PR/53506 CVS commit: src/sys/arch/xen/xen

["Jaromir Dolecek" <jdolecek%netbsd.org@localhost>]

The following reply was made to PR port-xen/53506; it has been noted by GNATS.

From: "Jaromir Dolecek" <jdolecek%netbsd.org@localhost>
To: gnats-bugs%gnats.NetBSD.org@localhost
Cc: 
Subject: PR/53506 CVS commit: src/sys/arch/xen/xen
Date: Tue, 21 Aug 2018 18:11:10 +0000

 Module Name:	src
 Committed By:	jdolecek
 Date:		Tue Aug 21 18:11:10 UTC 2018
 
 Modified Files:
 	src/sys/arch/xen/xen: xbd_xenbus.c
 
 Log Message:
 avoid race condition between I/O submission in xbd_diskstart() and
 interrupt handling in xbd_handler() - need to protect it with splbio()
 
 fixes PR port-xen/53506 by Emmanuel Dreyfus, and likely also port-xen/53074
 by Brad Spencer
 
 
 To generate a diff of this commit:
 cvs rdiff -u -r1.82 -r1.83 src/sys/arch/xen/xen/xbd_xenbus.c
 
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.