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From: Will Deacon <will.deacon@arm.com>
To: Borislav Petkov <bp@alien8.de>
Cc: X86 ML <x86@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Andy Lutomirsky <luto@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Dave Hansen <dave.hansen@intel.com>,
	Greg KH <gregkh@linuxfoundation.org>,
	keescook@google.com, hughd@google.com,
	Brian Gerst <brgerst@gmail.com>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Denys Vlasenko <dvlasenk@redhat.com>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	Juergen Gross <jgross@suse.com>,
	David Laight <David.Laight@aculab.com>,
	Eduardo Valentin <eduval@amazon.com>,
	aliguori@amazon.com, daniel.gruss@iaik.tugraz.at,
	tglx@linutronix.de
Subject: Re: [PATCH] x86/pti: Add pti= cmdline option and documentation
Date: Tue, 12 Dec 2017 14:28:56 +0000	[thread overview]
Message-ID: <20171212142856.GA15783@arm.com> (raw)
In-Reply-To: <20171212133952.10177-1-bp@alien8.de>

Hi Borislav, [+ tglx]

On Tue, Dec 12, 2017 at 02:39:52PM +0100, Borislav Petkov wrote:
> From: Borislav Petkov <bp@suse.de>
> 
> Keep the "nopti" for traditional reasons.
> 
> Requested-by: Linus Torvalds <torvalds@linux-foundation.org>
> Signed-off-by: Borislav Petkov <bp@suse.de>
> Cc: Linus Torvalds <torvalds@linux-foundation.org>
> Cc: Andy Lutomirsky <luto@kernel.org>
> Cc: Peter Zijlstra <peterz@infradead.org>
> Cc: Dave Hansen <dave.hansen@intel.com>
> Cc: Greg KH <gregkh@linuxfoundation.org>
> Cc: keescook@google.com
> Cc: hughd@google.com
> Cc: Brian Gerst <brgerst@gmail.com>
> Cc: Josh Poimboeuf <jpoimboe@redhat.com>
> Cc: Denys Vlasenko <dvlasenk@redhat.com>
> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
> Cc: Juergen Gross <jgross@suse.com>
> Cc: David Laight <David.Laight@aculab.com>
> Cc: Eduardo Valentin <eduval@amazon.com>
> Cc: aliguori@amazon.com
> Cc: Will Deacon <will.deacon@arm.com>
> Cc: daniel.gruss@iaik.tugraz.at
> ---
>  Documentation/admin-guide/kernel-parameters.txt |  6 ++++++
>  arch/x86/mm/pti.c                               | 18 ++++++++++++++++++
>  2 files changed, 24 insertions(+)

On arm64, I've gone for kpti=. I'm happy to change this to align with x86,
but the patches are queued now so I don't want to keep changing it.

Is "pti=" definitely what you're going for on x86?

Will

  parent reply	other threads:[~2017-12-12 14:28 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-12 13:39 Borislav Petkov
2017-12-12 13:46 ` Juergen Gross
2017-12-12 14:28 ` Will Deacon [this message]
2017-12-14 15:18   ` Will Deacon
2017-12-18 12:33     ` Ingo Molnar

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