[PATCH] wan/fsl_ucc_hdlc: fix spelling mistake "prameter" -> "parameter"

From: Colin Ian King Trivial fix to spelling mistake in dev_err message. Signed-off-by: Colin Ian King --- drivers/net/wan/fsl_ucc_hdlc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c index 6f04445..5fbf83d 1

[PATCH] powerpc/ps3: fix spelling mistake in function name

From: Colin Ian King Trivial fix to spelling mistake in dev_warn message and remove extraneous trailing whitespace at end of the message. Signed-off-by: Colin Ian King --- arch/powerpc/platforms/ps3/device-init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/

[PATCH] net: ucc_geth: fix spelling mistake "propperty" -> "property"

From: Colin Ian King Trivial fix to spelling mistake in dev_warn message. Signed-off-by: Colin Ian King --- drivers/net/ethernet/freescale/ucc_geth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/

Linux 4.8: Reported regressions as of Sunday, 2016-08-28

Hi! Here is my second regression report for Linux 4.8. It lists 11 regressions. 5 of them are new; 5 mentioned in the last report two weeks ago got fixed. FWIW: A small detail: I did not include "Regression - SATA disks behind USB ones on v4.8-rc1, breaking boot. [Re: Who reordered my disks]" (

Re: Linux 4.8: Reported regressions as of Sunday, 2016-08-28

On Sun, Aug 28, 2016 at 8:23 AM, Thorsten Leemhuis wrote: > > Desc: irqdomain: Don't set type when mapping an IRQ breaks nexus7 gpio buttons > Repo: 2016-07-30 https://marc.info/?l=linux-kernel&m=146985356305280&w=2 > Stat: 2016-08-12 https://marc.info/?l=linux-kernel&m=147093069326172&w=2 > Note:

[PATCH 0/6] KVM: PPC: e500: Fine-tuning for two function implementations

From: Markus Elfring Date: Sun, 28 Aug 2016 19:01:02 +0200 Several update suggestions were taken into account from static source code analysis. Markus Elfring (6): Use kmalloc_array() in kvm_vcpu_ioctl_config_tlb() Less function calls in kvm_vcpu_ioctl_config_tlb() after error detection De

[PATCH 2/6] KVM: PPC: e500: Less function calls in kvm_vcpu_ioctl_config_tlb() after error detection

From: Markus Elfring Date: Sun, 28 Aug 2016 17:34:46 +0200 The kfree() function was called in two cases by the kvm_vcpu_ioctl_config_tlb() function during error handling even if the passed data structure element contained a null pointer. * Split a condition check for memory allocation failures.

[PATCH 4/6] KVM: PPC: e500: Replace kzalloc() calls by kcalloc() in two functions

From: Markus Elfring Date: Sun, 28 Aug 2016 18:30:38 +0200 * A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "kcalloc". Suggested-by: Paolo Bonzini This issue was detected

[PATCH 5/6] KVM: PPC: e500: Use kmalloc_array() in kvmppc_e500_tlb_init()

From: Markus Elfring Date: Sun, 28 Aug 2016 18:40:08 +0200 * A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "kmalloc_array". * Replace the specification of a data structure by

[PATCH 1/6] KVM: PPC: e500: Use kmalloc_array() in kvm_vcpu_ioctl_config_tlb()

From: Markus Elfring Date: Sun, 28 Aug 2016 16:30:07 +0200 * A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "kmalloc_array". This issue was detected by using the Coccinelle s

[PATCH 6/6] KVM: PPC: e500: Rename jump labels in kvmppc_e500_tlb_init()

From: Markus Elfring Date: Sun, 28 Aug 2016 18:45:26 +0200 Adjust jump labels according to the current Linux coding style convention. Signed-off-by: Markus Elfring --- arch/powerpc/kvm/e500_mmu.c | 9 - 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/arch/powerpc/kvm/e500

[PATCH 3/6] KVM: PPC: e500: Delete an unnecessary initialisation in kvm_vcpu_ioctl_config_tlb()

