(2014/06/12 14:54), Namhyung Kim wrote:
> On Thu, 12 Jun 2014 12:29:09 +0900, Masami Hiramatsu wrote:
>> NO, ftrace_lookup_ip() returns NULL if the hash is empty, so adding
>> !ftrace_hash_empty() is meaningless :)
>>
>> Actually, here I intended to have 3 meanings for the new/old_hash arguments,
>
On 2014.06.11 14:45 Rafael J. Wysocki wrote:
> On Wed, Jun 11, 2014 at 11:40 PM, Doug Smythies wrote:
>
>> Myself, I consider the issue of excessive deferred timer times to be a much
>> higher priority (see my on-list e-mail from Monday). Correct me if I am
>> wrong.
>> Even without the "excess
On Thu, 12 Jun 2014, Lan Tianyu wrote:
> Some machines'(E,G Lenovo Z480) ECs are not stable during boot up
> and causes battery driver fails to be probed due to failure of getting
> battery information from EC sometimes. After several retries, the
> operation will work. This patch is to retry to g
Last night I have pulled and installed latest kernel and immediateley
noticed that git pull on btrfs file system is stuck.
Io wait was high without noticing that there is something
to wait for. Also noticed that btrfs_transactio process was
stuck with 'D'. Tryed sync and that also got stuck.
I thi
On Fri, Jun 06, 2014 at 05:22:42PM +0400, Vladimir Davydov wrote:
> Since per memcg cache destruction is scheduled when the last slab is
> freed, to avoid use-after-free in kmem_cache_free we should either
> rearrange code in kmem_cache_free so that it won't dereference the cache
> ptr after freein
On Wed, 2014-06-11 at 23:59 +, Thomas Gleixner wrote:
> do_posix_clock_monotonic_gettime() is a leftover from the initial
> posix timer implementation which maps to ktime_get_ts().
I didn't even know we *had* such code, heh.
I've applied it to my tree - note that some code moved into sta_inf
On Thu, 12 Jun 2014, Ian Kent wrote:
> > > diff --git a/fs/seq_file.c b/fs/seq_file.c
> > > index 1d641bb108d2..fca78a04c0d1 100644
> > > --- a/fs/seq_file.c
> > > +++ b/fs/seq_file.c
> > > @@ -8,8 +8,10 @@
> > > #include
> > > #include
> > > #include
> > > +#include
> > > #include
> > >
On Wed, 2014-06-11 at 23:59 +, Thomas Gleixner wrote:
> + msrmnt = ktime_to_ms(net_timedelta(skb_arv));
This is probably more of a question about net_timedelta(), but is
ktime_get_real() really appropriate for duration measurements? Isn't
that non-monotonic?
johannes
--
To unsubscribe f
On Thu, 12 Jun 2014, Yongtaek Lee wrote:
> This bug was introduced by commit 92eb77d ("Input: evdev - fall back
> to vmalloc for client event buffer").
>
> vzalloc is used to alloc memory as fallback in case of failure
> of kzalloc. But err_free_client was not considered on below case.
> 1. kzall
On Thu, Jun 12, 2014 at 01:24:34AM +0400, Vladimir Davydov wrote:
> On Tue, Jun 10, 2014 at 07:18:34PM +0400, Vladimir Davydov wrote:
> > On Tue, Jun 10, 2014 at 09:26:19AM -0500, Christoph Lameter wrote:
> > > On Tue, 10 Jun 2014, Vladimir Davydov wrote:
> > >
> > > > Frankly, I incline to shrink
From: Peter Zijlstra
Subject: Re: [PATCH] perf/x86/intel: ignore CondChgd bit to avoid false NMI
handling
Date: Wed, 11 Jun 2014 10:54:48 +0200
> On Wed, Jun 11, 2014 at 04:30:28PM +0900, HATAYAMA Daisuke wrote:
>> Currently, a NMI handler for NMI watchdog may falsely handle any NMI
>> signaled
On Thu, Jun 12, 2014 at 03:43:55PM +0900, Joonsoo Kim wrote:
> On Thu, Jun 12, 2014 at 03:06:10PM +0900, Minchan Kim wrote:
> > On Thu, Jun 12, 2014 at 12:21:42PM +0900, Joonsoo Kim wrote:
> > > ppc kvm's cma region management requires arbitrary bitmap granularity,
> > > since they want to reserve
On 12 June 2014 07:25, Guennadi Liakhovetski wrote:
> Hi Linus,
>
> On Wed, 11 Jun 2014, Linus Torvalds wrote:
>
>> On Tue, Jun 10, 2014 at 2:50 PM, Linus Torvalds
>> wrote:
>> >
>> > Also, that new drivers/mmc/host/usdhi6rol0.c driver is one f*cking
>> > noisy compile, and knisr certainly has ne
Hi Srivatsa,
On Sat, Jun 7, 2014 at 7:16 AM, Srivatsa S. Bhat
wrote:
> And with the following hunk added (which I had forgotten earlier), it worked
> just
> fine on powernv :-)
How are the patches coming along?
