diff options
| author |   Andy Lutomirski <luto@kernel.org> | 2020-02-24 13:24:58 +0100 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2020-06-11 15:14:33 +0200 |
| commit | 24ae0c91cbc57c2deb0401bd653453a508acdcee (patch) | |
| tree | 757bf36dcca535e0e58bee390fa9b9d0423d6cfc /tools/perf/scripts/python/syscall-counts.py | |
| parent | x86/idt: Keep spurious entries unset in system_vectors (diff) | |
x86/hw_breakpoint: Prevent data breakpoints on cpu_entry_area
A data breakpoint near the top of an IST stack will cause unrecoverable
recursion. A data breakpoint on the GDT, IDT, or TSS is terrifying.
Prevent either of these from happening.
Co-developed-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Lai Jiangshan <jiangshanlai@gmail.com>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Link: https://lkml.kernel.org/r/20200505134058.272448010@linutronix.de
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions