diff options
| author | Qian Cai <cai@lca.pw> | 2019-07-11 20:52:24 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-12 11:05:41 -0700 |
| commit | a760f8a67cb38d19fd52f2a28c65c967e469367e (patch) | |
| tree | d6d8f507bec66c4c3642c09e3f2364a53ac21ae1 /include/linux/dmar.h | |
| parent | ae2c8880482977a8b6772657b7c400462695be46 (diff) | |
| download | lwn-a760f8a67cb38d19fd52f2a28c65c967e469367e.tar.gz lwn-a760f8a67cb38d19fd52f2a28c65c967e469367e.zip | |
include/linux/dmar.h: replace single-char identifiers in macros
There are a few macros in IOMMU have single-char identifiers make the code
hard to read and debug. Replace them with meaningful names.
Link: http://lkml.kernel.org/r/1559566783-13627-1-git-send-email-cai@lca.pw
Signed-off-by: Qian Cai <cai@lca.pw>
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/dmar.h')
| -rw-r--r-- | include/linux/dmar.h | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/include/linux/dmar.h b/include/linux/dmar.h index 28813c6f44b6..a7cf3599d9a1 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -92,12 +92,14 @@ static inline bool dmar_rcu_check(void) #define dmar_rcu_dereference(p) rcu_dereference_check((p), dmar_rcu_check()) -#define for_each_dev_scope(a, c, p, d) \ - for ((p) = 0; ((d) = (p) < (c) ? dmar_rcu_dereference((a)[(p)].dev) : \ - NULL, (p) < (c)); (p)++) - -#define for_each_active_dev_scope(a, c, p, d) \ - for_each_dev_scope((a), (c), (p), (d)) if (!(d)) { continue; } else +#define for_each_dev_scope(devs, cnt, i, tmp) \ + for ((i) = 0; ((tmp) = (i) < (cnt) ? \ + dmar_rcu_dereference((devs)[(i)].dev) : NULL, (i) < (cnt)); \ + (i)++) + +#define for_each_active_dev_scope(devs, cnt, i, tmp) \ + for_each_dev_scope((devs), (cnt), (i), (tmp)) \ + if (!(tmp)) { continue; } else extern int dmar_table_init(void); extern int dmar_dev_scope_init(void); |