a refreshed version or is the current
version good for inclusion?
No, this one would not apply. I can send updated version on top of
v5 I posted earlier. Should I?
tejun
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agord...@redhat.com
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decreased two times.
Both before and after the change the transfer time is the same,
while 'perf record -e cycles:k ...' shows 1%-4% CPU time spent
in ahci_single_irq_intr() routine before the update and not even
sampled/shown ahci_single_irq_intr() after the update.
Signed-off-by: Alexander Gordeev agord
There is no need to acquire ata_host::lock spinlock from
hardware context single IRQ interrupt handler since the
handler does not access host data that could be altered
by concurrent processors.
Signed-off-by: Alexander Gordeev agord...@redhat.com
Cc: linux-...@vger.kernel.org
---
drivers/ata
On Fri, Oct 03, 2014 at 09:25:22PM +0800, Fengguang Wu wrote:
> Hi Alexander,
>
> FYI, we noticed the below changes on
>
> git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/msi
> commit 4ab2ee7c77875669230a797a3ed2228990f82545 ("PCI/MSI: Rename
> pci_msi_check_device() to
On Fri, Oct 03, 2014 at 09:25:22PM +0800, Fengguang Wu wrote:
Hi Alexander,
FYI, we noticed the below changes on
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/msi
commit 4ab2ee7c77875669230a797a3ed2228990f82545 (PCI/MSI: Rename
pci_msi_check_device() to
On Wed, Oct 01, 2014 at 04:31:14PM +0100, Alexander Gordeev wrote:
> I am attaching excerpts from some new perf tests I have done (this
Attaching :)
--
Regards,
Alexander Gordeev
agord...@redhat.com
0.04% dd [kernel.kallsyms] [k] ata_std_qc_defer
0.04% dd [kernel.kallsyms]
On Wed, Sep 24, 2014 at 10:39:13AM -0400, Tejun Heo wrote:
> Hello, Alexander.
>
> On Wed, Sep 24, 2014 at 03:08:44PM +0100, Alexander Gordeev wrote:
> > > Hmmm, how would the whole system benefit from it if there's only
> > > single device? Each individual servicing
On Wed, Sep 24, 2014 at 10:39:13AM -0400, Tejun Heo wrote:
Hello, Alexander.
On Wed, Sep 24, 2014 at 03:08:44PM +0100, Alexander Gordeev wrote:
Hmmm, how would the whole system benefit from it if there's only
single device? Each individual servicing of the interrupt does more
now
On Wed, Oct 01, 2014 at 04:31:14PM +0100, Alexander Gordeev wrote:
I am attaching excerpts from some new perf tests I have done (this
Attaching :)
--
Regards,
Alexander Gordeev
agord...@redhat.com
0.04% dd [kernel.kallsyms] [k] ata_std_qc_defer
0.04% dd [kernel.kallsyms] [k
This update is a prerequisite for consolidation of
AHCI host activation code within ahci_host_activate()
function.
Signed-off-by: Alexander Gordeev
Cc: linux-...@vger.kernel.org
---
drivers/ata/ahci.c| 60 --
drivers/ata/libahci.c | 61
Currently host activation done by calling either function
ahci_host_activate() or ata_host_activate(). Consolidate
the code by only calling ahci_host_activate() for all AHCI
devices.
Signed-off-by: Alexander Gordeev
Cc: linux-...@vger.kernel.org
---
drivers/ata/acard-ahci.c | 3
ing access to the host data is no longer
needed and the interrupt service routine can avoid competing
on the host lock.
Signed-off-by: Alexander Gordeev
Suggested-by: "Jiang, Dave"
Cc: "Jiang, Dave"
Cc: linux-...@vger.kernel.org
---
drivers/ata/ahci.h| 2
Signed-off-by: Alexander Gordeev
Cc: linux-...@vger.kernel.org
---
drivers/ata/libahci.c | 16
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 0080551..48175e5 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata
This update is a prerequisite for consolidation of
AHCI host activation code within ahci_host_activate()
function.