From: Markus Elfring Date: Sun, 28 Aug 2016 17:37:10 +0200 The local variable "g2h_bitmap" will be set to an appropriate value a bit later. Thus omit the explicit initialisation at the beginning. Signed-off-by: Markus Elfring --- arch/powerpc/kvm/e500_mmu.c | 2 +- 1 file changed, 1 insertion(

Re: [PATCH 5/6] KVM: PPC: e500: Use kmalloc_array() in kvmppc_e500_tlb_init()

On Sun, 28 Aug 2016, SF Markus Elfring wrote: > From: Markus Elfring > Date: Sun, 28 Aug 2016 18:40:08 +0200 > > * A multiplication for the size determination of a memory allocation > indicated that an array data structure should be processed. > Thus use the corresponding function "kmalloc_

Re: [PATCH 6/6] KVM: PPC: e500: Rename jump labels in kvmppc_e500_tlb_init()

On Sun, 28 Aug 2016, SF Markus Elfring wrote: > From: Markus Elfring > Date: Sun, 28 Aug 2016 18:45:26 +0200 > > Adjust jump labels according to the current Linux coding style convention. > > Signed-off-by: Markus Elfring > --- > arch/powerpc/kvm/e500_mmu.c | 9 - > 1 file changed, 4

[RFC PATCH v4 01/12] powerpc: Add #defs for paca->soft_enabled flags

Two #defs IRQ_DISABLE_LEVEL_NONE and IRQ_DISABLE_LEVEL_LINUX are added to be used when updating paca->soft_enabled. Signed-off-by: Madhavan Srinivasan --- arch/powerpc/include/asm/hw_irq.h | 6 ++ 1 file changed, 6 insertions(+) diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc

[RFC PATCH v4 00/12] powerpc: "paca->soft_enabled" based local atomic operation implementation

Local atomic operations are fast and highly reentrant per CPU counters. Used for percpu variable updates. Local atomic operations only guarantee variable modification atomicity wrt the CPU which owns the data and these needs to be executed in a preemption safe way. Here is the design of the patchs

[RFC PATCH v4 02/12] powerpc: Cleanup to use IRQ_DISABLE_MASK_* macros for paca->soft_enabled update

Replace the hardcoded values used when updating paca->soft_enabled with IRQ_DISABLE_MASK_* #def. No logic change. Signed-off-by: Madhavan Srinivasan --- arch/powerpc/include/asm/exception-64s.h | 2 +- arch/powerpc/include/asm/hw_irq.h| 15 --- arch/powerpc/include/asm/irqfl

[RFC PATCH v4 05/12] powerpc: reverse the soft_enable logic

"paca->soft_enabled" is used as a flag to mask some of interrupts. Currently supported flags values and their details: soft_enabledMSR[EE] 0 0 Disabled (PMI and HMI not masked) 1 1 Enabled "paca->soft_enabled" is initialized to 1 to make the interripts

[RFC PATCH v4 06/12] powerpc: Avoid using EXCEPTION_PROLOG_1 macro in MASKABLE_*

Currently we use both EXCEPTION_PROLOG_1 amd __EXCEPTION_PROLOG_1 in the MASKABLE_* macros. As a cleanup, this patch makes MASKABLE_* to use only __EXCEPTION_PROLOG_1. There is not logic change. Signed-off-by: Madhavan Srinivasan --- arch/powerpc/include/asm/exception-64s.h | 4 ++-- 1 file chan

[RFC PATCH v4 08/12] powerpc: Introduce new mask bit for soft_enabled

Currently soft_enabled is used as the flag to determine the interrupt state. Patch extends the soft_enabled to be used as a mask instead of a flag. Signed-off-by: Madhavan Srinivasan --- arch/powerpc/include/asm/exception-64s.h | 4 ++-- arch/powerpc/include/asm/hw_irq.h| 1 + arch/power

[RFC PATCH v4 04/12] powerpc: Use set_soft_enabled api to update paca->soft_enabled

Signed-off-by: Madhavan Srinivasan --- arch/powerpc/include/asm/kvm_ppc.h | 2 +- arch/powerpc/kernel/irq.c | 2 +- arch/powerpc/kernel/setup_64.c | 4 ++-- arch/powerpc/kernel/time.c | 4 ++-- 4 files changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/powerpc/includ

