[src/trunk]: src/sys/external/bsd/drm2/include/linux get_cpu/put_cpu in <linu...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c56d018859a5
branches:  trunk
changeset: 1028057:c56d018859a5
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sun Dec 19 01:45:16 2021 +0000

description:
get_cpu/put_cpu in <linux/smp.h>.

diffstat:

 sys/external/bsd/drm2/include/linux/smp.h |  52 +++++++++++++++++++++++++++++++
 1 files changed, 52 insertions(+), 0 deletions(-)

diffs (56 lines):

diff -r 5c6180f7a860 -r c56d018859a5 sys/external/bsd/drm2/include/linux/smp.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/external/bsd/drm2/include/linux/smp.h Sun Dec 19 01:45:16 2021 +0000
@@ -0,0 +1,52 @@
+/*     $NetBSD: smp.h,v 1.1 2021/12/19 01:45:16 riastradh Exp $        */
+
+/*-
+ * Copyright (c) 2018 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Taylor R. Campbell.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef        _LINUX_SMP_H_
+#define        _LINUX_SMP_H_
+
+#include <sys/systm.h>
+
+static inline int
+get_cpu(void)
+{
+
+       kpreempt_disable();
+       return cpu_index(curcpu());
+}
+
+static inline void
+put_cpu(void)
+{
+
+       kpreempt_disable();
+}
+
+#endif /* _LINUX_SMP_H_ */