I just hung a machine here while attempting to kexec. It appears to
have onlined al
On Thu, Jun 12, 2014 at 03:06:10PM +0900, Minchan Kim wrote:
> On Thu, Jun 12, 2014 at 12:21:42PM +0900, Joonsoo Kim wrote:
> > ppc kvm's cma region management requires arbitrary bitmap granularity,
> > since they want to reserve very large memory and manage this region
> > with bitmap that one bit
Dear Takashi
> -Original Message-
> From: Koul, Vinod
> Sent: Monday, June 09, 2014 11:36 PM
> To: Takashi Iwai
> Cc: Wang, Xiaoming; Kp, Jeeja; dhowe...@redhat.com; a...@arndb.de;
> t...@linutronix.de; mtk.manpa...@gmail.com;
> paul...@linux.vnet.ibm.com; da...@redhat.com;
> linux-kernel@
On 06/11/2014 04:30 AM, Bartlomiej Zolnierkiewicz wrote:
Hi,
On Tuesday, June 10, 2014 04:54:01 PM David Milburn wrote:
On 05/23/2014 12:35 PM, suravee.suthikulpa...@amd.com wrote:
From: Suravee Suthikulpanit
The current platform AHCI drier does not set the dma_mask correctly
for 64-bit D
We've converted cgroup to kernfs so cgroup won't be intertwined with
vfs objects and locking, but there are dark areas.
Run two instances of this script concurrently:
for ((; ;))
{
mount -t cgroup -o cpuacct xxx /cgroup
umount /cgroup
}
After a while, I saw two mount
# cat test.sh
#! /bin/bash
mount -t cgroup -o cpu xxx /cgroup
umount /cgroup
mount -t cgroup -o cpu,cpuacct xxx /cgroup
umount /cgroup
# ./test.sh
mount: xxx already mounted or /cgroup busy
mount: according to mtab, xxx is already mounted on /cgroup
It's because the cgroupfs_ro
kernfs_pin_sb() tries to get a refcnt of the superblock, while
kernfs_drop_sb() drops this refcnt.
This will be used by cgroupfs.
Signed-off-by: Li Zefan
---
fs/kernfs/mount.c | 45 +
include/linux/kernfs.h | 3 +++
2 files changed, 48 insertio
This is used to check if the percpu_ref has been killed.
Signed-off-by: Li Zefan
---
include/linux/percpu-refcount.h | 11 +++
1 file changed, 11 insertions(+)
diff --git a/include/linux/percpu-refcount.h b/include/linux/percpu-refcount.h
index dba35c4..1d5f2b3 100644
--- a/include/linu
After running:
# mount -t cgroup cpu xxx /cgroup && mkdir /cgroup/sub && \
rmdir /cgroup/sub && umount /cgroup
I found the cgroup root still existed:
# cat /proc/cgroups
#subsys_namehierarchy num_cgroups enabled
cpuset 0 1 1
cpu 1 1 1
..
On Wed, 2014-06-11 at 15:29 -0700, David Rientjes wrote:
> On Wed, 11 Jun 2014, Heiko Carstens wrote:
>
> > Alternatively we could also change the seqfile code to fall back to
> > vmalloc allocations. That would probably "fix" all single_open usages
> > where large contiguous memory areas are need
On 06/11/2014 04:41 AM, Bartlomiej Zolnierkiewicz wrote:
On Fri, May 23, 2014 at 12:35:10PM -0500,suravee.suthikulpa...@amd.com wrote:
> >>From: Suravee Suthikulpanit
> >>
> >>The current platform AHCI drier does not set the dma_mask correctly
> >>for 64-bit DMA capable AHCI controller. This
This patch modifies mfd driver to use regmap for handling interrupts.
