Re: [PATCH 3/3] KVM: PPC: Book3S: Add support for hwrng found on some powernv systems

On Thu, Oct 03, 2013 at 08:07:22AM +1000, Benjamin Herrenschmidt wrote: > On Wed, 2013-10-02 at 13:02 +0300, Gleb Natapov wrote: > > > Yes, I alluded to it in my email to Paul and Paolo asked also. How this > > interface is disabled? Also hwrnd is MMIO in a host why guest needs to > > use hypercal

Re: [PATCH 6/9][v5] powerpc/perf: Define big-endian version of perf_mem_data_src

Michael Ellerman [mich...@ellerman.id.au] wrote: | On Tue, Oct 01, 2013 at 05:15:07PM -0700, Sukadev Bhattiprolu wrote: | > perf_mem_data_src is an union that is initialized via the ->val field | > and accessed via the bitmap fields. For this to work on big endian | > platforms, we also need a big-

Re: [PATCH 3/3] KVM: PPC: Book3S: Add support for hwrng found on some powernv systems

On Thu, Oct 03, 2013 at 08:21:20AM +1000, Benjamin Herrenschmidt wrote: > On Wed, 2013-10-02 at 17:37 +0300, Gleb Natapov wrote: > > On Wed, Oct 02, 2013 at 04:33:18PM +0200, Paolo Bonzini wrote: > > > Il 02/10/2013 16:08, Alexander Graf ha scritto: > > > > > The hwrng is accessible by host userspa

Re: [PATCH 3/3] KVM: PPC: Book3S: Add support for hwrng found on some powernv systems

On Thu, Oct 03, 2013 at 08:45:42AM +1000, Paul Mackerras wrote: > On Wed, Oct 02, 2013 at 04:36:05PM +0200, Alexander Graf wrote: > > > > On 02.10.2013, at 16:33, Paolo Bonzini wrote: > > > > > Il 02/10/2013 16:08, Alexander Graf ha scritto: > > >>> The hwrng is accessible by host userspace via /

Re: [PATCH 3/3] KVM: PPC: Book3S: Add support for hwrng found on some powernv systems

On Thu, Oct 03, 2013 at 08:02:20AM +1000, Benjamin Herrenschmidt wrote: > On Wed, 2013-10-02 at 13:02 +0300, Gleb Natapov wrote: > > > Yes, I alluded to it in my email to Paul and Paolo asked also. How this > > interface is disabled? Also hwrnd is MMIO in a host why guest needs to > > use hypercal

Re: [PATCH 6/9][v5] powerpc/perf: Define big-endian version of perf_mem_data_src

On Tue, Oct 01, 2013 at 05:15:07PM -0700, Sukadev Bhattiprolu wrote: > perf_mem_data_src is an union that is initialized via the ->val field > and accessed via the bitmap fields. For this to work on big endian > platforms, we also need a big-endian represenation of perf_mem_data_src. > > diff --gi

Re: [PATCH 5/9][v5] powerpc: implement is_instr_load_store().

On Tue, Oct 01, 2013 at 05:15:06PM -0700, Sukadev Bhattiprolu wrote: > Implement is_instr_load_store() to detect whether a given instruction > is one of the fixed-point or floating-point load/store instructions. > This function will be used in a follow-on patch to save memory hierarchy > informatio

[PATCH] ASoC: fsl_ssi: Fix irq_of_parse_and_map() return value check

irq_of_parse_and_map() returns 0 on error, not NO_IRQ. Fix the following xtensa:allmodconfig build error. sound/soc/fsl/fsl_ssi.c:705:26: error: 'NO_IRQ' undeclared (first use in this function) make[4]: *** [sound/soc/fsl/fsl_ssi.o] Error 1 Cc: Geert Uytterhoeven Cc: Grant Likely Signed-off-b

Re: [PATCH] kvm: powerpc: book3s: Fix build break for BOOK3S_32

On Wed, Oct 02, 2013 at 08:08:44PM +0530, Aneesh Kumar K.V wrote: > From: "Aneesh Kumar K.V" > > This was introduced by 85a0d845d8bb5df5d2669416212f56cbe1474c6b It's a good idea to give the headline of the commit as well as the ID. I also like to trim the ID to 10 characters or so. So it should

