[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 2 of 4] minios/console: console_input() weak reference
Ian Campbell, le Tue 27 Nov 2012 11:46:41 +0000, a écrit : > > > And by extension I suppose xencons_tx too, for parity if nothing else. > > > > I actually wonder what the purpose of xencons_tx is. > > I suppose if you had a shared ring serial console you could accept > input? I'm afraid I still don't understand :) > > > The existing console_input function (previously xencons_rx) is pretty > > > odd, it relies on something reusing a tx buffer for rx? > > > > ? I don't see what you are referring to. > > xencons_rx says /* Just repeat what's written */ and prints the contents > of the buffer Yes, it echoes what was typed on the console by the user. > (this is rx remember, so buffer ought to be an output buffer, not > input) Really? It's not what I understand from console_handle_input, which just consumes data from the ring and gives it to xencons_rx, without emiting any. Samuel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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