From c660a5ee919f01e7c3269ea92baf13741c8aee17 Mon Sep 17 00:00:00 2001 From: Christian Breunig Date: Sat, 24 Jan 2026 07:06:05 +0100 Subject: [PATCH] tools: fix implicit declaration of function cpu_to_le16 After commit 64d86c03e1441742216b6332bdfabfb6ede31662 ("perf arm-spe: Extend branch operations") which was also backported to the stable branches, the restructuring caused a missing definition. tools/include/linux/bitops.h implement define __MAKE_OP(size) \ ____MAKE_OP(le##size,u##size,cpu_to_le##size,le##size##_to_cpu) \ ____MAKE_OP(be##size,u##size,cpu_to_be##size,be##size##_to_cpu) \ ____MAKE_OP(u##size,u##size,,) ____MAKE_OP(u8,u8,,) but cpu_to_le## or cpu_to_be## are not defined. Fix by including linux/kernel.h. --- tools/include/linux/bitfield.h | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/include/linux/bitfield.h b/tools/include/linux/bitfield.h index 6093fa6db260..ddf81f24956b 100644 --- a/tools/include/linux/bitfield.h +++ b/tools/include/linux/bitfield.h @@ -8,6 +8,7 @@ #define _LINUX_BITFIELD_H #include +#include #include /* -- 2.39.5