It allows to simplify irq handling process. This modifications needed
to make small changes in function drivers, which use interrupts.
Signed-off-by: Robert Baldyga
Reviewed-by: Krzysztof Kozlowski
[For mfd part]
Acked-by: Le
On Wed, Jun 11, 2014 at 10:34 AM, Yinghai Lu wrote:
> On Wed, Jun 11, 2014 at 10:32 AM, H. Peter Anvin wrote:
>>
>> It is not about loading over 4G, it is that some kinds of code (in
>> particular accessing global variables) from the early microcode loading
>> code doesn't work on 32 bits, so it
(2014/06/12 14:38), Namhyung Kim wrote:
> Hi Masami,
>
> On Thu, 12 Jun 2014 12:29:09 +0900, Masami Hiramatsu wrote:
>> (2014/06/11 16:41), Namhyung Kim wrote:
>>> Hi Masami,
>>>
>>> On Wed, 11 Jun 2014 10:28:01 +0900, Masami Hiramatsu wrote:
(2014/06/10 22:53), Namhyung Kim wrote:
> Hi M
On Thu, Jun 12, 2014 at 12:21:42PM +0900, Joonsoo Kim wrote:
> ppc kvm's cma region management requires arbitrary bitmap granularity,
> since they want to reserve very large memory and manage this region
> with bitmap that one bit for several pages to reduce management overheads.
> So support arbit
Rich,
On Wed, Jun 11, 2014 at 5:15 PM, Rich Felker wrote:
> On Tue, Jun 10, 2014 at 10:50:08PM -0700, Eric Dumazet wrote:
>> On Wed, 2014-06-11 at 07:24 +0200, Mike Galbraith wrote:
>> > (CCs network wizard hangout)
>> >
>> > On Wed, 2014-06-11 at 00:12 -0400, Rich Felker wrote:
>> > > While look
Hello,
On Thu, 12 Jun 2014, Simon Horman wrote:
> Thanks, Julian, should I take this one?
> I'm assuming this problem has been present for quite a number of releases.
I'll post new version with extended comments.
Regards
--
Julian Anastasov
--
To unsubscribe from this list: s
Some machines'(E,G Lenovo Z480) ECs are not stable during boot up
and causes battery driver fails to be probed due to failure of getting
battery information from EC sometimes. After several retries, the
operation will work. This patch is to retry to get battery information 5
times if the first try
On Thu, Jun 12, 2014 at 02:52:20PM +0900, Minchan Kim wrote:
> On Thu, Jun 12, 2014 at 12:21:41PM +0900, Joonsoo Kim wrote:
> > ppc kvm's cma area management needs alignment constraint on
> > cma region. So support it to prepare generalization of cma area
> > management functionality.
> >
> > Addi
On Wed, Jun 11, 2014 at 05:22:28PM -0400, Long, Wai Man wrote:
> >>@@ -233,11 +233,25 @@ void queue_spin_lock_slowpath(struct qspinlock *lock,
> >>u32 val)
> >> */
> >>for (;;) {
> >>/*
> >>-* If we observe any contention; queue.
> >>+* If we observe th
On Thu, Jun 12, 2014 at 02:25:43PM +0900, Minchan Kim wrote:
> On Thu, Jun 12, 2014 at 12:21:39PM +0900, Joonsoo Kim wrote:
> > We should free memory for bitmap when we find zone mis-match,
> > otherwise this memory will leak.
>
> Then, -stable stuff?
I don't think so. This is just possible leak
Hi all,
The powerpc allyesconfig is again broken more than usual.
Changes since 20140611:
Dropped tree: drm-intel-fixes (build problems)
The drm-intel-fixes still had its build failure so I dropped it at the
maintainers request.
The samsung tree gained a conflict against Linus' tree.
