From: Ingo Molnar <mingo@kernel.org>
To: Borislav Petkov <bp@alien8.de>
Cc: Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org,
Dave Hansen <dave.hansen@linux.intel.com>,
Andy Lutomirski <luto@amacapital.net>,
"H . Peter Anvin" <hpa@zytor.com>,
Peter Zijlstra <peterz@infradead.org>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH 00/24] x86/mm: Add KAISER support
Date: Mon, 27 Nov 2017 15:08:22 +0100 [thread overview]
Message-ID: <20171127140822.7cmlv77cznvzgf6b@gmail.com> (raw)
In-Reply-To: <20171127140344.lc22ajgwp5fi7gs5@gmail.com>
* Ingo Molnar <mingo@kernel.org> wrote:
> > diff --git a/arch/x86/boot/compressed/pagetable.c b/arch/x86/boot/compressed/pagetable.c
> > index d5364ca2e3f9..63eaa71ad9f1 100644
> > --- a/arch/x86/boot/compressed/pagetable.c
> > +++ b/arch/x86/boot/compressed/pagetable.c
> > @@ -22,6 +22,7 @@
> > * the SME support to avoid any compile and link errors.
> > */
> > #undef CONFIG_AMD_MEM_ENCRYPT
> > +#undef CONFIG_KAISER
> >
> > #include "misc.h"
>
> Yeah - will use one with a bit more explanation:
>
> arch/x86/boot/compressed/pagetable.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/arch/x86/boot/compressed/pagetable.c b/arch/x86/boot/compressed/pagetable.c
> index d5364ca2e3f9..6bd51de4475c 100644
> --- a/arch/x86/boot/compressed/pagetable.c
> +++ b/arch/x86/boot/compressed/pagetable.c
> @@ -23,6 +23,11 @@
> */
> #undef CONFIG_AMD_MEM_ENCRYPT
>
> +/*
> + * No KAISER support needed either:
> + */
> +#undef CONFIG_KAISER
> +
> #include "misc.h"
>
> /* These actually do the work of building the kernel identity maps. */
Ok, have refreshed the -tip branches with this fix as well.
Thanks,
Ingo
next prev parent reply other threads:[~2017-11-27 14:08 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-27 10:48 [PATCH 00/24] x86/mm: Add KAISER support Ingo Molnar
2017-11-27 10:49 ` [PATCH 01/24] x86/mm/kaiser: Disable global pages by default with KAISER Ingo Molnar
2017-11-27 10:49 ` [PATCH 02/24] x86/mm/kaiser: Prepare the x86/entry assembly code for entry/exit CR3 switching Ingo Molnar
2017-11-27 17:31 ` Peter Zijlstra
2017-11-27 17:33 ` Thomas Gleixner
2017-11-27 21:00 ` Peter Zijlstra
2017-11-27 10:49 ` [PATCH 03/24] x86/mm/kaiser: Introduce user-mapped per-CPU areas Ingo Molnar
2017-11-27 10:49 ` [PATCH 04/24] x86/mm/kaiser: Unmap kernel mappings from userspace page tables, core patch Ingo Molnar
2017-11-27 15:39 ` Peter Zijlstra
2017-11-27 17:04 ` Borislav Petkov
2017-11-27 19:17 ` Dave Hansen
2017-11-28 10:34 ` Peter Zijlstra
2017-11-27 10:49 ` [PATCH 05/24] x86/mm/kaiser: Allow NX poison to be set in p4d/pgd Ingo Molnar
2017-11-27 10:49 ` [PATCH 06/24] x86/mm/kaiser: Make sure the static PGDs are 8k in size Ingo Molnar
2017-11-27 10:49 ` [PATCH 07/24] x86/mm/kaiser: Map the CPU entry area Ingo Molnar
2017-11-27 10:49 ` [PATCH 08/24] x86/mm/kaiser: Map the dynamically-allocated LDTs Ingo Molnar
