Displaying 3 results from an estimated 3 matches for "839a804".
2015 Apr 30
0
[PATCH 5/6] x86: switch config from UNINLINE_SPIN_UNLOCK to INLINE_SPIN_UNLOCK
...on PARAVIRT && SMP
- select UNINLINE_SPIN_UNLOCK
---help---
Paravirtualized spinlocks allow a pvops backend to replace the
spinlock implementation with something virtualization-friendly
diff --git a/include/linux/spinlock_api_smp.h b/include/linux/spinlock_api_smp.h
index 5344268..839a804 100644
--- a/include/linux/spinlock_api_smp.h
+++ b/include/linux/spinlock_api_smp.h
@@ -69,7 +69,7 @@ _raw_spin_unlock_irqrestore(raw_spinlock_t *lock, unsigned long flags)
#define _raw_spin_trylock_bh(lock) __raw_spin_trylock_bh(lock)
#endif
-#ifndef CONFIG_UNINLINE_SPIN_UNLOCK
+#ifdef CONFIG...
2015 Apr 30
12
[PATCH 0/6] x86: reduce paravirtualized spinlock overhead
Paravirtualized spinlocks produce some overhead even if the kernel is
running on bare metal. The main reason are the more complex locking
and unlocking functions. Especially unlocking is no longer just one
instruction but so complex that it is no longer inlined.
This patch series addresses this issue by adding two more pvops
functions to reduce the size of the inlined spinlock functions. When
2015 Apr 30
12
[PATCH 0/6] x86: reduce paravirtualized spinlock overhead
Paravirtualized spinlocks produce some overhead even if the kernel is
running on bare metal. The main reason are the more complex locking
and unlocking functions. Especially unlocking is no longer just one
instruction but so complex that it is no longer inlined.
This patch series addresses this issue by adding two more pvops
functions to reduce the size of the inlined spinlock functions. When