Messages in this thread | | | Date | Thu, 21 Nov 2013 07:49:26 -0500 | From | Steven Rostedt <> | Subject | Re: [PATCH] Add a text_poke syscall |
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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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