Signed-off-by: Alexander Gordeev
Cc: linux-...@vger.kernel.org
---
drivers/ata/ahci.c | 10 +-
drivers/ata/ahci.h | 3 ++-
2 files changed, 7 insertions(+), 6 deletions
ation added (patch 6);
Cc: linux-...@vger.kernel.org
Alexander Gordeev (5):
AHCI: Pass SCSI host template as arg to ahci_host_activate()
AHCI: Move ahci_host_activate() function to libahci.c
AHCI: Move host activation code into ahci_host_activate()
AHCI: Make few function names more de
ing access to the host data is no longer
needed and the interrupt service routine can avoid competing
on the host lock.
Signed-off-by: Alexander Gordeev
Suggested-by: "Jiang, Dave"
Cc: "Jiang, Dave"
Cc: linux-...@vger.kernel.org
---
drivers/ata/ahci.h| 2
Currently host activation done by calling either function
ahci_host_activate() or ata_host_activate(). Consolidate
the code by only calling ahci_host_activate() for all AHCI
devices.
Signed-off-by: Alexander Gordeev
Cc: linux-...@vger.kernel.org
---
drivers/ata/acard-ahci.c | 3
, ahci_interrupt, 0,
- _highbank_platform_sht);
+ rc = ahci_host_activate(host, irq, _highbank_platform_sht);
if (rc)
goto err0;
> Thanks.
>
> --
> tejun
--
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Alexander Gordeev
agord...@redhat.com
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To unsubscribe from this list: s
,
- ahci_highbank_platform_sht);
+ rc = ahci_host_activate(host, irq, ahci_highbank_platform_sht);
if (rc)
goto err0;
Thanks.
--
tejun
--
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Alexander Gordeev
agord...@redhat.com
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Currently host activation done by calling either function
ahci_host_activate() or ata_host_activate(). Consolidate
the code by only calling ahci_host_activate() for all AHCI
devices.
Signed-off-by: Alexander Gordeev agord...@redhat.com
Cc: linux-...@vger.kernel.org
---
drivers/ata/acard-ahci.c
to the host data is no longer
needed and the interrupt service routine can avoid competing
on the host lock.
Signed-off-by: Alexander Gordeev agord...@redhat.com
Suggested-by: Jiang, Dave dave.ji...@intel.com
Cc: Jiang, Dave dave.ji...@intel.com
Cc: linux-...@vger.kernel.org
---
drivers/ata/ahci.h
: linux-...@vger.kernel.org
Alexander Gordeev (5):
AHCI: Pass SCSI host template as arg to ahci_host_activate()
AHCI: Move ahci_host_activate() function to libahci.c
AHCI: Move host activation code into ahci_host_activate()
AHCI: Make few function names more descriptive
AHCI: Do not read
This update is a prerequisite for consolidation of
AHCI host activation code within ahci_host_activate()
function.
Signed-off-by: Alexander Gordeev agord...@redhat.com
Cc: linux-...@vger.kernel.org
---
drivers/ata/ahci.c | 10 +-
drivers/ata/ahci.h | 3 ++-
2 files changed, 7 insertions
Signed-off-by: Alexander Gordeev agord...@redhat.com
Cc: linux-...@vger.kernel.org
---
drivers/ata/libahci.c | 16
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 0080551..48175e5 100644
--- a/drivers/ata/libahci.c
to the host data is no longer
needed and the interrupt service routine can avoid competing
on the host lock.
Signed-off-by: Alexander Gordeev agord...@redhat.com
Suggested-by: Jiang, Dave dave.ji...@intel.com
Cc: Jiang, Dave dave.ji...@intel.com
Cc: linux-...@vger.kernel.org
---
drivers/ata/ahci.h
Currently host activation done by calling either function
ahci_host_activate() or ata_host_activate(). Consolidate
the code by only calling ahci_host_activate() for all AHCI
devices.
