On Tue, Apr 09, 2024 at 04:29:42PM +0800, David Gow wrote:
> > +ifeq ($(CCONFIG_KUNIT_SUPPRESS_BACKTRACE),y)
>
> s/CCONFIG_/CONFIG_/ ?
>
>
Odd, I know I tested this (and it still works ;-).
The additional "C" must have slipped in at some point.
Thanks for noticing!
Guenter
On Wed, Apr 03, 2024 at 06:34:12PM -0700, Jakub Kicinski wrote:
> On Wed, 3 Apr 2024 06:19:27 -0700 Guenter Roeck wrote:
> > dev_addr_lists_test generates lock warning noise at the end of tests
> > if lock debugging is enabled. There are two sets of warnings.
> >
> &g
for _EMIT_BUG_ENTRY
to make kerneldoc happy.
Reported-by: Simon Horman
Cc: Simon Horman
Cc: Yoshinori Sato
Cc: Rich Felker
Cc: John Paul Adrian Glaubitz
Signed-off-by: Guenter Roeck
---
v3: Added patch. Possibly squash into previous patch.
arch/sh/include/asm/bug.h | 16 +---
1 file
Acked-by: Dan Carpenter
Cc: Michael Ellerman
Signed-off-by: Guenter Roeck
---
v2:
- Rebased to v6.9-rc1
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
- Introduced KUNIT_SUPPRESS_BACKTRACE configuration option
v3:
- Rebased to v6.9-rc2
arch/powerpc/include/asm/bug.h | 37
the __BUG_ENTRY_ADDR and
__BUG_ENTRY_FILE macros into a single macro named __BUG_REL() which takes
the address, file, or function reference as parameter.
Tested-by: Linux Kernel Functional Testing
Acked-by: Dan Carpenter
Cc: Paul Walmsley
Cc: Palmer Dabbelt
Cc: Albert Ou
Signed-off-by: Guenter Roeck
Acked-by: Dan Carpenter
Cc: Yoshinori Sato
Cc: Rich Felker
Cc: John Paul Adrian Glaubitz
Signed-off-by: Guenter Roeck
---
v2:
- Rebased to v6.9-rc1
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
- Introduced KUNIT_SUPPRESS_BACKTRACE configuration option
v3:
- Rebased to v6.9-rc2
arch/sh
Acked-by: Dan Carpenter
Cc: Heiko Carstens
Cc: Vasily Gorbik
Cc: Alexander Gordeev
Signed-off-by: Guenter Roeck
---
v2:
- Rebased to v6.9-rc1 (simplified assembler changes after upstream commit
3938490e78f4 ("s390/bug: remove entry size from __bug_table section")
- Added Tested-
Acked-by: Dan Carpenter
Cc: Huacai Chen
Signed-off-by: Guenter Roeck
---
v2:
- Rebased to v6.9-rc1; resolved context conflict
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
- Introduced KUNIT_SUPPRESS_BACKTRACE configuration option
v3:
- Rebased to v6.9-rc2; resolved context conflict
arch
as constants where possible.
Refine .blockz instructions to calculate the necessary padding instead
of using fixed values.
Tested-by: Linux Kernel Functional Testing
Acked-by: Dan Carpenter
Acked-by: Helge Deller
Signed-off-by: Guenter Roeck
---
v2:
- Rebased to v6.9-rc1
- Added Tested-by:, Acked
Acked-by: Dan Carpenter
Reviewed-by: Kees Cook
Signed-off-by: Guenter Roeck
---
v2:
- Rebased to v6.9-rc1
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
- Introduced KUNIT_SUPPRESS_BACKTRACE configuration option
v3:
- Rebased to v6.9-rc2
lib/kunit/Makefile | 7 +-
lib
Acked-by: Dan Carpenter
Cc: Catalin Marinas
Cc: Will Deacon
Signed-off-by: Guenter Roeck
---
v2:
- Rebased to v6.9-rc1
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
- Introduced KUNIT_SUPPRESS_BACKTRACE configuration option
v3:
- Rebased to v6.9-rc2
arch/arm64/include/asm/asm-bug.h | 29
Acked-by: Dan Carpenter
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: Borislav Petkov
Cc: Dave Hansen
Signed-off-by: Guenter Roeck
---
v2:
- Rebased to v6.9-rc1
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
- Introduced KUNIT_SUPPRESS_BACKTRACE configuration option
v3:
- Rebased to v6.9-rc2
.
