On 01/02/17 at 07:44pm, Hari Bathini wrote:
> Get rid of multiple definitions of append_elf_note() & final_note()
> functions. Reuse these functions compiled under CONFIG_CRASH_CORE
> Also, define Elf_Word and use it instead of generic u32 or the more
> specific Elf64_Word.
>
> Signed-off-by: Hari
Hi, Hari
On 01/02/17 at 07:43pm, Hari Bathini wrote:
> Traditionally, kdump is used to save vmcore in case of a crash. Some
> architectures like powerpc can save vmcore using architecture specific
> support instead of kexec/kdump mechanism. Such architecture specific
> support also needs to reserv
On Wed, 4 Jan 2017 22:21:05 +0530
Madhavan Srinivasan wrote:
> On Wednesday 04 January 2017 06:08 PM, Nicholas Piggin wrote:
> > On Wed, 4 Jan 2017 17:19:46 +0530
> > Madhavan Srinivasan wrote:
> >
> >> @@ -134,7 +137,7 @@ static inline bool arch_irqs_disabled(void)
> >>_was_enabled = loc
On Thursday 05 January 2017 10:25 AM, Balbir Singh wrote:
This patch removes the disabling of interrupts
in soft-disable mode, when interrupts are received
(in lazy mode). The new scheme keeps the interrupts
enabled when we receive an interrupt and does the
following:
When an external inte
a. On decrementer interrupt, instead of setting
dec to maximum and returning, we do the following
i. Call a function handle_nmi_dec, which in
turn calls handle_soft_nmi
ii. handle_soft_nmi sets the decrementer value
to 1 second and checks if more than 30
seconds have passed
This patch removes the disabling of interrupts
in soft-disable mode, when interrupts are received
(in lazy mode). The new scheme keeps the interrupts
enabled when we receive an interrupt and does the
following:
When an external interrupt is received, we
store the interrupt in local_paca via
We merge IPI and DEFAULT priorities to the same
value. The idea is to keep interrupts enabled
even in lazy soft-disabled mode. Instead of storing
the IPI and irq separately, we keep the levels
same so that we deal with only one of them
Cc: Michael Ellerman
Cc: Benjamin Herrenschmidt
Cc: Paul Mac
This patch is based on suggestions from paulus and benh.
The bugs are all mine. The idea was to implement soft
NMI(s) by keeping interrupts enabled in the soft-disabled
state, but to use the interrupt controller to gate posting
of new interrupts to the processor. This is still work in
progress and
On Wed, 2017-01-04 at 11:04 -0200, Tulio Magno Quites Machado Filho
> > +#define AT_L1I_CACHESIZE 40
> > +#define AT_L1I_CACHESHAPE 41
> > +#define AT_L1D_CACHESIZE 42
> > +#define AT_L1D_CACHESHAPE 43
> > +#define AT_L2_CACHESIZE44
> > +#define AT_L2_CACHESHAPE 45
> > +#define
On Wed, Jan 04, 2017 at 10:37:58AM +0530, Aneesh Kumar K.V wrote:
Reza Arbab writes:
+static void remove_pagetable(unsigned long start, unsigned long end)
+{
+ unsigned long addr, next;
+ pud_t *pud_base;
+ pgd_t *pgd;
+
+ spin_lock(&init_mm.page_table_lock);
+
+ f
On Wed, Jan 04, 2017 at 10:34:25AM +0530, Aneesh Kumar K.V wrote:
We lost the below in the change.
pr_info("Mapping range 0x%lx - 0x%lx with 0x%lx\n",
(unsigned long)base, (unsigned long)end,
linear_page_size);
Is there a way to d
On 12/15/2016 04:22 PM, John Allen wrote:
> Extend the existing PRRN infrastructure to perform the actual affinity
> updating for cpus and memory in addition to the device tree updating. For
> cpus, dynamic affinity updating already appears to exist in the kernel in
> the form of arch_update_cpu_to
On Tue, Jan 03, 2017 at 10:22:57AM -0800, Caleb Crome wrote:
> From: Caleb Crome
>
> The fsl_ssi fifo watermark is by default set to 2 free spaces (i.e.
