2022-11-11 18:50:09

by Kristen Carlson Accardi

[permalink] [raw]
Subject: [PATCH 24/26] cgroup/misc: Add SGX EPC resource type

Allow SGX EPC memory to be a valid resource type for the misc
controller.

Signed-off-by: Kristen Carlson Accardi <[email protected]>
---
include/linux/misc_cgroup.h | 4 ++++
kernel/cgroup/misc.c | 4 ++++
2 files changed, 8 insertions(+)

diff --git a/include/linux/misc_cgroup.h b/include/linux/misc_cgroup.h
index cee848205715..aeaf4acf22af 100644
--- a/include/linux/misc_cgroup.h
+++ b/include/linux/misc_cgroup.h
@@ -17,6 +17,10 @@ enum misc_res_type {
MISC_CG_RES_SEV,
/* AMD SEV-ES ASIDs resource */
MISC_CG_RES_SEV_ES,
+#endif
+#ifdef CONFIG_CGROUP_SGX_EPC
+ /* SGX EPC memory resource */
+ MISC_CG_RES_SGX_EPC,
#endif
MISC_CG_RES_TYPES
};
diff --git a/kernel/cgroup/misc.c b/kernel/cgroup/misc.c
index 642879ad136f..e73a034adca3 100644
--- a/kernel/cgroup/misc.c
+++ b/kernel/cgroup/misc.c
@@ -25,6 +25,10 @@ static const char *const misc_res_name[] = {
/* AMD SEV-ES ASIDs resource */
"sev_es",
#endif
+#ifdef CONFIG_CGROUP_SGX_EPC
+ /* Intel SGX EPC memory bytes */
+ "sgx_epc",
+#endif
};

/* Root misc cgroup */
--
2.37.3