perf: hw_breakpoint safety improvements
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- v1 Latest3 patches 8 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/3 | x86/perf/hw_breakpoint: Disallow kernel breakpoints unless kprobe-safearch/ include/ kernel/ | +18 | 5 replies | |
| 2/3 | x86/perf/hw_breakpoint: Improve range breakpoint validationarch/ | +10 | 0 replies | |
| 3/3 | x86/perf/hw_breakpoint: Fix check for kernelspace breakpointsarch/ | +5 | 1 reply |
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Cover letter [PATCH 0/3] perf: hw_breakpoint safety improvements
Hi, Peter-
Here are some baby steps toward eliminating nested NMIs. What do you think?
Andy Lutomirski (3):
x86/perf/hw_breakpoint: Disallow kernel breakpoints unless kprobe-safe x86/perf/hw_breakpoint: Improve range breakpoint validation x86/perf/hw_breakpoint: Fix check for kernelspace breakpoints
arch/x86/kernel/hw_breakpoint.c | 31 ++++++++++++++++++++++++++++++- include/linux/kprobes.h | 2 ++ kernel/kprobes.c | 2 +- 3 files changed, 33 insertions(+), 2 deletions(-)
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