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SubjectRe: kprobe support for memory access watchpoints

> I was wondering if there are plans to support a method to register
> watchpoints for memory data access with kprobe. On x86, it's possible to
> watch for read/write access to arbitrary memory locations via DR memory
> registers.

Here are couple of patches providing debug register allocation
mechanism and kernel API to register watchpoints. These patches were
posted and reviewed on lkml some time back, Please see the URL
below for details.


Prasanna S Panchamukhi
Linux Technology Center
India Software Labs, IBM Bangalore
Ph: 91-80-25044636
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