| commit | 97417cb9ad4ed052d7a4c5c0d75db1ff1b0981fb | [log] [tgz] |
|---|---|---|
| author | Lai Jiangshan <laijs@linux.alibaba.com> | Fri May 29 23:27:30 2020 +0200 |
| committer | Thomas Gleixner <tglx@linutronix.de> | Thu Jun 11 15:15:20 2020 +0200 |
| tree | 7c6acb233789431d272714c5ad438215ba7a52b0 | |
| parent | d390e6de89d30402bd06056c40cea72328aec9b1 [diff] |
x86/hw_breakpoint: Prevent data breakpoints on direct GDT A data breakpoint on the GDT can be fatal and must be avoided. The GDT in the CPU entry area is already protected, but not the direct GDT. Add the necessary protection. 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/20200526014221.2119-3-laijs@linux.alibaba.com Link: https://lkml.kernel.org/r/20200529213320.840953950@infradead.org