The raid6 Q syndrome check has been optimised using the vpermxor
instruction. This instruction was made available with POWER8, ISA version
2.07. It allows for both vperm and vxor instructions to be done in a single
instruction. This has been tested for correctness on a ppc64le vm with a
basic RAID
On 29/03/17 02:14, Christophe Lombard wrote:
This series adds support for a cxl card which supports the Coherent
Accelerator Interface Architecture 2.0.
It requires IBM Power9 system and the Power Service Layer, version 9.
The PSL provides the address translation and system memory cache for
CAIA
>From 3ae8d1ed31b01b92b172fe20e4560cfbfab135ec Mon Sep 17 00:00:00 2001
From: root
Date: Mon, 27 Mar 2017 19:43:14 -0400
Subject: [PATCH] powerpc/prom: Increase RMA size to 512MB
When booting very large systems with a large initrd, we run out of
space for either the RTAS or the flattened device t
On 03/22/2017 09:07 AM, Aneesh Kumar K.V wrote:
> As we start supporting larger address space (>128TB), we want to give
> architecture a control on max task size of an application which is different
> from the TASK_SIZE. For ex: ppc64 needs to track the base page size of a
> segment
> and it is co
On 03/29/2017 05:17 PM, Michael Ellerman wrote:
> Michal Suchanek writes:
>
>> While reviewing commit 11c6e16ee13a ("crypto: vmx - Adding asm
>> subroutines for XTS") which adds the OpenSSL license header to
>> drivers/crypto/vmx/aesp8-ppc.pl licensing of this driver came into
>> qestion. The who
Michal Suchanek writes:
> While reviewing commit 11c6e16ee13a ("crypto: vmx - Adding asm
> subroutines for XTS") which adds the OpenSSL license header to
> drivers/crypto/vmx/aesp8-ppc.pl licensing of this driver came into
> qestion. The whole license reads:
>
> # Licensed under the OpenSSL lice
On Tue, 28 Mar 2017 19:15:28 +0530
Mahesh J Salgaonkar wrote:
> From: Mahesh Salgaonkar
>
> For MCE that hit while in use mode MSR(HV=1,PR=1), print the task info on the
> console MCE error log. This will help to identify application that stumbled
> upon MCE error.
I think you may still want t
The HDAT data area is consumed by skiboot and turned into a device-tree. In
some cases we would like to look directly at the HDAT. This is not possible
through /dev/mem as it is reserved memory which is stopped by the /dev/mem
filter. There are also other memory areas which are reserved but could b
On 03/29/2017 08:13 AM, Michal Suchánek wrote:
> On Wed, 29 Mar 2017 16:51:35 +0200
> Greg Kroah-Hartman wrote:
>
>> On Wed, Mar 29, 2017 at 02:56:39PM +0200, Michal Suchanek wrote:
>>> While reviewing commit 11c6e16ee13a ("crypto: vmx - Adding asm
>>> subroutines for XTS") which adds the OpenSSL
On Wed, 2017-03-29 at 23:29 +0200, Arnd Bergmann wrote:
> Why not move the mac_hid module to drivers/input instead so
> it no longer depends on MACINTOSH_DRIVERS?
>
> For the other mac drivers, it may be helpful to to add '||
> COMPILE_TEST'
> to the dependency line here to allow building them on
On Wed, Mar 29, 2017 at 3:33 PM, Michal Suchanek wrote:
> The mac mouse emulation is neat solution for notebooks with suboptimal
> touchpads. For historical reason this is available on x86 but not arm or
> mips so remove the limitation.
>
> The other more specific drivers depend on various platfor
Enable HAVE_GENERIC_DMA_COHERENT to enable use of shared-dma-pool
reserved memory mappings
Signed-off-by: Roy Pledge
---
arch/powerpc/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 186e060..0e80e8b 100644
--- a/arch/powerpc/Kconfig
+
Updates the QMan and BMan device tree bindings for reserved memory
nodes. This makes the reserved memory allocation compatiable with
the shared-dma-pool usage.
