Kernel

[PATCH 0/4] writeback: tracing and wbc->nr_to_write fixes
This series contains the initial writeback tracing patches from Jens, as well as the extensions I added to provide visibility into writeback control structures as the are used by the writeback code. The visibility given is sufficient to understand what is happening in the writeback path - what path is writing data,... 20 Apr 2010 16:12

[PATCH 3/4] writeback: pay attention to wbc->nr_to_write in write_cache_pages
From: Dave Chinner <dchinner(a)redhat.com> If a filesystem writes more than one page in ->writepage, write_cache_pages fails to notice this and continues to attempt writeback when wbc->nr_to_write has gone negative - this trace was captured from XFS: wbc_writeback_start: towrt=1024 wbc_writepage: towrt... 20 Apr 2010 16:12

IPv4 NAT UDP Traversal issue
Dear all, I have a question about Linux NAT, our Product is ADSL Router(Linux Version is 2.6.22.15), and Now our customers requirment is below: IPv4 Nat: UDP Traversal through NAT, must support STUN (RFC3489) the four ways: Full Cone��Restricted Cone��Port Restricted Cone and Symmetric ... 20 Apr 2010 16:12

[PATCH] cxgb3: fix linkup issue
From: Hiroshi Shimamoto <h-shimamoto(a)ct.jp.nec.com> I encountered an issue that not to link up on cxgb3 fabric. I bisected and found that this regression was introduced by 0f07c4ee8c800923ae7918c231532a9256233eed. Correct to pass phy_addr to cphy_init() at t3_xaui_direct_phy_prep(). Signed-off-by: Hiroshi Sh... 20 Apr 2010 16:12

mxc: Add generic USB HW initialization for MX51
On Mon, Apr 19, 2010 at 7:13 PM, Daniel Mack <daniel(a)caiaq.de> wrote: On Mon, Apr 19, 2010 at 05:27:03PM -0500, Dinh.Nguyen(a)freescale.com wrote: + � � � � � � /* allow controller to reset, and leave time for + � � � � � � �* the ULPI transceiver to reset too. + � � � � � � �*/ + � � � � � � msleep(10... 20 Apr 2010 16:12

drivers/pci/intel-iommu.c: errors with smaller iommu widths
I agree, but I defer to Mr. Woodhouse. On Monday 19 April 2010 03:43:39 pm Andrew Morton wrote: On Mon, 19 Apr 2010 14:44:16 -0700 "Tom Lyon" <pugs(a)cisco.com> wrote: When using iommu_domain_alloc with the Intel iommu, the domain address width is always initialized to 48 bits (agaw 2). __Thi... 20 Apr 2010 16:12

drivers/pci/intel-iommu.c: errors with smaller iommu widths
On Mon, 19 Apr 2010 14:44:16 -0700 "Tom Lyon" <pugs(a)cisco.com> wrote: When using iommu_domain_alloc with the Intel iommu, the domain address width is always initialized to 48 bits (agaw 2). __This domain->agaw value is then used by pfn_to_dma_pte to (always) build a 4 level page table. __However, not ... 20 Apr 2010 16:12

[PATCHv5 2.6.34-rc4 5/5] mx5: Add USB to Freescale MX51 defconfig
From: Dinh Nguyen <Dinh.Nguyen(a)freescale.com> Update mx51_defconfig to include USB EHCI by default. This patch applies to 2.6.34-rc4. Signed-off-by: Dinh Nguyen <Dinh.Nguyen(a)freescale.com> --- arch/arm/configs/mx51_defconfig | 17 ++++++++++++++++- 1 files changed, 16 insertions(+), 1 deletions(-) dif... 20 Apr 2010 16:12

[PATCHv5 2.6.34-rc4 2/5] mx5: Add USB device definitions for Freescale MX51 Babbage HW
From: Dinh Nguyen <Dinh.Nguyen(a)freescale.com> This patch is part of enabling USB for Freescale MX51 Babbage HW. This patch adds device structures for USB Host1 and OTG port, and adds clocking information for USB HW. This patch applies to 2.6.34-rc4. Signed-off-by: Dinh Nguyen <Dinh.Nguyen(a)freescale.com> ---... 20 Apr 2010 16:12

rcu: slim down rcutiny by removing rcu_scheduler_active and friends
On Tue, Apr 20, 2010 at 11:15:08AM +0100, David Howells wrote: Paul E. McKenney <paulmck(a)linux.vnet.ibm.com> wrote: +void rcu_scheduler_starting(void) +{ + WARN_ON(nr_context_switches() > 0); + rcu_scheduler_active = 1; +} Since rcu_scheduler_active is a global variable, does it m... 20 Apr 2010 16:11