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authorDustin Brown2017-08-07 19:44:01 +0100
committerRussell King2017-09-09 16:26:42 +0100
commit9a3dc3186fc3795e076a4122da9e0258651a9631 (patch)
tree572634c72d926358822b797c9227fcbead9ae812 /CREDITS
parent494609701e06a0040c0f4042c80fac4e8b5f0ab8 (diff)
ARM: 8691/1: Export save_stack_trace_tsk()
The kernel watchdog is a great debugging tool for finding tasks that consume a disproportionate amount of CPU time in contiguous chunks. One can imagine building a similar watchdog for arbitrary driver threads using save_stack_trace_tsk() and print_stack_trace(). However, this is not viable for dynamically loaded driver modules on ARM platforms because save_stack_trace_tsk() is not exported for those architectures. Export save_stack_trace_tsk() for the ARM architecture to align with x86 and support various debugging use cases such as arbitrary driver thread watchdog timers. Signed-off-by: Dustin Brown <dustinb@codeaurora.org> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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