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Commit 441c7416 authored by Jeremy Fitzhardinge's avatar Jeremy Fitzhardinge
Browse files

xen/privcmd: print SIGBUS faults 



Print more detail about privcmd mapping faults for debugging.

[ Impact: debug ]

Signed-off-by: default avatarJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
parent 35f8c1c3

drivers/xen/xenfs/privcmd.c

+4 −0
Original line number Diff line number Diff line
@@ -403,6 +403,10 @@ static long privcmd_ioctl(struct file *file, 
#ifndef HAVE_ARCH_PRIVCMD_MMAP

static int privcmd_fault(struct vm_area_struct *vma, struct vm_fault *vmf)

{

	printk(KERN_DEBUG "privcmd_fault: vma=%p %lx-%lx, pgoff=%lx, uv=%p\n",

	       vma, vma->vm_start, vma->vm_end,

	       vmf->pgoff, vmf->virtual_address);



	return VM_FAULT_SIGBUS;

}