[RFC PATCH v4 10/12] powerpc: Add support to mask perf interrupts and replay

To support masking of the PMI interrupts, couple of new interrupt handler macros are added MASKABLE_EXCEPTION_PSERIES_OOL and MASKABLE_RELON_EXCEPTION_PSERIES_OOL. Couple of new irq #defs "PACA_IRQ_PMI" and "SOFTEN_VALUE_0xf0*" added to use in the exception code to check for PMI interrupts. In th

[RFC PATCH v4 12/12] powerpc: rewrite local_t using soft_irq

Local atomic operations are fast and highly reentrant per CPU counters. Used for percpu variable updates. Local atomic operations only guarantee variable modification atomicity wrt the CPU which owns the data and these needs to be executed in a preemption safe way. Here is the design of this patch

[RFC PATCH v4 09/12] powerpc: Add "bitmask" paramater to MASKABLE_* macros

Make it explicit the interrupt masking supported by a gievn interrupt handler. Patch correspondingly extends the MASKABLE_* macros with an addition's parameter. "bitmask" parameter is passed to SOFTEN_TEST macro to decide on masking the interrupt. Signed-off-by: Madhavan Srinivasan --- arch/powe

[RFC PATCH v4 07/12] powerpc: Add new _EXCEPTION_PROLOG_1 macro

To support addition of "bitmask" to MASKABLE_* macros, factor out the EXCPETION_PROLOG_1 macro. Signed-off-by: Madhavan Srinivasan --- arch/powerpc/include/asm/exception-64s.h | 30 ++ 1 file changed, 26 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/include

[RFC PATCH v4 03/12] powerpc: move set_soft_enabled()

Move set_soft_enabled() from powerpc/kernel/irq.c to asm/hw_irq.c. this way updation of paca->soft_enabled can be forced wherever possible. Signed-off-by: Madhavan Srinivasan --- arch/powerpc/include/asm/hw_irq.h | 6 ++ arch/powerpc/kernel/irq.c | 6 -- 2 files changed, 6 insert

[RFC PATCH v4 11/12] powerpc: Add a Kconfig and a function to set new soft_enabled mask

New Kconfig is added "CONFIG_IRQ_DEBUG_SUPPORT" to add a warn_on to alert the usage of soft_irq_set_mask() for disabling lower bitmask interrupts. Have also moved the code under the CONFIG_TRACE_IRQFLAGS in arch_local_irq_restore() to new Kconfig as suggested. Patch also adds a new soft_irq_set_m

[PATCH 00/13] Add support for perf_arch_regs

Patchset to extend PERF_SAMPLE_REGS_INTR to include platform specific PMU registers. Patchset applies cleanly on tip:perf/core branch It's a perennial request from hardware folks to be able to see the raw values of the pmu registers. Partly it's so that they can verify perf is doing what they wan

[PATCH 01/13] perf/core: Add perf_arch_regs and mask to perf_regs structure

It's a perennial request from hardware folks to be able to see the raw values of the pmu registers. Partly it's so that they can verify perf is doing what they want, and some of it is that they're interested in some of the more obscure info that isn't plumbed out through other perf interfaces. Ove

[PATCH 03/13] perf/core: Update perf_*_sample() to include perf_arch_regs

perf_prepare_sample is extended to include the perf_arch_regs_mask in the sample header size calculation. Update perf_output_sample() to dump the perf_arch_regs_mask to sample output. Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Jiri Olsa Cc: Arnaldo Carvalho de Melo Cc: Stephan

[PATCH 04/13] perf/core: Extend perf_output_sample_regs() to include perf_arch_regs

Extend perf_output_sample_regs() to take in perf_regs structure as a parameter instead of pt_regs. Add code to check for arch_regs_mask and dump the arch registers to the output sample. Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Jiri Olsa Cc: Arnaldo Carvalho de Melo Cc: Steph

[PATCH 06/13] powerpc/perf: Add support for perf_arch_regs in powerpc

Patch defines struct perf_arch_regs{} for powerpc and update the per-cpu perf pmu structure to include perf_arch_regs bits. perf_arch_reg_value(), perf_get_arch_reg() and perf_get_arch_regs_mask() are implemented to return proper values for powerpc. Finally adds code to call the processor specific

