Messages in this thread | | | Date | Sat, 23 Jun 2012 12:18:29 +0800 | Subject | Re: [PATCH] Implement uhook(call kernel func from userspace) driver | From | Peiyong Feng <> |
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2012/6/23 Greg KH <gregkh@linuxfoundation.org>: > On Sat, Jun 23, 2012 at 11:20:35AM +0800, Peiyong Feng wrote: >> Hi all, >> >> This patch implement the uhook kernel driver. Here are some ideals and >> explanations: >> >> 1. What is uhook >> >> uhook(userspace kernel hook) means call kernel function from >> userspace. That is to say, we can >> >> write a function in kernel space and call it in userspace while the >> kernel Image is running. For example: > > That's, um, "interesting", but is of course, nothing we can accept into > the main kernel tree, as I'm sure you can understand. Otherwise, you > just created a few thousand undocumented system calls whose behavior > changes every release which is not something we can accept. > > But it is a great hack, very nicely done. I'm sure that some people > will like it for debugging, although I'm not quite sure you got all of
Well, is there some other tree I can commit the patch? > the user/kernel boundry conditions correct, and I know the 32/64bit > issues aren't handled, which you might want to clean up sometime in the
I am still working on it. The ultimate aim is that the uhook module can process any funciton and any data type > future. > > greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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