MIPS: KVM: Remove dead code in CP0 emulation
The code to check whether rd > MIPS_CP0_DESAVE is dead code, since MIPS_CP0_DESAVE = 31 and rd is already masked with 0x1f. Remove it. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Gleb Natapov <gleb@kernel.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Sanjay Lal <sanjayl@kymasys.com> Cc: linux-mips@linux-mips.org Cc: kvm@vger.kernel.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -436,13 +436,6 @@ kvm_mips_emulate_CP0(uint32_t inst, uint32_t *opc, uint32_t cause,
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sel = inst & 0x7;
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co_bit = (inst >> 25) & 1;
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/* Verify that the register is valid */
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if (rd > MIPS_CP0_DESAVE) {
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printk("Invalid rd: %d\n", rd);
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er = EMULATE_FAIL;
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goto done;
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}
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if (co_bit) {
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op = (inst) & 0xff;
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