diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2009-01-12 12:53:45 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-20 17:14:28 +0100 |
| commit | afb33f8c0d7dea8c48ae1c2e3af5b437aa8dd7bb (patch) | |
| tree | 7288c6668091059dd51064b6b4cbe39871846285 /arch/x86/kernel/paravirt-spinlocks.c | |
| parent | 422e79a8b39d9ac73e410dc3cd099aecea82afd2 (diff) | |
x86: remove byte locks
Impact: cleanup
Remove byte locks implementation, which was introduced by Jeremy in
8efcbab6 ("paravirt: introduce a "lock-byte" spinlock implementation"),
but turned out to be dead code that is not used by any in-kernel
virtualization guest (Xen uses its own variant of spinlocks implementation
and KVM is not planning to move to byte locks).
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/paravirt-spinlocks.c')
| -rw-r--r-- | arch/x86/kernel/paravirt-spinlocks.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/arch/x86/kernel/paravirt-spinlocks.c b/arch/x86/kernel/paravirt-spinlocks.c index 95777b0faa73..3a7c5a44082e 100644 --- a/arch/x86/kernel/paravirt-spinlocks.c +++ b/arch/x86/kernel/paravirt-spinlocks.c @@ -26,13 +26,3 @@ struct pv_lock_ops pv_lock_ops = { }; EXPORT_SYMBOL(pv_lock_ops); -void __init paravirt_use_bytelocks(void) -{ -#ifdef CONFIG_SMP - pv_lock_ops.spin_is_locked = __byte_spin_is_locked; - pv_lock_ops.spin_is_contended = __byte_spin_is_contended; - pv_lock_ops.spin_lock = __byte_spin_lock; - pv_lock_ops.spin_trylock = __byte_spin_trylock; - pv_lock_ops.spin_unlock = __byte_spin_unlock; -#endif -} |