Signed-off-by: Roy Pledge
---
Documentation/devicetree/bindings/soc/fsl/bman.txt | 10 +-
Documentation/devicetree/bindings/soc/
QBMan now uses the shared-dma-pool mechansim to manage early
memory reservations.
Signed-off-by: Roy Pledge
---
arch/powerpc/boot/dts/fsl/b4qds.dtsi| 6 ++
arch/powerpc/boot/dts/fsl/b4si-post.dtsi| 15 ---
arch/powerpc/boot/dts/fsl/cyrus_p5020.dts | 6 ++
arch
Use the shared-memory-pool mechanism for frame queue descriptor and
packed frame descriptor record area allocations.
Signed-off-by: Roy Pledge
---
drivers/soc/fsl/qbman/qman_ccsr.c | 119 +-
drivers/soc/fsl/qbman/qman_priv.h | 4 +-
drivers/soc/fsl/qbman/qma
Use the shared-memory-pool mechanism for free buffer proxy record
area allocation.
Signed-off-by: Roy Pledge
---
drivers/soc/fsl/qbman/bman_ccsr.c | 27 ++-
drivers/soc/fsl/qbman/bman_priv.h | 3 +++
2 files changed, 29 insertions(+), 1 deletion(-)
diff --git a/drivers/
The QBMan device requires three separate memory areas that are only
accessed by the device. These areas are reserved using the OF reserved
memory mechanism and associated to the device in the device trees
memory-region attribute. However in order to be allocatable using
the dma_alloc() APIs the res
Commit 4c6d9acce1f4 ("powerpc/mm: Add hooks for cxl") converted local
TLBIs to global if the cxl driver is active. It is necessary because
the CAPP snoops invalidations to forward them to the PSL on the cxl
adapter.
However one path was apparently forgotten. native_flush_hash_range()
still sends lo
Le 29/03/2017 à 02:21, Andrew Donnellan a écrit :
On 29/03/17 02:14, Christophe Lombard wrote:
The two fields pid and tid of the structure cxl_irq_info are only used
in the guest environment. To avoid confusion, it's not necessary
to fill the fields in the bare-metal environment. These two field
On Wed, 29 Mar 2017 16:51:35 +0200
Greg Kroah-Hartman wrote:
> On Wed, Mar 29, 2017 at 02:56:39PM +0200, Michal Suchanek wrote:
> > While reviewing commit 11c6e16ee13a ("crypto: vmx - Adding asm
> > subroutines for XTS") which adds the OpenSSL license header to
> > drivers/crypto/vmx/aesp8-ppc.pl
On Wed, Mar 29, 2017 at 02:56:39PM +0200, Michal Suchanek wrote:
> While reviewing commit 11c6e16ee13a ("crypto: vmx - Adding asm
> subroutines for XTS") which adds the OpenSSL license header to
> drivers/crypto/vmx/aesp8-ppc.pl licensing of this driver came into
> qestion. The whole license reads:
The mac mouse emulation is neat solution for notebooks with suboptimal
touchpads. For historical reason this is available on x86 but not arm or
mips so remove the limitation.
The other more specific drivers depend on various platform drivers
anyway so users will not select those by accident.
Sign
While reviewing commit 11c6e16ee13a ("crypto: vmx - Adding asm
subroutines for XTS") which adds the OpenSSL license header to
drivers/crypto/vmx/aesp8-ppc.pl licensing of this driver came into
qestion. The whole license reads:
# Licensed under the OpenSSL license (the "License"). You may not use
Denis Kirjanov writes:
> Hi,
>
> Ok, now we have a new locking issue with interrupts which I found on my P8
> box.
> I haven't found where we take the console_lock, only in hvc_remove.
>
> BTW, Ben, looks like it's a bug in hvc_remove:
> we take spin_lock and then semaphore lock.
