2016-07-31 8:22 GMT+02:00 Mateusz Guzik :
> On Tue, Jul 26, 2016 at 02:44:48PM +0200, Marcin Ślusarz wrote:
>> Hey
>>
>> I have a simple program that mmaps 8MB of anonymous memory, spawns 16
>> threads, reads /proc/self/smaps in each thread and looks up whether
>&g
Hey
I have a simple program that mmaps 8MB of anonymous memory, spawns 16
threads, reads /proc/self/smaps in each thread and looks up whether
mapped address can be found in smaps. From time to time it's not there.
Is this supposed to work reliably?
My guess is that libc functions allocate memory
Commit-ID: 89fee59b504f86925894fcc9ba79d5c933842f93
Gitweb: http://git.kernel.org/tip/89fee59b504f86925894fcc9ba79d5c933842f93
Author: Marcin Ślusarz
AuthorDate: Tue, 19 Jan 2016 20:03:03 +0100
Committer: Arnaldo Carvalho de Melo
CommitDate: Fri, 5 Feb 2016 09:39:56 -0300
perf tools
On Tue, Jan 19, 2016 at 08:03:03PM +0100, Marcin Ślusarz wrote:
> Steam frequently puts game binaries in folders with spaces.
>
> Note: "(deleted)" markers are now treated as part of the file name.
>
> It probably worked before 6064803313bad9ae4cae233a9d56678adb2b6e7c
&
Steam frequently puts game binaries in folders with spaces.
Note: "(deleted)" markers are now treated as part of the file name.
It probably worked before 6064803313bad9ae4cae233a9d56678adb2b6e7c
("perf tools: Use sscanf for parsing /proc/pid/maps").
Signed-off-by: Marcin Ś
cely even in the face of concurrent CPU-hotplug operations.
> > > >
> > > > Furthermore, in recent kernels, invoking get_online_cpus() from an
> > > > OOM
> > > > notifier can result in deadlock. This commit therefore removes the
> > > >
[28954.363492] ==
[28954.363492] [ INFO: possible circular locking dependency detected ]
[28954.363494] 4.1.2 #56 Not tainted
[28954.363494] ---
[28954.363495] pm-suspend/16647 is trying to acqui
2013/8/15 Maarten Lankhorst :
> A fence can be attached to a buffer which is being filled or consumed
> by hw, to allow userspace to pass the buffer without waiting to another
> device. For example, userspace can call page_flip ioctl to display the
> next frame of graphics after kicking the GPU bu
On Thu, Dec 13, 2007 at 02:31:11AM -0800, Andrew Morton wrote:
> On Sun, 9 Dec 2007 22:40:31 +0100 Marcin Ślusarz <[EMAIL PROTECTED]> wrote:
>
> > logo: move declarations of logos to linux_logo.h
> >
> > there was a mismatch between externs in logo.c and code gener
On Tue, Dec 11, 2007 at 09:50:32PM -0500, Dave Jones wrote:
> On Tue, Dec 11, 2007 at 04:57:00PM -0800, Andrew Morton wrote:
>
> > > --- a/drivers/video/console/fbcon.c
> > > +++ b/drivers/video/console/fbcon.c
> > > @@ -2795,7 +2795,7 @@ static int fbcon_scrolldelta(struct vc_data *vc,
> int l
logo: move declarations of logos to linux_logo.h
there was a mismatch between externs in logo.c and code generated by pnmtologo
(on old tree, you need to rm drivers/video/logo/logo_*.c before compilation)
Signed-off-by: Marcin Ślusarz <[EMAIL PROTECTED]>
---
drivers/video/logo/logo.c
fbcon: fix sparse warning about shadowing 'rotate' symbol
Signed-off-by: Marcin Ślusarz <[EMAIL PROTECTED]>
---
drivers/video/console/fbcon.c | 12 ++--
1 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/video/console/fbcon.c b/drivers/video/conso
fbcon: fix sparse warning about shadowing 'p' symbol
Signed-off-by: Marcin Ślusarz <[EMAIL PROTECTED]>
---
drivers/video/console/fbcon.c | 10 +-
1 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon
vgacon: fix sparse warning about shadowing 'i' symbol
Signed-off-by: Marcin Ślusarz <[EMAIL PROTECTED]>
---
drivers/video/console/vgacon.c |2 --
1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon
ehci-hcd: fix sparse warning about shadowing 'status' symbol
Signed-off-by: Marcin Ślusarz <[EMAIL PROTECTED]>
---
drivers/usb/host/ehci-hcd.c |8
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd
usb/storage/initializers.c: fix signedness difference
Signed-off-by: Marcin Ślusarz <[EMAIL PROTECTED]>
---
drivers/usb/storage/initializers.c |3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/storage/initializers.c
b/drivers/usb/storage/initializers.c
usbdevfs_urb: __user annotation
Signed-off-by: Marcin Ślusarz <[EMAIL PROTECTED]>
---
