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The fault-inject.h users across the kernel need to add a lot of #ifdef
CONFIG_FAULT_INJECTION to cater for shortcomings in the header. Make
fault-inject.h self-contained for CONFIG_FAULT_INJECTION=n, and add stubs
for DECLARE_FAULT_ATTR(), setup_fault_attr(), should_fail_ex(), and
should_fail() to allow removal of conditional compilation.
[[email protected]: repair fallout from no longer including debugfs.h into fault-inject.h]
[[email protected]: fix drivers/misc/xilinx_tmr_inject.c]
[[email protected]: Add debugfs.h inclusion to more files, per Stephen]
Link: https://lkml.kernel.org/r/[email protected]
Fixes: 6ff1cb355e62 ("[PATCH] fault-injection capabilities infrastructure")
Signed-off-by: Jani Nikula <[email protected]>
Cc: Akinobu Mita <[email protected]>
Cc: Abhinav Kumar <[email protected]>
Cc: Dmitry Baryshkov <[email protected]>
Cc: Himal Prasad Ghimiray <[email protected]>
Cc: Lucas De Marchi <[email protected]>
Cc: Rob Clark <[email protected]>
Cc: Rodrigo Vivi <[email protected]>
Cc: Thomas Hellström <[email protected]>
Cc: Stephen Rothwell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Link: https://lore.kernel.org/r/198112757eac0fc004677a4757ce48ae7c7194ab.1708508896.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h. As a result, there's a pretty much random mix of those include
files used throughout the tree. In order to detangle these headers and
replace the implicit includes with struct declarations, users need to
explicitly include the correct includes.
Acked-by: Andrew Donnellan <[email protected]> # cxl
Signed-off-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The Triple Modular Redundancy(TMR) provides functional fault injection by
changing selected MicroBlaze instructions, which provides the possibility
to verify that the TMR subsystem error detection and fault recovery logic
is working properly.
Usage:
echo 1 > /sys/kernel/debug/xtmr_inject/inject_fault/inject_fault
Signed-off-by: Appana Durga Kedareswara rao <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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