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| author |   Peter Zijlstra <peterz@infradead.org> | 2020-02-24 22:25:03 +0100 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2020-05-19 15:51:16 +0200 |
| commit | b0f51883f551b900a04a80f49fb0886caf7e9a12 (patch) | |
| tree | 4de0c3f992cd9381608c90b847473322a32cfa21 /tools/perf/scripts/python/syscall-counts.py | |
| parent | printk: Prepare for nested printk_nmi_enter() (diff) | |
| download | linux-dev-b0f51883f551b900a04a80f49fb0886caf7e9a12.tar.xz linux-dev-b0f51883f551b900a04a80f49fb0886caf7e9a12.zip | |
printk: Disallow instrumenting print_nmi_enter()
It happens early in nmi_enter(), no tracing, probing or other funnies
allowed. Specifically as nmi_enter() will be used in do_debug(), which
would cause recursive exceptions when kprobed.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Link: https://lkml.kernel.org/r/20200505134101.139720912@linutronix.de
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions