From mboxrd@z Thu Jan 1 00:00:00 1970 From: Russell King Subject: [PATCH v4 05/15] ARM: spectre: add Kconfig symbol for CPUs vulnerable to Spectre Date: Tue, 29 May 2018 10:09:22 +0100 Message-ID: References: <20180529090756.GG17671@n2100.armlinux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id DFE5D4A0E7 for ; Tue, 29 May 2018 04:59:09 -0400 (EDT) Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9Ox9Kh8AlgEg for ; Tue, 29 May 2018 04:58:44 -0400 (EDT) Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [78.32.30.218]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 1755F40458 for ; Tue, 29 May 2018 04:58:44 -0400 (EDT) In-Reply-To: <20180529090756.GG17671@n2100.armlinux.org.uk> Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu To: linux-arm-kernel@lists.infradead.org Cc: Marc Zyngier , Florian Fainelli , kvmarm@lists.cs.columbia.edu List-Id: kvmarm@lists.cs.columbia.edu Add a Kconfig symbol for CPUs which are vulnerable to the Spectre attacks. Signed-off-by: Russell King Reviewed-by: Florian Fainelli Boot-tested-by: Tony Lindgren Reviewed-by: Tony Lindgren --- arch/arm/mm/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 7f14acf67caf..6f3ef86b4cb7 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -415,6 +415,7 @@ config CPU_V7 select CPU_CP15_MPU if !MMU select CPU_HAS_ASID if MMU select CPU_PABRT_V7 + select CPU_SPECTRE if MMU select CPU_THUMB_CAPABLE select CPU_TLB_V7 if MMU @@ -826,6 +827,9 @@ config CPU_BPREDICT_DISABLE help Say Y here to disable branch prediction. If unsure, say N. +config CPU_SPECTRE + bool + config TLS_REG_EMUL bool select NEED_KUSER_HELPERS -- 2.7.4