2024-01-22 19:22:07

by Haitao Huang

Subject: [PATCH v7 03/15] cgroup/misc: Add SGX EPC resource type

From: Kristen Carlson Accardi <[email protected]>

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 <[email protected]>
Co-developed-by: Haitao Huang <[email protected]>
Signed-off-by: Haitao Huang <[email protected]>
---
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 99d971ecc842..4c519423b071 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

2024-01-22 20:53:40

by Jarkko Sakkinen

Subject: Re: [PATCH v7 03/15] cgroup/misc: Add SGX EPC resource type

On Mon Jan 22, 2024 at 7:20 PM EET, Haitao Huang wrote:
> From: Kristen Carlson Accardi <[email protected]>
>
> 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 <[email protected]>
> Co-developed-by: Haitao Huang <[email protected]>
> Signed-off-by: Haitao Huang <[email protected]>
> ---
> 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 99d971ecc842..4c519423b071 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 */

Reviewed-by: Jarkko Sakkinen <[email protected]>

BR, Jarkko