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 <prosku...@sec.in.tum.de>
---
Cc: Stefano Stabellini <sstabell...@kernel.org>
Cc: Julien Grall <julien.gr...@arm.com>
---
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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