From: Julien Grall <julien.grall@xxxxxxx>
Some users of the ASID allocator (e.g VMID) may need to free any
resources if the initialization fail. So introduce a function that
allows freeing of any memory allocated by the ASID allocator.
Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@xxxxxxxxxx>
---
arch/arm64/include/asm/lib_asid.h | 2 ++
arch/arm64/lib/asid.c | 6 ++++++
2 files changed, 8 insertions(+)
diff --git a/arch/arm64/include/asm/lib_asid.h b/arch/arm64/include/asm/lib_asid.h
index acae8d243d17..4dbc0a3f19a6 100644
--- a/arch/arm64/include/asm/lib_asid.h
+++ b/arch/arm64/include/asm/lib_asid.h
@@ -82,4 +82,6 @@ void asid_context_pinned_put(struct asid_info *info, atomic64_t *pasid,
refcount_t *pinned);
int asid_allocator_init(struct asid_info *info, u32 bits, bool pinned);
+void asid_allocator_free(struct asid_info *info);
+
#endif
diff --git a/arch/arm64/lib/asid.c b/arch/arm64/lib/asid.c
index 286285616f65..7bd031f9516a 100644
--- a/arch/arm64/lib/asid.c
+++ b/arch/arm64/lib/asid.c
@@ -256,3 +256,9 @@ int asid_allocator_init(struct asid_info *info, u32 bits, bool pinned)
return 0;
}
+
+void asid_allocator_free(struct asid_info *info)
+{
+ kfree(info->map);
+ kfree(info->pinned_map);
+}
--
2.17.1
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