powerpc/math_emu/efp: Look for errata handler when type mismatches
authorLiu Yu <yu.liu@freescale.com>
Mon, 5 Sep 2011 09:01:23 +0000 (17:01 +0800)
committerKumar Gala <galak@kernel.crashing.org>
Fri, 7 Oct 2011 04:36:47 +0000 (23:36 -0500)
We already have cpu a005 errata handler when instruction cannot be
recognized.  Before we lookup the inst, there's type checking, and we also
need to handle it in errata handler when the type checking failed.

Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
arch/powerpc/math-emu/math_efp.c

index 96dbbae1a5903f0dbc899c7953eeb16df4bf2506..a73f0884d358d0d9095c992d6c532929f853044c 100644 (file)
@@ -171,10 +171,6 @@ static unsigned long insn_type(unsigned long speinsn)
        case EFDNABS:   ret = XA;       break;
        case EFDNEG:    ret = XA;       break;
        case EFDSUB:    ret = AB;       break;
-
-       default:
-               printk(KERN_ERR "\nOoops! SPE instruction no type found.");
-               printk(KERN_ERR "\ninst code: %08lx\n", speinsn);
        }
 
        return ret;
@@ -195,7 +191,7 @@ int do_spe_mathemu(struct pt_regs *regs)
 
        type = insn_type(speinsn);
        if (type == NOTYPE)
-               return -ENOSYS;
+               goto illegal;
 
        func = speinsn & 0x7ff;
        fc = (speinsn >> 21) & 0x1f;