On Mon, 16 Nov 2020 at 19:28, Ashish Kalra <Ashish.Kalra@xxxxxxx> wrote: > > From: Brijesh Singh <brijesh.singh@xxxxxxx> > > From: Brijesh Singh <brijesh.singh@xxxxxxx> > > Extend the MemTxAttrs to include a 'debug' flag. The flag can be used as > general indicator that operation was triggered by the debugger. > > A subsequent patch will set the debug=1 when issuing a memory access > from the gdbstub or HMP commands. This is a prerequisite to support > debugging an encrypted guest. When a request with debug=1 is seen, the > encryption APIs will be used to access the guest memory. So, what counts as "debug" here, and why are debug requests special? If "debug=1" means "can actually get at the guest memory", why wouldn't every device model want to use it? thanks -- PMM
