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BUG in drivers/dma/ioat/dma_v2.c:314
Hi Dan, My Mac Pro hit this BUG every time it try to load module ioatdma. This was first discover in FC 12 & 13 kernel. See redhat bug 605845. I attach a picture of the kernel panic on the bug. The current git tree has it as well. The bug line number change... 22 Jul 2010 19:08
avoid return NULL on root rb_node in rb_next/rb_prev in lib/rbtree.c
2010/6/28 Peter Zijlstra <peterz(a)>: So if ->rb_leftmost is NULL, then the if (!left) check in __pick_next_entity() would return null. As to the NULL deref in in pick_next_task_fair()->set_next_entity() that should never happen because pick_next_task_fair() will bail on !->nr_running. ... 29 Jun 2010 04:10
[PATCH] arch/x86/kernel/cpu/mtrr/cleanup.c: Use ";" not "," to terminate statements
Needed if pr_<level> becomes a bit more space efficient. Signed-off-by: Joe Perches <joe(a)> --- arch/x86/kernel/cpu/mtrr/cleanup.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/cpu/mtrr/cleanup.c b/arch/x86/kernel/cpu/mtrr/cleanup.c index 06130b5..c5f5... 28 Jun 2010 20:34
[PATCH] KEYS: Use the variable 'key' in keyctl_describe_key()
On Mon, 28 Jun 2010, David Howells wrote: keyctl_describe_key() turns the key reference it gets into a usable key pointer and assigns that to a variable called 'key', which it then ignores in favour of recomputing the key pointer each time it needs it. Make it use the precomputed pointer instead. ... 28 Jun 2010 19:28
[PATCH] VMware balloon: force compiling as a module
VMware Tools installer requires the upstream driver to be compiled as a module in order to detect its presence and avoid installing our own version on top of it. To avoid surprises with 2 versions of the driver being installed and fighting with each other, let's force the driver to be compiled as a module unless us... 28 Jun 2010 19:28
async: use workqueue for worker pool
On Mon, Jun 28, 2010 at 11:04:22PM +0200, Tejun Heo wrote: Replace private worker pool with system_long_wq. It appeared to me that async is deemed to parallelize as much as possible, to probe devices faster on boot for example, while cmwq seems to do the opposite: trying to execute in batches as much as poss... 2 Jul 2010 13:31
workqueue: update cwq alignement
On Mon, Jun 28, 2010 at 11:04:00PM +0200, Tejun Heo wrote: work->data field is used for two purposes. It points to cwq it's queued on and the lower bits are used for flags. Currently, two bits are reserved which is always safe as 4 byte alignment is guaranteed on every architecture. However, future chang... 6 Jul 2010 11:09
libata: take advantage of cmwq and remove concurrency limitations
On 06/28/2010 05:04 PM, Tejun Heo wrote: libata has two concurrency related limitations. a. ata_wq which is used for polling PIO has single thread per CPU. If there are multiple devices doing polling PIO on the same CPU, they can't be executed simultaneously. b. ata_aux_wq which is used fo... 29 Jun 2010 04:10
Subject: [PATCH] arm: fix KConfig warning for mach-mx25
From: Peter Huewe <peterhuewe(a) This patch fixes a KConfig warning: "arch/arm/mach-mx25/Kconfig:18:warning: choice value used outside its choice group" Signed-off-by: Peter Huewe <peterhuewe(a)> --- KernelVersion: linux-next-20100628 arch/arm/mach-mx25/Kconfig | 3 +-- 1 files changed, 1 insert... 29 Jun 2010 03:05
[PATCH/RFC 3/4] hwmon: pmbus driver documentation
Signed-off-by: Guenter Roeck <guenter.roeck(a)> --- Documentation/hwmon/pmbus | 117 +++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 117 insertions(+), 0 deletions(-) create mode 100644 Documentation/hwmon/pmbus diff --git a/Documentation/hwmon/pmbus b/Documentation/hwmon/pmbus new f... 28 Jun 2010 18:23
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