Re: [PATCH 2/9][v5] powerpc/perf: Export Power8 generic events in sysfs

On Tue, Oct 01, 2013 at 05:15:03PM -0700, Sukadev Bhattiprolu wrote: > Export generic perf events for Power8 in sysfs. > > Signed-off-by: Sukadev Bhattiprolu > Reviewed-by: Anshuman Khandual > --- > arch/powerpc/perf/power8-pmu.c | 23 +++ > 1 file changed, 23 insertions(+

Re: [PATCH 1/9][v5] powerpc/perf: Rename Power8 macros to start with PME

On Tue, Oct 01, 2013 at 05:15:02PM -0700, Sukadev Bhattiprolu wrote: > We use helpers like GENERIC_EVENT_ATTR() to list the generic events in > sysfs. To avoid name collisions, GENERIC_EVENT_ATTR() requires the perf > event macros to start with PME. It's a bit unfortunate, because they no longer m

[PATCH 1/2][v8] powerpc/mpc85xx:Add initial device tree support of T104x

The QorIQ T1040/T1042 processor support four integrated 64-bit e5500 PA processor cores with high-performance data path acceleration architecture and network peripheral interfaces required for networking & telecommunications. T1042 personality is a reduced personality of T1040 without Integrated 8

[PATCH 2/2][v8] powerpc/fsl-booke: Add initial T104x_QDS board support

Add support for T104x board in board file t104x_qds.c, It is common for both T1040 and T1042 as they share same QDS board. T1040QDS board Overview --- - SERDES Connections, 8 lanes supporting: — PCI Express: supporting Gen 1 and Gen 2; — SGMII — QSGMII

Re: [PATCH 3/3] KVM: PPC: Book3S: Add support for hwrng found on some powernv systems

On Wed, Oct 02, 2013 at 04:36:05PM +0200, Alexander Graf wrote: > > On 02.10.2013, at 16:33, Paolo Bonzini wrote: > > > Il 02/10/2013 16:08, Alexander Graf ha scritto: > >>> The hwrng is accessible by host userspace via /dev/mem. > >> > >> A guest should live on the same permission level as a us

Re: [PATCH 3/3] KVM: PPC: Book3S: Add support for hwrng found on some powernv systems

On Wed, 2013-10-02 at 17:37 +0300, Gleb Natapov wrote: > On Wed, Oct 02, 2013 at 04:33:18PM +0200, Paolo Bonzini wrote: > > Il 02/10/2013 16:08, Alexander Graf ha scritto: > > > > The hwrng is accessible by host userspace via /dev/mem. > > > > > > A guest should live on the same permission level a

Re: [PATCH 3/3] KVM: PPC: Book3S: Add support for hwrng found on some powernv systems

On Wed, 2013-10-02 at 17:10 +0300, Gleb Natapov wrote: > > The hwrng is accessible by host userspace via /dev/mem. > > > Regular user has no access to /dev/mem, but he can start kvm guest and > gain access to the device. Seriously. You guys are really trying hard to make our life hell or what ? T

Re: [PATCH 3/3] KVM: PPC: Book3S: Add support for hwrng found on some powernv systems

On Wed, 2013-10-02 at 16:08 +0200, Alexander Graf wrote: > A guest should live on the same permission level as a user space > application. If you run QEMU as UID 1000 without access to /dev/mem, > why should the guest suddenly be able to directly access a memory > location (MMIO) it couldn't access

Re: [PATCH 3/3] KVM: PPC: Book3S: Add support for hwrng found on some powernv systems

On Wed, 2013-10-02 at 13:02 +0300, Gleb Natapov wrote: > Yes, I alluded to it in my email to Paul and Paolo asked also. How this > interface is disabled? Also hwrnd is MMIO in a host why guest needs to > use hypercall instead of emulating the device (in kernel or somewhere > else?). Another things

Re: [PATCH 3/3] KVM: PPC: Book3S: Add support for hwrng found on some powernv systems

On Wed, 2013-10-02 at 13:02 +0300, Gleb Natapov wrote: > Yes, I alluded to it in my email to Paul and Paolo asked also. How this > interface is disabled? Also hwrnd is MMIO in a host why guest needs to > use hypercall instead of emulating the device (in kernel or somewhere > else?). Migration wil

Re: [PATCH 3/3] KVM: PPC: Book3S: Add support for hwrng found on some powernv systems

On Wed, 2013-10-02 at 11:11 +0200, Alexander Graf wrote: > Right, and the difference for the patch in question is really whether > we handle in in kernel virtual mode or in QEMU, so the bulk of the > overhead (kicking threads out of guest context, switching MMU > context, etc) happens either way.

