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xen-devel
Re: [Xen-devel] Grant Tables  & mm.c
 
You must explicitly unmap grants. So the domain which uses GNTTABOP_map_grant_ref must subsequently unmap it with GNTTABOP_unmap_grant_ref. You cannot just zap the pte! 
 
 -- Keir 
 
On 4/7/07 11:16, "Koripella Srinivas" <talkwithsrinivas@xxxxxxxxxxx> wrote: 
 
Hi, 
I am using grant tables to set up a shared memory between two guests. 
One problem i am facing is that as soon as the shared memory is set up one of the domain crashes with the log message  
 "Attempt to implicitly unmap a granted PTE". 
the message is from function "put_page_from_l1e" in mm.c(arch/x86). 
 
what could be the reason? Any pointers would be of great help 
 
 
 
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