Tested-by: Linux Kernel Functional Testing
Cc: David Gow
Cc: Jakub Kicinski
Cc: Eric Dumazet
Acked-by: Dan Carpenter
Signed-off-by: Guenter Roeck
---
v2:
- Rebased to v6.9-rc1
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
v3:
- Rebased to v6.9-rc2
net/core/dev_addr_lists_test.c | 6
log and distraction from real problems.
Tested-by: Linux Kernel Functional Testing
Acked-by: Dan Carpenter
Acked-by: Maíra Canal
Cc: Maarten Lankhorst
Cc: David Airlie
Cc: Daniel Vetter
Signed-off-by: Guenter Roeck
---
v2:
- Rebased to v6.9-rc1
- Added Tested-by:, Acked-by:, and Reviewed
Document API functions for suppressing warning backtraces.
Tested-by: Linux Kernel Functional Testing
Acked-by: Dan Carpenter
Reviewed-by: Kees Cook
Signed-off-by: Guenter Roeck
---
v2:
- Rebased to v6.9-rc1
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
v3:
- Rebased to v6.9-rc2
Cc: Daniel Diaz
Cc: Naresh Kamboju
Cc: Kees Cook
Tested-by: Linux Kernel Functional Testing
Acked-by: Dan Carpenter
Reviewed-by: Kees Cook
Signed-off-by: Guenter Roeck
---
v2:
- Rebased to v6.9-rc1
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
- Added CONFIG_KUNIT_SUPPRESS_BACKTRACE con
/asm/bug.h
to avoid kerneldoc warning
- Added architecture maintainers to Cc: for architecture specific patches
- No functional changes
--------
Guenter Roeck (15):
bug/kunit: Core support for suppressing warning backtraces
kunit:
.
Acked-by: Dan Carpenter
Reviewed-by: Kees Cook
Tested-by: Linux Kernel Functional Testing
Signed-off-by: Guenter Roeck
---
v2:
- Rebased to v6.9-rc1
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
- Introduced KUNIT_SUPPRESS_BACKTRACE configuration option
v3:
- Rebased to v6.9-rc2
include
On Wed, Mar 27, 2024 at 07:39:20PM +, Simon Horman wrote:
[ ... ]
> > >
> > > Hi Guenter,
> > >
> > > a minor nit from my side: this change results in a Kernel doc warning.
> > >
> > > .../bug.h:29: warning: expecting prototype for _EMIT_BUG_ENTRY().
> > > Prototype was for
On 3/27/24 07:44, Simon Horman wrote:
On Mon, Mar 25, 2024 at 10:52:46AM -0700, Guenter Roeck wrote:
Add name of functions triggering warning backtraces to the __bug_table
object section to enable support for suppressing WARNING backtraces.