Re: [PATCH net-next] net:drivers/net: Miscellaneous conversions to ETH_ALEN

From: Joe Perches Date: Tue, 01 Oct 2013 19:04:40 -0700 > Convert the memset/memcpy uses of 6 to ETH_ALEN > where appropriate. > > Also convert some struct definitions and u8 array > declarations of [6] to ETH_ALEN. > > Signed-off-by: Joe Perches Looks fine, applied, thanks Joe. _

Re: [PATCH RFC 36/77] ipr: Enable MSI-X when IPR_USE_MSIX type is set, not IPR_USE_MSI

On 10/02/2013 05:48 AM, Alexander Gordeev wrote: > Signed-off-by: Alexander Gordeev > --- > drivers/scsi/ipr.c |2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c > index fb57e21..762a93e 100644 > --- a/drivers/scsi/ipr.c > +++ b

[PATCH RFC 01/77] PCI/MSI: Fix return value when populate_msi_sysfs() failed

Signed-off-by: Alexander Gordeev --- drivers/pci/msi.c | 11 +-- 1 files changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index d5f90d6..b43f391 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -719,7 +719,7 @@ static int msix_capabil

Re: [PATCH RFC 04/77] PCI/MSI/s390: Remove superfluous check of MSI type

On Wed, Oct 02, 2013 at 12:48:20PM +0200, Alexander Gordeev wrote: > arch_setup_msi_irqs() hook can only be called from the generic > MSI code which ensures correct MSI type parameter. > > Signed-off-by: Alexander Gordeev > --- > arch/s390/pci/pci.c |2 -- > 1 files changed, 0 insertions(+),

[PATCH RFC 34/77] ioat: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/dma/ioat/dma.c | 10 +++--- 1 files changed, 7 inserti

[PATCH RFC 58/77] qib: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/infiniband/hw/qib/qib_pcie.c |4 1 files changed, 0

[PATCH RFC 11/77] benet: Return -ENOSPC when not enough MSI-Xs available

Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/emulex/benet/be_main.c |2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 100b528..3e2c834 100644 --- a/drivers/net/eth

[PATCH RFC 07/77] PCI/MSI: Re-design MSI/MSI-X interrupts enablement pattern

Currently pci_enable_msi_block() and pci_enable_msix() interfaces return a error code in case of failure, 0 in case of success and a positive value which indicates the number of MSI-X/MSI interrupts that could have been allocated. The latter value should be passed to a repeated call to the interfac

[PATCH RFC 44/77] lpfc: Make MSI-X initialization routine more readable

Signed-off-by: Alexander Gordeev --- drivers/scsi/lpfc/lpfc_init.c | 23 +++ 1 files changed, 11 insertions(+), 12 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 0ec8008..0cfaf20 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b

[PATCH RFC 74/77] vmxnet3: Limit number of rx queues to 1 if per-queue MSI-Xs failed

Signed-off-by: Alexander Gordeev --- drivers/net/vmxnet3/vmxnet3_drv.c | 16 1 files changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 3df7f32..00dc0d0 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv

[PATCH RFC 41/77] lpfc: Do not call pci_disable_msix() if pci_enable_msix() failed

Signed-off-by: Alexander Gordeev --- drivers/scsi/lpfc/lpfc_init.c |9 ++--- 1 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 647f5bf..0803b84 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lp

[PATCH RFC 60/77] qlcnic: Return -ENOSPC when not enough MSI-X vectors available

Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c |3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index c4c5023..c6018bb 100644 --- a

[PATCH RFC 73/77] vmxnet3: Return -ENOSPC when not enough MSI-X vectors available

Signed-off-by: Alexander Gordeev --- drivers/net/vmxnet3/vmxnet3_drv.c |8 1 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 3518173..3df7f32 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b

[PATCH RFC 18/77] cciss: Fallback to single MSI mode in case MSI-X failed

Signed-off-by: Alexander Gordeev --- drivers/block/cciss.c |4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index bf11540..0eea035 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -4081,7 +4081,7 @@ static v

[PATCH RFC 48/77] mlx5: Return -ENOSPC when not enough MSI-X vectors available

Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/mellanox/mlx5/core/main.c |4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 3573ba4..5e5c9a3 100644 --- a/driv

