struct _vx_hist_entry *vxh_advance(void *loc);
+#if (__GNUC__ > 3)
#define VXH_HERE() \
({ __label__ here; \
here:; \
&&here; })
-
-
+#else
+#define VXH_HERE() \
+ ({ __vxh_here:; \
+ &&__vxh_here; })
+#endif
static inline void __vxh_copy_vxi(struct _vx_hist_entry *entry, struct vx_info *vxi)
{
}
}
-static inline void vxh_throw_oops(void)
-{
- struct _vx_hist_entry *entry;
-
- preempt_disable();
- entry = vxh_advance(VXH_HERE());
- entry->type = VXH_THROW_OOPS;
- preempt_enable();
-
- /* prevent further acquisition */
- vxh_active = 0;
-}
-
-static inline void vxh_get_vx_info(struct vx_info *vxi)
-{
- struct _vx_hist_entry *entry;
-
- preempt_disable();
- entry = vxh_advance(VXH_HERE());
- __vxh_copy_vxi(entry, vxi);
- entry->type = VXH_GET_VX_INFO;
- preempt_enable();
-}
-
-static inline void vxh_put_vx_info(struct vx_info *vxi)
-{
- struct _vx_hist_entry *entry;
- preempt_disable();
- entry = vxh_advance(VXH_HERE());
- __vxh_copy_vxi(entry, vxi);
- entry->type = VXH_PUT_VX_INFO;
+#define __VXH_BODY(__type, __data) \
+ struct _vx_hist_entry *entry; \
+ \
+ preempt_disable(); \
+ entry = vxh_advance(VXH_HERE()); \
+ __data; \
+ entry->type = __type; \
preempt_enable();
-}
-static inline void vxh_init_vx_info(struct vx_info *vxi, void *data)
-{
- struct _vx_hist_entry *entry;
- preempt_disable();
- entry = vxh_advance(VXH_HERE());
- __vxh_copy_vxi(entry, vxi);
- entry->sc.data = data;
- entry->type = VXH_INIT_VX_INFO;
- preempt_enable();
-}
-
-static inline void vxh_set_vx_info(struct vx_info *vxi, void *data)
-{
- struct _vx_hist_entry *entry;
+ /* pass vxi only */
+#define __VXH_SIMPLE \
+ __vxh_copy_vxi(entry, vxi)
- preempt_disable();
- entry = vxh_advance(VXH_HERE());
- __vxh_copy_vxi(entry, vxi);
- entry->sc.data = data;
- entry->type = VXH_SET_VX_INFO;
- preempt_enable();
+#define VXH_SIMPLE(__name, __type) \
+static inline void __name(struct vx_info *vxi) \
+{ \
+ __VXH_BODY(__type, __VXH_SIMPLE) \
}
-static inline void vxh_clr_vx_info(struct vx_info *vxi, void *data)
-{
- struct _vx_hist_entry *entry;
+ /* pass vxi and data (void *) */
+#define __VXH_DATA \
+ __vxh_copy_vxi(entry, vxi); \
+ entry->sc.data = data
- preempt_disable();
- entry = vxh_advance(VXH_HERE());
- __vxh_copy_vxi(entry, vxi);
- entry->sc.data = data;
- entry->type = VXH_CLR_VX_INFO;
- preempt_enable();
+#define VXH_DATA(__name, __type) \
+static inline \
+void __name(struct vx_info *vxi, void *data) \
+{ \
+ __VXH_BODY(__type, __VXH_DATA) \
}
-static inline void vxh_claim_vx_info(struct vx_info *vxi, void *data)
-{
- struct _vx_hist_entry *entry;
+ /* pass vxi and arg (long) */
+#define __VXH_LARG \
+ __vxh_copy_vxi(entry, vxi); \
+ entry->ll.arg = arg
- preempt_disable();
- entry = vxh_advance(VXH_HERE());
- __vxh_copy_vxi(entry, vxi);
- entry->sc.data = data;
- entry->type = VXH_CLAIM_VX_INFO;
- preempt_enable();
+#define VXH_LARG(__name, __type) \
+static inline \
+void __name(struct vx_info *vxi, long arg) \
+{ \
+ __VXH_BODY(__type, __VXH_LARG) \
}
-static inline void vxh_release_vx_info(struct vx_info *vxi, void *data)
