[v4,12/12] arm64: enable generic CPU vulnerabilites support

Message ID	20190125180711.1970973-13-jeremy.linton@arm.com
State	Superseded
Headers	show Delivered-To: patch@linaro.org Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; From: Jeremy Linton <jeremy.linton@arm.com> To: linux-arm-kernel@lists.infradead.org Cc: catalin.marinas@arm.com, will.deacon@arm.com, marc.zyngier@arm.com, suzuki.poulose@arm.com, dave.martin@arm.com, shankerd@codeaurora.org, linux-kernel@vger.kernel.org, ykaukab@suse.de, julien.thierry@arm.com, mlangsdo@redhat.com, steven.price@arm.com, stefan.wahren@i2se.com, Jeremy Linton <jeremy.linton@arm.com> Subject: [PATCH v4 12/12] arm64: enable generic CPU vulnerabilites support Date: Fri, 25 Jan 2019 12:07:11 -0600 Message-Id: <20190125180711.1970973-13-jeremy.linton@arm.com> In-Reply-To: <20190125180711.1970973-1-jeremy.linton@arm.com> References: <20190125180711.1970973-1-jeremy.linton@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk
Series	arm64: add system vulnerability sysfs entries \| expand [v4,00/12] arm64: add system vulnerability sysfs entries [v4,01/12] Documentation: Document arm64 kpti control [v4,02/12] arm64: Provide a command line to disable spectre_v2 mitigation [v4,03/12] arm64: Remove the ability to build a kernel without ssbd [v4,04/12] arm64: remove the ability to build a kernel without hardened branch predictors [v4,05/12] arm64: remove the ability to build a kernel without kpti [v4,06/12] arm64: add sysfs vulnerability show for spectre v1 [v4,07/12] arm64: add sysfs vulnerability show for meltdown [v4,08/12] arm64: Advertise mitigation of Spectre-v2, or lack thereof [v4,09/12] arm64: Use firmware to detect CPUs that are not affected by Spectre-v2 [v4,10/12] arm64: add sysfs vulnerability show for spectre v2 [v4,11/12] arm64: add sysfs vulnerability show for speculative store bypass [v4,12/12] arm64: enable generic CPU vulnerabilites support

Message ID

20190125180711.1970973-13-jeremy.linton@arm.com

State

Superseded

Headers

Received-SPF: pass (google.com: best guess record for domain of
	linux-kernel-owner@vger.kernel.org designates 209.132.180.67
	as permitted sender) client-ip=209.132.180.67; 
From: Jeremy Linton <jeremy.linton@arm.com>
To: linux-arm-kernel@lists.infradead.org
Cc: catalin.marinas@arm.com, will.deacon@arm.com, marc.zyngier@arm.com,
	suzuki.poulose@arm.com, dave.martin@arm.com,
	shankerd@codeaurora.org, linux-kernel@vger.kernel.org,
	ykaukab@suse.de, julien.thierry@arm.com, mlangsdo@redhat.com,
	steven.price@arm.com, stefan.wahren@i2se.com,
	Jeremy Linton <jeremy.linton@arm.com>
Subject: [PATCH v4 12/12] arm64: enable generic CPU vulnerabilites support
Date: Fri, 25 Jan 2019 12:07:11 -0600
Message-Id: <20190125180711.1970973-13-jeremy.linton@arm.com>
In-Reply-To: <20190125180711.1970973-1-jeremy.linton@arm.com>
References: <20190125180711.1970973-1-jeremy.linton@arm.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Series

arm64: add system vulnerability sysfs entries | expand

Commit Message

Jeremy Linton Jan. 25, 2019, 6:07 p.m. UTC

From: Mian Yousaf Kaukab <ykaukab@suse.de>


Enable CPU vulnerabilty show functions for spectre_v1, spectre_v2,
meltdown and store-bypass.

Signed-off-by: Mian Yousaf Kaukab <ykaukab@suse.de>

Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>

---
 arch/arm64/Kconfig | 1 +
 1 file changed, 1 insertion(+)

-- 
2.17.2

Comments

Andre Przywara Jan. 31, 2019, 5:56 p.m. UTC | #1

On Fri, 25 Jan 2019 12:07:11 -0600
Jeremy Linton <jeremy.linton@arm.com> wrote:

> From: Mian Yousaf Kaukab <ykaukab@suse.de>

> 

> Enable CPU vulnerabilty show functions for spectre_v1, spectre_v2,

> meltdown and store-bypass.

> 

> Signed-off-by: Mian Yousaf Kaukab <ykaukab@suse.de>

> Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>


Reviewed-by: Andre Przywara <andre.przywara@arm.com>


Cheers,
Andre

> ---

>  arch/arm64/Kconfig | 1 +

>  1 file changed, 1 insertion(+)

> 

> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig

> index 09a85410d814..36a7cfbbfbb3 100644

> --- a/arch/arm64/Kconfig

> +++ b/arch/arm64/Kconfig

> @@ -88,6 +88,7 @@ config ARM64

>  	select GENERIC_CLOCKEVENTS

>  	select GENERIC_CLOCKEVENTS_BROADCAST

>  	select GENERIC_CPU_AUTOPROBE

> +	select GENERIC_CPU_VULNERABILITIES

>  	select GENERIC_EARLY_IOREMAP

>  	select GENERIC_IDLE_POLL_SETUP

>  	select GENERIC_IRQ_MULTI_HANDLER

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 09a85410d814..36a7cfbbfbb3 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -88,6 +88,7 @@  config ARM64
 	select GENERIC_CLOCKEVENTS
 	select GENERIC_CLOCKEVENTS_BROADCAST
 	select GENERIC_CPU_AUTOPROBE
+	select GENERIC_CPU_VULNERABILITIES
 	select GENERIC_EARLY_IOREMAP
 	select GENERIC_IDLE_POLL_SETUP
 	select GENERIC_IRQ_MULTI_HANDLER

[v4,12/12] arm64: enable generic CPU vulnerabilites support

Commit Message

Comments

Patch