[PATCH RFC 76/77] vxge: Sanitize MSI-X allocation routine error codes

Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/neterion/vxge/vxge-main.c |6 ++ 1 files changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c index 5a20eaf..b81ff8b 100644 --- a/dr

[PATCH RFC 32/77] hpsa: Fallback to single MSI mode in case MSI-X failed

Signed-off-by: Alexander Gordeev --- drivers/scsi/hpsa.c |5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index eb17b3d..252b65d 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -4112,7 +4112,7 @@ static void hpsa_

[PATCH RFC 35/77] ipr: Do not call pci_disable_msi/msix() if pci_enable_msi/msix() failed

Signed-off-by: Alexander Gordeev --- drivers/scsi/ipr.c |8 ++-- 1 files changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 36ac1c3..fb57e21 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -9255,10 +9255,8 @@ static int ipr_ena

[PATCH RFC 53/77] ntb: Fix missed call to pci_enable_msix()

Current MSI-X enablement code assumes MSI-Xs were successfully allocated in case less than requested vectors were available. That assumption is wrong, since MSI-Xs should be enabled with a repeated call to pci_enable_msix(). This update fixes this. Signed-off-by: Alexander Gordeev --- drivers/nt

[PATCH RFC 43/77] lpfc: Return -ENOSPC when not enough MSI-X vectors available

Signed-off-by: Alexander Gordeev --- drivers/scsi/lpfc/lpfc_init.c | 10 +++--- 1 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index d83a1a3..0ec8008 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/l

[PATCH RFC 49/77] mlx5: Fix minimum number of MSI-Xs

The minimum number of MSI-Xs is (MLX5_EQ_VEC_COMP_BASE + 1) in one check and 2 in another check. Make the checks consistent and assume the minimum number is (MLX5_EQ_VEC_COMP_BASE + 1). Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/mellanox/mlx5/core/main.c |2 +- 1 files changed

[PATCH RFC 03/77] PCI/MSI/s390: Fix single MSI only check

Multiple MSIs have never been supported on s390 architecture, but the platform code fails to report single MSI only. Signed-off-by: Alexander Gordeev --- arch/s390/pci/pci.c |2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index

[PATCH RFC 27/77] cxgb4vf: Do not call pci_disable_msix() if pci_enable_msix() failed

Signed-off-by: Alexander Gordeev --- .../net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c|1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c index 40c22e7..87a82fc 100644

[PATCH RFC 22/77] cxgb3: Do not call pci_disable_msix() if pci_enable_msix() failed

Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c |3 --- 1 files changed, 0 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c index b650951..9bd3099 100644 --- a/dr

[PATCH RFC 25/77] cxgb4: Return -ENOSPC when not enough MSI-X vectors available

Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c |4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index c73cabd..9425bc6 100644 --- a/d

[PATCH RFC 62/77] qlcnic: Remove redundant return operator

Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c |1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index ff6a78b..b94e679 100644 --- a/d

[PATCH RFC 04/77] PCI/MSI/s390: Remove superfluous check of MSI type

arch_setup_msi_irqs() hook can only be called from the generic MSI code which ensures correct MSI type parameter. Signed-off-by: Alexander Gordeev --- arch/s390/pci/pci.c |2 -- 1 files changed, 0 insertions(+), 2 deletions(-) diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index c79

[PATCH RFC 65/77] qlge: Remove a redundant assignment

Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/qlogic/qlge/qlge_main.c |1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index 2553cf4..ac54cb0 100644 --- a/drivers/net/e

[PATCH RFC 61/77] qlogic: Return -EINVAL in case MSI-X is not supported

Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c |2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index c6018bb..ff6a78b 100644 --- a/

[PATCH RFC 39/77] ixgbevf: Return -ENOSPC when not enough MSI-X vectors available

Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c |2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 59a62bb..fa0537a 100644 ---

[PATCH RFC 28/77] cxgb4vf: Return -ENOSPC when not enough MSI-X vectors available

Signed-off-by: Alexander Gordeev --- .../net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c|1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c index 87a82fc..11cbce1 100644

[PATCH RFC 17/77] cciss: Update a misleading comment on interrupt usage

Signed-off-by: Alexander Gordeev --- drivers/block/cciss.c |5 - 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 80068a0..bf11540 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -4103,7 +4103,10 @@ static

