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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-03-11 02:10:07 -0400
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-03-11 02:10:07 -0400
commite14eee56c2280953c6e3d24d5dce42bd90836b81 (patch)
tree21ab792d9ad6fbbab460058f352a0158f995644e /arch/x86/math-emu/fpu_aux.c
parentd6ee6f7e4c74d9a0fed7544f4d389bde004651d3 (diff)
parent99adcd9d67aaf04e28f5ae96df280f236bde4b66 (diff)
Merge commit 'origin/master' into next
Diffstat (limited to 'arch/x86/math-emu/fpu_aux.c')
-rw-r--r--arch/x86/math-emu/fpu_aux.c31
1 files changed, 20 insertions, 11 deletions
diff --git a/arch/x86/math-emu/fpu_aux.c b/arch/x86/math-emu/fpu_aux.c
index 491e737ce547..aa0987088774 100644
--- a/arch/x86/math-emu/fpu_aux.c
+++ b/arch/x86/math-emu/fpu_aux.c
@@ -30,20 +30,29 @@ static void fclex(void)
30} 30}
31 31
32/* Needs to be externally visible */ 32/* Needs to be externally visible */
33void finit(void) 33void finit_task(struct task_struct *tsk)
34{ 34{
35 control_word = 0x037f; 35 struct i387_soft_struct *soft = &tsk->thread.xstate->soft;
36 partial_status = 0; 36 struct address *oaddr, *iaddr;
37 top = 0; /* We don't keep top in the status word internally. */ 37 soft->cwd = 0x037f;
38 fpu_tag_word = 0xffff; 38 soft->swd = 0;
39 soft->ftop = 0; /* We don't keep top in the status word internally. */
40 soft->twd = 0xffff;
39 /* The behaviour is different from that detailed in 41 /* The behaviour is different from that detailed in
40 Section 15.1.6 of the Intel manual */ 42 Section 15.1.6 of the Intel manual */
41 operand_address.offset = 0; 43 oaddr = (struct address *)&soft->foo;
42 operand_address.selector = 0; 44 oaddr->offset = 0;
43 instruction_address.offset = 0; 45 oaddr->selector = 0;
44 instruction_address.selector = 0; 46 iaddr = (struct address *)&soft->fip;
45 instruction_address.opcode = 0; 47 iaddr->offset = 0;
46 no_ip_update = 1; 48 iaddr->selector = 0;
49 iaddr->opcode = 0;
50 soft->no_update = 1;
51}
52
53void finit(void)
54{
55 finit_task(current);
47} 56}
48 57
49/* 58/*