dri-devel March 2012

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114 participants
646 discussions

[Bug 46725] Monitor "disconnected" and refuses to work anymore
by bugzilla-daemon＠freedesktop.org 12 Mar '12

12 Mar '12

https://bugs.freedesktop.org/show_bug.cgi?id=46725 --- Comment #8 from Tomi Pieviläinen <tomi.pievilainen+freedesktop(a)iki.fi> 2012-03-12 03:17:18 PDT --- Seems like I can reproduce this every time I view a certain photo taken with my phone in feh... -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug.

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[Bug 46725] Monitor "disconnected" and refuses to work anymore
by bugzilla-daemon＠freedesktop.org 12 Mar '12

12 Mar '12

https://bugs.freedesktop.org/show_bug.cgi?id=46725 --- Comment #7 from Tomi Pieviläinen <tomi.pievilainen+freedesktop(a)iki.fi> 2012-03-12 03:15:07 PDT --- This has happened several times more to me. It happens very often when watching a HD video, and some times when viewing photos. Hasn't happened in normal desktop use. I've also noticed that I can get it back on by forcing it off with xrandr, and then back on. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug.

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[Bug 46796] [X800SE] Mouse cursor corruption when switching users
by bugzilla-daemon＠freedesktop.org 12 Mar '12

12 Mar '12

https://bugs.freedesktop.org/show_bug.cgi?id=46796 Michel Dänzer <michel(a)daenzer.net> changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #58066|0 |1 is obsolete| | --- Comment #10 from Michel Dänzer <michel(a)daenzer.net> 2012-03-12 05:13:22 UTC --- Created attachment 58312 --> https://bugs.freedesktop.org/attachment.cgi?id=58312 Verbose test patch with crash fixed (In reply to comment #9) > This patch causes my computer to crash at login. However, it's not a super bad > crash because I was able to ssh in and check dmesg. Sorry about that, here's another test patch which shouldn't crash. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug.

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[PATCH 1/3] staging: drm/omap: avoid multiple planes having same z-order
by Rob Clark 12 Mar '12

12 Mar '12

From: Rob Clark <rob(a)ti.com> Multiple video pipes on same output with same z-order is an undefined behavior. Set a unique z-order value based on overlay number/id. Signed-off-by: Rob Clark <rob(a)ti.com> --- drivers/staging/omapdrm/omap_plane.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/staging/omapdrm/omap_plane.c b/drivers/staging/omapdrm/omap_plane.c index 55ddc58..9b3bfa0 100644 --- a/drivers/staging/omapdrm/omap_plane.c +++ b/drivers/staging/omapdrm/omap_plane.c @@ -439,7 +439,7 @@ struct drm_plane *omap_plane_init(struct drm_device *dev, if (priv) omap_plane->info.zorder = 0; else - omap_plane->info.zorder = 1; + omap_plane->info.zorder = ovl->id; update_manager(plane); -- 1.7.5.4

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[BUG] inconsistent DPMS settings
by David Herrmann 11 Mar '12

11 Mar '12

Hi I was tracing down a bug that made drmModePageFlip() fail and I noticed that the DPMS settings are not correctly restored when switching between xorg-server and vtcon. In fact, when enabling a monitor with xrandr in X while DPMS=off for that monitor, then it will stay blank. Switching back to VT1 and forth to X will enable it, eventually. That is, the VT-switch handler of the xserver seems to correctly reset the DPMS state but the monitor-hotplug handler does not. The same thing happens if I disable a monitor with xrandr and switch back to vtcon. The monitor is enabled again so I can work with both monitors but if I switch to X again and then back to vtcon, then only one monitor is active in vtcon. I can track the DPMS state with /sys/class/drm/card0-<dev>/dpms. However, vtcon doesn't care whether this says On or Off. It sometimes displays even though it is Off or sometimes doesn't display anything even though it is On. Is the DPMS-state even tracked by vtcon/xserver when switching VTs? I expect them to save their state and restore it if I switch back. However, I don't know whether this is the desired behavior. I am using the intel i915 drivers, if that matters. xserver, kernel, mesa etc. are a mixture between most recent release and git-master. Regards David

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3.3-rc7: Reported regressions 3.1 -> 3.2
by Rafael J. Wysocki 11 Mar '12

