| From | Avi Kivity <> | Subject | [PATCH 001/104] KVM: Fix *nopage() in kvm_main.c | Date | Mon, 17 Sep 2007 10:30:43 +0200 |
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From: Nguyen Anh Quynh <aquynh@gmail.com>
*nopage() in kvm_main.c should only store the type of mmap() fault if the pointers are not NULL. This patch fixes the problem.
Signed-off-by: Nguyen Anh Quynh <aquynh@gmail.com> Signed-off-by: Avi Kivity <avi@qumranet.com> --- drivers/kvm/kvm_main.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index cd05579..36a458f 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -2285,7 +2285,6 @@ static struct page *kvm_vcpu_nopage(struct vm_area_struct *vma, unsigned long pgoff; struct page *page; - *type = VM_FAULT_MINOR; pgoff = ((address - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff; if (pgoff == 0) page = virt_to_page(vcpu->run); @@ -2294,6 +2293,9 @@ static struct page *kvm_vcpu_nopage(struct vm_area_struct *vma, else return NOPAGE_SIGBUS; get_page(page); + if (type != NULL) + *type = VM_FAULT_MINOR; + return page; } @@ -2768,12 +2770,14 @@ static struct page *kvm_vm_nopage(struct vm_area_struct *vma, unsigned long pgoff; struct page *page; - *type = VM_FAULT_MINOR; pgoff = ((address - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff; page = gfn_to_page(kvm, pgoff); if (!page) return NOPAGE_SIGBUS; get_page(page); + if (type != NULL) + *type = VM_FAULT_MINOR; + return page; } -- 1.5.3 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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