To limit image size impact, the pointer
On 3/25/24 18:09, Maíra Canal wrote:
On 3/25/24 16:24, Guenter Roeck wrote:
Hi,
On Mon, Mar 25, 2024 at 04:05:06PM -0300, Maíra Canal wrote:
Hi Guenter,
On 3/25/24 14:52, Guenter Roeck wrote:
The drm_test_rect_calc_hscale and drm_test_rect_calc_vscale unit tests
intentionally trigger
Hi,
On Mon, Mar 25, 2024 at 04:05:06PM -0300, Maíra Canal wrote:
> Hi Guenter,
>
> On 3/25/24 14:52, Guenter Roeck wrote:
> > The drm_test_rect_calc_hscale and drm_test_rect_calc_vscale unit tests
> > intentionally trigger warning backtraces by providing bad paramet
Acked-by: Dan Carpenter
Signed-off-by: Guenter Roeck
---
- Rebased to v6.9-rc1; resolved context conflict
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
- Introduced KUNIT_SUPPRESS_BACKTRACE configuration option
arch/loongarch/include/asm/bug.h | 38 +++-
1 file
Acked-by: Dan Carpenter
Signed-off-by: Guenter Roeck
---
- Rebased to v6.9-rc1
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
- Introduced KUNIT_SUPPRESS_BACKTRACE configuration option
arch/arm64/include/asm/asm-bug.h | 29 +++--
arch/arm64/include/asm/bug.h | 8
Acked-by: Dan Carpenter
Signed-off-by: Guenter Roeck
---
- Rebased to v6.9-rc1
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
- Introduced KUNIT_SUPPRESS_BACKTRACE configuration option
arch/powerpc/include/asm/bug.h | 37 +-
1 file changed, 28 insertions(+), 9
Acked-by: Dan Carpenter
Signed-off-by: Guenter Roeck
---
- Rebased to v6.9-rc1 (simplified assembler changes after upstream commit
3938490e78f4 ("s390/bug: remove entry size from __bug_table section")
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
- Introduced KUNIT_SUPPRESS
the __BUG_ENTRY_ADDR and
__BUG_ENTRY_FILE macros into a single macro named __BUG_REL() which takes
the address, file, or function reference as parameter.
Tested-by: Linux Kernel Functional Testing
Acked-by: Dan Carpenter
Signed-off-by: Guenter Roeck
---
- Rebased to v6.9-rc1
- Added Tested-by:, Acked
as constants where possible.
Refine .blockz instructions to calculate the necessary padding instead
of using fixed values.
Tested-by: Linux Kernel Functional Testing
Acked-by: Dan Carpenter
Acked-by: Helge Deller
Signed-off-by: Guenter Roeck
---
- Rebased to v6.9-rc1
- Added Tested-by:, Acked
Acked-by: Dan Carpenter
Signed-off-by: Guenter Roeck
---
- Rebased to v6.9-rc1
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
- Introduced KUNIT_SUPPRESS_BACKTRACE configuration option
arch/sh/include/asm/bug.h | 26 ++
1 file changed, 22 insertions(+), 4 deletions
Acked-by: Dan Carpenter
Signed-off-by: Guenter Roeck
---
- Rebased to v6.9-rc1
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
- Introduced KUNIT_SUPPRESS_BACKTRACE configuration option
arch/x86/include/asm/bug.h | 21 -
1 file changed, 16 insertions(+), 5 deletions(-)
diff
log.
Tested-by: Linux Kernel Functional Testing
Acked-by: Dan Carpenter
Signed-off-by: Guenter Roeck
---
- Rebased to v6.9-rc1
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
drivers/gpu/drm/tests/drm_rect_test.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm
-by: Linux Kernel Functional Testing
Cc: David Gow
Cc: Jakub Kicinski
Acked-by: Dan Carpenter
Signed-off-by: Guenter Roeck
---
- Rebased to v6.9-rc1
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
net/core/dev_addr_lists_test.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/net/core
Cc: Daniel Diaz
Cc: Naresh Kamboju
Cc: Kees Cook
Tested-by: Linux Kernel Functional Testing
Acked-by: Dan Carpenter
Reviewed-by: Kees Cook
Signed-off-by: Guenter Roeck
---
v2:
- Rebased to v6.9-rc1
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
- Added CONFIG_KUNIT_SUPPRESS_BACKTRACE con
Document API functions for suppressing warning backtraces.
Tested-by: Linux Kernel Functional Testing
Acked-by: Dan Carpenter
Reviewed-by: Kees Cook
Signed-off-by: Guenter Roeck
---
- Rebased to v6.9-rc1
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
Documentation/dev-tools/kunit
.
Acked-by: Dan Carpenter
Reviewed-by: Kees Cook
Tested-by: Linux Kernel Functional Testing
Signed-off-by: Guenter Roeck
---
- Rebased to v6.9-rc1
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
- Introduced KUNIT_SUPPRESS_BACKTRACE configuration option
include/kunit/bug.h | 7 ++-
lib
Acked-by: Dan Carpenter
Reviewed-by: Kees Cook
Signed-off-by: Guenter Roeck
---
- Rebased to v6.9-rc1
- Added Tested-by:, Acked-by:, and Reviewed-by: tags
- Introduced KUNIT_SUPPRESS_BACKTRACE configuration option
lib/kunit/Makefile | 7 +-
lib/kunit/backtrace-suppression
Some unit tests intentionally trigger warning backtraces by passing bad
parameters to kernel API functions. Such unit tests typically check the
return value from such calls, not the existence of the warning backtrace.