11 Mar '12

This message contains a list of some post-3.1 regressions introduced before 3.2, for which there are no fixes in the mainline known to the tracking team. If any of them have been fixed already, please let us know. If you know of any other unresolved post-3.1 regressions, please let us know either and we'll add them to the list. Also, please let us know if any of the entries below are invalid. Each entry from the list will be sent additionally in an automatic reply to this message with CCs to the people involved in reporting and handling the issue. Listed regressions statistics: Date Total Pending Unresolved ---------------------------------------- 2012-03-11 9 6 5 2012-03-04 9 8 7 2012-02-24 9 8 7 Unresolved regressions ---------------------- Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42684 Subject : FYIO: usb/video 3.2 breaks logitech 9000pro webcam focus control Submitter : M G Berberich <berberic(a)fmi.uni-passau.de> Date : 2012-01-23 21:49 (49 days old) Message-ID : <20120123214934.GA4240@invalid> References : http://marc.info/?l=linux-kernel&m=132735609521443&w=2 Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42631 Subject : Sound broken in 3.2.0 and 3.2.1 Submitter : Joseph Parmelee <jparmele(a)wildbear.com> Date : 2012-01-13 19:44 (59 days old) Message-ID : <alpine.LNX.2.00.1201131241090.1239@bruno> References : http://marc.info/?l=linux-kernel&m=132648462806235&w=2 Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42629 Subject : recvmsg sleeping from invalid context Submitter : Dave Jones <davej(a)redhat.com> Date : 2012-01-13 18:24 (59 days old) Message-ID : <20120113182401.GA25885(a)redhat.com> References : http://marc.info/?l=linux-kernel&m=132647921304184&w=2 Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42611 Subject : kernel 3.2 crashes too early on HP dc7700 and HP t5000 series Submitter : Dmitry D. Khlebnikov <galaxy(a)openwall.com> Date : 2012-01-10 11:49 (62 days old) Message-ID : <20120110114905.GC13535(a)openwall.com> References : http://marc.info/?l=linux-kernel&m=132619793012702&w=2 Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42610 Subject : 3.2.0 reboot powers off machine Submitter : Tom Weber <l_linux-kernel(a)mail2news.4t2.com> Date : 2012-01-11 11:03 (61 days old) Message-ID : <1326279818.24835.12.camel@utumno> References : http://marc.info/?l=linux-kernel&m=132628059308023&w=2 Regressions with patches ------------------------ Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42571 Subject : BUG in ofcs2_change_file_space Submitter : Bret Towe <magnade(a)gmail.com> Date : 2012-01-05 22:23 (67 days old) Message-ID : <CALjC5haTNDMOTDPL1m1uBTc2a-Qb8cvR44SCaVDFMzGc+Gw3+w(a)mail.gmail.com> References : http://marc.info/?l=linux-kernel&m=132580236211209&w=2 Patch : http://oss.oracle.com/pipermail/ocfs2-devel/2012-January/008464.html For details, please visit the bug entries and follow the links given in references. As you can see, there is a Bugzilla entry for each of the listed regressions. There also is a Bugzilla entry used for tracking the regressions introduced between 3.1 and 3.2, unresolved as well as resolved, at: https://bugzilla.kernel.org/show_bug.cgi?id=42566 Please let the tracking team know if there are any Bugzilla entries that should be added to the list in there. Thanks!

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3.3-rc7: Reported regressions from 3.2
by Rafael J. Wysocki 11 Mar '12

