diff options
Diffstat (limited to 'drivers/hv/hv.c')
| -rw-r--r-- | drivers/hv/hv.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c index ec6e35a0d9bf..d1064118a72f 100644 --- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -121,11 +121,15 @@ int hv_synic_alloc(void) (void *)get_zeroed_page(GFP_ATOMIC); if (hv_cpu->synic_event_page == NULL) { pr_err("Unable to allocate SYNIC event page\n"); + + free_page((unsigned long)hv_cpu->synic_message_page); + hv_cpu->synic_message_page = NULL; goto err; } } - if (hv_isolation_type_en_snp()) { + if (!ms_hyperv.paravisor_present && + (hv_isolation_type_en_snp() || hv_isolation_type_tdx())) { ret = set_memory_decrypted((unsigned long) hv_cpu->synic_message_page, 1); if (ret) { @@ -174,7 +178,8 @@ void hv_synic_free(void) = per_cpu_ptr(hv_context.cpu_context, cpu); /* It's better to leak the page if the encryption fails. */ - if (hv_isolation_type_en_snp()) { + if (!ms_hyperv.paravisor_present && + (hv_isolation_type_en_snp() || hv_isolation_type_tdx())) { if (hv_cpu->synic_message_page) { ret = set_memory_encrypted((unsigned long) hv_cpu->synic_message_page, 1); |