Such intentionally generated warning backtraces are neither desirable
nor
On 3/23/24 09:43, Marek Behún wrote:
A few drivers register a devm action to remove a debugfs directory,
implementing a one-liner function that calls debufs_remove_recursive().
Help drivers avoid this repeated implementations by adding managed
version of debugfs directory create function.
Use
On 3/18/24 06:28, Lucas De Marchi wrote:
On Sun, Mar 17, 2024 at 09:14:14AM -0700, Guenter Roeck wrote:
Hi,
On Thu, Jan 18, 2024 at 04:16:12PM -0800, Lucas De Marchi wrote:
Now that all the issues with 32bits are fixed, enable it again.
Reviewed-by: Matt Roper
Signed-off-by: Lucas De Marchi
On 3/18/24 06:28, Lucas De Marchi wrote:
On Sun, Mar 17, 2024 at 09:14:14AM -0700, Guenter Roeck wrote:
Hi,
On Thu, Jan 18, 2024 at 04:16:12PM -0800, Lucas De Marchi wrote:
Now that all the issues with 32bits are fixed, enable it again.
Reviewed-by: Matt Roper
Signed-off-by: Lucas De Marchi
"
do not scale. Remove COMPILE_TEST support for the suni4 drm driver instead
to ensure that test builds are only performed on supported architectures.
Fixes: 358e76fd613a ("drm/sun4i: hdmi: Consolidate atomic_check and mode_valid")
Signed-off-by: Guenter Roeck
---
drivers/gpu/drm
Hi,
recently there was a suggestion that drm build tests on architectures
such as xtensa should not happen or not be reported. The current mainline
kernel experiences a number of drm related build failures.
Building csky:allmodconfig ... failed
--
Error log:
ERROR: modpost:
On 3/14/24 07:37, Guenter Roeck wrote:
On 3/14/24 06:36, Geert Uytterhoeven wrote:
Hi Günter,
On Tue, Mar 12, 2024 at 6:03 PM Guenter Roeck wrote:
Some unit tests intentionally trigger warning backtraces by passing bad
parameters to kernel API functions. Such unit tests typically check
s signaled out of band like with Type C.
>
> Fixes: c943b4948b58 ("drm/msm/dp: add displayPort driver support")
> Signed-off-by: Douglas Anderson
Reviewed-by: Guenter Roeck
> ---
>
> Changes in v2:
> - Don't look at the HPD line directly; have dp_display call us.
>
On 3/14/24 08:02, Maxime Ripard wrote:
On Thu, Mar 14, 2024 at 07:37:13AM -0700, Guenter Roeck wrote:
On 3/14/24 06:36, Geert Uytterhoeven wrote:
Hi Günter,
On Tue, Mar 12, 2024 at 6:03 PM Guenter Roeck wrote:
Some unit tests intentionally trigger warning backtraces by passing bad
On 3/14/24 06:36, Geert Uytterhoeven wrote:
Hi Günter,
On Tue, Mar 12, 2024 at 6:03 PM Guenter Roeck wrote:
Some unit tests intentionally trigger warning backtraces by passing bad
parameters to kernel API functions. Such unit tests typically check the
return value from such calls
On 3/14/24 00:57, Geert Uytterhoeven wrote:
Hi Günter,
On Tue, Mar 12, 2024 at 6:06 PM Guenter Roeck wrote:
Add name of functions triggering warning backtraces to the __bug_table
object section to enable support for suppressing WARNING backtraces.
To limit image size impact, the pointer
On Tue, Mar 12, 2024 at 5:14 PM Douglas Anderson wrote:
>
> As documented in the description of the transfer() function of
> "struct drm_dp_aux", the transfer() function can be called at any time
> regardless of the state of the DP port. Specifically if the kernel has
> the DP AUX character
are enabled. Otherwise, the __func__ assembly parameter is replaced with a
(dummy) NULL parameter to avoid an image size increase due to unused
__func__ entries (this is necessary because __func__ is not a define but a
virtual variable).