Signed-off-by: Alexander Gordeev agord...@redhat.com
Cc: linux-...@vger.kernel.org
---
drivers/ata/acard-ahci.c
This update is a prerequisite for consolidation of
AHCI host activation code within ahci_host_activate()
function.
Signed-off-by: Alexander Gordeev agord...@redhat.com
Cc: linux-...@vger.kernel.org
---
drivers/ata/ahci.c| 60 --
drivers/ata
Signed-off-by: Alexander Gordeev
Cc: linux-...@vger.kernel.org
---
drivers/ata/libahci.c | 16
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 0080551..48175e5 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata
skip zero value port status;
Changes since v2:
- single patch split in a series;
- benchmarking statistics reworded;
- HOST_IRQ_STAT reg optimization added (patch 6);
Alexander Gordeev (4):
AHCI: Cleanup checking of multiple MSIs/SLM modes
AHCI: Move host activation code into ahci_ho
Sharing Last Message (SLM) mode is currently checked in two
functions: ahci_host_activate() and ahci_init_interrupts().
This update consolidates SLM mode check with activation of
multiple MSIs mode.
Signed-off-by: Alexander Gordeev
Cc: linux-...@vger.kernel.org
---
drivers/ata/ahci.c | 18
Currently host activation done by calling either function
ahci_host_activate() or ata_host_activate(). Consolidate
the code by only calling ahci_host_activate() for all AHCI
devices.
Signed-off-by: Alexander Gordeev
Cc: linux-...@vger.kernel.org
---
drivers/ata/acard-ahci.c | 3
ing access to the host data is no longer
needed and the interrupt service routine can avoid competing
on the host lock.
Signed-off-by: Alexander Gordeev
Suggested-by: "Jiang, Dave"
Cc: linux-...@vger.kernel.org
---
drivers/ata/ahci.h| 1 +
driver
On Thu, Sep 25, 2014 at 11:04:59AM +0800, Fengguang Wu wrote:
> Hi Alexander,
>
> FYI, we noticed the below changes on
>
> git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/msi
> commit 4ab2ee7c77875669230a797a3ed2228990f82545 ("PCI/MSI: Rename
> pci_msi_check_device() to
On Thu, Sep 25, 2014 at 11:04:59AM +0800, Fengguang Wu wrote:
Hi Alexander,
FYI, we noticed the below changes on
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/msi
commit 4ab2ee7c77875669230a797a3ed2228990f82545 (PCI/MSI: Rename
pci_msi_check_device() to
Currently host activation done by calling either function
ahci_host_activate() or ata_host_activate(). Consolidate
the code by only calling ahci_host_activate() for all AHCI
devices.
Signed-off-by: Alexander Gordeev agord...@redhat.com
Cc: linux-...@vger.kernel.org
---
drivers/ata/acard-ahci.c
to the host data is no longer
needed and the interrupt service routine can avoid competing
on the host lock.
Signed-off-by: Alexander Gordeev agord...@redhat.com
Suggested-by: Jiang, Dave dave.ji...@intel.com
Cc: linux-...@vger.kernel.org
---
drivers/ata/ahci.h| 1 +
drivers/ata/libahci.c | 59
status;
Changes since v2:
- single patch split in a series;
- benchmarking statistics reworded;
- HOST_IRQ_STAT reg optimization added (patch 6);
Alexander Gordeev (4):
AHCI: Cleanup checking of multiple MSIs/SLM modes
AHCI: Move host activation code into ahci_host_activate()
AHCI: Make
Sharing Last Message (SLM) mode is currently checked in two
functions: ahci_host_activate() and ahci_init_interrupts().
This update consolidates SLM mode check with activation of
multiple MSIs mode.
