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VM - clear vminhibit iff it was set

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Tomas Hruby 2011-11-06 21:37:34 +00:00 committed by Tomas Hruby
parent 758d788bbe
commit 974452d4dd
1 changed files with 8 additions and 3 deletions
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11
servers/vm/arch/i386/pagetable.c
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@ -672,14 +672,17 @@ PUBLIC int pt_writemap(struct vmproc * vmp,
int ret = OK;
#ifdef CONFIG_SMP
int vminhibit_clear = 0;
/* FIXME
* don't do it everytime, stop the process only on the first change and
* resume the execution on the last change. Do in a wrapper of this
* function
*/
if (vmp && vmp->vm_endpoint != NONE && vmp->vm_endpoint != VM_PROC_NR &&
!(vmp->vm_flags & VMF_EXITING))
!(vmp->vm_flags & VMF_EXITING)) {
sys_vmctl(vmp->vm_endpoint, VMCTL_VMINHIBIT_SET, 0);
vminhibit_clear = 1;
}
#endif
if(writemapflags & WMF_VERIFY)
@ -780,9 +783,11 @@ PUBLIC int pt_writemap(struct vmproc * vmp,
resume_exit:
#ifdef CONFIG_SMP
if (vmp && vmp->vm_endpoint != NONE && vmp->vm_endpoint != VM_PROC_NR &&
!(vmp->vm_flags & VMF_EXITING))
if (vminhibit_clear) {
assert(vmp && vmp->vm_endpoint != NONE && vmp->vm_endpoint != VM_PROC_NR &&
!(vmp->vm_flags & VMF_EXITING));
sys_vmctl(vmp->vm_endpoint, VMCTL_VMINHIBIT_CLEAR, 0);
}
#endif
return ret;