Re: [RFC][PATCH 4/7] x86/debug: Move historical SYSENTER junk into exc_debug_kernel()

From: peterz
Date: Thu Aug 20 2020 - 12:35:25 EST


On Thu, Aug 20, 2020 at 11:17:29AM -0500, Josh Poimboeuf wrote:
> On Thu, Aug 20, 2020 at 05:21:11PM +0200, peterz@xxxxxxxxxxxxx wrote:

> > qemu-gdb stub should eat the event before it lands in the guest
>
> Are we sure about that? I triggered the warning just now, stepping
> through the debug handler.

Not sure at all, that's what seemed reasonable, but since when did that
stop virt ;-)

Also, can you trigger that same with upstream? Because I suspect this
ought to tickle the old code too.