3 files changed, 3 insertions, 25 deletions

diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index 7ec0b217dfd3..890f77927d62 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -48,7 +48,6 @@
 #include <asm/branch.h>
 
 #include "ieee754.h"
-#include "dsemul.h"
 
 /* Strap kernel emulator for full MIPS IV emulation */
 
@@ -346,9 +345,6 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
                         /* cop control register rd -> gpr[rt] */
                         u32 value;
 
-                        if (ir == CP1UNDEF) {
-                                return do_dsemulret(xcp);
-                        }
                         if (MIPSInst_RD(ir) == FPCREG_CSR) {
                                 value = ctx->fcr31;
                                 value = (value & ~0x3) | mips_rm[value & 0x3];
diff --git a/arch/mips/math-emu/dsemul.c b/arch/mips/math-emu/dsemul.c
index 653e325849e4..df7b9d928efc 100644
--- a/arch/mips/math-emu/dsemul.c
+++ b/arch/mips/math-emu/dsemul.c
@@ -18,7 +18,6 @@
 #include <asm/fpu_emulator.h>
 
 #include "ieee754.h"
-#include "dsemul.h"
 
 /* Strap kernel emulator for full MIPS IV emulation */
 
@@ -94,7 +93,7 @@ int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc)
                 return SIGBUS;
 
         err = __put_user(ir, &fr->emul);
-        err |= __put_user((mips_instruction)BADINST, &fr->badinst);
+        err |= __put_user((mips_instruction)BREAK_MATH, &fr->badinst);
         err |= __put_user((mips_instruction)BD_COOKIE, &fr->cookie);
         err |= __put_user(cpc, &fr->epc);
 
@@ -130,13 +129,13 @@ int do_dsemulret(struct pt_regs *xcp)
         /*
          * Do some sanity checking on the stackframe:
          *
-         *  - Is the instruction pointed to by the EPC an BADINST?
+         *  - Is the instruction pointed to by the EPC an BREAK_MATH?
          *  - Is the following memory word the BD_COOKIE?
          */
         err = __get_user(insn, &fr->badinst);
         err |= __get_user(cookie, &fr->cookie);
 
-        if (unlikely(err || (insn != BADINST) || (cookie != BD_COOKIE))) {
+        if (unlikely(err || (insn != BREAK_MATH) || (cookie != BD_COOKIE))) {
                 fpuemustats.errors++;
                 return 0;
         }
diff --git a/arch/mips/math-emu/dsemul.h b/arch/mips/math-emu/dsemul.h
deleted file mode 100644
index 091f0e76730f..000000000000
--- a/arch/mips/math-emu/dsemul.h
+++ /dev/null
@@ -1,17 +0,0 @@
-extern int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc);
-extern int do_dsemulret(struct pt_regs *xcp);
-
-/* Instruction which will always cause an address error */
-#define AdELOAD 0x8c000001      /* lw $0,1($0) */
-/* Instruction which will plainly cause a CP1 exception when FPU is disabled */
-#define CP1UNDEF 0x44400001    /* cfc1 $0,$0 undef  */
-
-/* Instruction inserted following the badinst to further tag the sequence */
-#define BD_COOKIE 0x0000bd36 /* tne $0,$0 with baggage */
-
-/* Setup which instruction to use for trampoline */
-#ifdef STANDALONE_EMULATOR
-#define BADINST CP1UNDEF
-#else
-#define BADINST AdELOAD
-#endif