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authorLinus Torvalds <torvalds@linux-foundation.org>2024-11-28 11:46:13 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2024-11-28 11:46:13 -0800
commit7af08b57bcb9ebf78675c50069c54125c0a8b795 (patch)
tree29d7a2ca5cc7f9f1b874b1377479cd04caeccb4b /drivers/staging/iio/cdc
parent65ae975e97d5aab3ee9dc5ec701b12090572ed43 (diff)
parent2bd9b57d04df417f31ef54448477c212fcdd14fc (diff)
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Merge tag 'trace-v6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-traceHEADmaster
Pull more tracing updates from Steven Rostedt: - Add trace flag for NEED_RESCHED_LAZY Now that NEED_RESCHED_LAZY is upstream, add it to the status bits of the common_flags. This will now show when the NEED_RESCHED_LAZY flag is set that is used for debugging latency issues in the kernel via a trace. - Remove leftover "__idx" variable when SRCU was removed from the tracepoint code - Add rcu_tasks_trace guard To add a guard() around the tracepoint code, a rcu_tasks_trace guard needs to be created first. - Remove __DO_TRACE() macro and just call __DO_TRACE_CALL() directly The DO_TRACE() macro has conditional locking depending on what was passed into the macro parameters. As the guts of the macro has been moved to __DO_TRACE_CALL() to handle static call logic, there's no reason to keep the __DO_TRACE() macro around. It is better to just do the locking in place without the conditionals and call __DO_TRACE_CALL() from those locations. The "cond" passed in can also be moved out of that macro. This simplifies the code. - Remove the "cond" from the system call tracepoint macros The "cond" variable was added to allow some tracepoints to check a condition within the static_branch (jump/nop) logic. The system calls do not need this. Removing it simplifies the code. - Replace scoped_guard() with just guard() in the tracepoint logic guard() works just as well as scoped_guard() in the tracepoint logic and the scoped_guard() causes some issues. * tag 'trace-v6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: tracing: Use guard() rather than scoped_guard() tracing: Remove cond argument from __DECLARE_TRACE_SYSCALL tracing: Remove conditional locking from __DO_TRACE() rcupdate_trace: Define rcu_tasks_trace lock guard tracing: Remove __idx variable from __DO_TRACE tracing: Move it_func[0] comment to the relevant context tracing: Record task flag NEED_RESCHED_LAZY.
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