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| author | hselasky <hselasky@FreeBSD.org> | 2016-05-13 11:30:56 +0000 |
|---|---|---|
| committer | hselasky <hselasky@FreeBSD.org> | 2016-05-13 11:30:56 +0000 |
| commit | 8582824c7b51bd8586edd1f35e40f1b14d801001 (patch) | |
| tree | 105d2392c2ff5a113b376d96a711c39a8d37e3b7 | |
| parent | eb49c6802f80f6cdf4bfa5e19615f5249d7137e0 (diff) | |
| download | FreeBSD-src-8582824c7b51bd8586edd1f35e40f1b14d801001.zip FreeBSD-src-8582824c7b51bd8586edd1f35e40f1b14d801001.tar.gz | |
Add unlikely() statement to optimise the IS_ERR_VALUE() macro.
Obtained from: kmacy @
MFC after: 1 week
Sponsored by: Mellanox Technologies
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/err.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/err.h b/sys/compat/linuxkpi/common/include/linux/err.h index 2366130..a976932 100644 --- a/sys/compat/linuxkpi/common/include/linux/err.h +++ b/sys/compat/linuxkpi/common/include/linux/err.h @@ -2,7 +2,7 @@ * Copyright (c) 2010 Isilon Systems, Inc. * Copyright (c) 2010 iX Systems, Inc. * Copyright (c) 2010 Panasas, Inc. - * Copyright (c) 2013-2015 Mellanox Technologies, Ltd. + * Copyright (c) 2013-2016 Mellanox Technologies, Ltd. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -31,9 +31,11 @@ #ifndef _LINUX_ERR_H_ #define _LINUX_ERR_H_ +#include <linux/compiler.h> + #define MAX_ERRNO 4095 -#define IS_ERR_VALUE(x) ((x) >= (unsigned long)-MAX_ERRNO) +#define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO) static inline void * ERR_PTR(long error) |
