add xenomai

hc

2024-11-01 2f529f9b558ca1c1bd74be7437a84e4711743404

 kernel/fs/fcntl.c
..
..
@@ -1044,7 +1044,7 @@
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 	 * Exceptions: O_NONBLOCK is a two bit define on parisc; O_NDELAY
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 	 * is defined as O_NONBLOCK on some platforms and not on others.
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 	 */
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-	BUILD_BUG_ON(21 - 1 /* for O_RDONLY being 0 */ !=
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+	BUILD_BUG_ON(22 - 1 /* for O_RDONLY being 0 */ !=
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 		HWEIGHT32(
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 			(VALID_OPEN_FLAGS & ~(O_NONBLOCK | O_NDELAY)) |
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 			__FMODE_EXEC | __FMODE_NONOTIFY));