Kernel

How to track down abysmal performance ata - raid1 - crypto - vg/lv - xfs
On Wed, Aug 04, 2010 at 09:35:46AM +0200, Dominik Brodowski wrote: How can I best track down the cause of the performance problem, a) without rebooting too often, and b) without breaking up the setup specified above (production system)? So did you just upgrade the system from an earlier kernel that did not... 4 Aug 2010 09:13

SysRq: do not pass tty argument around
On Wed, 04 Aug 2010 00:58:55 -0700 Dmitry Torokhov <dmitry.torokhov(a)gmail.com> wrote: Hi, The following 3 patches get rid of 'tty' argument in SysRq handlers as nobody is using it. If noone objects I'd like to get it merged through my tree. Looks good to me. -- To unsubscribe from this list: sen... 4 Aug 2010 16:54

[GIT PULL] percpu for v2.6.36
Hello, Linus. Please pull from git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu.git for-linus to receive percpu changes. It contains two patches to allow percpu allocator to be usable before slab comes online. slab branch will have patches to make it use percpu allocator during boot strapping ins... 4 Aug 2010 04:55

question about CONFIG_BASE_SMALL
Hi all, I noticed CONFIG_BASE_SMALL in different parts of the kernel code, with ifdef/ifndef. I wonder what does CONFIG_BASE_SMALL mean? And how can I configure it, e.g. through make menuconfig? thanks, -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a m... 4 Aug 2010 06:00

Input: sysrq - drop tty argument from sysrq ops handlers
On Wed, 2010-08-04 at 00:59 -0700, Dmitry Torokhov wrote: Noone is using tty argument so let's get rid of it. While talking about sysrq... I noticed that serial drivers call sysrq with the uart lock held. I've seen deadlocks caused by that, for example, when entering the debugger, it waits forever for a CP... 4 Aug 2010 22:21

Failing to read drive: "Very big device. Trying to use READ CAPACITY(16)"
Dear kernel people, We are trying to access the harddrive of a decomissioned laptop. It's a Western Digital Scorpio Blue 320Gb SATA drive (WD3200BEVT¹, 625,142,448 sectors). When we attach it via USB, however, the kernel fails to read its size and assumes it's 2**32 blocks long (2 TiB): kernel: [ 2466.31882... 4 Aug 2010 04:55

block, partition: add partition_meta_info to hd_struct
Hello, On 08/04/2010 04:04 AM, Will Drewry wrote: This changes adds a partition_meta_info struct which itself contains a union of structures that provide partition table specific metadata. This change leaves the union empty. The subsequent patch includes an implementation for CONFIG_EFI_PARTITION-bas... 4 Aug 2010 04:55

[PATCH 0/3] SysRq: do not pass tty argument around
Hi, The following 3 patches get rid of 'tty' argument in SysRq handlers as nobody is using it. If noone objects I'd like to get it merged through my tree. Thanks! -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org ... 4 Aug 2010 04:55

wm8350-core: fix wrong kfree in error path
On Wed, Aug 04, 2010 at 09:54:21AM +0800, Axel Lin wrote: This patch includes below fixes: 1. fix wm8350_create_cache error path make sure wm8350->reg_cache is freed in error path. 2. fix wm8350_device_init error path no need to kfree(wm8350->reg_cache) in the case of goto out. Signed-off-by... 5 Aug 2010 13:33

media: Add a cached version of the contiguous video buffers
Hi Richard, Richard Röjfors wrote: This patch adds another init functions in the videobuf-dma-contig which is named _cached in the end. It creates a buffer factory which allocates buffers using kmalloc and the buffers are cached. Before I review this in more detail, could you elaborate more on this? Ho... 4 Aug 2010 04:55