Th
On Thu, 12 Jun 2014 12:29:09 +0900, Masami Hiramatsu wrote:
> NO, ftrace_lookup_ip() returns NULL if the hash is empty, so adding
> !ftrace_hash_empty() is meaningless :)
>
> Actually, here I intended to have 3 meanings for the new/old_hash arguments,
> - If it is NULL, it hits all
> - If it is EMP
On Thu, Jun 12, 2014 at 02:18:53PM +0900, Minchan Kim wrote:
> Hi Joonsoo,
>
> On Thu, Jun 12, 2014 at 12:21:38PM +0900, Joonsoo Kim wrote:
> > We don't need explicit 'CMA:' prefix, since we already define prefix
> > 'cma:' in pr_fmt. So remove it.
> >
> > And, some logs print function name and o
On Thu, Jun 12, 2014 at 12:21:41PM +0900, Joonsoo Kim wrote:
> ppc kvm's cma area management needs alignment constraint on
> cma region. So support it to prepare generalization of cma area
> management functionality.
>
> Additionally, add some comments which tell us why alignment
> constraint is n
On 2014-06-11 20:38, Himangi Saraogi wrote:
The various devm_ functions allocate memory that is released when a
driver detaches. This patch uses devm_ioremap_resource for data
that is allocated in the probe function of a platform device and
is only freed in the remove function. The corresponding
On Wed, Jun 11, 2014 at 09:37:55PM -0400, Long, Wai Man wrote:
>
> On 6/11/2014 6:54 AM, Peter Zijlstra wrote:
> >On Fri, May 30, 2014 at 11:43:55AM -0400, Waiman Long wrote:
> >>Enabling this configuration feature causes a slight decrease the
> >>performance of an uncontended lock-unlock operatio
On Thu, Jun 12, 2014 at 10:11:19AM +0530, Aneesh Kumar K.V wrote:
> Joonsoo Kim writes:
>
> > We don't need explicit 'CMA:' prefix, since we already define prefix
> > 'cma:' in pr_fmt. So remove it.
> >
> > And, some logs print function name and others doesn't. This looks
> > bad to me, so I unif
Hi Kirill,
On Thu, May 8, 2014 at 2:41 PM, Kirill A. Shutemov
wrote:
> The remap_file_pages() system call is used to create a nonlinear mapping,
> that is, a mapping in which the pages of the file are mapped into a
> nonsequential order in memory. The advantage of using remap_file_pages()
> over
(2014/06/12 1:58), Josh Poimboeuf wrote:
> On Tue, Jun 10, 2014 at 10:50:01AM +, Masami Hiramatsu wrote:
>> Hi,
>>
>> Here is a pair of patches which introduces IPMODIFY flag for
>> ftrace_ops to detect conflicts of ftrace users who can modify
>> regs->ip in their handler.
>> Currently, only kp
On 06/03/14 at 09:06am, Vivek Goyal wrote:
> Hi,
>
> This is V3 of the patchset. Previous versions were posted here.
>
> V1: https://lkml.org/lkml/2013/11/20/540
> V2: https://lkml.org/lkml/2014/1/27/331
>
> Changes since v2:
>
> - Took care of most of the review comments from V2.
> - Added sup
Hi Masami,
On Thu, 12 Jun 2014 12:29:09 +0900, Masami Hiramatsu wrote:
> (2014/06/11 16:41), Namhyung Kim wrote:
>> Hi Masami,
>>
>> On Wed, 11 Jun 2014 10:28:01 +0900, Masami Hiramatsu wrote:
>>> (2014/06/10 22:53), Namhyung Kim wrote:
Hi Masami,
2014-06-10 (화), 10:50 +, Masam
On Thu, Jun 12, 2014 at 12:21:40PM +0900, Joonsoo Kim wrote:
> To prepare future generalization work on cma area management code,
> we need to separate core cma management codes from DMA APIs.
> We will extend these core functions to cover requirements of
> ppc kvm's cma area management functionali
I've been seeing some ext4 corruption with recent kernels under qemu-system-arm.
This issue seems to crop up after shutting down uncleanly (terminating
qemu), shortly after booting about 50% of the time.
ext4/mmc related dmesg details are:
[3.206809] mmci-pl18x mb:mmci: mmc0: PL181 manf 41 re
After we call find_data_page in truncate_partial_data_page, we could not
guarantee this page is updated or not as error may occurred in lower layer.
We'd better check status of the page to avoid this no updated page be
writebacked to device.