11 Mar '12

This message contains a list of some regressions from 3.2, for which there are no fixes in the mainline known to the tracking team. If any of them have been fixed already, please let us know. If you know of any other unresolved regressions from 3.2, please let us know either and we'll add them to the list. Moreover, when you are reporting a kernel regression, please send a CC of your report to the LKML (or forward it to the LKML if you are not reporting the regression by e-mail) with the word "regression" in the subject, as that will make it much easier for us to find it. Also, please let us know if any of the entries below are invalid. Each entry from the list will be sent additionally in an automatic reply to this message with CCs to the people involved in reporting and handling the issue. Listed regressions statistics: Date Total Pending Unresolved ---------------------------------------- 2012-03-11 26 15 15 2012-03-04 23 15 15 2012-02-23 15 13 13 Unresolved regressions ---------------------- Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42907 Subject : 3.3.0-rc5+git: WARNING: at drivers/gpu/drm/i915/i915_irq.c:652 ironlake_irq_handler+0x4ea/0x500() Submitter : Soeren Sonnenburg <sonne(a)debian.org> Date : 2012-03-05 23:59 (7 days old) Message-ID : <1330991976.9223.16.camel@no> References : http://marc.info/?l=linux-kernel&m=133099242810332&w=2 Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42905 Subject : sound regression in 3.2-rc3 (lenovo laptops) Submitter : Chris Mason <chris.mason(a)oracle.com> Date : 2012-03-05 21:11 (7 days old) First-Bad-Commit: http://git.kernel.org/linus/29c5fbbcfefba5225a6783683c46c39e10877703 Message-ID : <20120305211112.GA4191@shiny> References : http://marc.info/?l=linux-kernel&m=133098194106519&w=2 Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42869 Subject : [3.3-rc1 regression] [nouveau] Spurious TV-out detected Submitter : Andreas Schwab <schwab(a)linux-m68k.org> Date : 2012-03-05 14:21 (7 days old) Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42860 Subject : 3.3.0-rc5: OOps in dql_completed (Broadcom tg3 driver) Submitter : Christoph Lameter <cl(a)gentwo.org> Date : 2012-03-01 21:13 (11 days old) Message-ID : <alpine.DEB.2.00.1203011505510.6685(a)router.home> References : http://marc.info/?l=linux-kernel&m=133063645224373&w=2 Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42850 Subject : [BUG] Kernel Bug at fs/btrfs/volumes.c:3638 Submitter : Nageswara R Sastry <rnsastry(a)linux.vnet.ibm.com> Date : 2012-02-24 10:53 (17 days old) Message-ID : <4F476959.2010400(a)linux.vnet.ibm.com> References : http://marc.info/?l=linux-kernel&m=133008013332251&w=2 Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42823 Subject : WARNING: at block/genhd.c:1465 Submitter : Christian Kujau <lists(a)nerdbynature.de> Date : 2012-02-21 11:00 (20 days old) Message-ID : <alpine.DEB.2.01.1202210246400.4930(a)trent.utfs.org> References : http://marc.info/?l=linux-kernel&m=132982259213941&w=2 Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42822 Subject : [3.3.0-rc3][uvcvideo][regression] oops - uvc_video_clock_update Submitter : Shawn Starr <shawn.starr(a)rogers.com> Date : 2012-02-20 1:08 (21 days old) Message-ID : <5887142.ZMTDAjc4qf(a)segfault.sh0n.net> References : http://marc.info/?l=linux-kernel&m=132970057611642&w=2 Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42821 Subject : alpha: futex regression bisected Submitter : Michael Cree <mcree(a)orcon.net.nz> Date : 2012-02-20 8:20 (21 days old) First-Bad-Commit: http://git.kernel.org/linus/8d7718aa082aaf30a0b4989e1f04858952f941bc Message-ID : <4F420256.2090600(a)orcon.net.nz> References : http://marc.info/?l=linux-kernel&m=132972606917069&w=2 Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42776 Subject : OF-related boot crash in 3.3.0-rc3-00188-g3ec1e88 Submitter : Meelis Roos <mroos(a)linux.ee> Date : 2012-02-13 7:45 (28 days old) Message-ID : <alpine.SOC.1.00.1202130942030.1488(a)math.ut.ee> References : http://marc.info/?l=linux-kernel&m=132911916331615&w=2 http://marc.info/?l=linux-kernel&m=132993294018762&w=2 Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42761 Subject : Possible circular locking dependency (3.3-rc2) Submitter : Felipe Balbi <balbi(a)ti.com> Date : 2012-02-08 12:41 (33 days old) Message-ID : <20120208124147.GF16334(a)legolas.emea.dhcp.ti.com> References : http://marc.info/?l=linux-kernel&m=132870492311858&w=2 Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42746 Subject : 3.3-rc2 snd_pcm lockdep backtrace Submitter : Josh Boyer <jwboyer(a)redhat.com> Date : 2012-02-06 14:56 (35 days old) Message-ID : <20120206145621.GA4771(a)zod.bos.redhat.com> References : http://marc.info/?l=linux-kernel&m=132854040916172&w=2 Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42733 Subject : Regression 3.2 -> 3.3-rc1 10 sec hang at boot and resume, COMRESET failed Submitter : Norbert Preining <preining(a)logic.at> Date : 2012-02-02 5:12 (39 days old) Message-ID : <20120202051258.GA15550(a)gamma.logic.tuwien.ac.at> References : http://marc.info/?l=linux-kernel&m=132815978615112&w=2 Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42713 Subject : Regression in skge that started around acb42a3 (so past v3.3-rc1) Submitter : Konrad Rzeszutek Wilk <konrad.wilk(a)oracle.com> Date : 2012-01-30 15:58 (42 days old) Message-ID : <20120130155816.GA1400(a)phenom.dumpdata.com> References : http://marc.info/?l=linux-kernel&m=132793944220262&w=2 https://lkml.org/lkml/2012/2/6/486 Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42686 Subject : iwlagn is getting even worse with 3.3-rc1 Submitter : Norbert Preining <preining(a)logic.at> Date : 2012-01-24 1:36 (48 days old) Message-ID : <20120124013625.GB18436(a)gamma.logic.tuwien.ac.at> References : http://marc.info/?l=linux-kernel&m=132736918325378&w=2 Bug-Entry : https://bugzilla.kernel.org/show_bug.cgi?id=42678 Subject : [3.3-rc1] radeon stuck in kernel after lockup Submitter : Torsten Kaiser <just.for.lkml(a)googlemail.com> Date : 2012-01-21 19:03 (51 days old) Message-ID : <CAPVoSvSXMvRb=1itu9DjF+s=6zfAChvUxS-x=b8EV9kOZinNpA(a)mail.gmail.com> References : http://marc.info/?l=linux-kernel&m=132717279606670&w=2 Handled-By : Jérôme Glisse <glisse(a)freedesktop.org> For details, please visit the bug entries and follow the links given in references. As you can see, there is a Bugzilla entry for each of the listed regressions. There also is a Bugzilla entry used for tracking the regressions from 3.2, unresolved as well as resolved, at: https://bugzilla.kernel.org/show_bug.cgi?id=42644 Please let the tracking team know if there are any Bugzilla entries that should be added to the list in there. Thanks!

