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x86/resctrl: Simplify rftype flag definitions

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The rftype flags are bitmaps used for adding files under the resctrl
filesystem. Some of these bitmap defines have one extra level of
indirection which is not necessary.

Drop the RF_* defines and simplify the macros.

  [ bp: Massage commit message. ]

Signed-off-by: Babu Moger <babu.moger@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Peter Newman <peternewman@google.com>
Reviewed-by: Tan Shaopeng <tan.shaopeng@jp.fujitsu.com>
Reviewed-by: Fenghua Yu <fenghua.yu@intel.com>
Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Tested-by: Peter Newman <peternewman@google.com>
Tested-by: Tan Shaopeng <tan.shaopeng@jp.fujitsu.com>
Link: https://lore.kernel.org/r/20231017002308.134480-3-babu.moger@amd.com
This commit is contained in:
Babu Moger 2023-10-03 18:54:22 -05:00 committed by Borislav Petkov (AMD)
parent fe2a20ea0b
commit 6846dc1a31
2 changed files with 8 additions and 7 deletions
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9
arch/x86/kernel/cpu/resctrl/internal.h
View File

@ -243,12 +243,9 @@ struct rdtgroup {
*/
#define RFTYPE_INFO BIT(0)
#define RFTYPE_BASE BIT(1)
#define RF_CTRLSHIFT 4
#define RF_MONSHIFT 5
#define RF_TOPSHIFT 6
#define RFTYPE_CTRL BIT(RF_CTRLSHIFT)
#define RFTYPE_MON BIT(RF_MONSHIFT)
#define RFTYPE_TOP BIT(RF_TOPSHIFT)
#define RFTYPE_CTRL BIT(4)
#define RFTYPE_MON BIT(5)
#define RFTYPE_TOP BIT(6)
#define RFTYPE_RES_CACHE BIT(8)
#define RFTYPE_RES_MB BIT(9)
#define RF_CTRL_INFO (RFTYPE_INFO | RFTYPE_CTRL)

6
arch/x86/kernel/cpu/resctrl/rdtgroup.c
View File

@ -3260,7 +3260,11 @@ static int mkdir_rdt_prepare(struct kernfs_node *parent_kn,
goto out_destroy;
}
files = RFTYPE_BASE | BIT(RF_CTRLSHIFT + rtype);
if (rtype == RDTCTRL_GROUP)
files = RFTYPE_BASE | RFTYPE_CTRL;
else
files = RFTYPE_BASE | RFTYPE_MON;
ret = rdtgroup_add_files(kn, files);
if (ret) {
rdt_last_cmd_puts("kernfs fill error\n");