Kernel

[RFC PATCH 00/14] Some BKL killing in the serial drivers
--- Alan Cox (14): synclink: reworking locking a bit specialix; Kill the BKL epca: Kill the big kernel lock cyclades: Kill off BKL usage synclink: kill the big kernel lock rocket: kill BKL isicom: kill off the BKL riscom8: kill use of lock_kernel istal... 1 Apr 2010 13:30

[PATCHv5 1/4] tracing: adding ftrace events for graph tracer
hi, this patch adds ftrace events for graph tracer, so the graph output could be shared within other tracers. wbr, jirka Signed-off-by: Jiri Olsa <jolsa(a)redhat.com> --- kernel/trace/trace_functions_graph.c | 28 +++++++++++++++++++++++++++- 1 files changed, 27 insertions(+), 1 deletions(-) diff --... 1 Apr 2010 13:30

[PATCHv5 4/4] tracing: graph output support for preemptirqsoff/preemptoff tracers
hi, adding support for graph output for preemptirqsoff/preemptoff tracers. wbr, jirka Signed-off-by: Jiri Olsa <jolsa(a)redhat.com> --- kernel/trace/trace_irqsoff.c | 16 ++++++++++++++++ 1 files changed, 16 insertions(+), 0 deletions(-) diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_... 1 Apr 2010 13:30

[PATCH v2] proc: Report file name on detected read_proc overflow
This can help identifying the buggy read_proc handler. Signed-off-by: Jan Kiszka <jan.kiszka(a)siemens.com> --- fs/proc/generic.c | 12 +++++++++--- 1 files changed, 9 insertions(+), 3 deletions(-) changes in v2: - keep "Apparent buffer overflow" in the same source code line - quote the file name with '' ... 1 Apr 2010 12:22

linux-next: Tree for April 1 (virtio_blk warning)
On Thu, 1 Apr 2010 17:23:17 +1100 Stephen Rothwell wrote: Hi all, Changes since 20100331: drivers/block/virtio_blk.c:228:13: warning: multi-character character constant due to: if (cmd == 'VBID') { --- ~Randy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in th... 6 Apr 2010 17:34

slub: fix bad scope checking
On Thu, 1 Apr 2010, Zhang, Yanmin wrote: Function init_kmem_cache_nodes is incorrect when checking upper limitation of kmalloc_caches. True. Acked-by: Christoph Lameter <cl(a)linux-foundation.org> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to maj... 2 Apr 2010 03:52

[patch] ir-keytable: avoid double lock
It's possible that we wanted to resize to a smaller size but we didn't have enough memory to create the new table. We need to test for that here so we don't try to lock twice and dead lock. Also we free the "oldkeymap" on that path and that would be bad. Signed-off-by: Dan Carpenter <error27(a)gmail.com> --- I ... 1 Apr 2010 12:22

[patch] cciss: unlock on error path
We take the spin_lock again in fail_all_cmds() so we need to unlock here. Signed-off-by: Dan Carpenter <error27(a)gmail.com> --- This was found by a static checker and I don't have the hardware myself. Please review carefully. diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 9e3af30..eb5ff05 10... 1 Apr 2010 12:22

sched_wakeup_new and sched_kthread_stop events cause great overload
On Thu, Apr 01, 2010 at 05:37:59PM +0800, Xiao Guangrong wrote: Hi Steven, Sorry for the delay reply since i'm busy during this time. Steven Rostedt wrote: For sysbench.threads: cat debugfs/tracing/trace | grep "sched_wakeup_new" | wc -l 5001 cat debugfs/tracing/trace | grep... 1 Apr 2010 12:22

uio_pci_generic: extensions to allow access for non-privileged processes
On Thursday 01 April 2010 02:09:09 am Avi Kivity wrote: On 04/01/2010 03:08 AM, Tom Lyon wrote: uio_pci_generic has previously been discussed on the KVM list, but this patch has nothing to do with KVM, so it is also going to LKML. (needs to go to lkml even if it was for kvm) The point of this... 9 Apr 2010 13:23