Signed-off-by: Guenter Roeck
---
arch/sh/include/asm/bug.h | 26
are enabled. Otherwise, the __func__ assembly parameter is replaced with a
(dummy) NULL parameter to avoid an image size increase due to unused
__func__ entries (this is necessary because __func__ is not a define but a
virtual variable).
Signed-off-by: Guenter Roeck
---
arch/powerpc/include/asm/bug.h
and
__BUG_ENTRY_FILE macros into a single macro named __BUG_REL() which takes
the address, file, or function reference as parameter.
Signed-off-by: Guenter Roeck
---
arch/riscv/include/asm/bug.h | 38
1 file changed, 26 insertions(+), 12 deletions(-)
diff --git
are enabled. Otherwise, the __func__ assembly parameter is replaced with a
(dummy) NULL parameter to avoid an image size increase due to unused
__func__ entries (this is necessary because __func__ is not a define but a
virtual variable).
Signed-off-by: Guenter Roeck
---
arch/s390/include/asm/bug.h | 19
Document API functions for suppressing warning backtraces.
Signed-off-by: Guenter Roeck
---
Documentation/dev-tools/kunit/usage.rst | 30 -
1 file changed, 29 insertions(+), 1 deletion(-)
diff --git a/Documentation/dev-tools/kunit/usage.rst
b/Documentation/dev-tools
possible.
Refine .blockz instructions to calculate the necessary padding instead
of using fixed values.
Signed-off-by: Guenter Roeck
---
arch/parisc/include/asm/bug.h | 29 +
1 file changed, 21 insertions(+), 8 deletions(-)
diff --git a/arch/parisc/include/asm/bug.h b/arch
are enabled. Otherwise, the __func__ assembly parameter is replaced with a
(dummy) NULL parameter to avoid an image size increase due to unused
__func__ entries (this is necessary because __func__ is not a define but a
virtual variable).
Signed-off-by: Guenter Roeck
---
arch/loongarch/include/asm/bug.h
are enabled. Otherwise, the __func__ assembly parameter is replaced with a
(dummy) NULL parameter to avoid an image size increase due to unused
__func__ entries (this is necessary because __func__ is not a define but a
virtual variable).
Signed-off-by: Guenter Roeck
---
arch/x86/include/asm/bug.h | 21
are enabled. Otherwise, the __func__ assembly parameter is replaced with a
(dummy) NULL parameter to avoid an image size increase due to unused
__func__ entries (this is necessary because __func__ is not a define but a
virtual variable).
Signed-off-by: Guenter Roeck
---
arch/arm64/include/asm/asm-bug.h
Cc: Jakub Kicinski
Signed-off-by: Guenter Roeck
---
net/core/dev_addr_lists_test.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/net/core/dev_addr_lists_test.c b/net/core/dev_addr_lists_test.c
index 4dbd0dc6aea2..b427dd1a3c93 100644
--- a/net/core/dev_addr_lists_test.c
+++ b/net/core
Add unit tests to verify that warning backtrace suppression works.
If backtrace suppression does _not_ work, the unit tests will likely
trigger unsuppressed backtraces, which should actually help to get
the affected architectures / platforms fixed.
Signed-off-by: Guenter Roeck
---
lib/kunit
log.
Signed-off-by: Guenter Roeck
---
drivers/gpu/drm/tests/drm_rect_test.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/tests/drm_rect_test.c
b/drivers/gpu/drm/tests/drm_rect_test.c
index 76332cd2ead8..75614cb4deb5 100644
--- a/drivers/gpu/drm/tests/drm_rect_test.c
.