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[V2 PATCH 2/3] module: avoid exporting module_mutex
by Cong Wang 11 Mar '12

11 Mar '12

Avoid exporting internal locks to modules, export two functions lock_modules()/unlock_modules() for them instead. Cc: Rusty Russell <rusty(a)rustcorp.com.au> Signed-off-by: Cong Wang <xiyou.wangcong(a)gmail.com> --- drivers/gpu/drm/drm_fb_helper.c | 4 ++-- include/linux/module.h | 3 ++- kernel/kprobes.c | 4 ++-- kernel/module.c | 24 ++++++++++++++++++------ 4 files changed, 24 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index aada26f..c184759 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -1451,9 +1451,9 @@ static int __init drm_fb_helper_modinit(void) const char *name = "fbcon"; struct module *fbcon; - mutex_lock(&module_mutex); + lock_modules(); fbcon = find_module(name); - mutex_unlock(&module_mutex); + unlock_modules(); if (!fbcon) request_module_nowait(name); diff --git a/include/linux/module.h b/include/linux/module.h index 4598bf0..5cf6428 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -374,7 +374,8 @@ struct module #define MODULE_ARCH_INIT {} #endif -extern struct mutex module_mutex; +extern void lock_modules(void); +extern void unlock_modules(void); /* FIXME: It'd be nice to isolate modules during init, too, so they aren't used before they (may) fail. But presently too much code diff --git a/kernel/kprobes.c b/kernel/kprobes.c index c62b854..0670fb1 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -562,7 +562,7 @@ static __kprobes void kprobe_optimizer(struct work_struct *work) LIST_HEAD(free_list); /* Lock modules while optimizing kprobes */ - mutex_lock(&module_mutex); + lock_modules(); mutex_lock(&kprobe_mutex); /* @@ -587,7 +587,7 @@ static __kprobes void kprobe_optimizer(struct work_struct *work) do_free_cleaned_kprobes(&free_list); mutex_unlock(&kprobe_mutex); - mutex_unlock(&module_mutex); + unlock_modules(); /* Step 5: Kick optimizer again if needed */ if (!list_empty(&optimizing_list) || !list_empty(&unoptimizing_list)) diff --git a/kernel/module.c b/kernel/module.c index f0f8d4a..db402a8 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -95,8 +95,20 @@ * 2) module_use links, * 3) module_addr_min/module_addr_max. * (delete uses stop_machine/add uses RCU list operations). */ -DEFINE_MUTEX(module_mutex); -EXPORT_SYMBOL_GPL(module_mutex); +static DEFINE_MUTEX(module_mutex); + +void lock_modules(void) +{ + mutex_lock(&module_mutex); +} +EXPORT_SYMBOL(lock_modules); + +void unlock_modules(void) +{ + mutex_unlock(&module_mutex); +} +EXPORT_SYMBOL(unlock_modules); + static LIST_HEAD(modules); #ifdef CONFIG_KGDB_KDB struct list_head *kdb_modules = &modules; /* kdb needs the list of modules */ @@ -1713,7 +1725,7 @@ void set_all_modules_text_rw(void) { struct module *mod; - mutex_lock(&module_mutex); + lock_modules(); list_for_each_entry(mod, &modules, list) { if ((mod->module_core) && (mod->core_text_size)) { set_page_attributes(mod->module_core, @@ -1726,7 +1738,7 @@ void set_all_modules_text_rw(void) set_memory_rw); } } - mutex_unlock(&module_mutex); + unlock_modules(); } /* Iterate through all modules and set each module's text as RO */ @@ -1734,7 +1746,7 @@ void set_all_modules_text_ro(void) { struct module *mod; - mutex_lock(&module_mutex); + lock_modules(); list_for_each_entry(mod, &modules, list) { if ((mod->module_core) && (mod->core_text_size)) { set_page_attributes(mod->module_core, @@ -1747,7 +1759,7 @@ void set_all_modules_text_ro(void) set_memory_ro); } } - mutex_unlock(&module_mutex); + unlock_modules(); } #else static inline void set_section_ro_nx(void *base, unsigned long text_size, unsigned long ro_size, unsigned long total_size) { } -- 1.7.7.6