-{
- struct _vx_hist_entry *entry;
- preempt_disable();
- entry = vxh_advance(VXH_HERE());
- __vxh_copy_vxi(entry, vxi);
- entry->sc.data = data;
- entry->type = VXH_RELEASE_VX_INFO;
- preempt_enable();
-}
-
-static inline void vxh_alloc_vx_info(struct vx_info *vxi)
-{
- struct _vx_hist_entry *entry;
-
- preempt_disable();
- entry = vxh_advance(VXH_HERE());
- __vxh_copy_vxi(entry, vxi);
- entry->type = VXH_ALLOC_VX_INFO;
- preempt_enable();
-}
-
-static inline void vxh_dealloc_vx_info(struct vx_info *vxi)
-{
- struct _vx_hist_entry *entry;
-
- preempt_disable();
- entry = vxh_advance(VXH_HERE());
- __vxh_copy_vxi(entry, vxi);
- entry->type = VXH_DEALLOC_VX_INFO;
- preempt_enable();
-}
-
-static inline void vxh_hash_vx_info(struct vx_info *vxi)
-{
- struct _vx_hist_entry *entry;
-
- preempt_disable();
- entry = vxh_advance(VXH_HERE());
- __vxh_copy_vxi(entry, vxi);
- entry->type = VXH_HASH_VX_INFO;
- preempt_enable();
-}
-
-static inline void vxh_unhash_vx_info(struct vx_info *vxi)
+static inline void vxh_throw_oops(void)
{
- struct _vx_hist_entry *entry;
-
- preempt_disable();
- entry = vxh_advance(VXH_HERE());
- __vxh_copy_vxi(entry, vxi);
- entry->type = VXH_UNHASH_VX_INFO;
- preempt_enable();
+ __VXH_BODY(VXH_THROW_OOPS, {});
+ /* prevent further acquisition */
+ vxh_active = 0;
}
-static inline void vxh_loc_vx_info(unsigned arg, struct vx_info *vxi)
-{
- struct _vx_hist_entry *entry;
-
- preempt_disable();
- entry = vxh_advance(VXH_HERE());
- __vxh_copy_vxi(entry, vxi);
- entry->ll.arg = arg;
- entry->type = VXH_LOC_VX_INFO;
- preempt_enable();
-}
+VXH_SIMPLE(vxh_get_vx_info, VXH_GET_VX_INFO);
+VXH_SIMPLE(vxh_put_vx_info, VXH_PUT_VX_INFO);
-static inline void vxh_lookup_vx_info(unsigned arg, struct vx_info *vxi)
-{
- struct _vx_hist_entry *entry;
+VXH_DATA(vxh_init_vx_info, VXH_INIT_VX_INFO);
+VXH_DATA(vxh_set_vx_info, VXH_SET_VX_INFO);
+VXH_DATA(vxh_clr_vx_info, VXH_CLR_VX_INFO);
- preempt_disable();
- entry = vxh_advance(VXH_HERE());
- __vxh_copy_vxi(entry, vxi);
- entry->ll.arg = arg;
- entry->type = VXH_LOOKUP_VX_INFO;
- preempt_enable();
-}
+VXH_DATA(vxh_claim_vx_info, VXH_CLAIM_VX_INFO);
+VXH_DATA(vxh_release_vx_info, VXH_RELEASE_VX_INFO);
-static inline void vxh_create_vx_info(unsigned arg, struct vx_info *vxi)
-{
- struct _vx_hist_entry *entry;
+VXH_SIMPLE(vxh_alloc_vx_info, VXH_ALLOC_VX_INFO);
+VXH_SIMPLE(vxh_dealloc_vx_info, VXH_DEALLOC_VX_INFO);
- preempt_disable();
- entry = vxh_advance(VXH_HERE());
- __vxh_copy_vxi(entry, vxi);
- entry->ll.arg = arg;
- entry->type = VXH_CREATE_VX_INFO;
- preempt_enable();
-}
+VXH_SIMPLE(vxh_hash_vx_info, VXH_HASH_VX_INFO);
+VXH_SIMPLE(vxh_unhash_vx_info, VXH_UNHASH_VX_INFO);
+VXH_LARG(vxh_loc_vx_info, VXH_LOC_VX_INFO);
+VXH_LARG(vxh_lookup_vx_info, VXH_LOOKUP_VX_INFO);
+VXH_LARG(vxh_create_vx_info, VXH_CREATE_VX_INFO);
extern void vxh_dump_history(void);
+
#else /* CONFIG_VSERVER_HISTORY */
+
#define vxh_throw_oops() do { } while (0)
#define vxh_get_vx_info(v) do { } while (0)
git://git.onelab.eu / linux-2.6.git / blobdiff