Add BPF extension SKF_AD_PKTTYPE to ppc JIT to load
skb->pkt_type field.
Before:
[ 88.262622] test_bpf: #11 LD_IND_NET 86 97 99 PASS
[ 88.265740] test_bpf: #12 LD_PKTTYPE 109 107 PASS
After:
[ 80.605964] test_bpf: #11 LD_IND_NET 44 40 39 PASS
[ 80.607370] test_bpf: #12 LD_PKTTYPE 9 9 PASS
Hello Anton,
On 09/17/2014 07:15 AM, Anton Blanchard wrote:
> At the moment we transition from the memblock alloctor to the bootmem
> allocator. Gitting rid of the bootmem allocator removes a bunch of
> complicated code (most of which I owe the dubious honour of being
> responsible for writing).
Endian is hard, especially when I designed a stupid FW interface, and
I should know better... oh well, this is attempt #2 at fixing this
properly. This time it seems to work with all access sizes and I
can run my flashing tool (which exercises all sort of access sizes
and types to access the SPI co
Back in 7230c5644188 ("powerpc: Rework lazy-interrupt handling") we
added a call out to restore_interrupts() (written in c) before we
call do_notify_resume:
bl restore_interrupts
addir3,r1,STACK_FRAME_OVERHEAD
bl do_notify_resume
Unfortunately do_notify_resum
On Wed, 2014-10-29 at 13:21 +0400, Denis Kirjanov wrote:
> Any feedback from PPC folks?
Hi Denis,
I had a look at this, but I don't know enough about BPF to comment.
Maybe you can explain what a BPF_ANC | SKF_AD_PKTTYPE means and perhaps then we
can guess if the code is correct.
I think testing
Commit d4fe0965e208 ("powerpc/jump_label: use HAVE_JUMP_LABEL?")
missed a few conversions. Change the remaining uses of
CONFIG_JUMP_LABEL to HAVE_JUMP_LABEL.
Signed-off-by: Anton Blanchard
---
arch/powerpc/platforms/powernv/opal-wrappers.S | 2 +-
arch/powerpc/platforms/pseries/hvCall.S|
Hello Scott,
On 10/29/2014 05:16 PM, Scott Wood wrote:
> On Wed, 2014-10-29 at 16:40 -0500, Emil Medve wrote:
>> Hello Scott,
>>
>>
>> On 10/28/2014 01:08 PM, Scott Wood wrote:
>>> On Tue, 2014-10-28 at 09:36 -0500, Kumar Gala wrote:
On Oct 22, 2014, at 9:09 AM, Emil Medve
wrote:
On Tue, 2014-10-28 at 18:06 +0100, Johannes Thumshirn wrote:
> Hi,
>
> I got notified about your patch to support multiple MSI Vectors on Freescale
> PowerPC platforms. Is there any reason why it wasn't applied until now? I
> couldn't find anything about it in the list archives.
>
> I think it wo
On Wed, 2014-10-29 at 16:40 -0500, Emil Medve wrote:
> Hello Scott,
>
>
> On 10/28/2014 01:08 PM, Scott Wood wrote:
> > On Tue, 2014-10-28 at 09:36 -0500, Kumar Gala wrote:
> >> On Oct 22, 2014, at 9:09 AM, Emil Medve
> >> wrote:
> >>
> >>> The Buffer Manager is part of the Data-Path Accelerati
Hello Scott,
On 10/28/2014 01:08 PM, Scott Wood wrote:
> On Tue, 2014-10-28 at 09:36 -0500, Kumar Gala wrote:
>> On Oct 22, 2014, at 9:09 AM, Emil Medve wrote:
>>
>>> The Buffer Manager is part of the Data-Path Acceleration Architecture
>>> (DPAA).
>>> BMan supports hardware allocation and deal
Hello Kumar,
On 10/28/2014 09:41 AM, Kumar Gala wrote:
> On Oct 28, 2014, at 4:15 AM, Emil Medve wrote:
>
>> Portals are memory mapped interfaces to BMan that allow low-latency,
>> lock-less interaction by software running on processor cores, accelerators
>> and network interfaces with the BMan
Hello Kumar,
Thanks for taking the time to review this
On 10/28/2014 09:39 AM, Kumar Gala wrote:
> On Oct 28, 2014, at 4:15 AM, Emil Medve wrote:
>> The Buffer Manager is part of the Data-Path Acceleration Architecture (DPAA).
>> BMan supports hardware allocation and deallocation of buffers bel
Adding __init to MMU_setup() which uses __initdata boot_command_line.