Signed-off-by: Chao Yu
---
fs/f2fs/file.c | 10
We have already set page update in ->write_begin, so we should remove redundant
SetPageUptodate in ->write_end.
Signed-off-by: Chao Yu
---
fs/f2fs/data.c |1 -
1 file changed, 1 deletion(-)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index c1fb6dd..fd133cf 100644
--- a/fs/f2fs/data.c
+++ b
Hi Linus,
On Wed, 11 Jun 2014, Linus Torvalds wrote:
> On Tue, Jun 10, 2014 at 2:50 PM, Linus Torvalds
> wrote:
> >
> > Also, that new drivers/mmc/host/usdhi6rol0.c driver is one f*cking
> > noisy compile, and knisr certainly has never been tested in a 64-bit
> > environment. Please either fix i
On Thu, Jun 12, 2014 at 12:21:39PM +0900, Joonsoo Kim wrote:
> We should free memory for bitmap when we find zone mis-match,
> otherwise this memory will leak.
Then, -stable stuff?
>
> Additionally, I copy code comment from ppc kvm's cma code to notify
> why we need to check zone mis-match.
>
>
This patch add lower bound verification for nid in check_nid_range, so nids
reserved like 0, node, meta passed by caller could be checked there.
And then check_nid_range could be used in f2fs_nfs_get_inode for simplifying
code.
Signed-off-by: Chao Yu
---
fs/f2fs/f2fs.h |3 ++-
fs/f2fs/inod
Ping?
On Fri, Apr 11, Olaf Hering wrote:
> qemu as used by xend/xm toolstack uses a different subvendor id.
> Bind the drm driver also to this emulated card.
>
> Signed-off-by: Olaf Hering
> ---
> drivers/gpu/drm/cirrus/cirrus_drv.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/d
On Thu, Jun 12, 2014 at 04:17:36AM +, Nick Krause wrote:
> Here is the fixed patch as per Greg's recommendations. Unforunalty my email
> client removes tabs so I will have to be sending it as a patch file if that's
> Ok.
> Nick
HTML is rejected by the mailing lists, and we can't take a base64
Hi Joonsoo,
On Thu, Jun 12, 2014 at 12:21:38PM +0900, Joonsoo Kim wrote:
> We don't need explicit 'CMA:' prefix, since we already define prefix
> 'cma:' in pr_fmt. So remove it.
>
> And, some logs print function name and others doesn't. This looks
> bad to me, so I unify log format to print funct
From: Yang Wei
The commit b02d735bf was to rearrange the device-tree entries, and
assumed that these entries are sorted in the ascending order. but
acctually when I was validating kexec and kdump, the order of
serial node still is changed. We should not only compare the length
of directory name,
Joonsoo Kim writes:
> ppc kvm's cma area management needs alignment constraint on
> cma region. So support it to prepare generalization of cma area
> management functionality.
>
> Additionally, add some comments which tell us why alignment
> constraint is needed on cma region.
>
> Signed-off-by:
Joonsoo Kim writes:
> To prepare future generalization work on cma area management code,
> we need to separate core cma management codes from DMA APIs.
> We will extend these core functions to cover requirements of
> ppc kvm's cma area management functionality in following patches.
> This separat
Joonsoo Kim writes:
> We should free memory for bitmap when we find zone mis-match,
> otherwise this memory will leak.
>
> Additionally, I copy code comment from ppc kvm's cma code to notify
> why we need to check zone mis-match.
>
> Signed-off-by: Joonsoo Kim
Reviewed-by: Aneesh Kumar K.V
>
Joonsoo Kim writes:
> We don't need explicit 'CMA:' prefix, since we already define prefix
> 'cma:' in pr_fmt. So remove it.
>
> And, some logs print function name and others doesn't. This looks
> bad to me, so I unify log format to print function name consistently.
>
> Lastly, I add one more deb
On Tue, Jun 10, 2014 at 2:50 PM, Linus Torvalds
wrote:
>
> Also, that new drivers/mmc/host/usdhi6rol0.c driver is one f*cking
> noisy compile, and knisr certainly has never been tested in a 64-bit
> environment. Please either fix it, or make it depend on BROKEN.
