Some users of the ASID allocator (e.g VMID) may require to free any
resource if the initialization fail. So introduce a function allows to
free any memory allocated by the ASID allocator.
Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
---
Changes in v3:
- Patch added
---
arch/arm64/include/asm/lib_asid.h | 2 ++
arch/arm64/lib/asid.c | 5 +++++
2 files changed, 7 insertions(+)
diff --git a/arch/arm64/include/asm/lib_asid.h b/arch/arm64/include/asm/lib_asid.h
index c18e9eca500e..ff78865a6823 100644
--- a/arch/arm64/include/asm/lib_asid.h
+++ b/arch/arm64/include/asm/lib_asid.h
@@ -74,4 +74,6 @@ int asid_allocator_init(struct asid_info *info,
u32 bits, unsigned int asid_per_ctxt,
void (*flush_cpu_ctxt_cb)(void));
+void asid_allocator_free(struct asid_info *info);
+
#endif
diff --git a/arch/arm64/lib/asid.c b/arch/arm64/lib/asid.c
index 0b3a99c4aed4..d23f0df656c1 100644
--- a/arch/arm64/lib/asid.c
+++ b/arch/arm64/lib/asid.c
@@ -183,3 +183,8 @@ int asid_allocator_init(struct asid_info *info,
return 0;
}
+
+void asid_allocator_free(struct asid_info *info)
+{
+ kfree(info->map);
+}
--
2.11.0
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