase to upstream master
- Use jump_labels, if CO
bedded.
Signed-off-by: Mahesh Salgaonkar
---
Changes in v4:
- Fix coding style issues.
Changes in v3:
- Address comments from Christophe Leroy to avoid using #ifdefs in the
code
- v2 at
https://lore.kernel.org/linuxppc-dev/20240205053647.1763446-1-mah...@linux.ibm.com/
Changes in v2:
- Reb
is not embedded.
Reviewed-by: Christophe Leroy
Tested-by: Shirisha Ganta
Signed-off-by: Mahesh Salgaonkar
---
Changes in v5:
- Invert the percpu chunk checks as suggested by mpe.
- Fix mirowatt build, microwatt config has CONFIG_PPC64=y and CONFIG_SMP=n.
- v4 at
https://lore.kernel.o
ion/notification using mutex lock per elog record.
Reported-by: Oliver O'Halloran
Signed-off-by: Mahesh Salgaonkar
---
arch/powerpc/platforms/powernv/opal-elog.c | 17 +
1 file changed, 17 insertions(+)
diff --git a/arch/powerpc/platforms/powernv/opal-elog.c
b/arch/powerpc/platforms
ion/notification by holding an additional reference count on kobject
until we safely send kobject_uevent().
Reported-by: Oliver O'Halloran
Signed-off-by: Mahesh Salgaonkar
Signed-off-by: Aneesh Kumar K.V
---
Change in v2:
- Instead of mutex and use extra reference count on kobject to avoid th
ing used today and there
is need as well. Hence change it to return void to make this fix complete.
Fixes: 774fea1a38c6 ("powerpc/powernv: Read OPAL error log and export it
through sysfs")
Cc: # v3.15+
Reported-by: Oliver O'Halloran
Signed-off-by: Mahesh Salgaonkar
Signed-o
oday and there
is need as well. Hence change it to return void to make this fix complete.
Fixes: 774fea1a38c6 ("powerpc/powernv: Read OPAL error log and export it
through sysfs")
Cc: # v3.15+
Reported-by: Oliver O'Halloran
Signed-off-by: Mahesh Salgaonkar
Signed-off-by: Aneesh
bedded.
Signed-off-by: Mahesh Salgaonkar
---
arch/powerpc/include/asm/interrupt.h | 15 +++
arch/powerpc/include/asm/percpu.h|2 ++
arch/powerpc/kernel/setup_64.c |3 +++
3 files changed, 20 insertions(+)
diff --git a/arch/powerpc/include/asm/interrupt.h
b/arch/
tinue to
invoke rtas_get_sensor() as it was earlier with no change in existing
behavior.
Signed-off-by: Mahesh Salgaonkar
---
Change in v5:
- Fixup #define macros with parentheses around the values.
Change in V4:
- Error out on sensor busy only if pe is going through EEH recovery instead
of a
tinue to
invoke rtas_get_sensor() as it was earlier with no change in existing
behavior.
Signed-off-by: Mahesh Salgaonkar
Reviewed-by: Nathan Lynch
---
Change in v6:
- Fixed typo's in the patch description as per review comments.
Change in v5:
- Fixup #define macros with parentheses around th
vering PHB#30-PE#1
[ 964.324002] EEH: PE location: N/A, PHB location: N/A
[ 964.324006] EEH: Frozen PHB#30-PE#1 detected
<..>
Cc: sta...@vger.kernel.org
Fixes: 33439620680be ("powerpc/eeh: Handle hugepages in ioremap space")
Signed-off-by: Mahesh Salgaonkar
Signed-off-by
vering PHB#30-PE#1
[ 964.324002] EEH: PE location: N/A, PHB location: N/A
[ 964.324006] EEH: Frozen PHB#30-PE#1 detected
<..>
Cc: sta...@vger.kernel.org
Fixes: 33439620680be ("powerpc/eeh: Handle hugepages in ioremap space")
Signed-off-by: Mahesh Salgaonkar
Signed-off-by:
ck only if device
PE state is temporarily unavailable(5).
Signed-off-by: Mahesh Salgaonkar
---
arch/powerpc/include/asm/eeh.h |1 +
arch/powerpc/kernel/eeh.c| 14 --
arch/powerpc/kernel/eeh_driver.c | 18 ++
3 files changed, 31 insertions(+), 2 deletion
ot;powerpc/pseries: PCIE PHB reset")
Signed-off-by: Mahesh Salgaonkar
---
arch/powerpc/platforms/pseries/eeh_pseries.c |4
1 file changed, 4 insertions(+)
diff --git a/arch/powerpc/platforms/pseries/eeh_pseries.c
b/arch/powerpc/platforms/pseries/eeh_pseries.c
index bc15200852b7c
c32364] dev_watchdog+0x434/0x440
To fix this issue, delay the slot presence check after notifying the driver
about the pci error.
Signed-off-by: Mahesh Salgaonkar
---
arch/powerpc/kernel/eeh_driver.c | 42 --
1 file changed, 22 insertions(+), 20 del
moving the hmi irq stat inside paca for safe
access in realmode.
Suggested-by: Aneesh Kumar K.V
Signed-off-by: Mahesh Salgaonkar
---
Machine check handling as well touches percpu variables in realmode. Will
address that in separate patchset.
---
arch/powerpc/include/asm/hardirq.h |1 -
arch
inside paca for safe access in realmode.
[1]
https://lore.kernel.org/linuxppc-dev/20200608070904.387440-1-aneesh.ku...@linux.ibm.com/
Suggested-by: Aneesh Kumar K.V
Signed-off-by: Mahesh Salgaonkar
---
Machine check handling as well touches percpu variables in realmode. Will
address that in separate
: PID: 24765 Comm: qemu-system-ppc Guest NIP:
[7fffa309dc60]
[ 1289.447634] MCE: CPU80: Probable software error (some chance of hardware
cause)
Signed-off-by: Mahesh Salgaonkar
---
CHange in v3:
- Print physical address if available.
Change in v2:
- Address comments from Michael.
---
arch
Currently all machine check errors are printed as severe errors which isn't
correct. Print soft errors as warning instead of severe errors.
Signed-off-by: Mahesh Salgaonkar
---
change in v2:
- Use kernel types i.e. u8, u64 etc.
- Define sync_error as bool.
---
arch/powerpc/include/asm/
Software error (some chance of hardware
cause)
Signed-off-by: Mahesh Salgaonkar
---
Change in v2:
- Rephrase the wording for error class as suggested by Michael.
---
arch/powerpc/include/asm/mce.h | 10
arch/powerpc/kernel/mce.c | 12
arch/powerpc/kernel/mce_power.c | 107
get_sensor_fast() variant, but it thorws WARN_ON on BUSY
condition. The rtas_get_sensor_nonblocking() suppresses WARN_ON.
Signed-off-by: Mahesh Salgaonkar
---
This is an alternate approach to fix the EEH issue instead of delaying slot
presence check proposed at
https://lists.ozlabs.org/pipermail/li
ck
returns BUSY condition. In normal cases it returns immediately with a
correct presence state value. Hence this change has no impact on normal pci
dlpar operations.
Signed-off-by: Mahesh Salgaonkar
---
Change in V3:
- Invoke rtas_call(get-sensor-state) directly from
rpaphp_get_sensor_state() directly
tinue to
invoke rtas_get_sensor() as it was earlier with no change in existing
behavior.
Signed-off-by: Mahesh Salgaonkar
---
Change in V4:
- Error out on sensor busy only if pe is going through EEH recovery instead
of always error out.
Change in V3:
- Invoke rtas_call(get-sensor-state
38 matches
Mail list logo
