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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>
This commit is contained in:
Qian Cai 2019-07-11 20:52:24 -07:00 committed by Linus Torvalds
parent ae2c888048
commit a760f8a67c
1 changed files with 7 additions and 5 deletions
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12
include/linux/dmar.h
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@ -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_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(a, c, p, d) \
for_each_dev_scope((a), (c), (p), (d)) if (!(d)) { continue; } else
#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);