include/linux/usbdevice_fs.h |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/include/linux/usbdevice_fs.h b/include/linux/usbdevice_fs.h
index 8ca5a7f..17cb108 100644
--- a/i
asm-*/compat.h: fix typo in comment
Signed-off-by: Marcin Ślusarz <[EMAIL PROTECTED]>
---
include/asm-ia64/compat.h|2 +-
include/asm-mips/compat.h|2 +-
include/asm-parisc/compat.h |2 +-
include/asm-powerpc/compat.h |2 +-
include/asm-s390/compat.h
sound/core/seq: move declarations of globally visible variables to proper
headers
Signed-off-by: Marcin Ślusarz <[EMAIL PROTECTED]>
---
sound/core/seq/seq_clientmgr.c |2 --
sound/core/seq/seq_clientmgr.h |2 ++
sound/core/seq/seq_timer.c |7 ---
sound/core/seq/seq_t
sound/core/memory.c: include sound/core.h
copy_to_user_fromio and copy_from_user_toio are declared in sound/core.h
but sound/core/memory.c doesn't include it - fix it
depends on: "[PATCH] sound/core.h: include sound/driver.h"
Signed-off-by: Marcin Ślusarz <[EMAIL PROTECTED
sound/core.h: include sound/driver.h
include sound/driver.h in sound/core.h because core.h
uses SNDRV_CARDS (which is defined in sound/driver.h)
Signed-off-by: Marcin Ślusarz <[EMAIL PROTECTED]>
---
include/sound/core.h |1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff -
info_oss: move prototype of snd_card_info_read_oss to info.h
Signed-off-by: Marcin Ślusarz <[EMAIL PROTECTED]>
---
include/sound/info.h |2 ++
sound/core/info_oss.c |2 --
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/sound/info.h b/include/sound/info.h
rawmidi: let sparse know what is going on _for real_
snd_rawmidi_kernel_read1/write1 weren't annotated but used
copy_to_user/copy_from_user when one of parameters (kernel) was equal to 0
remove it and add properly annotated parameter
Signed-off-by: Marcin Ślusarz <[EMAIL PROTECTED]>
pcm_lib: fix sparse warning about different signedness
Signed-off-by: Marcin Ślusarz <[EMAIL PROTECTED]>
---
sound/core/pcm_lib.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 653fb5c..f2c3cf3 100644
--- a/soun
pcm_lib: fix sparse warning about shadowing 'n' symbol
Signed-off-by: Marcin Ślusarz <[EMAIL PROTECTED]>
---
sound/core/pcm_lib.c | 12 ++--
1 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 806f1fb..653f
via82xx: minor optimization in snd_via82xx_free
don't check X, when we just checked !X before goto
Signed-off-by: Marcin Ślusarz <[EMAIL PROTECTED]>
---
sound/pci/via82xx.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/sound/pci/via82xx.c b/sound/pci/via8
pcm_native: fix sparse warning about shadowing 'state' symbol
Signed-off-by: Marcin Ślusarz <[EMAIL PROTECTED]>
---
sound/core/pcm_native.c |6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index
fix trivial coding style issues found by checkpatch.pl:
- assignments in if conditions
- trailing whitespaces
- lines longer then 80 characters (only a couple of them)
- spaces instead of tabs
- spaces after !
- C99 comments
- other tiny changes
Signed-off-by: Marcin Ślusarz <[EMAIL PROTEC
Hi
While fighting with Option Globesurfer ICON USB modem I got oops and
lockdep warning:
(on rmmod option usbserial, not reproducible)
usbcore: deregistering interface driver option
drivers/usb/serial/usb-serial.c: USB Serial deregistering driver GSM
modem (1-port)
option1 ttyUSB3: GSM modem (1-p
2007/8/12, Thomas Gleixner <[EMAIL PROTECTED]>:
> The delayed irq disable functionality introduced a bug due to
> retriggering level type interrupts in case of the delayed disable. The
> resulting problem was discussed and debugged here:
> http://marc.info/?l=linux-kernel&m=118202978609968&w=2
>
>
2007/8/10, Ingo Molnar <[EMAIL PROTECTED]>:
> Index: linux/arch/i386/kernel/io_apic.c
> ===
> --- linux.orig/arch/i386/kernel/io_apic.c
> +++ linux/arch/i386/kernel/io_apic.c
> @@ -735,7 +735,8 @@ void fastcall send_IPI_self(int vector
2007/8/10, Jarek Poplawski <[EMAIL PROTECTED]>:
> (..)
> I think, there is this one possible for your testing yet?:
> Subject: [patch] genirq: temporary fix for level-triggered IRQ resend
> Date: Wed, 8 Aug 2007 13:00:37 +0200
I think I already tested this patch, but this thread is sooo big and I
c
2007/8/7, Jarek Poplawski <[EMAIL PROTECTED]>:
> And here is one more patch to test the same idea (chip->retrigger()).
