Kernel

use spin lock instead of bit_spin_lock in page_cgroup
KAMEZAWA Hiroyuki <kamezawa.hiroyu(a)jp.fujitsu.com> writes: From: KAMEZAWA Hiroyuki <kamezawa.hiroyu(a)jp.fujitsu.com> This patch replaces page_cgroup's bit_spinlock with spinlock. In general, spinlock has good implementation than bit_spin_lock and we should use it if we have a room for it. In 64bit arch,... 28 Jul 2010 03:07

linux-next: build failure after merge of the final tree (scsi tree related)
Hi James, After merging the final tree, today's linux-next build (powerpc allyesconfig) failed like this: drivers/scsi/qla4xxx/built-in.o: In function `.qla82xx_wr_32': (.text+0x183d0): multiple definition of `.qla82xx_wr_32' drivers/scsi/qla2xxx/built-in.o:(.text+0x74630): first defined here drivers/scsi/qla... 28 Jul 2010 03:07

mmotm 2010-07-27 - nouveau lockdep issues.
On Tue, 27 Jul 2010 14:56:50 PDT, akpm(a)linux-foundation.org said: The mm-of-the-moment snapshot 2010-07-27-14-56 has been uploaded to http://userweb.kernel.org/~akpm/mmotm/ Hit this while the X server was on its way down during a 'shutdown -r now'. Worked fine in -rc5-mmotm0719. 'e16' is the Enlightenm... 28 Jul 2010 03:07

memblock: Add ARCH_DISCARD_MEMBLOCK to put memblock code to .init
On Thu, 2010-07-22 at 11:21 -0700, Yinghai Lu wrote: So those memblock bits could be released after kernel is booted up. Arch code could define ARCH_DISCARD_MEMBLOCK in asm/memblock.h, __init_memblock will become __init, __initdata_memblock will becom __initdata Actually, that sucks. A bunch of membl... 28 Jul 2010 02:03

[tip:x86/urgent] x86: Add memory modify constraints to xchg() and cmpxchg()
Commit-ID: 113fc5a6e8c2288619ff7e8187a6f556b7e0d372 Gitweb: http://git.kernel.org/tip/113fc5a6e8c2288619ff7e8187a6f556b7e0d372 Author: H. Peter Anvin <hpa(a)zytor.com> AuthorDate: Tue, 27 Jul 2010 17:01:49 -0700 Committer: H. Peter Anvin <hpa(a)zytor.com> CommitDate: Tue, 27 Jul 2010 17:14:02 -0700 x86: A... 28 Jul 2010 02:03

mmotm 2010-07-27 - WARNING in ec_parse_io_ports()
On Tue, 27 Jul 2010 14:56:50 PDT, akpm(a)linux-foundation.org said: The mm-of-the-moment snapshot 2010-07-27-14-56 has been uploaded to http://userweb.kernel.org/~akpm/mmotm/ Seen during very early boot: [ 0.302450] ------------[ cut here ]------------ [ 0.302458] WARNING: at drivers/acpi/ec.c:8... 28 Jul 2010 07:26

memblock: Add memblock_find_in_range()
On Thu, 2010-07-22 at 11:21 -0700, Yinghai Lu wrote: it is a wrapper for memblock_find_base make it more easy for x86 to use memblock. ( rebase ) x86 early_res is using find/reserve pattern instead of alloc. keep it in weak version, so later We can use x86 own version if needed. also We need it i... 28 Jul 2010 20:40

[PATCH] gen_nand: Fix support for multiple chips
This patch corrects a problem where gen_nand driver assumed there can be only one chip and ignored the pdata->chip.nr_chips value. Signed-off-by: Marek Vasut <marek.vasut(a)gmail.com> --- drivers/mtd/nand/plat_nand.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/mtd/nand/plat... 28 Jul 2010 02:03

x86, vdso: Error out if the vdso contains external references
Stephen Rothwell wrote: Hi, On Fri, 18 Jun 2010 22:16:05 GMT "tip-bot for H. Peter Anvin" <hpa(a)linux.intel.com> wrote: diff --git a/arch/x86/vdso/checkundef.sh b/arch/x86/vdso/checkundef.sh new file mode 100755 index 0000000..490be1c --- /dev/null +++ b/arch/x86/vdso/checkundef.sh @@ -... 28 Jul 2010 02:03

memblock: Prepare to include linux/memblock.h in core file
On Thu, 2010-07-22 at 11:21 -0700, Yinghai Lu wrote: Need to add protection in linux/memblock.h, to prepare to include it in mm/page_alloc.c and mm/bootmem.c etc. Not really no ... having the definitions shouldn't hurt whether memblock is used or not, no ? I'm going to keep that patch in the queue because... 28 Jul 2010 02:03