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authorPaul Burton <paul.burton@imgtec.com>2017-02-23 14:50:24 +0000
committerRalf Baechle <ralf@linux-mips.org>2017-03-08 11:16:26 +0100
commit4b5347a24a0f2d3272032c120664b484478455de (patch)
treec1d18d77d0d87c1ea8c993a40b7702245b352c5e /arch/mips/ralink/rt3883.c
parent2e6c7747730296a6d4fd700894286db1132598c4 (diff)
MIPS: End spinlocks with .insn
When building for microMIPS we need to ensure that the assembler always knows that there is code at the target of a branch or jump. Recent toolchains will fail to link a microMIPS kernel when this isn't the case due to what it thinks is a branch to non-microMIPS code. mips-mti-linux-gnu-ld kernel/built-in.o: .spinlock.text+0x2fc: Unsupported branch between ISA modes. mips-mti-linux-gnu-ld final link failed: Bad value This is due to inline assembly labels in spinlock.h not being followed by an instruction mnemonic, either due to a .subsection pseudo-op or the end of the inline asm block. Fix this with a .insn direction after such labels. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Signed-off-by: James Hogan <james.hogan@imgtec.com> Reviewed-by: Maciej W. Rozycki <macro@imgtec.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: <stable@vger.kernel.org> Patchwork: https://patchwork.linux-mips.org/patch/15325/ Signed-off-by: James Hogan <james.hogan@imgtec.com>
Diffstat (limited to 'arch/mips/ralink/rt3883.c')
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