Re: [RFC] [PATCH 3/7] Execution out of line (XOL)

[Peter Zijlstra]

On Mon, 2010-01-11 at 17:55 +0530, Srikar Dronamraju wrote:
> Execution out of line (XOL)
> 
> Slot allocation mechanism for Execution Out of Line strategy in User
> space breakpointing Inftrastructure. (XOL)
> 
> This patch provides slot allocation mechanism for execution out of
> line strategy for use with user space breakpoint infrastructure.
> This patch requires utrace support in kernel.
> 
> This patch provides five functions xol_get_insn_slot(),
> xol_free_insn_slot(), xol_put_area(), xol_get_area() and
> xol_validate_vaddr().
> 
> Current slot allocation mechanism:
> 1. Allocate one dedicated slot per user breakpoint.
> 2. If the allocated vma is completely used, expand current vma.
> 3. If we cant expand the vma, allocate a new vma.


Say what?

I see the text, but non of it makes any sense at all.

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