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Message-Id: <20240205210638.157741-4-haitao.huang@linux.intel.com>
Date: Mon, 5 Feb 2024 13:06:26 -0800
From: Haitao Huang <haitao.huang@...ux.intel.com>
To: jarkko@...nel.org,
dave.hansen@...ux.intel.com,
tj@...nel.org,
mkoutny@...e.com,
linux-kernel@...r.kernel.org,
linux-sgx@...r.kernel.org,
x86@...nel.org,
cgroups@...r.kernel.org,
tglx@...utronix.de,
mingo@...hat.com,
bp@...en8.de,
hpa@...or.com,
sohil.mehta@...el.com,
tim.c.chen@...ux.intel.com
Cc: zhiquan1.li@...el.com,
kristen@...ux.intel.com,
seanjc@...gle.com,
zhanb@...rosoft.com,
anakrish@...rosoft.com,
mikko.ylinen@...ux.intel.com,
yangjie@...rosoft.com,
chrisyan@...rosoft.com
Subject: [PATCH v9 03/15] cgroup/misc: Add SGX EPC resource type
From: Kristen Carlson Accardi <kristen@...ux.intel.com>
Add SGX EPC memory, MISC_CG_RES_SGX_EPC, to be a valid resource type
for the misc controller.
Signed-off-by: Kristen Carlson Accardi <kristen@...ux.intel.com>
Co-developed-by: Haitao Huang <haitao.huang@...ux.intel.com>
Signed-off-by: Haitao Huang <haitao.huang@...ux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko@...nel.org>
---
V6:
- Split the original patch into this and the preceding one (Kai)
---
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 541a5611c597..2f6cc3a0ad23 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 1f0d8e05b36c..e51d6a45007f 100644
--- a/kernel/cgroup/misc.c
+++ b/kernel/cgroup/misc.c
@@ -24,6 +24,10 @@ 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 */
--
2.25.1
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