Signed-off-by: Alexander Gordeev agord...@redhat.com
Cc: linux-...@vger.kernel.org
---
drivers
Signed-off-by: Alexander Gordeev agord...@redhat.com
Cc: linux-...@vger.kernel.org
---
drivers/ata/libahci.c | 16
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 0080551..48175e5 100644
--- a/drivers/ata/libahci.c
Makes sense?
> --
> tejun
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Please
On Wed, Sep 24, 2014 at 09:04:44AM -0400, Tejun Heo wrote:
> Hello, Alexander.
>
> On Wed, Sep 24, 2014 at 11:42:15AM +0100, Alexander Gordeev wrote:
> > On Tue, Sep 23, 2014 at 04:57:10PM -0400, Tejun Heo wrote:
> > > Hmmm... how does it affect single device oper
correct to
apply the same metric to the threaded context. Obviously, the threaded
handler is expected slowed down by other interrupts handlers, but the
whole system should benefit from it, which is exactly the aim of this
change.
> --
> tejun
--
Regards,
Alexander Gordeev
agord...@redhat
the same metric to the threaded context. Obviously, the threaded
handler is expected slowed down by other interrupts handlers, but the
whole system should benefit from it, which is exactly the aim of this
change.
--
tejun
--
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Alexander Gordeev
agord...@redhat.com
--
To unsubscribe from
On Wed, Sep 24, 2014 at 09:04:44AM -0400, Tejun Heo wrote:
Hello, Alexander.
On Wed, Sep 24, 2014 at 11:42:15AM +0100, Alexander Gordeev wrote:
On Tue, Sep 23, 2014 at 04:57:10PM -0400, Tejun Heo wrote:
Hmmm... how does it affect single device operation tho? It does make
individual
sense?
--
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--
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Alexander Gordeev
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Please read the FAQ at http
Currently host activation done by calling either function
ahci_host_activate() or ata_host_activate(). Consolidate
the code by only calling ahci_host_activate() for all AHCI
devices.
Signed-off-by: Alexander Gordeev
Cc: linux-...@vger.kernel.org
---
drivers/ata/acard-ahci.c | 3
Function's ahci_handle_port_interrupt() 'port_mmio'
parameter could be derived within function. No need
to pass it from outside.
Signed-off-by: Alexander Gordeev
Cc: linux-...@vger.kernel.org
---
drivers/ata/libahci.c | 9 -
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git
decreased two times.
Both before and after the change the transfer time is the same,
while 'perf record -e cycles:k ...' shows 1%-4% CPU time spent
in ahci_single_irq_intr() routine before the update and not even
sampled/shown ahci_single_irq_intr() after the update.
Signed-off-by: Alexander Gordeev
Cc
ing access to the host data is no longer
needed and the interrupt service routine can avoid competing
on the host lock.
Signed-off-by: Alexander Gordeev
Suggested-by: "Jiang, Dave"
Cc: linux-...@vger.kernel.org
---
drivers/ata/ahci.h| 2 ++
driver
As per Tejun's feedback I am sending v3.
Changes since v2:
- single patch split in a series;
- benchmarking statistics reworded;
- HOST_IRQ_STAT reg optimization added (patch 6);
Cc: linux-...@vger.kernel.org
Alexander Gordeev (6):
AHCI: Cleanup checking of multiple MSIs/SLM modes
Signed-off-by: Alexander Gordeev
Cc: linux-...@vger.kernel.org
---
drivers/ata/ahci.c| 7 +++
drivers/ata/ahci.h| 6 +++---
drivers/ata/libahci.c | 16
3 files changed, 14 insertions(+), 15 deletions(-)
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index
Sharing Last Message (SLM) mode is currently checked in two
functions: ahci_host_activate() and ahci_init_interrupts().
This update consolidates SLM mode check with activation of
multiple MSIs mode.
Signed-off-by: Alexander Gordeev
Cc: linux-...@vger.kernel.org
---
drivers/ata/ahci.c | 18
As per Tejun's feedback I am sending v3.