Guys? Seriously, if that driver is
On Thursday, June 12, 2014 12:39 AM, Alan Stern wrote:
> On Fri, 6 Jun 2014, Vivek Gautam wrote:
>
> > Facilitate getting required 3.3V and 1.0V VDD supply for
> > EHCI controller on Exynos.
> >
> > With patches for regulators' nodes merged in 3.15:
> > c8c253f ARM: dts: Add regulator entries to s
Hi Nicholas,
Today's linux-next merge of the target-updates tree got a conflict in
drivers/scsi/virtio_scsi.c between commit c77fba9ab058 ("virtio_scsi:
don't call virtqueue_add_sgs(... GFP_NOIO) holding spinlock") from the
virtio tree and commit e6dc783a38ec ("virtio-scsi: Enable DIF/DIX modes
in
> I redid my numbers, and I can no longer reproduce the 7x slowdown. I
> do see that if you compile w/o -O2, fast_mix2 is twice as slow. But
> it's not 7x slower.
For my single-round, I needed to drop to 2 loops rather than 3 to match
the speed. That's in the source I posted, but I didn't point
On Mon, May 19, 2014 at 11:07:38AM +0300, Ivan T. Ivanov wrote:
> > +- num-cs: total number of chipselects
>
> My understanding is that "num-cs" have to be parsed by
> master driver, not by core SPI driver.
Right. I need to parse it and check vs the max cs and use that value to set the
maste
On Thu, Jun 12, 2014 at 03:44:34AM +, Nick Krause wrote:
> Hey Fellow Developers,
> This is my first patch so if there are any errors please reply as i will
> fix them. Below is the patch.
> -- drivers/vme/bridges/vme_ca91cx42.h.orig 2014-06-11 22:50:29.339671939
> -0400
> +++ drivers/vme
Hey Fellow Developers,
This is my first patch so if there are any errors please reply as i will
fix them. Below is the patch.
-- drivers/vme/bridges/vme_ca91cx42.h.orig 2014-06-11 22:50:29.339671939
-0400
+++ drivers/vme/bridges/vme_ca91cx42.h 2014-06-11 23:15:36.027685173 -0400
@@ -526,7
On Wed, Jun 11, 2014 at 04:34:19PM +0800, Jet Chen wrote:
> On 06/11/2014 01:59 PM, Julian Anastasov wrote:
> >
> > Hello,
> >
> > On Wed, 11 Jun 2014, Jet Chen wrote:
> >
> >> Hi Wensong,
> >>
> >> 0day kernel testing robot got the below dmesg.
> >>
> >> +---
Just to add to my total confusion about the totally disparate performance
numbers we're seeing, I did some benchmarks on other machines.
The speedup isn't as good one-pass as it is iterated, and as I mentioned
it's slower on a P4, but it's not 7 times slower by any stretch.
There are all 1-iterat
Hi Rusty,
Today's linux-next merge of the virtio tree got a conflict in
drivers/scsi/virtio_scsi.c between commit b54197c43db8 ("virtio_scsi:
use cmd_size") from Linus' tree and commit c77fba9ab058 ("virtio_scsi:
don't call virtqueue_add_sgs(... GFP_NOIO) holding spinlock") from the
virtio tree.
Hi Josh,
On Wed, 11 Jun 2014 11:58:26 -0500, Josh Poimboeuf wrote:
> On Tue, Jun 10, 2014 at 10:50:01AM +, Masami Hiramatsu wrote:
>> Hi,
>>
>> Here is a pair of patches which introduces IPMODIFY flag for
>> ftrace_ops to detect conflicts of ftrace users who can modify
>> regs->ip in their ha
On 06/12/2014 02:44 AM, Thomas Gleixner wrote:
> Oleg noticed that rtmutex_slowtrylock() has a pointless check for
> rt_mutex_owner(lock) != current.
>
> To avoid calling try_to_take_rtmutex() we really want to check whether
> the lock has an owner at all or whether the trylock failed because the
(2014/06/11 16:41), Namhyung Kim wrote:
> Hi Masami,
>
> On Wed, 11 Jun 2014 10:28:01 +0900, Masami Hiramatsu wrote:
>> (2014/06/10 22:53), Namhyung Kim wrote:
>>> Hi Masami,
>>>
>>> 2014-06-10 (화), 10:50 +, Masami Hiramatsu:
Introduce FTRACE_OPS_FL_IPMODIFY to avoid conflict among
f
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Hi Thomas,
Thanks for your patch.
