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It seems the problems running mthca in a Xen domU have uncovered a bug in mthca: mthca uses dma_sync_single in mthca_arbel_write_mtt_seg() and mthca_arbel_map_phys_fmr() to sync the MTTs that get written. However, Documentation/DMA-API.txt says: void dma_sync_single(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction direction) synchronise a single

Greetings, Following patches are intended to support SR-IOV capability in the Linux kernel. With these patches, people can turn a PCI device with the capability into multiple ones from software perspective, which will benefit KVM and achieve other purposes such as QoS, security, and etc. Changes from v5 to v6: 1, update ABI document to include SR-IOV sysfs entries (Greg KH) 2, fix two coding

Greetings, Following patches are intended to support SR-IOV capability in the Linux kernel. With these patches, people can turn a PCI device with the capability into multiple ones from software perspective, which will benefit KVM and achieve other purposes such as QoS, security, and etc. Changes from v5 to v6: 1, update ABI document to include SR-IOV sysfs entries (Greg KH) 2, fix two coding

Greetings, Following patches are intended to support SR-IOV capability in the Linux kernel. With these patches, people can turn a PCI device with the capability into multiple ones from software perspective, which will benefit KVM and achieve other purposes such as QoS, security, and etc. Changes from v5 to v6: 1, update ABI document to include SR-IOV sysfs entries (Greg KH) 2, fix two coding

...outing-ID Interpretation (ARI) support. Cc: Jesse Barnes <jbarnes at virtuousgeek.org> Cc: Randy Dunlap <randy.dunlap at oracle.com> Cc: Grant Grundler <grundler at parisc-linux.org> Cc: Alex Chiang <achiang at hp.com> Cc: Matthew Wilcox <matthew at wil.cx> Cc: Roland Dreier <rdreier at cisco.com> Cc: Greg KH <greg at kroah.com> Signed-off-by: Yu Zhao <yu.zhao at intel.com> --- drivers/pci/pci.c | 31 +++++++++++++++++++++++++++++++ drivers/pci/pci.h | 12 ++++++++++++ drivers/pci/probe.c | 3 +++ include/linux/pci.h |...

...outing-ID Interpretation (ARI) support. Cc: Jesse Barnes <jbarnes at virtuousgeek.org> Cc: Randy Dunlap <randy.dunlap at oracle.com> Cc: Grant Grundler <grundler at parisc-linux.org> Cc: Alex Chiang <achiang at hp.com> Cc: Matthew Wilcox <matthew at wil.cx> Cc: Roland Dreier <rdreier at cisco.com> Cc: Greg KH <greg at kroah.com> Signed-off-by: Yu Zhao <yu.zhao at intel.com> --- drivers/pci/pci.c | 31 +++++++++++++++++++++++++++++++ drivers/pci/pci.h | 12 ++++++++++++ drivers/pci/probe.c | 3 +++ include/linux/pci.h |...

Greetings, Following patches are intended to support SR-IOV capability in the Linux kernel. With these patches, people can turn a PCI device with the capability into multiple ones from software perspective, which will benefit KVM and achieve other purposes such as QoS, security, and etc. Major changes between v4 -> v5: 1, remove interfaces for PF driver to create sysfs entries (Matthew

Greetings, Following patches are intended to support SR-IOV capability in the Linux kernel. With these patches, people can turn a PCI device with the capability into multiple ones from software perspective, which will benefit KVM and achieve other purposes such as QoS, security, and etc. Major changes between v4 -> v5: 1, remove interfaces for PF driver to create sysfs entries (Matthew

..." by Jonas Alves - "Deployment with Capistrano" by Omar Meeky - "Fake Data - The Secret of Great Testing" by Robert Hall - RubyConf India 2010 coverage by Judy Das - "Previous and Next Buttons" by James Schorr - "RVM - The Ruby Version Manager" by Markus Dreier - "Interview with Michael Day of Prince XML" by Olimpiu Metiu Please consider writing an article for the community in the next issue, or contact us with any feedback. Thank you, Olimpiu Metiu Editor-in-Chief | Rails Magazine -- You received this message because you are subscribed to t...

