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| author | Lai Jiangshan <laijs@linux.alibaba.com> | 2020-05-29 23:27:29 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-06-11 15:15:20 +0200 |
| commit | d390e6de89d30402bd06056c40cea72328aec9b1 (patch) | |
| tree | 1d0fa0ab07ae9095223732d9b4ac7698336f7d5e /arch/nios2/kernel | |
| parent | 998c2034c6a36bd48284e8c8f945a6c6ffc0e3f0 (diff) | |
x86/hw_breakpoint: Add within_area() to check data breakpoints
Add a within_area() helper to checking whether the data breakpoints overlap
with cpu_entry_area.
It will be used to completely prevent data breakpoints on GDT, IDT, or TSS.
Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200526014221.2119-2-laijs@linux.alibaba.com
Link: https://lkml.kernel.org/r/20200529213320.784524504@infradead.org
Diffstat (limited to 'arch/nios2/kernel')
0 files changed, 0 insertions, 0 deletions