Changes since v2:
- single patch split in a series;
- benchmarking statistics reworded;
- HOST_IRQ_STAT reg optimization added (patch 6);
Cc: linux-...@vger.kernel.org
Alexander Gordeev (6):
AHCI: Cleanup checking of multiple MSIs/SLM modes
Signed-off-by: Alexander Gordeev agord...@redhat.com
Cc: linux-...@vger.kernel.org
---
drivers/ata/ahci.c| 7 +++
drivers/ata/ahci.h| 6 +++---
drivers/ata/libahci.c | 16
3 files changed, 14 insertions(+), 15 deletions(-)
diff --git a/drivers/ata/ahci.c b/drivers
Sharing Last Message (SLM) mode is currently checked in two
functions: ahci_host_activate() and ahci_init_interrupts().
This update consolidates SLM mode check with activation of
multiple MSIs mode.
Signed-off-by: Alexander Gordeev agord...@redhat.com
Cc: linux-...@vger.kernel.org
---
drivers
to the host data is no longer
needed and the interrupt service routine can avoid competing
on the host lock.
Signed-off-by: Alexander Gordeev agord...@redhat.com
Suggested-by: Jiang, Dave dave.ji...@intel.com
Cc: linux-...@vger.kernel.org
---
drivers/ata/ahci.h| 2 ++
drivers/ata/libahci.c
Function's ahci_handle_port_interrupt() 'port_mmio'
parameter could be derived within function. No need
to pass it from outside.
Signed-off-by: Alexander Gordeev agord...@redhat.com
Cc: linux-...@vger.kernel.org
---
drivers/ata/libahci.c | 9 -
1 file changed, 4 insertions(+), 5
decreased two times.
Both before and after the change the transfer time is the same,
while 'perf record -e cycles:k ...' shows 1%-4% CPU time spent
in ahci_single_irq_intr() routine before the update and not even
sampled/shown ahci_single_irq_intr() after the update.
Signed-off-by: Alexander Gordeev agord
Currently host activation done by calling either function
ahci_host_activate() or ata_host_activate(). Consolidate
the code by only calling ahci_host_activate() for all AHCI
devices.
Signed-off-by: Alexander Gordeev agord...@redhat.com
Cc: linux-...@vger.kernel.org
---
drivers/ata/acard-ahci.c
On Fri, Sep 19, 2014 at 09:34:34AM -0700, Dan Williams wrote:
> On Fri, Sep 19, 2014 at 1:25 AM, Alexander Gordeev
> wrote:
> > As described in AHCI v1.0 specification chapter 10.6.2.2
> > "Multiple MSI Based Messages" generation of interrupts
> > is not co
On Fri, Sep 19, 2014 at 09:25:52AM +0100, Alexander Gordeev wrote:
> As described in AHCI v1.0 specification chapter 10.6.2.2
> "Multiple MSI Based Messages" generation of interrupts
> is not controlled through the HOST_IRQ_STAT register.
>
> Considering MMIO a
ing access to the host data is no longer
needed and the interrupt service routine can avoid competing
on the host lock.
Signed-off-by: Alexander Gordeev
Suggested-by: "Jiang, Dave"
Cc: linux-...@vger.kernel.org
---
drivers/ata/ahci.h| 1 +
driver
to the host data is no longer
needed and the interrupt service routine can avoid competing
on the host lock.
Signed-off-by: Alexander Gordeev agord...@redhat.com
Suggested-by: Jiang, Dave dave.ji...@intel.com
Cc: linux-...@vger.kernel.org
---
drivers/ata/ahci.h| 1 +
drivers/ata/libahci.c | 54
On Fri, Sep 19, 2014 at 09:25:52AM +0100, Alexander Gordeev wrote:
As described in AHCI v1.0 specification chapter 10.6.2.2
Multiple MSI Based Messages generation of interrupts
is not controlled through the HOST_IRQ_STAT register.