> activate DMA on FIFO when only 2 spaces are left.) This means the
Please submit patches using subject lines reflecting the style for the
sub
From: Madalin Bucur
Date: Wed, 4 Jan 2017 13:21:28 +0200
> Add cleanup on PHY initialization failure path, avoid using
> uninitialized memory at CGR init.
Series applied, thanks.
Consider the following test, built for 32-bit powerpc and run under a
32-bit kernel.
#define _GNU_SOURCE
#include
#include
#include
#include
int
main (void)
{
int fd = open ("/dev/null", O_RDWR);
int ret = posix_fadvise64 (fd, 0, -1, POSIX_FADV_NORMAL);
if (ret == EINVAL)
puts ("pos
The patch
ASoC: fsl_ssi: set fifo watermark to more reliable value
has been applied to the asoc tree at
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git
All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) an
On Wed, Jan 04, 2017 at 10:31:42AM -0800, ccrome wrote:
> The subject should be
>
> [PATCH] ASoC: fsl_ssi: set fifo watermark to more reliable value
>
> Correct?
Yes.
> Should I re-submit?
No, it's fine - if I'm sending one of those mails it'll be fine as I've
actually seen the mail to reply
On Wed, 4 Jan 2017, Christophe LEROY wrote:
> Using GCC 5.4.0, I don't have that issue. bootx_init.o only contains reference
> to __stack_chk_fail
FWIW, building with a GCC 5.2 crosscompiler succeeds (with
CONFIG_CC_STACKPROTECTOR_STRONG=y), but I don't know if it will boot
though, see my other
On Wed, Jan 4, 2017 at 10:27 AM, Mark Brown wrote:
>
> On Tue, Jan 03, 2017 at 10:22:57AM -0800, Caleb Crome wrote:
> > From: Caleb Crome
> >
> > The fsl_ssi fifo watermark is by default set to 2 free spaces (i.e.
> > activate DMA on FIFO when only 2 spaces are left.) This means the
>
> Please s
On Wed, Jan 4, 2017 at 8:23 AM, Jens Axboe wrote:
> On 01/04/2017 08:28 AM, Theodore Ts'o wrote:
>>
>> Jens, could you expedite a pull request to Linus? This is affecting
>> ext4 on 1k block file systems on x86/x86_64, so this is not a ppc-only
>> regression.
>
> Yes, it'll go out this morning.
On 01/04/2017 08:28 AM, Theodore Ts'o wrote:
> On Wed, Jan 04, 2017 at 11:32:42AM +0530, Chandan Rajendra wrote:
>> On Wednesday, January 04, 2017 04:18:08 PM Anton Blanchard wrote:
>>> I'm consistently seeing ext4 filesystem corruption using a mainline
>>> kernel. It doesn't take much to trigger i
On Wednesday 04 January 2017 06:08 PM, Nicholas Piggin wrote:
On Wed, 4 Jan 2017 17:19:46 +0530
Madhavan Srinivasan wrote:
@@ -134,7 +137,7 @@ static inline bool arch_irqs_disabled(void)
_was_enabled = local_paca->soft_enabled; \
local_paca->soft_enabled = IRQ_DISABLE_MA
On Wed, Jan 04, 2017 at 11:32:42AM +0530, Chandan Rajendra wrote:
> On Wednesday, January 04, 2017 04:18:08 PM Anton Blanchard wrote:
> > I'm consistently seeing ext4 filesystem corruption using a mainline
> > kernel. It doesn't take much to trigger it - download a ppc64le Ubuntu
> > cloud image, b
On 01/03/2017 10:18 PM, Anton Blanchard wrote:
> Hi,
>
> I'm consistently seeing ext4 filesystem corruption using a mainline
> kernel. It doesn't take much to trigger it - download a ppc64le Ubuntu
> cloud image, boot it in KVM and run:
>
> sudo apt-get update
> sudo apt-get dist-upgrade
> sudo r
On Wed, 4 Jan 2017, Christophe LEROY wrote:
> Looking a bit over internet, some people have reported having encountered that
> issue due to old object files not properly cleaned.
> Have you tried a 'make clean' or 'distclean' ?
