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| author | Arnd Bergmann <arnd@arndb.de> | 2021-10-26 12:03:48 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2021-11-25 00:02:28 +0100 |
| commit | 3297481d688a5cc2973ea58bd78e66b8639748b1 (patch) | |
| tree | 3f9e7d8fb1601489125df8c689a28d3e29c8ef63 /kernel/futex/futex.h | |
| parent | 3f2bedabb62c6210df63b604dc988d2f7f56f947 (diff) | |
| download | linux-stable-3297481d688a5cc2973ea58bd78e66b8639748b1.tar.gz linux-stable-3297481d688a5cc2973ea58bd78e66b8639748b1.tar.bz2 linux-stable-3297481d688a5cc2973ea58bd78e66b8639748b1.zip | |
futex: Remove futex_cmpxchg detection
Now that all architectures have a working futex implementation in any
configuration, remove the runtime detection code.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Acked-by: Vineet Gupta <vgupta@kernel.org>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Link: https://lore.kernel.org/r/20211026100432.1730393-2-arnd@kernel.org
Diffstat (limited to 'kernel/futex/futex.h')
| -rw-r--r-- | kernel/futex/futex.h | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/kernel/futex/futex.h b/kernel/futex/futex.h index 040ae4277cb0..c264cbeab71c 100644 --- a/kernel/futex/futex.h +++ b/kernel/futex/futex.h @@ -27,12 +27,6 @@ #define FLAGS_CLOCKRT 0x02 #define FLAGS_HAS_TIMEOUT 0x04 -#ifdef CONFIG_HAVE_FUTEX_CMPXCHG -#define futex_cmpxchg_enabled 1 -#else -extern int __read_mostly futex_cmpxchg_enabled; -#endif - #ifdef CONFIG_FAIL_FUTEX extern bool should_fail_futex(bool fshared); #else |