Messages in this thread | | | From | Arnd Bergmann <> | Date | Tue, 28 Mar 2017 09:49:55 +0200 | Subject | Re: [kernel-hardening] [PATCH v5 1/4] gcc-plugins: Add the initify gcc plugin |
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On Mon, Mar 27, 2017 at 6:14 PM, Kees Cook <keescook@chromium.org> wrote: > On Mon, Mar 27, 2017 at 12:38 AM, Andrew Donnellan > <andrew.donnellan@au1.ibm.com> wrote: >> On 01/02/17 07:24, Kees Cook wrote: >>> >>> From: Emese Revfy <re.emese@gmail.com> >>> >>> The kernel already has a mechanism to free up code and data memory that >>> is only used during kernel or module initialization. This plugin will >>> teach the compiler to find more such code and data that can be freed >>> after initialization. >> >> >> Currently checking whether we can wire this up for powerpc without too many >> problems... > > Cool, thanks. FWIW, note that this plugin is a bit back-burnered at > the moment. I've got this in my -next tree still, but it needs some > rather large changes to how it does its annotations before Linus will > accept it.
I've tried turning it on again a few days ago and still got too many build problems with my randconfig tree, so I've turned it off again. I think I've already reported most of what I found now, so I did not send out new reports.
Arnd
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