On 12.12.2024 10:14, Roger Pau Monné wrote: > On Thu, Dec 05, 2024 at 08:41:46PM -0800, Denis Mukhin via B4 Relay wrote: >> From: Denis Mukhin <dmuk...@ford.com> >> >> Introduce new printk() variant for convenient printouts which skip '(XEN)' >> prefix on xen console. This is needed for the case when physical console is >> owned by a domain w/ in-hypervisor UART emulation enabled. > > IIRC the ns8250 can only send or receive one byte (character) at a > time, so you should likely put that on the console as soon as it's > received? > > For the hardware domain we explicitly don't buffer writes to the > console (see guest_console_write() hardware domain special handling). > > I wonder however how you deal with domains that don't have the console > focus (ie: != console_rx), as for those I think you still want to use > the (d<domid>) prefix?
Imo no matter what domain has the focus, the (d<domid>) prefix should always be logged. Just to avoid possible confusion. Jan
