Displaying 5 results from an estimated 5 matches for "in_pv_code".
2014 Oct 27
2
[PATCH v12 09/11] pvqspinlock, x86: Add para-virtualization support
...c inline bool return_false(void) { return false; }
-#endif /* CONFIG_PARAVIRT_SPINLOCKS */
+#define pv_init_node nopv_init_node
+#define pv_wait_check nopv_wait_check
+#define pv_link_and_wait_node nopv_link_and_wait_node
+#define pv_wait_head nopv_wait_head
+#define in_pv_code return_false
+
+#endif /* _GEN_PV_LOCK_SLOWPATH */
/**
* queue_spin_lock_slowpath - acquire the queue spinlock
@@ -306,7 +325,11 @@ static inline int pv_wait_head(struct qspinlock *lock,
* contended : (*,x,y) +--> (*,0,0) ---> (*,0,1) -' :
* queu...
2014 Oct 27
2
[PATCH v12 09/11] pvqspinlock, x86: Add para-virtualization support
...c inline bool return_false(void) { return false; }
-#endif /* CONFIG_PARAVIRT_SPINLOCKS */
+#define pv_init_node nopv_init_node
+#define pv_wait_check nopv_wait_check
+#define pv_link_and_wait_node nopv_link_and_wait_node
+#define pv_wait_head nopv_wait_head
+#define in_pv_code return_false
+
+#endif /* _GEN_PV_LOCK_SLOWPATH */
/**
* queue_spin_lock_slowpath - acquire the queue spinlock
@@ -306,7 +325,11 @@ static inline int pv_wait_head(struct qspinlock *lock,
* contended : (*,x,y) +--> (*,0,0) ---> (*,0,1) -' :
* queu...
2014 Oct 24
3
[PATCH v12 09/11] pvqspinlock, x86: Add para-virtualization support
On 10/24/2014 04:47 AM, Peter Zijlstra wrote:
> On Thu, Oct 16, 2014 at 02:10:38PM -0400, Waiman Long wrote:
>> +static inline void pv_init_node(struct mcs_spinlock *node)
>> +{
>> + struct pv_qnode *pn = (struct pv_qnode *)node;
>> +
>> + BUILD_BUG_ON(sizeof(struct pv_qnode)> 5*sizeof(struct mcs_spinlock));
>> +
>> + if (!pv_enabled())
>> +
2014 Oct 24
3
[PATCH v12 09/11] pvqspinlock, x86: Add para-virtualization support
On 10/24/2014 04:47 AM, Peter Zijlstra wrote:
> On Thu, Oct 16, 2014 at 02:10:38PM -0400, Waiman Long wrote:
>> +static inline void pv_init_node(struct mcs_spinlock *node)
>> +{
>> + struct pv_qnode *pn = (struct pv_qnode *)node;
>> +
>> + BUILD_BUG_ON(sizeof(struct pv_qnode)> 5*sizeof(struct mcs_spinlock));
>> +
>> + if (!pv_enabled())
>> +
2014 Oct 27
0
[PATCH v12 09/11] pvqspinlock, x86: Add para-virtualization support
...WPATH) && defined(CONFIG_PARAVIRT_SPINLOCKS)
> +/*
> + * Generate the PV version of the queue_spin_lock_slowpath function
> + */
> +#undef pv_init_node
> +#undef pv_wait_check
> +#undef pv_link_and_wait_node
> +#undef pv_wait_head
> +#undef EXPORT_SYMBOL
> +#undef in_pv_code
> +
> +#define _GEN_PV_LOCK_SLOWPATH
> +#define EXPORT_SYMBOL(x)
> +#define in_pv_code return_true
> +#define pv_enabled return_false
> +
> +#include "qspinlock.c"
> +
> +#endif
That's properly disgusting :-) But a lot better than actually
duplicati...