Messages in this thread |  | | Date | Thu, 9 Jul 2020 12:01:07 +0100 | From | Christoph Hellwig <> | Subject | Re: [PATCH] arm64: kernel: Add module symbols _text, _etext. |
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On Thu, Jul 09, 2020 at 10:49:51AM +0100, Will Deacon wrote: > On Thu, Jul 09, 2020 at 05:23:45PM +0900, sanggil2.kim@samsung.com wrote: > > From: Sanggil Kim <sanggil2.kim@samsung.com> > > > > We have a solution to protect kernel code section(autually from _text to > > _etext) by not MMU. In order to do this, we have to know the addresses > > of _text and _etext at runtime. > > Interesting! Can you post patches so that we can implement this solution > upstream? Without an in-tree user, we won't be exporting these symbols.
And even with that I'm pretty sure the code doing the 'protection' should be built-in and not modular..
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