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Alexander Potapenko be7635e728 arch, ftrace: for KASAN put hard/soft IRQ entries into separate sections 
KASAN needs to know whether the allocation happens in an IRQ handler.
This lets us strip everything below the IRQ entry point to reduce the
number of unique stack traces needed to be stored.

Move the definition of __irq_entry to <linux/interrupt.h> so that the
users don't need to pull in <linux/ftrace.h>.  Also introduce the
__softirq_entry macro which is similar to __irq_entry, but puts the
corresponding functions to the .softirqentry.text section.

Signed-off-by: Alexander Potapenko <glider@google.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Andrey Konovalov <adech.fo@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Konstantin Serebryany <kcc@google.com>
Cc: Dmitry Chernenkov <dmitryc@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2016-03-25 16:37:42 -07:00
..
Kconfig Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-11-10 18:11:41 -08:00
Makefile bpf: Fix the build on BPF_SYSCALL=y && !CONFIG_TRACING kernels, make it more configurable 2015-04-02 16:28:06 +02:00
blktrace.c kernel/...: convert pr_warning to pr_warn 2016-03-22 15:36:02 -07:00
bpf_trace.c bpf: prevent kprobe+bpf deadlocks 2016-03-08 15:28:30 -05:00
ftrace.c Nothing major this round. Mostly small clean ups and fixes. 2016-03-24 10:52:25 -07:00
power-traces.c cpufreq: powernv/tracing: Add powernv_throttle tracepoint 2016-02-05 02:38:02 +01:00
ring_buffer.c ring-buffer: Process commits whenever moving to a new page. 2015-11-25 15:24:05 -05:00
ring_buffer_benchmark.c ring_buffer: Remove unneeded smp_wmb() before wakeup of reader benchmark 2015-11-03 16:19:02 -05:00
rpm-traces.c PM / Runtime: Introduce trace points for tracing rpm_* functions 2011-09-27 22:53:27 +02:00
trace.c Nothing major this round. Mostly small clean ups and fixes. 2016-03-24 10:52:25 -07:00
trace.h tracing: Record and show NMI state 2016-03-22 18:04:10 -04:00
trace_benchmark.c tracing: Only benchmark the time tracepoints take if tracing is on 2015-11-02 13:34:58 -05:00
trace_benchmark.h tracing: Add tracepoint benchmark tracepoint 2014-05-29 22:49:54 -04:00
trace_branch.c tracing: Remove {start,stop}_branch_trace 2015-10-21 10:10:09 -04:00
trace_clock.c tracing: Export tracing clock functions 2015-05-12 15:56:57 -04:00
trace_entries.h tracing: %pF is only for function pointers 2015-03-25 08:57:22 -04:00
trace_event_perf.c Not much new with tracing for this release. Mostly just clean ups and 2016-01-12 20:04:15 -08:00
trace_events.c tracing: Do not have 'comm' filter override event 'comm' field 2016-03-04 09:57:10 -05:00
trace_events_filter.c tracing: Make ftrace_event_field checking functions available 2016-03-08 11:19:29 -05:00
trace_events_filter_test.h tracing/filter: Add startup tests for events filter 2011-08-19 14:35:59 -04:00
trace_events_trigger.c tracing: Use flags instead of bool in trigger structure 2016-03-08 11:19:36 -05:00
trace_export.c tracing: ftrace_event_is_function() can return boolean 2015-11-02 14:28:05 -05:00
trace_functions.c tracing: Make tracer_flags use the right set_flag callback 2016-03-08 11:19:08 -05:00
trace_functions_graph.c arch, ftrace: for KASAN put hard/soft IRQ entries into separate sections 2016-03-25 16:37:42 -07:00
trace_irqsoff.c tracing: Remove redundant reset per-CPU buff in irqsoff tracer 2016-03-18 16:39:11 -04:00
trace_kdb.c tracing: Move trace_flags from global to a trace_array field 2015-09-30 15:22:55 -04:00
trace_kprobe.c kernel/...: convert pr_warning to pr_warn 2016-03-22 15:36:02 -07:00
trace_mmiotrace.c kernel/...: convert pr_warning to pr_warn 2016-03-22 15:36:02 -07:00
trace_nop.c tracing: Fix typoes in code comment and printk in trace_nop.c 2016-03-08 11:23:57 -05:00
trace_output.c tracing: Record and show NMI state 2016-03-22 18:04:10 -04:00
trace_output.h tracing: Turn seq_print_user_ip() into a static function 2015-09-28 10:16:12 -04:00
trace_printk.c tracing: Fix trace_printk() to print when not using bprintk() 2016-03-22 18:02:40 -04:00
trace_probe.c kernel/...: convert pr_warning to pr_warn 2016-03-22 15:36:02 -07:00
trace_probe.h kernel/trace_probe: is_good_name can be boolean 2015-09-22 13:11:30 -04:00
trace_sched_switch.c sched/core: Fix trace_sched_switch() 2015-10-06 17:08:15 +02:00
trace_sched_wakeup.c Most of the changes are clean ups and small fixes. Some of them have 2015-11-06 13:30:20 -08:00
trace_selftest.c Seems that Peter Zijlstra added a new check that is making old 2014-10-12 07:28:55 -04:00
trace_selftest_dynamic.c ftrace: Add self-tests for multiple function trace users 2011-05-18 19:24:51 -04:00
trace_seq.c tracing: use %*pb[l] to print bitmaps including cpumasks and nodemasks 2015-02-13 21:21:37 -08:00
trace_stack.c tracing, kasan: Silence Kasan warning in check_stack of stack_tracer 2016-02-19 12:36:44 -05:00
trace_stat.c kernel/...: convert pr_warning to pr_warn 2016-03-22 15:36:02 -07:00
trace_stat.h
…
trace_syscalls.c Nothing major this round. Mostly small clean ups and fixes. 2016-03-24 10:52:25 -07:00
trace_uprobe.c kernel/...: convert pr_warning to pr_warn 2016-03-22 15:36:02 -07:00