2017-11-29 22:03 ` [08/24] " Guenter Roeck
2017-11-27 10:49 ` [PATCH 09/24] x86/mm/kaiser: Map the espfix structures Ingo Molnar
2017-11-27 10:49 ` [PATCH 10/24] x86/mm/kaiser: Map the entry stack variables Ingo Molnar
2017-11-27 17:22 ` Peter Zijlstra
2017-11-27 17:32 ` Thomas Gleixner
2017-11-27 21:00 ` Peter Zijlstra
2017-11-27 17:29 ` Peter Zijlstra
2017-11-27 17:32 ` Thomas Gleixner
2017-11-27 10:49 ` [PATCH 11/24] x86/mm/kaiser: Map virtually-addressed performance monitoring buffers Ingo Molnar
2017-11-27 10:49 ` [PATCH 12/24] x86/mm: Move the CR3 construction functions to tlbflush.h Ingo Molnar
2017-11-27 10:49 ` [PATCH 13/24] x86/mm: Remove hard-coded ASID limit checks Ingo Molnar
2017-11-27 10:49 ` [PATCH 14/24] x86/mm: Put MMU-to-h/w ASID translation in one place Ingo Molnar
2017-11-27 10:49 ` [PATCH 15/24] x86/mm: Allow flushing for future ASID switches Ingo Molnar
2017-11-28 5:16 ` Andy Lutomirski
2017-11-28 7:32 ` Dave Hansen
2017-11-28 16:39 ` Peter Zijlstra
2017-11-28 16:48 ` Peter Zijlstra
2017-11-28 18:13 ` Dave Hansen
2017-11-28 19:05 ` Peter Zijlstra
2017-11-28 19:36 ` Peter Zijlstra
2017-11-28 20:34 ` Andy Lutomirski
2017-11-28 20:39 ` Peter Zijlstra
2017-11-28 20:45 ` Peter Zijlstra
2017-11-30 15:40 ` Peter Zijlstra
2017-11-30 15:42 ` Andy Lutomirski
2017-11-30 15:44 ` Peter Zijlstra
2017-11-30 15:51 ` Dave Hansen
2017-11-30 16:18 ` Peter Zijlstra
2017-11-30 18:44 ` Dave Hansen
2017-11-30 18:48 ` Andy Lutomirski
2017-11-30 18:53 ` Dave Hansen
2017-11-30 20:01 ` Peter Zijlstra
2017-11-30 21:51 ` Andy Lutomirski
2017-11-30 18:55 ` Peter Zijlstra
2017-11-30 19:00 ` Dave Hansen
2017-11-30 19:20 ` Peter Zijlstra
2017-11-27 10:49 ` [PATCH 16/24] x86/mm/kaiser: Use PCID feature to make user and kernel switches faster Ingo Molnar
2017-11-28 5:22 ` Andy Lutomirski
2017-11-28 7:52 ` Dave Hansen
2017-11-27 10:49 ` [PATCH 17/24] x86/mm/kaiser: Disable native VSYSCALL Ingo Molnar
2017-11-27 10:49 ` [PATCH 18/24] x86/mm/kaiser: Add Kconfig Ingo Molnar
2017-11-27 10:49 ` [PATCH 19/24] x86/mm/kaiser: Respect disabled CPU features Ingo Molnar
2017-11-27 10:49 ` [PATCH 20/24] x86/mm/kaiser: Simplify disabling of global pages Ingo Molnar
2017-11-27 10:49 ` [PATCH 21/24] x86/mm/dump_pagetables: Check Kaiser shadow page table for WX pages Ingo Molnar
2017-11-27 10:49 ` [PATCH 22/24] x86/mm/debug_pagetables: Allow dumping current pagetables Ingo Molnar
2017-11-27 10:49 ` [PATCH 23/24] x86/mm/kaiser: Add boot time disable switch Ingo Molnar
2017-11-27 10:49 ` [PATCH 24/24] x86/mm/kaiser: Use the other page_table_lock pattern Ingo Molnar
2017-11-27 13:51 ` [PATCH 00/24] x86/mm: Add KAISER support Borislav Petkov
2017-11-27 13:57 ` Thomas Gleixner
2017-11-27 13:59 ` Borislav Petkov
2017-11-27 14:03 ` Ingo Molnar
2017-11-27 14:08 ` Ingo Molnar [this message]
2017-11-27 19:43 ` Linus Torvalds
2017-11-27 20:01 ` Linus Torvalds
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