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[Bug 46796] [X800SE] Mouse cursor corruption when switching users
by bugzilla-daemon＠freedesktop.org 11 Mar '12

11 Mar '12

https://bugs.freedesktop.org/show_bug.cgi?id=46796 --- Comment #9 from jonathan <jonathan.voss(a)gmail.com> 2012-03-10 17:04:58 PST --- This patch causes my computer to crash at login. However, it's not a super bad crash because I was able to ssh in and check dmesg. The comment did not appear. Just to make sure it wasn't something I did when trying to compile a kernel, I reversed the patch and recompiled, and I'm running that kernel now, so I'm pretty sure it's the patch. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug.

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[PATCH 2/2] module: avoid exporting module_mutex
by Cong Wang 10 Mar '12

10 Mar '12

Avoid exporting internal locks to modules, export two functions lock_modules()/unlock_modules() for them instead. Cc: Rusty Russell <rusty(a)rustcorp.com.au> Signed-off-by: Cong Wang <xiyou.wangcong(a)gmail.com> --- drivers/gpu/drm/drm_fb_helper.c | 4 ++-- include/linux/module.h | 3 ++- kernel/kprobes.c | 4 ++-- kernel/module.c | 16 ++++++++++++++-- 4 files changed, 20 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index aada26f..c184759 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -1451,9 +1451,9 @@ static int __init drm_fb_helper_modinit(void) const char *name = "fbcon"; struct module *fbcon; - mutex_lock(&module_mutex); + lock_modules(); fbcon = find_module(name); - mutex_unlock(&module_mutex); + unlock_modules(); if (!fbcon) request_module_nowait(name); diff --git a/include/linux/module.h b/include/linux/module.h index 4598bf0..5cf6428 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -374,7 +374,8 @@ struct module #define MODULE_ARCH_INIT {} #endif -extern struct mutex module_mutex; +extern void lock_modules(void); +extern void unlock_modules(void); /* FIXME: It'd be nice to isolate modules during init, too, so they aren't used before they (may) fail. But presently too much code diff --git a/kernel/kprobes.c b/kernel/kprobes.c index c62b854..0670fb1 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -562,7 +562,7 @@ static __kprobes void kprobe_optimizer(struct work_struct *work) LIST_HEAD(free_list); /* Lock modules while optimizing kprobes */ - mutex_lock(&module_mutex); + lock_modules(); mutex_lock(&kprobe_mutex); /* @@ -587,7 +587,7 @@ static __kprobes void kprobe_optimizer(struct work_struct *work) do_free_cleaned_kprobes(&free_list); mutex_unlock(&kprobe_mutex); - mutex_unlock(&module_mutex); + unlock_modules(); /* Step 5: Kick optimizer again if needed */ if (!list_empty(&optimizing_list) || !list_empty(&unoptimizing_list)) diff --git a/kernel/module.c b/kernel/module.c index e0b12f7..1165d5d 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -95,8 +95,20 @@ * 2) module_use links, * 3) module_addr_min/module_addr_max. * (delete uses stop_machine/add uses RCU list operations). */ -DEFINE_MUTEX(module_mutex); -EXPORT_SYMBOL_GPL(module_mutex); +static DEFINE_MUTEX(module_mutex); + +void lock_modules(void) +{ + mutex_lock(&module_mutex); +} +EXPORT_SYMBOL(lock_modules); + +void unlock_modules(void) +{ + mutex_unlock(&module_mutex); +} +EXPORT_SYMBOL(unlock_modules); + static LIST_HEAD(modules); #ifdef CONFIG_KGDB_KDB struct list_head *kdb_modules = &modules; /* kdb needs the list of modules */ -- 1.7.7.6

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dri-devel March 2012