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| author | Marco Elver <elver@google.com> | 2021-08-09 13:25:16 +0200 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2021-09-13 16:41:19 -0700 |
| commit | 78c3d954e2b3c323d6ba0a7294a490fef43efc57 (patch) | |
| tree | 508e0b9a6c8f8edc3a3866e2c10a5cb6ed51eabd /kernel/kcsan | |
| parent | d627c537c2585875bba071bbfa7cda20328f982b (diff) | |
| download | linux-78c3d954e2b3c323d6ba0a7294a490fef43efc57.tar.gz linux-78c3d954e2b3c323d6ba0a7294a490fef43efc57.tar.bz2 linux-78c3d954e2b3c323d6ba0a7294a490fef43efc57.zip | |
kcsan: Move ctx to start of argument list
It is clearer if ctx is at the start of the function argument list;
it'll be more consistent when adding functions with varying arguments
but all requiring ctx.
No functional change intended.
Signed-off-by: Marco Elver <elver@google.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'kernel/kcsan')
| -rw-r--r-- | kernel/kcsan/core.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/kcsan/core.c b/kernel/kcsan/core.c index 8b20af541776..4b84c8e7884b 100644 --- a/kernel/kcsan/core.c +++ b/kernel/kcsan/core.c @@ -222,7 +222,7 @@ static noinline void kcsan_check_scoped_accesses(void) /* Rules for generic atomic accesses. Called from fast-path. */ static __always_inline bool -is_atomic(const volatile void *ptr, size_t size, int type, struct kcsan_ctx *ctx) +is_atomic(struct kcsan_ctx *ctx, const volatile void *ptr, size_t size, int type) { if (type & KCSAN_ACCESS_ATOMIC) return true; @@ -259,7 +259,7 @@ is_atomic(const volatile void *ptr, size_t size, int type, struct kcsan_ctx *ctx } static __always_inline bool -should_watch(const volatile void *ptr, size_t size, int type, struct kcsan_ctx *ctx) +should_watch(struct kcsan_ctx *ctx, const volatile void *ptr, size_t size, int type) { /* * Never set up watchpoints when memory operations are atomic. @@ -268,7 +268,7 @@ should_watch(const volatile void *ptr, size_t size, int type, struct kcsan_ctx * * should not count towards skipped instructions, and (2) to actually * decrement kcsan_atomic_next for consecutive instruction stream. */ - if (is_atomic(ptr, size, type, ctx)) + if (is_atomic(ctx, ptr, size, type)) return false; if (this_cpu_dec_return(kcsan_skip) >= 0) @@ -637,7 +637,7 @@ check_access(const volatile void *ptr, size_t size, int type, unsigned long ip) else { struct kcsan_ctx *ctx = get_ctx(); /* Call only once in fast-path. */ - if (unlikely(should_watch(ptr, size, type, ctx))) + if (unlikely(should_watch(ctx, ptr, size, type))) kcsan_setup_watchpoint(ptr, size, type, ip); else if (unlikely(ctx->scoped_accesses.prev)) kcsan_check_scoped_accesses(); |