I'm compiling with O=$DIR and I've deleted the entire $DIR before
com
> diff --git a/samples/livepatch/livepatch-sample.c
> b/samples/livepatch/livepatch-sample.c
> index bb61c65..0625f38 100644
> --- a/samples/livepatch/livepatch-sample.c
> +++ b/samples/livepatch/livepatch-sample.c
> @@ -89,7 +89,6 @@ static int livepatch_init(void)
>
> static void livepatch_e
On Wed, Jan 04, 2017 at 01:03:49PM +0200, Madalin Bucur wrote:
> From: Scott Wood
>
> No device tree has these, nor does any driver look for them.
>
> Signed-off-by: Scott Wood
> ---
> .../devicetree/bindings/soc/fsl/qman-portals.txt | 20
>
> 1 file changed, 20 delet
On Thu, 8 Dec 2016, Josh Poimboeuf wrote:
> Expose the per-task patch state value so users can determine which tasks
> are holding up completion of a patching operation.
>
> Signed-off-by: Josh Poimboeuf
Reviewed-by: Miroslav Benes
Miroslav
On Thu, 8 Dec 2016, Josh Poimboeuf wrote:
> +void klp_start_transition(void)
> +{
> + struct task_struct *g, *task;
> + unsigned int cpu;
> +
> + WARN_ON_ONCE(klp_target_state == KLP_UNDEFINED);
> +
> + pr_notice("'%s': %s...\n", klp_transition_patch->mod->name,
> + k
Benjamin Herrenschmidt writes:
> diff --git a/arch/powerpc/include/uapi/asm/auxvec.h
> b/arch/powerpc/include/uapi/asm/auxvec.h
> index ce17d2c..79183d2 100644
> --- a/arch/powerpc/include/uapi/asm/auxvec.h
> +++ b/arch/powerpc/include/uapi/asm/auxvec.h
> @@ -16,6 +16,37 @@
> */
> #define AT
On Wed, 4 Jan 2017 17:19:46 +0530
Madhavan Srinivasan wrote:
> @@ -134,7 +137,7 @@ static inline bool arch_irqs_disabled(void)
> _was_enabled = local_paca->soft_enabled;\
> local_paca->soft_enabled = IRQ_DISABLE_MASK_LINUX;\
> local_paca->irq_happened |= PACA_IRQ_HARD_D
From: Harisangam, Sharvari (S.)
> Sent: 28 December 2016 11:07
> Corrected the condition to check if ssi is configured for AC97
> mode. Other modes like dsp_a also satisfy the ANDing condition.
Under the assumption that the constants have 1 bit set nothing is wrong.
David
...
> - r
Rename the paca->soft_enabled to paca->soft_disabled_mask as
it is no more used as a flag for interrupt state.
Signed-off-by: Madhavan Srinivasan
---
arch/powerpc/include/asm/hw_irq.h | 36 ++--
arch/powerpc/include/asm/kvm_ppc.h | 2 +-
arch/powerpc/include/asm
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
New Kconfig is added "CONFIG_IRQ_DEBUG_SUPPORT" to add warn_on
to alert the invalid transitions. Also moved the code under
the CONFIG_TRACE_IRQFLAGS in arch_local_irq_restore() to new Kconfig.
Signed-off-by: Madhavan Srinivasan
---
arch/powerpc/Kconfig | 4
arch/powerpc/kernel/irq.c |
To support disabling and enabling of irq with PMI, set of
new powerpc_local_irq_pmu_save() and powerpc_local_irq_restore()
functions are added. And powerpc_local_irq_save() implemented,
by adding a new soft_enabled manipulation function soft_enabled_or_return().
Local_irq_pmu_* macros are provided
Two new bit mask field "IRQ_DISABLE_MASK_PMU" is introduced to support
the masking of PMI and "IRQ_DISABLE_MASK_ALL" to aid interrupt masking checking.
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 the masked_int
To support addition of "bitmask" to MASKABLE_* macros,
factor out the EXCPETION_PROLOG_1 macro.
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_T
Currently we use both EXCEPTION_PROLOG_1 and __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.
Reviewed-by: Nicholas Piggin
Signed-off-by: Madhavan Srinivasan
---
arch/powerpc/include/asm/excepti
"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
Add new soft_enabled_* manipulation function and implement
arch_local_* using the soft_enabled_* wrappers.
