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disable kpreempt around softint_schedule(). fixes playing on umidi.

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This commit is contained in:
mrg 2016-05-07 08:09:43 +00:00
parent 1e6c363a24
commit 471ba5d69b
1 changed files with 4 additions and 2 deletions
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6
sys/dev/usb/umidi.c
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@ -1,4 +1,4 @@
/* $NetBSD: umidi.c,v 1.69 2016/04/23 10:15:32 skrll Exp $ */ /* $NetBSD: umidi.c,v 1.70 2016/05/07 08:09:43 mrg Exp $ */
/* /*
* Copyright (c) 2001, 2012, 2014 The NetBSD Foundation, Inc. * Copyright (c) 2001, 2012, 2014 The NetBSD Foundation, Inc.
@ -32,7 +32,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: umidi.c,v 1.69 2016/04/23 10:15:32 skrll Exp $"); __KERNEL_RCSID(0, "$NetBSD: umidi.c,v 1.70 2016/05/07 08:09:43 mrg Exp $");
#include <sys/types.h> #include <sys/types.h>
#include <sys/param.h> #include <sys/param.h>
@ -1786,7 +1786,9 @@ out_jack_output(struct umidi_jack *out_jack, u_char *src, int len, int cin)
* before starting the USB transfer, and send a longer one. * before starting the USB transfer, and send a longer one.
*/ */
ep->soliciting = 1; ep->soliciting = 1;
kpreempt_disable();
softint_schedule(ep->solicit_cookie); softint_schedule(ep->solicit_cookie);
kpreempt_enable();
} }
if (--sc->sc_refcnt < 0) if (--sc->sc_refcnt < 0)