> Why is converting time formats so desired if there are proper
> interfaces for this?
>
> Signed-off-by: Thomas Gleixner
> Cc: Bing Zhao
> Cc: "John W. Linville"
> Cc: linux-wirel...@vger.kernel.org
[...]
> Index: linux/drivers/net/wireless/mwifiex/main.c
On Wed, Jun 11, 2014 at 08:32:49PM -0400, George Spelvin wrote:
> Comparable, but slightly slower. Clearly, I need to do better.
> And you can see the first-iteration effects clearly. Still,
> noting *remotely* like 7x!
I redid my numbers, and I can no longer reproduce the 7x slowdown. I
do see
We can remove one call sites for clear_cma_bitmap() if we first
call it before checking error number.
Signed-off-by: Joonsoo Kim
diff --git a/mm/cma.c b/mm/cma.c
index 1e1b017..01a0713 100644
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -282,11 +282,12 @@ struct page *cma_alloc(struct cma *cma, int count,
Currently, we should take the mutex for manipulating bitmap.
This job may be really simple and short so we don't need to sleep
if contended. So I change it to spinlock.
Signed-off-by: Joonsoo Kim
diff --git a/mm/cma.c b/mm/cma.c
index 22a5b23..3085e8c 100644
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -27,
Currently, there are two users on CMA functionality, one is the DMA
subsystem and the other is the kvm on powerpc. They have their own code
to manage CMA reserved area even if they looks really similar.
>From my guess, it is caused by some needs on bitmap management. Kvm side
wants to maintain bitm
Conventionally, we put output param to the end of param list.
cma_declare_contiguous() doesn't look like that, so change it.
Additionally, move down cma_areas reference code to the position
where it is really needed.
Signed-off-by: Joonsoo Kim
diff --git a/arch/powerpc/kvm/book3s_hv_builtin.c
Currently, there are two users on CMA functionality, one is the DMA
subsystem and the other is the kvm on powerpc. They have their own code
to manage CMA reserved area even if they looks really similar.
>From my guess, it is caused by some needs on bitmap management. Kvm side
wants to maintain bitm
Now, we have general CMA reserved area management framework,
so use it for future maintainabilty. There is no functional change.
Acked-by: Michal Nazarewicz
Acked-by: Paolo Bonzini
Signed-off-by: Joonsoo Kim
diff --git a/arch/powerpc/kvm/book3s_hv_builtin.c
b/arch/powerpc/kvm/book3s_hv_builti
ppc kvm's cma region management requires arbitrary bitmap granularity,
since they want to reserve very large memory and manage this region
with bitmap that one bit for several pages to reduce management overheads.
So support arbitrary bitmap granularity for following generalization.
Signed-off-by:
ppc kvm's cma area management needs alignment constraint on
cma region. So support it to prepare generalization of cma area
management functionality.
Additionally, add some comments which tell us why alignment
constraint is needed on cma region.
Signed-off-by: Joonsoo Kim
diff --git a/drivers/b
To prepare future generalization work on cma area management code,
we need to separate core cma management codes from DMA APIs.
We will extend these core functions to cover requirements of
ppc kvm's cma area management functionality in following patches.
This separation helps us not to touch DMA AP
We should free memory for bitmap when we find zone mis-match,
otherwise this memory will leak.
Additionally, I copy code comment from ppc kvm's cma code to notify
why we need to check zone mis-match.
Signed-off-by: Joonsoo Kim
diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contig
We don't need explicit 'CMA:' prefix, since we already define prefix
'cma:' in pr_fmt. So remove it.
And, some logs print function name and others doesn't. This looks
bad to me, so I unify log format to print function name consistently.
Lastly, I add one more debug log on cma_activate_area().
Si
On Wed, Jun 11, 2014 at 09:02:15PM +0200, Borislav Petkov wrote:
> > +EXPORT_SYMBOL_GPL(cper_mem_err_pack);
>
> Why do we export this one and the one below? What .config warrants this?
>
> CONFIG_ACPI_EXTLOG=m doesn't need them, AFAICT.