...ge for SR-IOV at device scanning stage. Cc: Jesse Barnes <jbarnes at virtuousgeek.org> Cc: Randy Dunlap <randy.dunlap at oracle.com> Cc: Grant Grundler <grundler at parisc-linux.org> Cc: Alex Chiang <achiang at hp.com> Cc: Matthew Wilcox <matthew at wil.cx> Cc: Roland Dreier <rdreier at cisco.com> Cc: Greg KH <greg at kroah.com> Signed-off-by: Yu Zhao <yu.zhao at intel.com> --- drivers/pci/iov.c | 24 ++++++++++++++++++++++++ drivers/pci/pci.h | 5 +++++ drivers/pci/probe.c | 3 +++ 3 files changed, 32 insertions(+), 0 deletions(-) diff...

...n to the start of dev_hard_start_xmit(): it can be premature in the NETDEV_TX_BUSY case, but that's uncommon. I removed the drivers' skb_orphan(), though it's harmless. Signed-off-by: Rusty Russell <rusty at rustcorp.com.au> Cc: Divy Le Ray <divy at chelsio.com> Cc: Roland Dreier <rolandd at cisco.com> Cc: Pavel Emelianov <xemul at openvz.org> Cc: Dan Williams <dcbw at redhat.com> Cc: libertas-dev at lists.infradead.org --- drivers/net/cxgb3/sge.c | 27 --------------------------- drivers/net/loopback.c | 2 -- drivers/net/mlx4...

...n to the start of dev_hard_start_xmit(): it can be premature in the NETDEV_TX_BUSY case, but that's uncommon. I removed the drivers' skb_orphan(), though it's harmless. Signed-off-by: Rusty Russell <rusty at rustcorp.com.au> Cc: Divy Le Ray <divy at chelsio.com> Cc: Roland Dreier <rolandd at cisco.com> Cc: Pavel Emelianov <xemul at openvz.org> Cc: Dan Williams <dcbw at redhat.com> Cc: libertas-dev at lists.infradead.org --- drivers/net/cxgb3/sge.c | 27 --------------------------- drivers/net/loopback.c | 2 -- drivers/net/mlx4...

...ot I/O Virtualization (SR-IOV) support. Cc: Jesse Barnes <jbarnes at virtuousgeek.org> Cc: Randy Dunlap <randy.dunlap at oracle.com> Cc: Grant Grundler <grundler at parisc-linux.org> Cc: Alex Chiang <achiang at hp.com> Cc: Matthew Wilcox <matthew at wil.cx> Cc: Roland Dreier <rdreier at cisco.com> Cc: Greg KH <greg at kroah.com> Signed-off-by: Yu Zhao <yu.zhao at intel.com> --- drivers/pci/Kconfig | 12 + drivers/pci/Makefile | 2 + drivers/pci/iov.c | 850 ++++++++++++++++++++++++++++++++++++++++++++++ drivers/pci/pci-sysfs.c...

...ot I/O Virtualization (SR-IOV) support. Cc: Jesse Barnes <jbarnes at virtuousgeek.org> Cc: Randy Dunlap <randy.dunlap at oracle.com> Cc: Grant Grundler <grundler at parisc-linux.org> Cc: Alex Chiang <achiang at hp.com> Cc: Matthew Wilcox <matthew at wil.cx> Cc: Roland Dreier <rdreier at cisco.com> Cc: Greg KH <greg at kroah.com> Signed-off-by: Yu Zhao <yu.zhao at intel.com> --- drivers/pci/Kconfig | 12 + drivers/pci/Makefile | 2 + drivers/pci/iov.c | 850 ++++++++++++++++++++++++++++++++++++++++++++++ drivers/pci/pci-sysfs.c...

...R-IOV user and device driver developer. Cc: Jesse Barnes <jbarnes at virtuousgeek.org> Cc: Randy Dunlap <randy.dunlap at oracle.com> Cc: Grant Grundler <grundler at parisc-linux.org> Cc: Alex Chiang <achiang at hp.com> Cc: Matthew Wilcox <matthew at wil.cx> Cc: Roland Dreier <rdreier at cisco.com> Cc: Greg KH <greg at kroah.com> Signed-off-by: Yu Zhao <yu.zhao at intel.com> --- Documentation/DocBook/kernel-api.tmpl | 2 + Documentation/PCI/pci-iov-howto.txt | 227 +++++++++++++++++++++++++++++++++ 2 files changed, 229 insertions(+), 0 deletion...