[PATCH RFC 71/77] vmxnet3: Return -EINVAL if number of requested MSI-Xs is not enough

Signed-off-by: Alexander Gordeev --- drivers/net/vmxnet3/vmxnet3_drv.c |2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 7e2788c..5b8ea71 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drive

[PATCH RFC 36/77] ipr: Enable MSI-X when IPR_USE_MSIX type is set, not IPR_USE_MSI

Signed-off-by: Alexander Gordeev --- drivers/scsi/ipr.c |2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index fb57e21..762a93e 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -9527,7 +9527,7 @@ static int ipr_probe_ioa(

[PATCH RFC 02/77] PCI/MSI/PPC: Fix wrong RTAS error code reporting

Signed-off-by: Alexander Gordeev --- arch/powerpc/platforms/pseries/msi.c |2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c index 6d2f0ab..009ec73 100644 --- a/arch/powerpc/platforms/pseries/msi.c

[PATCH RFC 23/77] cxgb3: Return -ENOSPC when not enough MSI-X vectors available

Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c |2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c index 9bd3099..915729c 100644 --- a/dri

[PATCH RFC 19/77] csiostor: Do not call pci_disable_msix() if pci_enable_msix() failed

Signed-off-by: Alexander Gordeev --- drivers/scsi/csiostor/csio_isr.c |4 +--- 1 files changed, 1 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/csiostor/csio_isr.c b/drivers/scsi/csiostor/csio_isr.c index 7ee9777..91ba91d 100644 --- a/drivers/scsi/csiostor/csio_isr.c +++ b/drivers/

[PATCH RFC 54/77] ntb: Ensure number of MSIs on SNB is enough for the link interrupt

Signed-off-by: Alexander Gordeev --- drivers/ntb/ntb_hw.c |2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/ntb/ntb_hw.c b/drivers/ntb/ntb_hw.c index de2062c..eccd5e5 100644 --- a/drivers/ntb/ntb_hw.c +++ b/drivers/ntb/ntb_hw.c @@ -1066,7 +1066,7 @@ static int ntb_

[PATCH RFC 30/77] hpsa: Update a misleading comment on interrupt usage

Signed-off-by: Alexander Gordeev --- drivers/scsi/hpsa.c |6 +- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 891c86b..393c8db 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -4141,7 +4141,11 @@ static void hps

[PATCH RFC 72/77] vmxnet3: Fixup a weird loop exit

Signed-off-by: Alexander Gordeev --- drivers/net/vmxnet3/vmxnet3_drv.c |2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 5b8ea71..3518173 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drive

[PATCH RFC 47/77] mlx5: Fix memory leak in case not enough MSI-X vectors available

Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/mellanox/mlx5/core/main.c |1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index b47739b..3573ba4 100644 --- a/drivers

[PATCH RFC 20/77] csiostor: Return -ENOSPC when not enough MSI-X vectors available

Signed-off-by: Alexander Gordeev --- drivers/scsi/csiostor/csio_isr.c |2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/scsi/csiostor/csio_isr.c b/drivers/scsi/csiostor/csio_isr.c index 91ba91d..abf20ab 100644 --- a/drivers/scsi/csiostor/csio_isr.c +++ b/drivers/sc

[PATCH RFC 33/77] ioat: Disable MSI-X in case request of IRQ failed

Signed-off-by: Alexander Gordeev --- drivers/dma/ioat/dma.c |1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c index 5ff6fc1..acee3b2 100644 --- a/drivers/dma/ioat/dma.c +++ b/drivers/dma/ioat/dma.c @@ -937,6 +937,7 @@ msix:

[PATCH RFC 00/77] Re-design MSI/MSI-X interrupts enablement pattern

This series is against "next" branch in Bjorn's repo: git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git Currently pci_enable_msi_block() and pci_enable_msix() interfaces return a error code in case of failure, 0 in case of success and a positive value which indicates the number of MSI-

[PATCH RFC 08/77] PCI/MSI: Get rid of pci_enable_msi_block_auto() interface

As result of recent re-design of MSI/MSI-X interrupts enabling pattern pci_enable_msi_block_auto() interface became obsolete. To enable maximum number of MSI interrupts for a device the driver will first obtain that number from pci_get_msi_cap() function and then call pci_enable_msi_block() interf

[PATCH RFC 64/77] qlcnic: Make MSI-X initialization routine bit more readable

Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c | 112 +++--- 1 files changed, 56 insertions(+), 56 deletions(-) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index a137c14.

