On Tue, May 5, 2020 at 7:16 AM Thomas Gleixner <t...@linutronix.de> wrote: > > From: Peter Zijlstra <pet...@infradead.org> > > DR6/7 should be handled before nmi_enter() is invoked and restore after > nmi_exit() to minimize the exposure. > > Split it out into helper inlines and bring it into the correct order.
> + * > + * Entry text is excluded for HW_BP_X and cpu_entry_area, which > + * includes the entry stack is excluded for everything. > + */ > + get_debugreg(*dr7, 6); > + set_debugreg(0, 7); Fortunately, PeterZ is hiding in a brown paper bag, so I don't have to comment :) Other than that: Acked-by: Andy Lutomirski <l...@kernel.org>