[PATCH 07/13] powerpc/perf: Add support for perf_arch_regs for Power7 processor

Add code to define support functions and registers mask for Power7 processor. Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Jiri Olsa Cc: Arnaldo Carvalho de Melo Cc: Stephane Eranian Cc: Russell King Cc: Catalin Marinas Cc: Will Deacon Cc: Benjamin Herrenschmidt Cc: Michael

[PATCH 08/13] powerpc/perf: Add support for perf_arch_regs for newer Power processor

Add code to define support functions and registers mask for Power8 and later processor. Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Jiri Olsa Cc: Arnaldo Carvalho de Melo Cc: Stephane Eranian Cc: Russell King Cc: Catalin Marinas Cc: Will Deacon Cc: Benjamin Herrenschmidt C

[PATCH 10/13] tool/perf: Add support for perf_arch_regs

Update the structure regs_dump with the arch_regs_mask variable. Update perf_evsel__parse_sample() and perf_event__sample_event_size() to include arch_regs_mask variable. Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Jiri Olsa Cc: Arnaldo Carvalho de Melo Cc: Stephane Eranian Cc

[PATCH 11/13] tools/perf: Fix the mask in regs_dump__printf and print_sample_iregs

When decoding the perf_regs mask in regs_dump__printf(), we loop through the mask using find_first_bit and find_next_bit functions. "mask" is of type "u64", but sent as a "unsigned long *" to lib functions along with sizeof(). While the exisitng code works fine in most of the case, the logic is br

[PATCH 09/13] powerpc/perf: Add support for perf_arch_regs for PPC970 processor

Add code to define support functions and registers mask for PPC970 processor. Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Jiri Olsa Cc: Arnaldo Carvalho de Melo Cc: Stephane Eranian Cc: Russell King Cc: Catalin Marinas Cc: Will Deacon Cc: Benjamin Herrenschmidt Cc: Michael

[PATCH 12/13] tool/perf: Add perf_arch_reg mask and arch_reg_names structure

Add arch_reg_names structure and define perf_arch_reg_name() function to aid the printing of arch_regs values. Also, extend regs_dump__printf() to include perf_arch_regs_mask to enable printing support. Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Jiri Olsa Cc: Arnaldo Carvalho d

[PATCH 13/13] powerpc/perf: Add support to dump only arch_regs

perf tool provides us an option to selective dump intr_regs. Add arch_regs option to it. Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Jiri Olsa Cc: Arnaldo Carvalho de Melo Cc: Stephane Eranian Cc: Russell King Cc: Catalin Marinas Cc: Will Deacon Cc: Benjamin Herrenschmidt

[PATCH 05/13] powerpc/perf: Define enums for perf_arch_regs registers

Patch creates a perf_event_powerpc_arch_regs enum and macros to include some of the powerpc pmu registers. Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Jiri Olsa Cc: Arnaldo Carvalho de Melo Cc: Stephane Eranian Cc: Russell King Cc: Catalin Marinas Cc: Will Deacon Cc: Benjam

[PATCH 02/13] perf/core: Extend perf_sample_regs_intr() to include perf_arch_regs update

Extend perf_sample_regs_intr() to support the updates needed for perf_arch_reg structure and perf_arch_regs_mask. Also add code to init the arch_regs_mask to zero incase of regs_user in perf_sample_regs_user(). Ideally this should be done in perf_sample_data_init, but due to commit 2565711fb7d7 ("p

Re: [PATCH 01/13] perf/core: Add perf_arch_regs and mask to perf_regs structure

Hi Madhavan, [auto build test ERROR on tip/perf/core] [also build test ERROR on v4.8-rc3 next-20160825] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] [Suggest to use git(>=2.9.0) format-patch --base= (or --base=auto for convenience) to record

Re: [PATCH 01/13] perf/core: Add perf_arch_regs and mask to perf_regs structure

Hi Madhavan, [auto build test WARNING on tip/perf/core] [also build test WARNING on v4.8-rc4 next-20160825] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] [Suggest to use git(>=2.9.0) format-patch --base= (or --base=auto for convenience) to rec

