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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-08-12 18:46:07 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-08-12 18:46:07 +0200
commit0c80bdfc9aa624b4a6c33c30ad11e81bf6407c36 (patch)
treecaea5044f1bd46b56c9894a23c629ef4bf93a5ce /include/linux/compiler.h
parentbfa54a793ba77ef696755b66f3ac4ed00c7d1248 (diff)
parent7c626ce4bae1ac14f60076d00eafe71af30450ba (diff)
Merge 6.11-rc3 into driver-core-next
We need the driver core fixes in here as well to build on top of. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/compiler.h')
-rw-r--r--include/linux/compiler.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 2594553bb30b..2df665fa2964 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -297,6 +297,15 @@ static inline void *offset_to_ptr(const int *off)
#define is_unsigned_type(type) (!is_signed_type(type))
/*
+ * Useful shorthand for "is this condition known at compile-time?"
+ *
+ * Note that the condition may involve non-constant values,
+ * but the compiler may know enough about the details of the
+ * values to determine that the condition is statically true.
+ */
+#define statically_true(x) (__builtin_constant_p(x) && (x))
+
+/*
* This is needed in functions which generate the stack canary, see
* arch/x86/kernel/smpboot.c::start_secondary() for an example.
*/