linux-kernel - Re: [PATCH 00/24] x86/mm: Add KAISER support

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Message-ID: <alpine.DEB.2.20.1711271456300.1799@nanos>
Date:   Mon, 27 Nov 2017 14:57:17 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Borislav Petkov <bp@...en8.de>
cc:     Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...capital.net>,
        "H . Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 00/24] x86/mm: Add KAISER support

On Mon, 27 Nov 2017, Borislav Petkov wrote:
> On Mon, Nov 27, 2017 at 11:48:59AM +0100, Ingo Molnar wrote:
> > Sending this out for another round of review.
> > 
> > These are the main KAISER patches, on top of the preparatory series I just sent.
> > This includes KAISER support plus enhancements on top, all the latest code.
> > 
> > ( All review feedback so far is incorporated - if anything is missing please
> >   let me know. )
> 
> Something's missing:
> 
> arch/x86/boot/compressed/pagetable.o: In function `kernel_ident_mapping_init':
> pagetable.c:(.text+0x3cc): undefined reference to `kaiser_enabled'
> pagetable.c:(.text+0x400): undefined reference to `__supported_pte_mask'
> pagetable.c:(.text+0x473): undefined reference to `system_state'
> make[2]: *** [arch/x86/boot/compressed/vmlinux] Error 1
> make[1]: *** [arch/x86/boot/compressed/vmlinux] Error 2
> make: *** [bzImage] Error 2
> make: *** Waiting for unfinished jobs....
> 
> I suspect it is that core patch but need to stare at it more. .config
> attached.

That's the core patch plus the run time enablement I did.

Thanks,

	tglx