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author | Valentin Schneider <valentin.schneider@arm.com> | 2020-08-17 12:29:49 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2020-08-19 10:49:47 +0200 |
commit | d54a9658a75633b839af7a2c6c758807678b8064 (patch) | |
tree | 25f4c02a1ff8eaccd33d36eb18c95f485439acd1 /include/linux/sched/topology.h | |
parent | d23b3bf8e43faa54a6839aafd6fedc15a3c4174f (diff) | |
download | linux-stable-d54a9658a75633b839af7a2c6c758807678b8064.tar.gz linux-stable-d54a9658a75633b839af7a2c6c758807678b8064.tar.bz2 linux-stable-d54a9658a75633b839af7a2c6c758807678b8064.zip |
sched/topology: Split out SD_* flags declaration to its own file
To associate the SD flags with some metadata, we need some more structure
in the way they are declared.
Rather than shove that in a free-standing macro list, move the declaration
in a separate file that can be re-imported with different SD_FLAG
definitions. This is inspired by what is done with the syscall
table (see uapi/asm/unistd.h and sys_call_table).
The value assigned to a given SD flag now depends on the order it appears
in sd_flags.h. No change in functionality.
Signed-off-by: Valentin Schneider <valentin.schneider@arm.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: https://lore.kernel.org/r/20200817113003.20802-4-valentin.schneider@arm.com
Diffstat (limited to 'include/linux/sched/topology.h')
-rw-r--r-- | include/linux/sched/topology.h | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/include/linux/sched/topology.h b/include/linux/sched/topology.h index 6ec7d7c1d1e3..3e41c0401b5f 100644 --- a/include/linux/sched/topology.h +++ b/include/linux/sched/topology.h @@ -11,19 +11,19 @@ */ #ifdef CONFIG_SMP -#define SD_BALANCE_NEWIDLE 0x0001 /* Balance when about to become idle */ -#define SD_BALANCE_EXEC 0x0002 /* Balance on exec */ -#define SD_BALANCE_FORK 0x0004 /* Balance on fork, clone */ -#define SD_BALANCE_WAKE 0x0008 /* Balance on wakeup */ -#define SD_WAKE_AFFINE 0x0010 /* Wake task to waking CPU */ -#define SD_ASYM_CPUCAPACITY 0x0020 /* Domain members have different CPU capacities */ -#define SD_SHARE_CPUCAPACITY 0x0040 /* Domain members share CPU capacity */ -#define SD_SHARE_PKG_RESOURCES 0x0080 /* Domain members share CPU pkg resources */ -#define SD_SERIALIZE 0x0100 /* Only a single load balancing instance */ -#define SD_ASYM_PACKING 0x0200 /* Place busy groups earlier in the domain */ -#define SD_PREFER_SIBLING 0x0400 /* Prefer to place tasks in a sibling domain */ -#define SD_OVERLAP 0x0800 /* sched_domains of this level overlap */ -#define SD_NUMA 0x1000 /* cross-node balancing */ +/* Generate SD flag indexes */ +#define SD_FLAG(name) __##name, +enum { + #include <linux/sched/sd_flags.h> + __SD_FLAG_CNT, +}; +#undef SD_FLAG +/* Generate SD flag bits */ +#define SD_FLAG(name) name = 1 << __##name, +enum { + #include <linux/sched/sd_flags.h> +}; +#undef SD_FLAG #ifdef CONFIG_SCHED_SMT static inline int cpu_smt_flags(void) |