...R-IOV user and device driver developer. Cc: Jesse Barnes <jbarnes at virtuousgeek.org> Cc: Randy Dunlap <randy.dunlap at oracle.com> Cc: Grant Grundler <grundler at parisc-linux.org> Cc: Alex Chiang <achiang at hp.com> Cc: Matthew Wilcox <matthew at wil.cx> Cc: Roland Dreier <rdreier at cisco.com> Cc: Greg KH <greg at kroah.com> Signed-off-by: Yu Zhao <yu.zhao at intel.com> --- Documentation/DocBook/kernel-api.tmpl | 2 + Documentation/PCI/pci-iov-howto.txt | 227 +++++++++++++++++++++++++++++++++ 2 files changed, 229 insertions(+), 0 deletion...

...some macros from c file to header file. Cc: Jesse Barnes <jbarnes at virtuousgeek.org> Cc: Randy Dunlap <randy.dunlap at oracle.com> Cc: Grant Grundler <grundler at parisc-linux.org> Cc: Alex Chiang <achiang at hp.com> Cc: Matthew Wilcox <matthew at wil.cx> Cc: Roland Dreier <rdreier at cisco.com> Cc: Greg KH <greg at kroah.com> Signed-off-by: Yu Zhao <yu.zhao at intel.com> --- drivers/pci/pci-sysfs.c | 10 ++++---- drivers/pci/pci.c | 2 +- drivers/pci/pci.h | 20 ++++++++++++++++++ drivers/pci/probe.c | 50 ++++++++++++++++...

...some macros from c file to header file. Cc: Jesse Barnes <jbarnes at virtuousgeek.org> Cc: Randy Dunlap <randy.dunlap at oracle.com> Cc: Grant Grundler <grundler at parisc-linux.org> Cc: Alex Chiang <achiang at hp.com> Cc: Matthew Wilcox <matthew at wil.cx> Cc: Roland Dreier <rdreier at cisco.com> Cc: Greg KH <greg at kroah.com> Signed-off-by: Yu Zhao <yu.zhao at intel.com> --- drivers/pci/pci-sysfs.c | 10 ++++---- drivers/pci/pci.c | 2 +- drivers/pci/pci.h | 20 ++++++++++++++++++ drivers/pci/probe.c | 50 ++++++++++++++++...

...PCI resource definitions into an enum. Cc: Jesse Barnes <jbarnes at virtuousgeek.org> Cc: Randy Dunlap <randy.dunlap at oracle.com> Cc: Grant Grundler <grundler at parisc-linux.org> Cc: Alex Chiang <achiang at hp.com> Cc: Matthew Wilcox <matthew at wil.cx> Cc: Roland Dreier <rdreier at cisco.com> Cc: Greg KH <greg at kroah.com> Signed-off-by: Yu Zhao <yu.zhao at intel.com> --- drivers/pci/pci-sysfs.c | 119 +++++++++++++++++++++++++++-------------------- drivers/pci/pci.c | 68 ++++++++++++++++++++------- drivers/pci/pci.h | 3 +...

...PCI resource definitions into an enum. Cc: Jesse Barnes <jbarnes at virtuousgeek.org> Cc: Randy Dunlap <randy.dunlap at oracle.com> Cc: Grant Grundler <grundler at parisc-linux.org> Cc: Alex Chiang <achiang at hp.com> Cc: Matthew Wilcox <matthew at wil.cx> Cc: Roland Dreier <rdreier at cisco.com> Cc: Greg KH <greg at kroah.com> Signed-off-by: Yu Zhao <yu.zhao at intel.com> --- drivers/pci/pci-sysfs.c | 119 +++++++++++++++++++++++++++-------------------- drivers/pci/pci.c | 68 ++++++++++++++++++++------- drivers/pci/pci.h | 3 +...