bpf: Correct the comment for BTF kind bitfield

The commit 8fd886911a6a ("bpf: Add BTF_KIND_FLOAT to uapi") has extended
the BTF kind bitfield from 4 to 5 bits, correct the comment.

Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220403115327.205964-1-haiyue.wang@intel.com

diff --git a/include/uapi/linux/btf.h b/include/uapi/linux/btf.h
index b0d8fea1951d67715b63c90e7e6644323eec3dd5..a9162a6c0284a280f4d5c2b5e7b5bd22a610ad7f 100644 (file)
--- a/include/uapi/linux/btf.h
+++ b/include/uapi/linux/btf.h
@@ -33,8 +33,8 @@ struct btf_type {
        /* "info" bits arrangement
         * bits  0-15: vlen (e.g. # of struct's members)
         * bits 16-23: unused
-        * bits 24-27: kind (e.g. int, ptr, array...etc)
-        * bits 28-30: unused
+        * bits 24-28: kind (e.g. int, ptr, array...etc)
+        * bits 29-30: unused
         * bit     31: kind_flag, currently used by
         *             struct, union and fwd
         */

diff --git a/tools/include/uapi/linux/btf.h b/tools/include/uapi/linux/btf.h
index b0d8fea1951d67715b63c90e7e6644323eec3dd5..a9162a6c0284a280f4d5c2b5e7b5bd22a610ad7f 100644 (file)
--- a/tools/include/uapi/linux/btf.h
+++ b/tools/include/uapi/linux/btf.h
@@ -33,8 +33,8 @@ struct btf_type {
        /* "info" bits arrangement
         * bits  0-15: vlen (e.g. # of struct's members)
         * bits 16-23: unused
-        * bits 24-27: kind (e.g. int, ptr, array...etc)
-        * bits 28-30: unused
+        * bits 24-28: kind (e.g. int, ptr, array...etc)
+        * bits 29-30: unused
         * bit     31: kind_flag, currently used by
         *             struct, union and fwd
         */