>
Right. acpi_extlog doesn't use it. They can be exported l
Mark Brown writes:
> On Wed, Jun 11, 2014 at 03:03:47PM +0930, Rusty Russell wrote:
>
>> drivers/regulator/virtual: avoid world-writable sysfs files.
>
> Acked-by: Mark Brown
>
> if you need to respin - please do send patches to maintainers.
If the address in drivers/regulator/virtual.c is
The following changes since commit ec6931b281797b69e6cf109f9cc94d5a2bf994e0:
word-at-a-time: avoid undefined behaviour in zero_bytemask macro (2014-04-27
15:20:05 -0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux.git
tags/virtio-next-f
On 06/11/2014 05:31 PM, Jan Kara wrote:
> On Wed 11-06-14 22:34:36, Jan Kara wrote:
>> > On Wed 11-06-14 10:55:55, Sasha Levin wrote:
>>> > > On 06/10/2014 11:59 AM, Peter Hurley wrote:
> > > On 06/06/2014 03:05 PM, Sasha Levin wrote:
> > > >> On 05/30/2014 10:07 AM, Jan Kara wrote:
>>
umbled on the following spew:
>> >
>> > [ 3460.136058] =
>> > [ 3460.138017] [ BUG: trinity-c70/27193 still has locks held! ]
>> > [ 3460.141491] 3.15.0-next-20140611-sasha-00022-g9466d2f-dirty #638 Not
>> > tainted
>> >
On 6/11/2014 12:19 PM, Geert Uytterhoeven wrote:
> Hi Laura,
>
> On Wed, Jun 11, 2014 at 7:32 PM, Laura Abbott wrote:
>> On 6/11/2014 4:40 AM, Geert Uytterhoeven wrote:
>>> With current mainline, I get an early crash on r8a7791/koelsch:
>>>
>>> BUG: Bad page state in process swapper pfn:0
>>
Consider the scenario:
For a TCP-style socket, while processing the COOKIE_ECHO chunk in
sctp_sf_do_5_1D_ce(), after it has passed a series of sanity check,
a new association would be created in sctp_unpack_cookie(), but afterwards,
some processing maybe failed, and sctp_association_free() will be
On 06/11/2014 04:24 PM, Borislav Petkov wrote:
> On Wed, Jun 11, 2014 at 03:53:55PM +0800, Lai Jiangshan wrote:
>> When I tried to review the linux kernel on Windows in my laptop
>> and incidentally found that it failed to open the aux.c.
>>
>> And Microsoft tells me:
>> (http://msdn.microsoft.com/
On 2014/6/12 6:08, David Rientjes wrote:
> On Wed, 11 Jun 2014, Zhang Zhen wrote:
>
>> Hi,
>>
>> Now we can hot-add memory by
>>
>> % echo start_address_of_new_memory > /sys/devices/system/memory/probe
>>
>> Then, [start_address_of_new_memory, start_address_of_new_memory +
>> memory_block_size] me
On 06/11/2014 04:24 PM, Borislav Petkov wrote:
> On Wed, Jun 11, 2014 at 03:53:55PM +0800, Lai Jiangshan wrote:
>> When I tried to review the linux kernel on Windows in my laptop
>> and incidentally found that it failed to open the aux.c.
>>
>> And Microsoft tells me:
>> (http://msdn.microsoft.com/
On Wed, Jun 11, 2014 at 04:56:49PM +0200, Vlastimil Babka wrote:
> On 06/09/2014 11:26 AM, Vlastimil Babka wrote:
> > Compaction uses watermark checking to determine if it succeeded in creating
> > a high-order free page. My testing has shown that this is quite racy and it
> > can happen that water
> "Christoph" == Christoph Hellwig writes:
>> Introduce a set of error codes that can be used by the block
>> integrity subsystem to signal which class of error was encountered by
>> either the I/O controller or the storage device.
Christoph> I'd also love to see something catching these so
Hi all,
After merging the net-next tree, today's linux-next build (powerpc
ppc64_defconfig) failed like this:
net/bridge/br_multicast.c: In function 'br_multicast_has_querier_adjacent':
net/bridge/br_multicast.c:2248:25: error: 'struct net_bridge' has no member
named 'ip6_other_query'
if (!ti
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