[Xen-devel] [PATCH v3 02/38] arm/p2m: Expose p2m_*lock helpers

[Sergej Proskurin <proskurin@xxxxxxxxxxxxx>]

This commit exposes the "p2m_*lock" helpers, as they will be used within
the file ./xen/arch/arm/altp2m.c, as will be shown in the following
commits.

Signed-off-by: Sergej Proskurin <proskurin@xxxxxxxxxxxxx>
---
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Cc: Julien Grall <julien.grall@xxxxxxx>
---
 xen/arch/arm/p2m.c        | 12 ++++++------
 xen/include/asm-arm/p2m.h | 16 ++++++++++++++++
 2 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c
index da6c7d4..08114d8 100644
--- a/xen/arch/arm/p2m.c
+++ b/xen/arch/arm/p2m.c
@@ -62,14 +62,14 @@ static inline bool_t p2m_is_superpage(lpae_t pte, unsigned 
int level)
     return (level < 3) && p2m_mapping(pte);
 }
 
-static inline void p2m_write_lock(struct p2m_domain *p2m)
+void p2m_write_lock(struct p2m_domain *p2m)
 {
     write_lock(&p2m->lock);
 }
 
 static void p2m_flush_tlb(struct p2m_domain *p2m);
 
-static inline void p2m_write_unlock(struct p2m_domain *p2m)
+void p2m_write_unlock(struct p2m_domain *p2m)
 {
     if ( p2m->need_flush )
     {
@@ -85,22 +85,22 @@ static inline void p2m_write_unlock(struct p2m_domain *p2m)
     write_unlock(&p2m->lock);
 }
 
-static inline void p2m_read_lock(struct p2m_domain *p2m)
+void p2m_read_lock(struct p2m_domain *p2m)
 {
     read_lock(&p2m->lock);
 }
 
-static inline void p2m_read_unlock(struct p2m_domain *p2m)
+void p2m_read_unlock(struct p2m_domain *p2m)
 {
     read_unlock(&p2m->lock);
 }
 
-static inline int p2m_is_locked(struct p2m_domain *p2m)
+int p2m_is_locked(struct p2m_domain *p2m)
 {
     return rw_is_locked(&p2m->lock);
 }
 
-static inline int p2m_is_write_locked(struct p2m_domain *p2m)
+int p2m_is_write_locked(struct p2m_domain *p2m)
 {
     return rw_is_write_locked(&p2m->lock);
 }
diff --git a/xen/include/asm-arm/p2m.h b/xen/include/asm-arm/p2m.h
index e6be3ea..eae31c1 100644
--- a/xen/include/asm-arm/p2m.h
+++ b/xen/include/asm-arm/p2m.h
@@ -216,6 +216,22 @@ void guest_physmap_remove_page(struct domain *d,
 mfn_t gfn_to_mfn(struct domain *d, gfn_t gfn);
 
 /*
+ * P2M rwlock helpers.
+ */
+
+void p2m_write_lock(struct p2m_domain *p2m);
+
+void p2m_write_unlock(struct p2m_domain *p2m);
+
+void p2m_read_lock(struct p2m_domain *p2m);
+
+void p2m_read_unlock(struct p2m_domain *p2m);
+
+int p2m_is_locked(struct p2m_domain *p2m);
+
+int p2m_is_write_locked(struct p2m_domain *p2m);
+
+/*
  * Populate-on-demand
  */
 
-- 
2.9.0


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