On 04/09, Jacob Shin wrote: > > @@ -612,6 +612,9 @@ static int hw_breakpoint_add(struct perf_event *bp, int > flags) > if (!(flags & PERF_EF_START)) > bp->hw.state = PERF_HES_STOPPED; > > + if (bp->attr.bp_addr_mask && !arch_has_hw_breakpoint_addr_mask()) > + return -EOPNOTSUPP; > +
This is called by sched_in... Isn't it "too late" ? Perhaps arch_validate_hwbkpt_settings() should validate mask/cpu_has_bpext? Oleg. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/