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Date: Sun, 8 Nov 2015 09:15:22 -0800
From: Greg KH <>
To: Emese Revfy <>
Cc: Josh Triplett <>,
	Kees Cook <>,
	"" <>,
	PaX Team <>,
	Brad Spengler <>,
	Theodore Tso <>
Subject: Re: Proposal for kernel self protection features

On Sat, Nov 07, 2015 at 10:58:10PM +0100, Emese Revfy wrote:
> > > Could the plugin operate in a mode where it emits warnings to add such
> > > annotations explicitly in the code, rather than just automatically
> > > moving the data?
> > 
> > That would be nice for the constanfy mode as well, especially as some
> > people aren't using gcc to build the kernel anymore, so it would be good
> > to mark these "for real" in the .c code wherever possible to allow other
> > compilers to take advantage of the plugin indirectly.
> Yes, I can do it of course. There can be two kernel config options:
>  * warning (dry run) mode: the plugin just prints out the warnings 
>  * constify: do the constification automatically

That sounds wonderful, I would love to see this happen.


greg k-h

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