Re: [PATCH] Add a text_poke syscall

[Steven Rostedt]

On Wed, Nov 20, 2013 at 08:42:03AM -0800, H. Peter Anvin wrote:
> We're talking user space here, which has different requirement (COW,
> memory protection, ...) which means it is not really the same code.  You
> can't take a page fault while patching the kernel.

Well, technically you can take a page fault while patching the kernel. It
happens all the time when patching modules (vmalloc'd).

But I get your point. You don't have to worry about COW or being paged
out. "page fault" is just too general of a term. And yes, I'm being anal ;-)

-- Steve

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