Author: br
Date: Wed Feb 17 14:13:25 2016
New Revision: 295699
URL: https://svnweb.freebsd.org/changeset/base/295699
Log:
There is no need to pre save tp in cpu_fork().
Discussed with: jhb
Modified:
head/sys/riscv/riscv/vm_machdep.c
Modified: head/sys/riscv/riscv/vm_machdep.c
==============================================================================
--- head/sys/riscv/riscv/vm_machdep.c Wed Feb 17 13:49:38 2016
(r295698)
+++ head/sys/riscv/riscv/vm_machdep.c Wed Feb 17 14:13:25 2016
(r295699)
@@ -64,16 +64,10 @@ cpu_fork(struct thread *td1, struct proc
{
struct pcb *pcb2;
struct trapframe *tf;
- uint64_t val;
if ((flags & RFPROC) == 0)
return;
- if (td1 == curthread) {
- __asm __volatile("mv %0, tp" : "=&r"(val));
- td1->td_pcb->pcb_tp = val;
- }
-
pcb2 = (struct pcb *)(td2->td_kstack +
td2->td_kstack_pages * PAGE_SIZE) - 1;
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