Signed-off-by: Guenter Roeck
---
include/kunit/bug.h | 7 ++-
lib/kunit/bug.c | 4 +++-
2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/include/kunit/bug.h b/include/kunit/bug.h
index 1e34da961599..2097a854ac8c 100644
--- a/include/kunit/bug.h
+++ b/include/kunit/bug.h
@@ -20,6
Cc: Naresh Kamboju
Cc: Kees Cook
Signed-off-by: Guenter Roeck
---
include/asm-generic/bug.h | 16 +---
include/kunit/bug.h | 51 +++
include/kunit/test.h | 1 +
include/linux/bug.h | 13 ++
lib/bug.c
Some unit tests intentionally trigger warning backtraces by passing bad
parameters to kernel API functions. Such unit tests typically check the
return value from such calls, not the existence of the warning backtrace.
Such intentionally generated warning backtraces are neither desirable
nor
On 3/11/24 09:58, Rodrigo Vivi wrote:
On Mon, Mar 11, 2024 at 09:06:46AM +0100, Janusz Krzysztofik wrote:
In i915 hwmon sysfs getter path we now take a hwmon_lock, then acquire an
rpm wakeref. That results in lock inversion:
<4> [197.079335]
On Tue, Mar 05, 2024 at 10:40:28AM -0800, Guenter Roeck wrote:
> Some unit tests intentionally trigger warning backtraces by passing bad
> parameters to kernel API functions. Such unit tests typically check the
> return value from such calls, not the existence of the warning
Hi Daniel,
On 3/6/24 10:24, Daniel Díaz wrote:
[ ... ]
Thank you SO very much for this work! This is very much appreciated!
Thanks a lot for the feedback.
We run into these warnings at LKFT all the time, and making sure that
the noise doesn't drown the relevant signal is very important.
On 3/5/24 11:54, Kees Cook wrote:
On Tue, Mar 05, 2024 at 10:40:29AM -0800, Guenter Roeck wrote:
[...]
warning = (bug->flags & BUGFLAG_WARNING) != 0;
once = (bug->flags & BUGFLAG_ONCE) != 0;
done = (bug->flags & BUGFLAG_DONE) !
and CONFIG_DEBUG_BUGVERBOSE
are enabled. Otherwise, the __func__ assembly parameter is replaced with a
(dummy) NULL parameter to avoid an image size increase due to unused
__func__ entries (this is necessary because __func__ is not a define but a
virtual variable).
Signed-off-by: Guenter Roeck
---
arch/arm64
and CONFIG_DEBUG_BUGVERBOSE
are enabled. Otherwise, the __func__ assembly parameter is replaced with a
(dummy) NULL parameter to avoid an image size increase due to unused
__func__ entries (this is necessary because __func__ is not a define but a
virtual variable).
Signed-off-by: Guenter Roeck
---
arch
and CONFIG_DEBUG_BUGVERBOSE
are enabled. Otherwise, the __func__ assembly parameter is replaced with a
(dummy) NULL parameter to avoid an image size increase due to unused
__func__ entries (this is necessary because __func__ is not a define but a
virtual variable).
Signed-off-by: Guenter Roeck
---
arch/x86
log.
Signed-off-by: Guenter Roeck
---
drivers/gpu/drm/tests/drm_rect_test.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/tests/drm_rect_test.c
b/drivers/gpu/drm/tests/drm_rect_test.c
index 76332cd2ead8..75614cb4deb5 100644
--- a/drivers/gpu/drm/tests/drm_rect_test.c
Cc: Naresh Kamboju
Cc: Kees Cook
Signed-off-by: Guenter Roeck
---
include/asm-generic/bug.h | 16 +---
include/kunit/bug.h | 51 +++
include/linux/bug.h | 13 ++
lib/bug.c | 51 ++
y of those of interest ?
--------
Guenter Roeck (5):
bug: Core support for suppressing warning backtraces
drm: Suppress intentional warning backtraces in scaling unit tests
x86: Add support for suppressing warning tracebacks
On Mon, Mar 4, 2024 at 9:09 AM Maxime Ripard wrote:
[ ...]