[PATCH RFC 06/77] PCI/MSI: Factor out pci_get_msi_cap() interface

This update is needed to facilitate a forthcoming re-design MSI/MSI-X interrupts enabling pattern. Device drivers will use this interface to obtain maximum number of MSI interrupts the device supports and use that value in the following call to pci_enable_msi_block() interface. Signed-off-by: Ale

[PATCH RFC 14/77] bnx2x: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 54 ++---

[PATCH RFC 75/77] vmxnet3: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/net/vmxnet3/vmxnet3_drv.c | 68 ++-

[PATCH RFC 38/77] ixgbe: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c | 62 +---

[PATCH RFC 05/77] PCI/MSI: Convert pci_msix_table_size() to a public interface

Make pci_msix_table_size() to return a error code if the device does not support MSI-X. This update is needed to facilitate a forthcoming re-design MSI/MSI-X interrupts enabling pattern. Device drivers will use this interface to obtain maximum number of MSI-X interrupts the device supports and use

[PATCH RFC 26/77] cxgb4: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 62 +

[PATCH RFC 29/77] cxgb4vf: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- .../net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c| 49 ++

[PATCH RFC 63/77] qlcnic: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c | 56

[PATCH RFC 55/77] ntb: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/ntb/ntb_hw.c | 41 +---

[PATCH RFC 09/77] ahci: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/ata/ahci.c | 56 --

[PATCH RFC 66/77] qlge: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/qlogic/qlge/qlge_main.c | 39 +++-

[PATCH RFC 37/77] ipr: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/scsi/ipr.c | 46 +++---

[PATCH RFC 12/77] benet: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/emulex/benet/be_main.c | 38 ++---

[PATCH RFC 69/77] tg3: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/broadcom/tg3.c | 24 +---

[PATCH RFC 13/77] bna: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/brocade/bna/bnad.c | 34 -

[PATCH RFC 31/77] hpsa: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/scsi/hpsa.c | 28 +--- 1 files cha

[PATCH RFC 77/77] vxge: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/neterion/vxge/vxge-main.c | 36 ++

[PATCH RFC 56/77] nvme: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/block/nvme-core.c | 48 +++

[PATCH RFC 68/77] sfc: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/sfc/efx.c | 18 +++--- 1 files ch

[PATCH RFC 67/77] rapidio: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/rapidio/devices/tsi721.c | 27 +--

[PATCH RFC 40/77] ixgbevf: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 18 +++

[PATCH RFC 10/77] ahci: Check MRSM bit when multiple MSIs enabled

Do not trust the hardware and always check if MSI Revert to Single Message mode was enforced. Fall back to the single MSI mode in case it did. Not doing so might screw up the interrupt handling. Signed-off-by: Alexander Gordeev --- drivers/ata/ahci.c | 17 + drivers/ata/ahci.h

[PATCH RFC 50/77] mlx5: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/mellanox/mlx5/core/main.c | 18 +-

[PATCH RFC 42/77] lpfc: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Note, in case just one MSI-X vector was available the error message "0484 PCI enable MSI-X failed 1" is pre

[PATCH RFC 24/77] cxgb3: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c | 29 -

[PATCH RFC 21/77] csiostor: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/scsi/csiostor/csio_isr.c | 18 -- 1 files

[PATCH RFC 57/77] pmcraid: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/scsi/pmcraid.c | 23 +++ 1 files chang

[PATCH RFC 16/77] cciss: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/block/cciss.c | 17 +++-- 1 files changed, 7 i

[PATCH RFC 46/77] mlx4: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/mellanox/mlx4/main.c | 17 -

[PATCH RFC 15/77] bnx2: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/broadcom/bnx2.c | 27 ++--

[PATCH RFC 45/77] megaraid: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/scsi/megaraid/megaraid_sas_base.c | 20 +--

[PATCH RFC 59/77] qla2xxx: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/scsi/qla2xxx/qla_isr.c | 18 +++--- 1 files ch

[PATCH RFC 70/77] vmci: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/misc/vmw_vmci/vmci_guest.c | 22 +++--- 1

[PATCH RFC 51/77] mthca: Update MSI/MSI-X interrupts enablement code

As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/infiniband/hw/mthca/mthca_main.c | 16 +++- 1

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