On Fri, 24 Jul 2015 15:21:28 +0200 Willy Tarreau <w...@1wt.eu> wrote:
> My understanding is that by using RET we can't set the RF flag and #DB But the RF flag is only set for instruction (executing) breakpoints. It is not set for data (RW) ones. -- Steve > will immediately strike again when the operation is attempted again. Thus > we have to completely disable the breakpoints on leaving after the first > one strikes, resulting in some userland breakpoints being missed. Maybe > it can be accepted as a limitation when perf is running. I don't know if > the output of perf is that relevant when a debugger is present BTW. > > Willy -- 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/
