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-rw-r--r--include/linux/nospec.h14
1 files changed, 0 insertions, 14 deletions
diff --git a/include/linux/nospec.h b/include/linux/nospec.h
index 115381228203..e791ebc65c9c 100644
--- a/include/linux/nospec.h
+++ b/include/linux/nospec.h
@@ -21,20 +21,6 @@ static inline unsigned long array_index_mask_nospec(unsigned long index,
unsigned long size)
{
/*
- * Warn developers about inappropriate array_index_nospec() usage.
- *
- * Even if the CPU speculates past the WARN_ONCE branch, the
- * sign bit of @index is taken into account when generating the
- * mask.
- *
- * This warning is compiled out when the compiler can infer that
- * @index and @size are less than LONG_MAX.
- */
- if (WARN_ONCE(index > LONG_MAX || size > LONG_MAX,
- "array_index_nospec() limited to range of [0, LONG_MAX]\n"))
- return 0;
-
- /*
* Always calculate and emit the mask even if the compiler
* thinks the mask is not needed. The compiler does not take
* into account the value of @index under speculation.