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author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-06 07:59:36 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-06 07:59:36 -0800 |
commit | 203b6609e0ede49eb0b97008b1150c69e9d2ffd3 (patch) | |
tree | 7d9c1227eeec17f75b2a827e385387f640a365a6 /kernel/locking | |
parent | 3478588b5136966c80c571cf0006f08e9e5b8f04 (diff) | |
parent | c978b9460fe1d4a1e1effa0abd6bd69b18a098a8 (diff) | |
download | linux-203b6609e0ede49eb0b97008b1150c69e9d2ffd3.tar.bz2 |
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.c | 7 |
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) { |