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Repair the RAS check.

This commit is contained in:
ad 2007-09-28 17:02:39 +00:00
parent fff21ff359
commit 2b42802f4e
1 changed files with 12 additions and 15 deletions
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27
sys/arch/xen/i386/locore.S
View File

@ -1,4 +1,4 @@
/* $NetBSD: locore.S,v 1.30 2007/09/27 21:14:04 bouyer Exp $ */
/* $NetBSD: locore.S,v 1.31 2007/09/28 17:02:39 ad Exp $ */
/* NetBSD: locore.S,v 1.31 2004/08/26 10:12:33 junyoung Exp */
/*
@ -697,9 +697,17 @@ switch_skipsave:
* Check for restartable atomic sequences (RAS)
*/
movl L_PROC(%edi),%ebx
cmpl $0,P_RASLIST(%ebx)
jne check_ras
movl L_PROC(%edi),%eax
cmpl $0,P_RASLIST(%eax)
jz switch_return
movl L_MD_REGS(%edi),%ebx
pushl TF_EIP(%ebx)
pushl %eax
call _C_LABEL(ras_lookup)
addl $8,%esp
cmpl $-1,%eax
je switch_return
movl %eax,TF_EIP(%ebx)
switch_return:
movl %esi,%eax # return 'oldlwp'
@ -708,17 +716,6 @@ switch_return:
popl %ebx
ret
check_ras:
movl L_MD_REGS(%edi),%ecx
pushl TF_EIP(%ecx)
pushl %eax
call _C_LABEL(ras_lookup)
addl $8,%esp
cmpl $-1,%eax
je switch_return
movl L_MD_REGS(%edi),%ecx
movl %eax,TF_EIP(%ecx)
jmp switch_return
/*
* void savectx(struct pcb *pcb);