Considering MMIO access is expensive remove unnecessary
On Fri, Sep 19, 2014 at 09:34:34AM -0700, Dan Williams wrote:
On Fri, Sep 19, 2014 at 1:25 AM, Alexander Gordeev agord...@redhat.com
wrote:
As described in AHCI v1.0 specification chapter 10.6.2.2
Multiple MSI Based Messages generation of interrupts
is not controlled through
On Wed, Sep 17, 2014 at 05:41:44PM +0200, Alexander Gordeev wrote:
> Hello,
>
> As per Tejun's feedback I am sending v2.
This should have been v3, not v2.
Please, disregard this series if you see it.
Thanks!
> Changes since v1:
> - single patch split in a series of 5;
On Wed, Sep 17, 2014 at 05:41:44PM +0200, Alexander Gordeev wrote:
Hello,
As per Tejun's feedback I am sending v2.
This should have been v3, not v2.
Please, disregard this series if you see it.
Thanks!
Changes since v1:
- single patch split in a series of 5;
- changelog for patch 5
On Wed, Sep 17, 2014 at 11:55:54AM -0400, Jason Cooper wrote:
> Now that ThomasP has had a chance to test, please adjust the subject
> line to 'irqchip: armada-370-xp: M...' and
Hi Bjorn,
Do you want me to resend the patch?
> Acked-by: Jason Cooper
>
> thx,
>
> Jason.
-
.
--
Regards,
Alexander Gordeev
agord...@redhat.com
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On Mon, Sep 08, 2014 at 07:16:56AM -0400, Jason Cooper wrote:
> + free-electron's guys.
Hi Gentlemen,
Any feedback on this patch?
Thanks!
> On Sun, Sep 07, 2014 at 08:57:54PM +0200, Alexander Gordeev wrote:
> > Moving MSI checks from arch_msi_check_device() function to
> > a
On Mon, Sep 15, 2014 at 12:42:50PM +1000, Michael Ellerman wrote:
> On Sun, 2014-09-07 at 20:57 +0200, Alexander Gordeev wrote:
> > Moving MSI checks from arch_msi_check_device() function to
> > arch_setup_msi_irqs() function makes code more compact and
> > allows remo
On Mon, Sep 15, 2014 at 12:42:50PM +1000, Michael Ellerman wrote:
On Sun, 2014-09-07 at 20:57 +0200, Alexander Gordeev wrote:
Moving MSI checks from arch_msi_check_device() function to
arch_setup_msi_irqs() function makes code more compact and
allows removing unnecessary hook
On Mon, Sep 08, 2014 at 07:16:56AM -0400, Jason Cooper wrote:
+ free-electron's guys.
Hi Gentlemen,
Any feedback on this patch?
Thanks!
On Sun, Sep 07, 2014 at 08:57:54PM +0200, Alexander Gordeev wrote:
Moving MSI checks from arch_msi_check_device() function to
arch_setup_msi_irqs
Split interrupt service routine into hardware context handler and
threaded context handler. That allows to protect ports with individual
locks rather than with a single host-wide lock, which results in better
parallelism.
Cc: linux-...@vger.kernel.org
Signed-off-by: Alexander Gordeev
= 1.54 (about 1.6 times).
The downside of this change is introduction of a kernel thread.
The upside is shorter access time to port locks and moving port
interrupts handling out of the hardware interrupt context.
Thanks!
> --
> tejun
--
Regards,
Alexander Gordeev
agord...@redhat.co
).
The downside of this change is introduction of a kernel thread.
The upside is shorter access time to port locks and moving port
interrupts handling out of the hardware interrupt context.
Thanks!
--
tejun
--
Regards,
Alexander Gordeev
agord...@redhat.com
--
To unsubscribe from this list
Split interrupt service routine into hardware context handler and
threaded context handler. That allows to protect ports with individual
locks rather than with a single host-wide lock, which results in better
parallelism.
