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authorLinus Torvalds2019-03-06 07:59:36 -0800
committerLinus Torvalds2019-03-06 07:59:36 -0800
commit203b6609e0ede49eb0b97008b1150c69e9d2ffd3 (patch)
tree7d9c1227eeec17f75b2a827e385387f640a365a6 /kernel/locking
parent3478588b5136966c80c571cf0006f08e9e5b8f04 (diff)
parentc978b9460fe1d4a1e1effa0abd6bd69b18a098a8 (diff)
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar: "Lots of tooling updates - too many to list, here's a few highlights: - Various subcommand updates to 'perf trace', 'perf report', 'perf record', 'perf annotate', 'perf script', 'perf test', etc. - CPU and NUMA topology and affinity handling improvements, - HW tracing and HW support updates: - Intel PT updates - ARM CoreSight updates - vendor HW event updates - BPF updates - Tons of infrastructure updates, both on the build system and the library support side - Documentation updates. - ... and lots of other changes, see the changelog for details. Kernel side updates: - Tighten up kprobes blacklist handling, reduce the number of places where developers can install a kprobe and hang/crash the system. - Fix/enhance vma address filter handling. - Various PMU driver updates, small fixes and additions. - refcount_t conversions - BPF updates - error code propagation enhancements - misc other changes" * 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (238 commits) perf script python: Add Python3 support to syscall-counts-by-pid.py perf script python: Add Python3 support to syscall-counts.py perf script python: Add Python3 support to stat-cpi.py perf script python: Add Python3 support to stackcollapse.py perf script python: Add Python3 support to sctop.py perf script python: Add Python3 support to powerpc-hcalls.py perf script python: Add Python3 support to net_dropmonitor.py perf script python: Add Python3 support to mem-phys-addr.py perf script python: Add Python3 support to failed-syscalls-by-pid.py perf script python: Add Python3 support to netdev-times.py perf tools: Add perf_exe() helper to find perf binary perf script: Handle missing fields with -F +.. perf data: Add perf_data__open_dir_data function perf data: Add perf_data__(create_dir|close_dir) functions perf data: Fail check_backup in case of error perf data: Make check_backup work over directories perf tools: Add rm_rf_perf_data function perf tools: Add pattern name checking to rm_rf perf tools: Add depth checking to rm_rf perf data: Add global path holder ...
Diffstat (limited to 'kernel/locking')
-rw-r--r--kernel/locking/lockdep.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index fda370ca529c..21cb81fe6359 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -52,6 +52,7 @@
#include <linux/jhash.h>
#include <linux/nmi.h>
#include <linux/rcupdate.h>
+#include <linux/kprobes.h>
#include <asm/sections.h>
@@ -3161,6 +3162,7 @@ void lockdep_hardirqs_on(unsigned long ip)
__trace_hardirqs_on_caller(ip);
current->lockdep_recursion = 0;
}
+NOKPROBE_SYMBOL(lockdep_hardirqs_on);
/*
* Hardirqs were disabled:
@@ -3190,6 +3192,7 @@ void lockdep_hardirqs_off(unsigned long ip)
} else
debug_atomic_inc(redundant_hardirqs_off);
}
+NOKPROBE_SYMBOL(lockdep_hardirqs_off);
/*
* Softirqs will be enabled:
@@ -4007,7 +4010,8 @@ __lock_release(struct lockdep_map *lock, int nested, unsigned long ip)
return 0;
}
-static int __lock_is_held(const struct lockdep_map *lock, int read)
+static nokprobe_inline
+int __lock_is_held(const struct lockdep_map *lock, int read)
{
struct task_struct *curr = current;
int i;
@@ -4240,6 +4244,7 @@ int lock_is_held_type(const struct lockdep_map *lock, int read)
return ret;
}
EXPORT_SYMBOL_GPL(lock_is_held_type);
+NOKPROBE_SYMBOL(lock_is_held_type);
struct pin_cookie lock_pin_lock(struct lockdep_map *lock)
{