On Thu, Sep 3, 2020 at 9:12 AM Dave Hansen <dave.hansen@xxxxxxxxx> wrote: > > On 9/3/20 9:09 AM, Yu, Yu-cheng wrote: > > If the debugger is going to write an MSR, only in the third case would > > this make a slight sense. For example, if the system has CET enabled, > > but the task does not have CET enabled, and GDB is writing to a CET MSR. > > But still, this is strange to me. > > If this is strange, then why do we even _implement_ writes? Well, if gdb wants to force a tracee to return early from a function, wouldn't it want the ability to modify SSP? --Andy