MIPS: BPF: Avoid unreachable code on little endian
On little endian, avoid generating the big endian version of the code by using #else in addition to #ifdef #endif. Also fix one alignment issue wrt delay slot. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Reviewed-by: Markos Chandras <markos.chandras@imgtec.com> Cc: stable@vger.kernel.org # v4.2+ Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/11097/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>hifive-unleashed-5.1
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@ -151,9 +151,10 @@ NESTED(bpf_slow_path_word, (6 * SZREG), $r_sp)
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wsbh t0, $r_s0
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jr $r_ra
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rotr $r_A, t0, 16
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#endif
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#else
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jr $r_ra
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move $r_A, $r_s0
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move $r_A, $r_s0
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#endif
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END(bpf_slow_path_word)
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@ -162,9 +163,10 @@ NESTED(bpf_slow_path_half, (6 * SZREG), $r_sp)
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#ifdef CONFIG_CPU_LITTLE_ENDIAN
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jr $r_ra
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wsbh $r_A, $r_s0
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#endif
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#else
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jr $r_ra
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move $r_A, $r_s0
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#endif
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END(bpf_slow_path_half)
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