[PATCH 4.19 037/273] powerpc/32: Include .branch_lt in data section

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4.19-stable review patch.  If anyone has any objections, please let me know.


From: Joel Stanley <joel@xxxxxxxxx>

commit 98ecc6768e8fdba95da1fc1efa0ef2d769e7fe1c upstream.

When building a 32 bit powerpc kernel with Binutils 2.31.1 this warning
is emitted:

 powerpc-linux-gnu-ld: warning: orphan section `.branch_lt' from
 `arch/powerpc/kernel/head_44x.o' being placed in section `.branch_lt'

As of binutils commit 2d7ad24e8726 ("Support PLT16 relocs against local
symbols")[1], 32 bit targets can produce .branch_lt sections in their

Include these symbols in the .data section as the ppc64 kernel does.

[1] https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commitdiff;h=2d7ad24e8726ba4c45c9e67be08223a146a837ce
Signed-off-by: Joel Stanley <joel@xxxxxxxxx>
Reviewed-by: Alan Modra <amodra@xxxxxxxxx>
Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
 arch/powerpc/kernel/vmlinux.lds.S |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -328,6 +328,7 @@ SECTIONS
 		*(.got.plt) *(.got)
+		*(.branch_lt)
 	.data : AT(ADDR(.data) - LOAD_OFFSET) {

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