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authorMark Brown <broonie@linaro.org>2013-12-31 12:59:55 +0000
committerMark Brown <broonie@linaro.org>2013-12-31 12:59:55 +0000
commit68066bb378a0504439e046cdb55d88362eb6379d (patch)
tree0b60f72ddf7108a63dd4db617b42e07fbae5346d /include/asm-generic/simd.h
parent43f627ac9de42607b2cdcc7a41f2bcc82187e06a (diff)
parent802eee95bde72fd0cd0f3a5b2098375a487d1eda (diff)
Merge tag 'v3.13-rc6' into spi-dw
To resolve trivial overlaps with fixes. Linux 3.13-rc6
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 00000000000..f57eb7b5c23
--- /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();
+}