Re: [PATCH v11 6/9] x86/cet: Add PTRACE interface for CET

From: Dave Hansen
Date: Thu Sep 03 2020 - 12:12:06 EST


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?