In case of root partition or snp, the synic pages are allocated by the
hypervisor instead of the kernel, so they should not be freed.
Signed-off-by: Nuno Das Neves <nunodasneves@xxxxxxxxxxxxxxxxxxx>
---
drivers/hv/hv.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index c7f7652932ca..a10cf642c9ad 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -193,8 +193,10 @@ void hv_synic_free(void)
struct hv_per_cpu_context *hv_cpu
= per_cpu_ptr(hv_context.cpu_context, cpu);
- free_page((unsigned long)hv_cpu->synic_event_page);
- free_page((unsigned long)hv_cpu->synic_message_page);
+ if (!hv_isolation_type_snp() && !hv_root_partition) {
+ free_page((unsigned long)hv_cpu->synic_event_page);
+ free_page((unsigned long)hv_cpu->synic_message_page);
+ }
free_page((unsigned long)hv_cpu->post_msg_page);
}
--
2.25.1