Cc: linux-...@vger.kernel.org
Signed-off-by: Alexander Gordeev agord
ld not cause trouble for anyone.
> Oh, I forgot -- if you'd rather take the first one through the PPC
> tree, you can do that and I can merge the second one later. Let me
> know if you want to do that.
Nah, your treee is just fine.
Thanks!
> Bjorn
--
Regards,
Alexander Gor
() renamed to pci_msi_supported(). This is
the very same patch I sent earlier;
Thanks!
Cc: Thomas Gleixner
Cc: Jason Cooper
Cc: Michael Ellerman
Cc: linuxppc-...@lists.ozlabs.org
Cc: linux-...@vger.kernel.org
Alexander Gordeev (3):
patch 1 - PCI/MSI/PPC: Remove
-...@vger.kernel.org
Signed-off-by: Alexander Gordeev
---
drivers/pci/msi.c | 49 +
include/linux/msi.h | 3 ---
2 files changed, 13 insertions(+), 39 deletions(-)
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 5a40516..6c2cc41 100644
-by: Alexander Gordeev
---
arch/powerpc/include/asm/machdep.h | 2 --
arch/powerpc/kernel/msi.c | 12 +-
arch/powerpc/platforms/cell/axon_msi.c | 9
arch/powerpc/platforms/powernv/pci.c | 19 ---
arch/powerpc/platforms/pseries/msi.c | 42
Moving MSI checks from arch_msi_check_device() function to
arch_setup_msi_irqs() function makes code more compact and
allows removing unnecessary hook arch_msi_check_device()
from generic MSI code.
Cc: Thomas Gleixner
Cc: Jason Cooper
Cc: linux-...@vger.kernel.org
Signed-off-by: Alexander
...@ellerman.id.au
Signed-off-by: Alexander Gordeev agord...@redhat.com
---
arch/powerpc/include/asm/machdep.h | 2 --
arch/powerpc/kernel/msi.c | 12 +-
arch/powerpc/platforms/cell/axon_msi.c | 9
arch/powerpc/platforms/powernv/pci.c | 19 ---
arch/powerpc
-...@vger.kernel.org
Signed-off-by: Alexander Gordeev agord...@redhat.com
---
drivers/irqchip/irq-armada-370-xp.c | 14 --
1 file changed, 4 insertions(+), 10 deletions(-)
diff --git a/drivers/irqchip/irq-armada-370-xp.c
b/drivers/irqchip/irq-armada-370-xp.c
index 574aba0..df60eab 100644
-...@lists.ozlabs.org
Cc: linux-...@vger.kernel.org
Signed-off-by: Alexander Gordeev agord...@redhat.com
---
drivers/pci/msi.c | 49 +
include/linux/msi.h | 3 ---
2 files changed, 13 insertions(+), 39 deletions(-)
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
() renamed to pci_msi_supported(). This is
the very same patch I sent earlier;
Thanks!
Cc: Thomas Gleixner t...@linutronix.de
Cc: Jason Cooper ja...@lakedaemon.net
Cc: Michael Ellerman m...@ellerman.id.au
Cc: linuxppc-...@lists.ozlabs.org
Cc: linux-...@vger.kernel.org
Alexander Gordeev
trouble for anyone.
Oh, I forgot -- if you'd rather take the first one through the PPC
tree, you can do that and I can merge the second one later. Let me
know if you want to do that.
Nah, your treee is just fine.
Thanks!