>
> And singling out DRM because it regularly allegedly breaks things on
> xtensa or m68k and claiming we're not taking CI seriously because of it
> is completely ridiculous. If the all the subsystems were taking CI as
> seriously as
On Mon, Mar 4, 2024 at 9:09 AM Maxime Ripard wrote:
> And singling out DRM because it regularly allegedly breaks things on
> xtensa or m68k and claiming we're not taking CI seriously because of it
> is completely ridiculous. If the all the subsystems were taking CI as
> seriously as DRM, we
On Mon, Mar 4, 2024 at 8:05 AM Maxime Ripard wrote:
>
> On Mon, Mar 04, 2024 at 07:46:34AM -0800, Guenter Roeck wrote:
> > On Mon, Mar 4, 2024 at 1:24 AM Maxime Ripard wrote:
> > [ ... ]
> > >
> > > If anything, it's more of a side-effect to the push
On Mon, Mar 4, 2024 at 1:24 AM Maxime Ripard wrote:
[ ... ]
>
> If anything, it's more of a side-effect to the push for COMPILE_TEST
> than anything.
>
If the drm subsystem maintainers don't want people to build it with
COMPILE_TEST while at the same time not limiting it to platforms where
it
On Thu, Feb 29, 2024 at 12:21 PM Linus Torvalds
wrote:
>
> On Thu, 29 Feb 2024 at 01:23, Nikolai Kondrashov wrote:
> >
> > However, I think a better approach would be *not* to add the .gitlab-ci.yaml
> > file in the root of the source tree, but instead change the very same repo
> > setting to
On Thu, Feb 22, 2024 at 05:33:48PM +0100, Marco Pagani wrote:
> >
> > In this context, the TTM unit tests fail as well in qemu, with worse result:
> > It seems there is some bad cleanup after a failed test case, causing list
> > corruptions in the drm core and ultimately a crash. I don't know if
Oops, sorry for the noise. Shortened reply below.
On 2/22/24 07:24, Guenter Roeck wrote:
On 2/22/24 06:58, Marek Behún wrote:
A few drivers are doing resource-managed mutex initialization by
implementing ad-hoc one-liner mutex dropping functions and using them
with devm_add_action_or_reset
Hi Marco,
On 2/22/24 07:32, Marco Pagani wrote:
On 2024-02-18 16:49, Guenter Roeck wrote:
Hi,
On Thu, Nov 30, 2023 at 06:14:16PM +0100, Marco Pagani wrote:
This patch introduces an initial KUnit test suite for GEM objects
backed by shmem buffers.
Suggested-by: Javier Martinez Canillas
On 2/22/24 06:58, Marek Behún wrote:
A few drivers are doing resource-managed mutex initialization by
implementing ad-hoc one-liner mutex dropping functions and using them
with devm_add_action_or_reset(). Help drivers avoid these repeated
one-liners by adding managed version of mutex
On 2/22/24 06:58, Marek Behún wrote:
A few drivers register a devm action to remove a debugfs directory,
implementing a one-liner function that calls debufs_remove_recursive().
Help drivers avoid this repeated implementations by adding managed
version of debugfs directory create function.
Use
that we've fixed these errors, to
> prevent them from recurring.
>
> Suggested-by: Linus Torvalds
> Signed-off-by: David Gow
Tested-by: Guenter Roeck
> ---
> include/kunit/test.h | 12 ++--
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/include
ot;)
> Signed-off-by: David Gow
Tested-by: Guenter Roeck
> ---
> drivers/gpu/drm/xe/tests/xe_migrate.c | 8
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/xe/tests/xe_migrate.c
> b/drivers/gpu/drm/xe/tests/xe_migrate.c
> index a6
fix build failure on 32-bit
> targets")
> Fixes: fc8d29e298cf ("drm: selftest: convert drm_mm selftest to KUnit")
> Signed-off-by: David Gow
Tested-by: Guenter Roeck
> ---
> drivers/gpu/drm/tests/drm_buddy_test.c | 14 +++---
> drivers/gpu/drm/tests/dr
he actual error pointer. printk() will format
> it correctly (and give a symbolic name rather than a number if
> available, which should make the output more readable, too).
>
> Fixes: b3098d32ed6e ("net: add skb_segment kunit test")
> Signed-off-by: David Gow
Test
nce of rtc_time64_to_tm(). Add
> tests.")
