This commit introduces the macro "p2m_get_active_p2m" returning the
currently active (alt)p2m. The need for this macro 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 | 3 +++
1 file changed, 3 insertions(+)
diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c
index 63c0df0..12b3dcc 100644
--- a/xen/arch/arm/p2m.c
+++ b/xen/arch/arm/p2m.c
@@ -29,6 +29,9 @@ static unsigned int __read_mostly p2m_root_level;
#define P2M_ROOT_PAGES (1<<P2M_ROOT_ORDER)
+#define p2m_get_active_p2m(v) unlikely(altp2m_active(v->domain)) ? \
+ altp2m_get_altp2m(v) :
p2m_get_hostp2m(v->domain);
+
#define p2m_switch_vttbr_and_get_flags(ovttbr, nvttbr, flags) \
({ \
if ( ovttbr != nvttbr ) \
--
2.9.0
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