Yeah that does
The patch
ASoC: imx-wm8962: Let codec driver enable/disable its MCLK
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)
The patch
ASoC: imx-wm8962: Fix codec_clk cleanup
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) and sent to Linus d
On Wed, Mar 29, 2017 at 02:38:23PM +0300, Daniel Baluta wrote:
> If I read the code correctly, both machine and codec driver are doing:
> * codec_clk = clk_get(...)
> I guess that the codec driver is the first to be loaded and it will call:
> * __clk_create_clk
> which will do the allocation.
On Tue, Mar 28, 2017 at 6:24 PM, Mark Brown wrote:
> On Tue, Mar 28, 2017 at 12:53:06PM +0100, Charles Keepax wrote:
>> On Tue, Mar 28, 2017 at 01:47:04PM +0300, Daniel Baluta wrote:
>
>> > >> - codec_clk = devm_clk_get(&codec_dev->dev, NULL);
>> > >> + codec_clk = clk_get(&codec_dev->dev,
"Naveen N. Rao" writes:
> I also tested zram today with the command shared by Wilcox:
>
> without patch: 1.493782568 seconds time elapsed( +- 0.08% )
> with patch: 1.408457577 seconds time elapsed( +- 0.15% )
>
> ... which also shows an improvement along the same lines as
with CONFIG_DEBUG_PREEMPT get_paca produces the following warning
in kvmppc_book3s_init_hv since we are getting into the
smp_processor_id debugging code
There is no real issue with the xics_phys field.
If paca->kvm_hstate.xics_phys is non-zero on one cpu, it will be
non-zero on them all. Therefor
On Wednesday 29 March 2017 09:13 AM, Paul Mackerras wrote:
On Wed, Mar 22, 2017 at 09:06:48AM +0530, Aneesh Kumar K.V wrote:
This avoid copying the slice_mask struct as function return value
Did you do before/after comparisons of kernel text size?
Paul.
textdata bss dec
Denis Kirjanov writes:
> On Wednesday, March 29, 2017, Paul Mackerras wrote:
>
>> On Wed, Mar 29, 2017 at 12:07:03PM +1100, Michael Ellerman wrote:
>> > Denis Kirjanov > writes:
>> >
>> [...]
>> > > @@ -3930,7 +3934,11 @@ static int kvmppc_book3s_init_hv(void)
>> > > * indirectly, via OPAL.
On Wednesday, March 29, 2017, Paul Mackerras wrote:
> On Wed, Mar 29, 2017 at 12:07:03PM +1100, Michael Ellerman wrote:
> > Denis Kirjanov > writes:
> >
> [...]
> > > @@ -3930,7 +3934,11 @@ static int kvmppc_book3s_init_hv(void)
> > > * indirectly, via OPAL.
> > > */
> > > #ifdef CONFI
On Wednesday 22 March 2017 09:07 AM, Aneesh Kumar K.V wrote:
As we start supporting larger address space (>128TB), we want to give
architecture a control on max task size of an application which is different
from the TASK_SIZE. For ex: ppc64 needs to track the base page size of a segment
and it
On Wed, Mar 29, 2017 at 12:07:03PM +1100, Michael Ellerman wrote:
> Denis Kirjanov writes:
>
[...]
> > @@ -3930,7 +3934,11 @@ static int kvmppc_book3s_init_hv(void)
> > * indirectly, via OPAL.
> > */
> > #ifdef CONFIG_SMP
> > - if (!get_paca()->kvm_hstate.xics_phys) {
> > + preempt_
> Can you tell me what actual problem (other than the warning) this is
> fixing?
Since we're running with CONFIG_DEBUG_PREEMPT and CONFIG_SMP
get_paca defined as:
#define get_paca() ((void) debug_smp_processor_id(), local_paca)
instead of direct access to r13 so it's possible that we're preemp
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