> Signed-off-by: David Gow
Tested-by: Guenter Roeck
> ---
> drivers/rtc/lib_test.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/rtc/lib_test.c b/drivers/rtc/lib_test.c
> index d5caf36c56cd
ormance of time64_to_tm()")
> Signed-off-by: David Gow
Tested-by: Guenter Roeck
> ---
> kernel/time/time_test.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/time/time_test.c b/kernel/time/time_test.c
> index ca058c8af6ba..3e5d422dd15c 1006
s: bb95ebbe89a7 ("lib: Introduce CONFIG_MEMCPY_KUNIT_TEST")
> Signed-off-by: David Gow
Tested-by: Guenter Roeck
> ---
> lib/memcpy_kunit.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/lib/memcpy_kunit.c b/lib/memcpy_kunit.c
>
gcc incorrectly suggested a %d or %ld
> specifier (depending on the pointer size of the architecture being
> built).
>
> Fixes: 0ea09083116d ("lib/cmdline: Allow get_options() to take 0 to validate
> the input")
> Signed-off-by: David Gow
Tested-by: Guenter Roeck
&g
et gcc validate
> the format string.
>
> Fixes: 76066f93f1df ("kunit: add tests for filtering attributes")
> Signed-off-by: David Gow
Tested-by: Guenter Roeck
> ---
> lib/kunit/executor_test.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>
Hi,
On Thu, Nov 30, 2023 at 06:14:16PM +0100, Marco Pagani wrote:
> This patch introduces an initial KUnit test suite for GEM objects
> backed by shmem buffers.
>
> Suggested-by: Javier Martinez Canillas
> Signed-off-by: Marco Pagani
When running this in qemu, I get lots of warnings
On Wed, Feb 14, 2024 at 06:48:53PM +0530, Arunpravin Paneer Selvam wrote:
> From: Matthew Auld
>
> Sanity check DRM_BUDDY_CONTIGUOUS_ALLOCATION.
>
> v2: Fix checkpatch warnings.
>
> Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3097
> Signed-off-by: Matthew Auld
> Cc: Arunpravin
On 1/10/24 03:23, Geert Uytterhoeven wrote:
Hi Conor,
On Tue, Jan 9, 2024 at 7:06 PM Conor Dooley wrote:
On Tue, Jan 09, 2024 at 05:23:23PM +0900, Yoshinori Sato wrote:
Add Silicon Mortion Technology Corporation
Motion
https://www.siliconmotion.com/
Signed-off-by: Yoshinori Sato
---
s: 982f589bde7a ("drm/bridge: ti-sn65dsi86: Update reply on aux failures")
> Signed-off-by: Douglas Anderson
Reviewed-by: Guenter Roeck
> ---
>
> (no changes since v2)
>
> Changes in v2:
> - Updated patch subject to match ps8640 patch.
>
> drivers/gpu/dr
seems likely
> this is what was happening in the crash I looked at.
>
> Fixes: 13afcdd7277e ("drm/bridge: parade-ps8640: Add support for AUX channel")
> Signed-off-by: Douglas Anderson
Reviewed-by: Guenter Roeck
> ---
>
> Changes in v3:
> - Never return more than
/ Guenter Roeck for drivers/hwmon/pwm-fan.c
- Javier Martinez Canillas for drivers/gpu/drm/solomon/ssd130x.c
- Liam Girdwood / Mark Brown for drivers/regulator/pwm-regulator.c
- Helge Deller for drivers/video/fbdev/ssd1307fb.c
Best regards
Uwe
Personally I find the change unnecessary
robot
Closes:
https://lore.kernel.org/oe-kbuild-all/202312060025.bdeqzrwx-...@intel.com/
Fixes: e560518a6c2e ("drm/bridge: implement generic DP HPD bridge")
Signed-off-by: Nathan Chancellor
Reviewed-by: Guenter Roeck
amp;& DRM_BRIDGE [=y]
Only select CONFIG_DRM_AUX_HPD_BRIDGE with both CONFIG_DRM_BRIDGE and
CONFIG_OF to clear up the warning.
Fixes: 7d9f1b72b296 ("usb: typec: qcom-pmic-typec: switch to
DRM_AUX_HPD_BRIDGE")
Signed-off-by: Nathan Chancellor
Reviewed-by: Guenter Roeck
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