Bjorn
--
Regards,
Alexander Gordeev
agord...@redhat.com
--
To unsubscribe
On Mon, Aug 18, 2014 at 08:01:51AM +0200, Alexander Gordeev wrote:
> As result of deprecation of MSI-X/MSI enablement functions
> pci_enable_msix() and pci_enable_msi_block() all drivers
> using these two interfaces need to be updated to use the
> new pci_enab
On Mon, Aug 18, 2014 at 08:01:51AM +0200, Alexander Gordeev wrote:
As result of deprecation of MSI-X/MSI enablement functions
pci_enable_msix() and pci_enable_msi_block() all drivers
using these two interfaces need to be updated to use the
new pci_enable_msi_range() or pci_enable_msi_exact
Signed-off-by: Alexander Gordeev
Cc: Jens Axboe
---
block/blk-mq-tag.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c
index 4953b64..d1eb579 100644
--- a/block/blk-mq-tag.c
+++ b/block/blk-mq-tag.c
@@ -60,8 +60,7 @@ static inline
Signed-off-by: Alexander Gordeev
Cc: Jens Axboe
---
block/blk-mq-tag.c | 4 +---
block/blk-mq-tag.h | 17 -
2 files changed, 9 insertions(+), 12 deletions(-)
diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c
index c1b9242..4953b64 100644
--- a/block/blk-mq-tag.c
+++ b/block
Fair share of tags is number of tags diveded on number
of users. Not sure why it is different.
Signed-off-by: Alexander Gordeev
Cc: Jens Axboe
---
block/blk-mq-tag.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c
index d1eb579
Hi Jens,
These are few changes to blk-mq/blk-mq-tag, nothing really serious.
Cc: Jens Axboe
Alexander Gordeev (3):
blk-mq: Cleanup blk_mq_tag_busy() and blk_mq_tag_idle()
blk-mq: Eliminate superfluous check of BLK_MQ_S_TAG_ACTIVE flag
blk-mq: Fix formula to calculate fair share of tags
Signed-off-by: Alexander Gordeev agord...@redhat.com
Cc: Jens Axboe ax...@kernel.dk
---
block/blk-mq-tag.c | 4 +---
block/blk-mq-tag.h | 17 -
2 files changed, 9 insertions(+), 12 deletions(-)
diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c
index c1b9242..4953b64 100644
Fair share of tags is number of tags diveded on number
of users. Not sure why it is different.
Signed-off-by: Alexander Gordeev agord...@redhat.com
Cc: Jens Axboe ax...@kernel.dk
---
block/blk-mq-tag.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/blk-mq-tag.c b/block
Signed-off-by: Alexander Gordeev agord...@redhat.com
Cc: Jens Axboe ax...@kernel.dk
---
block/blk-mq-tag.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c
index 4953b64..d1eb579 100644
--- a/block/blk-mq-tag.c
+++ b/block/blk-mq-tag.c
Hi Jens,
These are few changes to blk-mq/blk-mq-tag, nothing really serious.
Cc: Jens Axboe ax...@kernel.dk
Alexander Gordeev (3):
blk-mq: Cleanup blk_mq_tag_busy() and blk_mq_tag_idle()
blk-mq: Eliminate superfluous check of BLK_MQ_S_TAG_ACTIVE flag
blk-mq: Fix formula to calculate fair
On Tue, Aug 19, 2014 at 09:32:04AM +0200, Alexander Gordeev wrote:
> As result of deprecation of MSI-X/MSI enablement functions
> pci_enable_msix() and pci_enable_msi_block() all drivers
> using these two interfaces need to be updated to use the
> new pci_enab
On Tue, Aug 19, 2014 at 09:32:04AM +0200, Alexander Gordeev wrote:
As result of deprecation of MSI-X/MSI enablement functions
pci_enable_msix() and pci_enable_msi_block() all drivers
using these two interfaces need to be updated to use the
new pci_enable_msi_range() or pci_enable_msi_exact
On Fri, Mar 07, 2014 at 08:49:32AM +0100, Alexander Gordeev wrote:
> As result of deprecation of MSI-X/MSI enablement functions
> pci_enable_msix() and pci_enable_msi_block() all drivers
> using these two interfaces need to be updated to use the
> new pci_enab
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