Re: [PATCH 01/13] perf/core: Add perf_arch_regs and mask to perf_regs structure

Hi Madhavan, [auto build test ERROR on tip/perf/core] [also build test ERROR on v4.8-rc4 next-20160825] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] [Suggest to use git(>=2.9.0) format-patch --base= (or --base=auto for convenience) to record

Re: [RFC PATCH v4 11/12] powerpc: Add a Kconfig and a function to set new soft_enabled mask

On Mon, 29 Aug 2016 00:07:27 +0530 Madhavan Srinivasan wrote: > New Kconfig is added "CONFIG_IRQ_DEBUG_SUPPORT" to add a warn_on > to alert the usage of soft_irq_set_mask() for disabling lower > bitmask interrupts. > > Have also moved the code under the CONFIG_TRACE_IRQFLAGS in > arch_local_irq_

Re: [RFC PATCH v4 12/12] powerpc: rewrite local_t using soft_irq

On Mon, 29 Aug 2016 00:07:28 +0530 Madhavan Srinivasan wrote: > diff --git a/arch/powerpc/include/asm/local.h > b/arch/powerpc/include/asm/local.h > index b8da91363864..e3f5fa77476c 100644 > --- a/arch/powerpc/include/asm/local.h > +++ b/arch/powerpc/include/asm/local.h > @@ -4,6 +4,8 @@ > #inc

Re: [RFC PATCH v4 11/12] powerpc: Add a Kconfig and a function to set new soft_enabled mask

On Mon, 29 Aug 2016 00:07:27 +0530 Madhavan Srinivasan wrote: > New Kconfig is added "CONFIG_IRQ_DEBUG_SUPPORT" to add a warn_on > to alert the usage of soft_irq_set_mask() for disabling lower > bitmask interrupts. > > Have also moved the code under the CONFIG_TRACE_IRQFLAGS in > arch_local_irq_

Re: [PATCH] net: ucc_geth: fix spelling mistake "propperty" -> "property"

From: Colin King Date: Sun, 28 Aug 2016 12:03:27 +0100 > From: Colin Ian King > > Trivial fix to spelling mistake in dev_warn message. > > Signed-off-by: Colin Ian King Applied.

Re: [PATCH] wan/fsl_ucc_hdlc: fix spelling mistake "prameter" -> "parameter"

From: Colin King Date: Sun, 28 Aug 2016 11:40:41 +0100 > From: Colin Ian King > > Trivial fix to spelling mistake in dev_err message. > > Signed-off-by: Colin Ian King Applied.

[GIT PULL] Please pull powerpc/linux.git powerpc-4.8-4 tag

Hi Linus ! So my appologies for being a lousy replacement maintainer while Michael is on vacation ... this was meant to be sent early last week, but I has a change pending on one of the fixes and other things made me forget all about. Ugh. This is my first signed-tag and use of 2fa so I hope I go

Re: [RFC PATCH v4 11/12] powerpc: Add a Kconfig and a function to set new soft_enabled mask

On Monday 29 August 2016 07:11 AM, Nicholas Piggin wrote: On Mon, 29 Aug 2016 00:07:27 +0530 Madhavan Srinivasan wrote: New Kconfig is added "CONFIG_IRQ_DEBUG_SUPPORT" to add a warn_on to alert the usage of soft_irq_set_mask() for disabling lower bitmask interrupts. Have also moved the code

[PATCH] powerpc: Use kmalloc_array() in grow()

From: Markus Elfring Date: Mon, 29 Aug 2016 07:50:33 +0200 * A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "kmalloc_array". This issue was detected by using the Coccinelle s

Re: [PATCH kernel 14/15] vfio/spapr_tce: Export container API for external users

On 18/08/16 10:22, Alexey Kardashevskiy wrote: > On 17/08/16 13:17, David Gibson wrote: >> On Fri, Aug 12, 2016 at 09:22:01AM -0600, Alex Williamson wrote: >>> On Fri, 12 Aug 2016 15:46:01 +1000 >>> David Gibson wrote: >>> On Wed, Aug 10, 2016 at 10:46:30AM -0600, Alex Williamson wrote: >