> Let's try i386 way! (I hope I will not be arrested for this...)
> (Should be tested without any previous patches.)
>
> Jarek P.
>
> PS: as above
>
> ---
>
> diff -Nurp 2.6.22.1-/
2007/8/7, Jarek Poplawski <[EMAIL PROTECTED]>:
> So, the let's try this idea yet: modified Ingo's "x86: activate
> HARDIRQS_SW_RESEND" patch.
> (Don't forget about make oldconfig before make.)
> For testing only.
>
> Cheers,
> Jarek P.
>
> PS: alas there was not even time for "compile checking"...
2007/8/6, Ingo Molnar <[EMAIL PROTECTED]>:
> (..)
> please try Jarek's second patch too - there was a missing unmask.
>
> Ingo
>
> -->
> Subject: genirq: fix simple and fasteoi irq handlers
> From: Jarek Poplawski <[EMAIL PROTECTED]>
>
> After the "genirq: do not mask interrupts
2007/8/6, Ingo Molnar <[EMAIL PROTECTED]>:
>
> * Jarek Poplawski <[EMAIL PROTECTED]> wrote:
>
> > Subject: genirq: fix simple and fasteoi irq handlers
> >
> > After the "genirq: do not mask interrupts by default" patch interrupts
> > should be disabled not immediately upon request, but after they
>
2007/8/3, Jarek Poplawski <[EMAIL PROTECTED]>:
> Hi,
>
> I can't guarantee this is all needed to fix this bug, but I think
> this patch is necessary here.
>
> Regards,
> Jarek P.
> >
>
> Subject: genirq: fix simple and fasteoi irq handlers
>
> After the "genirq: do not mask interrupts b
2007/7/31, Jarek Poplawski <[EMAIL PROTECTED]>:
> Marcin,
>
> I see you're quite busy, but if after testing this next Ingo's patch
> you are alive yet, maybe you could try one more "idea"? No patch this
> time, but if you could try this after adding boot option "noirqdebug"
> (I'd like to be sure i
2007/8/1, Ingo Molnar <[EMAIL PROTECTED]>:
> ok, it wasnt supposed to be _that_ easy i guess :-) Can you please
> (re-)confirm that the workaround below indeed fixes the hung card
> problem? (after producing a single WARN_ON message into the syslog)
yes, with this patch everything works fine
end o
2007/8/3, Jarek Poplawski <[EMAIL PROTECTED]>:
> On Fri, Aug 03, 2007 at 10:04:08AM +0200, Ingo Molnar wrote:
> >
> > * Jarek Poplawski <[EMAIL PROTECTED]> wrote:
> >
> > > I can't guarantee this is all needed to fix this bug, but I think this
> > > patch is necessary here.
> >
> > hmmm ... very in
2007/7/30, Ingo Molnar <[EMAIL PROTECTED]>:
> (..)
> does the patch below fix those timeouts? It tests the theory whether any
> POST latency could expose this problem.
>
> Ingo
>
> Index: linux/drivers/net/lib8390.c
> ===
> ---
2007/7/26, Ingo Molnar <[EMAIL PROTECTED]>:
> (..)
> yeah - i meant to cover both arches but forgot about x86_64 - updated
> patch attached below.
>
> Ingo
>
> ->
> Subject: x86: activate HARDIRQS_SW_RESEND
> From: Ingo Molnar <[EMAIL PROTECTED]>
>
> activate the software-tr
2007/7/25, Thomas Gleixner <[EMAIL PROTECTED]>:
(...)
I've tested Jarek's patch, 2 Ingo's patches (2nd and 3rd) and Thomas'
patch (one patch at time of course) - all of them fixed the problem,
but the last one flooded my logs with "Skip resend for irq 17". All
tests were done on 2.6.21.3.
I wa
Ok, I've bisected this problem and found that this patch broke my NIC:
76d2160147f43f982dfe881404cfde9fd0a9da21 is first bad commit
commit 76d2160147f43f982dfe881404cfde9fd0a9da21
Author: Ingo Molnar <[EMAIL PROTECTED]>
Date: Fri Feb 16 01:28:24 2007 -0800
[PATCH] genirq: do not mask interr
2007/6/19, Jarek Poplawski <[EMAIL PROTECTED]>:
On Mon, Jun 18, 2007 at 08:10:00AM -0700, Stephen Hemminger wrote:
> On Mon, 18 Jun 2007 13:08:49 +0200
> Jarek Poplawski <[EMAIL PROTECTED]> wrote:
>
> > On 16-06-2007 23:35, Marcin .lusarz wrote:
> > > hi
> > > after upgrading kernel from 2.6.20 t
[ 170.012538]
[ 170.012540] ===
[ 170.012545] [ INFO: possible circular locking dependency detected ]
[ 170.012547] 2.6.21.3 #1
[ 170.012549] ---
[ 170.012551] tvtime/6727 is trying to acq
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