Reviewed-by: Nicholas Piggin
Signed-off-by: Madhavan Srinivasan
---
arch/powerpc/include/asm/hw_irq.h | 32 ++--
1 file changed, 14 insertions(+), 18 deletions(
Force use of soft_enabled_set() wrapper to update paca-soft_enabled
wherever possisble. Also add a new wrapper function, soft_enabled_set_return(),
added to force the paca->soft_enabled updates.
Signed-off-by: Madhavan Srinivasan
---
arch/powerpc/include/asm/hw_irq.h | 14 ++
arch/p
Move set_soft_enabled() from powerpc/kernel/irq.c to
asm/hw_irq.c, to force updates to paca-soft_enabled
done via these access function. Add "memory" clobber
to hint compiler since paca->soft_enabled memory is the target
here
Renaming it as soft_enabled_set() will make
namespaces works better as p
Two #defs IRQ_DISABLE_LEVEL_NONE and IRQ_DISABLE_LEVEL_LINUX
are added to be used when updating paca->soft_enabled.
Replace the hardcoded values used when updating
paca->soft_enabled with IRQ_DISABLE_MASK_* #def.
No logic change.
Reviewed-by: Nicholas Piggin
Signed-off-by: Madhavan Srinivasan
--
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
From: Roy Pledge
The QBMan CGR options needs to be zeroed before calling the init
function
Signed-off-by: Roy Pledge
---
drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
b/drivers/net/ethernet/f
Add cleanup on PHY initialization failure path, avoid using
uninitialized memory at CGR init.
Madalin Bucur (1):
dpaa_eth: cleanup after init_phy() failure
Roy Pledge (1):
dpaa_eth: Initialize CGR structure before init
drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 6 +-
1 file change
Signed-off-by: Madalin Bucur
---
drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index 624ba90..77517aa 100644
--- a/drivers/net/e
From: Scott Wood
No device tree has these, nor does any driver look for them.
Signed-off-by: Scott Wood
---
.../devicetree/bindings/soc/fsl/qman-portals.txt | 20
1 file changed, 20 deletions(-)
diff --git a/Documentation/devicetree/bindings/soc/fsl/qman-portals.txt
On 2016/12/25 11:54AM, Masami Hiramatsu wrote:
> On Mon, 19 Dec 2016 18:48:24 +0530
> Anju T Sudhakar wrote:
>
> > Detour buffer contains instructions to create an in memory pt_regs.
> > After the execution of the pre-handler, a call is made for instruction
> > emulation.
> > The NIP is determin
On Tue, Jan 03, 2017 at 06:11:20PM -0800, Christian Kujau wrote:
> Hi,
>
> booting v4.10-rc2 on this PowerPC G4 machine prints the following early
> on, but then continues to boot and the machine is running fine so far:
>
>
> BUG: key ef0ba7d0 not in .data!
> DEBUG_LOCKS_WARN_ON(1)
> --
On Tuesday 20 December 2016 08:28 AM, Nicholas Piggin wrote:
On Mon, 19 Dec 2016 13:37:08 +0530
Madhavan Srinivasan wrote:
Rename the paca->soft_enabled to paca->soft_disabled_mask as
it is no more used as a flag for interrupt state.
This makes it much more readable, thanks. I have a quest
On Wed, Jan 04, 2017 at 09:23:47AM +0100, Christophe LEROY wrote:
> >The way gcc implements the stack protector has some serious
> >incompatibilities with the way the Linux kernel uses r13, I wouldn't
> >even try until we sort that out...
>
> Yes indeed, it looks like recent versions of GCC don't
Le 03/01/2017 à 23:50, Benjamin Herrenschmidt a écrit :
On Tue, 2017-01-03 at 07:25 -0800, Christian Kujau wrote:
Hi,
when compiling v4.10-rc2 with CONFIG_CC_STACKPROTECTOR_STRONG=y, the
linker fails with:
The way gcc implements the stack protector has some serious
incompatibilities with th
Hi,
it is present on ppc not le too.
found it on Ubuntu Mate 16.10 PPC with kernel 4.9 rc6 PPC64 on P5020/P5040
Thanks
Luigi
Da: Linuxppc-dev
per conto di
Anton Blanchard
Inviato: mercoledì 4 gennaio 2017 06.18
A: j...@suse.cz; Michael Ellerman; Benjamin
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