Warning appeared since commit 3e47d1474c2b
("powerpc: Remove powerpc specific cmd_line")
Signed-off-by: Fabian Frederick
---
arch/powerpc/mm/init_32.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/p
Acked-by: Brian King
--
Brian King
Power Linux I/O
IBM Linux Technology Center
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Acked-by: Brian King
--
Brian King
Power Linux I/O
IBM Linux Technology Center
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On Wed, Oct 29, 2014 at 2:21 AM, Denis Kirjanov wrote:
> Any feedback from PPC folks?
not a ppc guy, but looks reasonable to me.
What lib/test_bpf says? Like performance difference before/after
for LD_PKTTYPE test...
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On Wed, 29 Oct 2014, Michael Ellerman wrote:
> > #define __ARCH_IRQ_STAT
> >
> > -#define local_softirq_pending()
> > __get_cpu_var(irq_stat).__softirq_pending
> > +#define local_softirq_pending()
> > __this_cpu_read(irq_stat.__softirq_pending)
> > +#define set_softirq_pending(x) __this_c
On Wed, Oct 29, 2014 at 01:49:44PM +0530, Aneesh Kumar K.V wrote:
> Update generic gup implementation with powerpc specific details.
> On powerpc at pmd level we can have hugepte, normal pmd pointer
> or a pointer to the hugepage directory.
>
> Signed-off-by: Aneesh Kumar K.V
Acked-by: Steve Cap
Any feedback from PPC folks?
On 10/26/14, Denis Kirjanov wrote:
> Cc: Matt Evans
> Signed-off-by: Denis Kirjanov
> ---
> arch/powerpc/include/asm/ppc-opcode.h | 1 +
> arch/powerpc/net/bpf_jit.h| 7 +++
> arch/powerpc/net/bpf_jit_comp.c | 5 +
> 3 files changed, 13 in
On 10/29/2014 12:08 AM, Scott Wood wrote:
> On Fri, 2014-10-17 at 11:27 +0200, Valentin Longchamp wrote:
>> With "fsl-i2c" compatibility the i2c frequency is not set
>> correctly, because it sets no prescaler. According to the AN2919 from
>> Freescale and the QorIQ (P2041) documentation, the source
Hi Linus,
Here are some updates for powerpc.
There's some bug fixes or cleanups to facilitate fixes, a MAINTAINERS update,
and a new syscall (bpf).
cheers
The following changes since commit c3351dfabf5c78fb5ddc79d0f7b65ebd9e441337:
Merge branch 'for-next' of
git://git.kernel.org/pub/scm/li
On Wed, 2014-10-29 at 09:54 +0200, Jani Nikula wrote:
> On Wed, 29 Oct 2014, Michael Ellerman wrote:
> > On Tue, 2014-10-28 at 13:29 -0700, Randy Dunlap wrote:
> >> On 10/27/14 06:13, Tomi Valkeinen wrote:
> >> > I also think the 'depends on BACKLIGHT_CLASS_DEVICE ||
> >> > BACKLIGHT_CLASS_DEVICE=
This patch switch the ppc arch to use the generic RCU based
gup implementation.
Signed-off-by: Aneesh Kumar K.V
---
arch/powerpc/Kconfig | 1 +
arch/powerpc/include/asm/hugetlb.h | 8 +-
arch/powerpc/include/asm/page.h | 3 +-
arch/powerpc/include/asm/pgt
Update generic gup implementation with powerpc specific details.
On powerpc at pmd level we can have hugepte, normal pmd pointer
or a pointer to the hugepage directory.
Signed-off-by: Aneesh Kumar K.V
---
Changes from V3:
* Drop arm and arm64 changes
* Add hugepte assumption to the function
ar
On Wed, 29 Oct 2014, Michael Ellerman wrote:
> On Tue, 2014-10-28 at 13:29 -0700, Randy Dunlap wrote:
>> On 10/27/14 06:13, Tomi Valkeinen wrote:
>> > I also think the 'depends on BACKLIGHT_CLASS_DEVICE ||
>> > BACKLIGHT_CLASS_DEVICE=n' pattern is quite... interesting (i.e. sounds
>> > like a hack
On Tue, Oct 28, 2014 at 02:10:18PM -0500, Scott Wood wrote:
> On Tue, 2014-10-28 at 18:06 +0100, Johannes Thumshirn wrote:
> > Hi,
> >
> > I got notified about your patch to support multiple MSI Vectors on Freescale
> > PowerPC platforms. Is there any reason why it wasn't applied until now? I
> > c
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