These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / powerpc / lib / checksum_64.S

diff --git a/kernel/arch/powerpc/lib/checksum_64.S b/kernel/arch/powerpc/lib/checksum_64.S
index 57a0720..f3ef354 100644 (file)
--- a/kernel/arch/powerpc/lib/checksum_64.S
+++ b/kernel/arch/powerpc/lib/checksum_64.S
@@ -44,27 +44,6 @@ _GLOBAL(ip_fast_csum)
        srwi    r3,r3,16
        blr
 
-/*
- * Compute checksum of TCP or UDP pseudo-header:
- *   csum_tcpudp_magic(r3=saddr, r4=daddr, r5=len, r6=proto, r7=sum)
- * No real gain trying to do this specially for 64 bit, but
- * the 32 bit addition may spill into the upper bits of
- * the doubleword so we still must fold it down from 64.
- */    
-_GLOBAL(csum_tcpudp_magic)
-       rlwimi  r5,r6,16,0,15   /* put proto in upper half of len */
-       addc    r0,r3,r4        /* add 4 32-bit words together */
-       adde    r0,r0,r5
-       adde    r0,r0,r7
-        rldicl  r4,r0,32,0      /* fold 64 bit value */
-        add     r0,r4,r0
-        srdi    r0,r0,32
-       rlwinm  r3,r0,16,0,31   /* fold two halves together */
-       add     r3,r0,r3
-       not     r3,r3
-       srwi    r3,r3,16
-       blr
-
 /*
  * Computes the checksum of a memory block at buff, length len,
  * and adds in "sum" (32-bit).