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To make seq_buf more lightweight as a string buf, move the readpos member from seq_buf to its container, trace_seq. That puts the responsibility of maintaining the readpos entirely in the tracing code. If some future users want to package up the readpos with a seq_buf, we can define a new struct then. Link: https://lore.kernel.org/linux-trace-kernel/20231020033545.2587554-2-willy@infradead.org Cc: Kees Cook <keescook@chromium.org> Cc: Justin Stitt <justinstitt@google.com> Cc: Kent Overstreet <kent.overstreet@linux.dev> Cc: Petr Mladek <pmladek@suse.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Sergey Senozhatsky <senozhatsky@chromium.org> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> |
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.. | ||
rv | ||
blktrace.c | ||
bpf_trace.c | ||
bpf_trace.h | ||
error_report-traces.c | ||
fgraph.c | ||
fprobe.c | ||
ftrace_internal.h | ||
ftrace.c | ||
Kconfig | ||
kprobe_event_gen_test.c | ||
Makefile | ||
pid_list.c | ||
pid_list.h | ||
power-traces.c | ||
preemptirq_delay_test.c | ||
rethook.c | ||
ring_buffer_benchmark.c | ||
ring_buffer.c | ||
rpm-traces.c | ||
synth_event_gen_test.c | ||
trace_benchmark.c | ||
trace_benchmark.h | ||
trace_boot.c | ||
trace_branch.c | ||
trace_btf.c | ||
trace_btf.h | ||
trace_clock.c | ||
trace_dynevent.c | ||
trace_dynevent.h | ||
trace_entries.h | ||
trace_eprobe.c | ||
trace_event_perf.c | ||
trace_events_filter_test.h | ||
trace_events_filter.c | ||
trace_events_hist.c | ||
trace_events_inject.c | ||
trace_events_synth.c | ||
trace_events_trigger.c | ||
trace_events_user.c | ||
trace_events.c | ||
trace_export.c | ||
trace_fprobe.c | ||
trace_functions_graph.c | ||
trace_functions.c | ||
trace_hwlat.c | ||
trace_irqsoff.c | ||
trace_kdb.c | ||
trace_kprobe_selftest.c | ||
trace_kprobe_selftest.h | ||
trace_kprobe.c | ||
trace_mmiotrace.c | ||
trace_nop.c | ||
trace_osnoise.c | ||
trace_output.c | ||
trace_output.h | ||
trace_preemptirq.c | ||
trace_printk.c | ||
trace_probe_kernel.h | ||
trace_probe_tmpl.h | ||
trace_probe.c | ||
trace_probe.h | ||
trace_recursion_record.c | ||
trace_sched_switch.c | ||
trace_sched_wakeup.c | ||
trace_selftest_dynamic.c | ||
trace_selftest.c | ||
trace_seq.c | ||
trace_stack.c | ||
trace_stat.c | ||
trace_stat.h | ||
trace_synth.h | ||
trace_syscalls.c | ||
trace_uprobe.c | ||
trace.c | ||
trace.h | ||
tracing_map.c | ||
tracing_map.h |