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Remove NOTE(CONSTCOND) and note.h

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These were mostly used to annotate do {} while(0)s

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Issue #12201
This commit is contained in:
наб
2021-06-05 16:02:41 +02:00
committed by Brian Behlendorf
parent 2c69ba6444
commit 037af3e0d4
21 changed files with 23 additions and 110 deletions
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include/sys/bitops.h
+5 -6
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@@ -53,13 +53,13 @@ extern "C" {
ASSERT3U(val, <, 1U << (len)); \
ASSERT3U(low + len, <=, 32); \
(x) ^= BF32_ENCODE((x >> low) ^ (val), low, len); \
_NOTE(CONSTCOND) } while (0)
} while (0)
#define BF64_SET(x, low, len, val) do { \
ASSERT3U(val, <, 1ULL << (len)); \
ASSERT3U(low + len, <=, 64); \
((x) ^= BF64_ENCODE((x >> low) ^ (val), low, len)); \
_NOTE(CONSTCOND) } while (0)
} while (0)
#define BF32_GET_SB(x, low, len, shift, bias) \
((BF32_GET(x, low, len) + (bias)) << (shift))
@@ -69,19 +69,18 @@ _NOTE(CONSTCOND) } while (0)
/*
* We use ASSERT3U instead of ASSERT in these macros to prevent a lint error in
* the case where val is a constant. We can't fix ASSERT because it's used as
* an expression in several places in the kernel; as a result, changing it to
* the do{} while() syntax to allow us to _NOTE the CONSTCOND is not an option.
* an expression in several places in the kernel.
*/
#define BF32_SET_SB(x, low, len, shift, bias, val) do { \
ASSERT3U(IS_P2ALIGNED(val, 1U << shift), !=, B_FALSE); \
ASSERT3S((val) >> (shift), >=, bias); \
BF32_SET(x, low, len, ((val) >> (shift)) - (bias)); \
_NOTE(CONSTCOND) } while (0)
} while (0)
#define BF64_SET_SB(x, low, len, shift, bias, val) do { \
ASSERT3U(IS_P2ALIGNED(val, 1ULL << shift), !=, B_FALSE); \
ASSERT3S((val) >> (shift), >=, bias); \
BF64_SET(x, low, len, ((val) >> (shift)) - (bias)); \
_NOTE(CONSTCOND) } while (0)
} while (0)
#ifdef __cplusplus
}