Messages in this thread Patch in this message | | | Date | Fri, 9 Jan 2004 19:10:09 +0100 | From | Pavel Machek <> | Subject | Re: Alt-arrow console switch sometimes dropped |
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Hi!
> > Alt-arrow console switch is routinely dropped under high load. This > > patch fixes it: alt-arrow has to start from console _we want to switch > > to_, if switch is already pending. Please apply, > > Pavel > > Sure, but a comment would be nice: > > /* Currently switching? Queue this next switch relative to > > that. */
Oops, there was exactly the same problem in "fn_dec_console". Here's incremental patch to add the comment and fix fn_dec_console, too. I hope it is applicable.
Pavel --- tmp/linux/drivers/char/keyboard.c 2004-01-09 19:04:43.000000000 +0100 +++ linux/drivers/char/keyboard.c 2004-01-09 18:59:43.000000000 +0100 @@ -515,8 +515,13 @@ static void fn_dec_console(struct vc_data *vc, struct pt_regs *regs) { int i; + int cur = fg_console; + + /* Currently switching? Queue this next switch relative to that. */ + if (want_console != -1) + cur = want_console; - for (i = fg_console-1; i != fg_console; i--) { + for (i = cur-1; i != cur; i--) { if (i == -1) i = MAX_NR_CONSOLES-1; if (vc_cons_allocated(i)) @@ -530,6 +535,7 @@ int i; int cur = fg_console; + /* Currently switching? Queue this next switch relative to that. */ if (want_console != -1) cur = want_console; -- When do you have a heart between your knees? [Johanka's followup: and *two* hearts?] - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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