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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2013-12-10 07:22:40 +0100
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2013-12-10 07:22:40 +0100
commit5d43889c07bb38694742936aa70d1187c012e198 (patch)
tree73809dddae39ae3b746396e9779142dbd1973f33 /include/asm-generic/simd.h
parentInput: ALPS - add support for DualPoint device on Dell XT2 model (diff)
parentLinux 3.13-rc3 (diff)
downloadlinux-5d43889c07bb38694742936aa70d1187c012e198.tar.xz
linux-5d43889c07bb38694742936aa70d1187c012e198.zip
Merge tag 'v3.13-rc3' into for-linus
Merging with the mainline to sync up on changes to serio core.
Diffstat (limited to 'include/asm-generic/simd.h')
-rw-r--r--include/asm-generic/simd.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/asm-generic/simd.h b/include/asm-generic/simd.h
new file mode 100644
index 000000000000..f57eb7b5c23b
--- /dev/null
+++ b/include/asm-generic/simd.h
@@ -0,0 +1,14 @@
+
+#include <linux/hardirq.h>
+
+/*
+ * may_use_simd - whether it is allowable at this time to issue SIMD
+ * instructions or access the SIMD register file
+ *
+ * As architectures typically don't preserve the SIMD register file when
+ * taking an interrupt, !in_interrupt() should be a reasonable default.
+ */
+static __must_check inline bool may_use_simd(void)
+{
+ return !in_interrupt();
+}