This is the 5.10.151 stable release

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Merge 5.10.151 into android12-5.10-lts

Changes in 5.10.151
	bpf: Generate BTF_KIND_FLOAT when linking vmlinux
	kbuild: Quote OBJCOPY var to avoid a pahole call break the build
	kbuild: skip per-CPU BTF generation for pahole v1.18-v1.21
	kbuild: Unify options for BTF generation for vmlinux and modules
	kbuild: Add skip_encoding_btf_enum64 option to pahole
	Linux 5.10.151

Change-Id: I9933085e5146688af0c7ebae2708c1c978100a90
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

scripts/link-vmlinux.sh

@@ -234,7 +234,7 @@ gen_btf()
 	vmlinux_link ${1}
 
 	info "BTF" ${2}
-	LLVM_OBJCOPY=${OBJCOPY} ${PAHOLE} -J ${1}
+	LLVM_OBJCOPY="${OBJCOPY}" ${PAHOLE} -J ${PAHOLE_FLAGS} ${1}
 
 	# Create ${2} which contains just .BTF section but no symbols. Add
 	# SHF_ALLOC because .BTF will be part of the vmlinux image. --strip-all

scripts/pahole-flags.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+extra_paholeopt=
+
+if ! [ -x "$(command -v ${PAHOLE})" ]; then
+	exit 0
+fi
+
+pahole_ver=$(${PAHOLE} --version | sed -E 's/v([0-9]+)\.([0-9]+)/\1\2/')
+
+if [ "${pahole_ver}" -ge "118" ] && [ "${pahole_ver}" -le "121" ]; then
+	# pahole 1.18 through 1.21 can't handle zero-sized per-CPU vars
+	extra_paholeopt="${extra_paholeopt} --skip_encoding_btf_vars"
+fi
+
+if [ "${pahole_ver}" -ge "124" ]; then
+	extra_paholeopt="${extra_paholeopt} --skip_encoding_btf_enum64"
+fi
+
+echo ${extra_paholeopt}