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From: Florian Fainelli <f.fainelli@gmail.com>
To: linux-arm-kernel@lists.infradead.org
Cc: Florian Fainelli <f.fainelli@gmail.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>, Jonathan Corbet <corbet@lwn.net>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Vladimir Murzin <vladimir.murzin@arm.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Doug Berger <opendmb@gmail.com>,
	Hanjun Guo <guohanjun@huawei.com>, Qian Cai <cai@lca.pw>,
	Zhang Lei <zhang.lei@jp.fujitsu.com>,
	Marc Zyngier <maz@kernel.org>,
	Jeremy Linton <jeremy.linton@arm.com>,
	Andre Przywara <andre.przywara@arm.com>,
	linux-doc@vger.kernel.org (open list:DOCUMENTATION),
	linux-kernel@vger.kernel.org (open list)
Subject: [PATCH v2 2/3] arm64: Brahma-B53 is SSB and spectre v2 safe
Date: Thu, 31 Oct 2019 14:47:24 -0700	[thread overview]
Message-ID: <20191031214725.1491-3-f.fainelli@gmail.com> (raw)
In-Reply-To: <20191031214725.1491-1-f.fainelli@gmail.com>

Add the Brahma-B53 CPU (all versions) to the whitelists of CPUs for the
SSB and spectre v2 mitigations.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 arch/arm64/kernel/cpu_errata.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index c065dd48d661..9b1ba1f489ac 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -489,6 +489,7 @@ static const struct midr_range arm64_ssb_cpus[] = {
 	MIDR_ALL_VERSIONS(MIDR_CORTEX_A35),
 	MIDR_ALL_VERSIONS(MIDR_CORTEX_A53),
 	MIDR_ALL_VERSIONS(MIDR_CORTEX_A55),
+	MIDR_ALL_VERSIONS(MIDR_BRAHMA_B53),
 	{},
 };
 
@@ -573,6 +574,7 @@ static const struct midr_range spectre_v2_safe_list[] = {
 	MIDR_ALL_VERSIONS(MIDR_CORTEX_A35),
 	MIDR_ALL_VERSIONS(MIDR_CORTEX_A53),
 	MIDR_ALL_VERSIONS(MIDR_CORTEX_A55),
+	MIDR_ALL_VERSIONS(MIDR_BRAHMA_B53),
 	{ /* sentinel */ }
 };
 
-- 
2.17.1


WARNING: multiple messages have this Message-ID (diff)
From: Florian Fainelli <f.fainelli@gmail.com>
To: linux-arm-kernel@lists.infradead.org
Cc: Mark Rutland <mark.rutland@arm.com>,
	Marc Zyngier <maz@kernel.org>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Jonathan Corbet <corbet@lwn.net>,
	"open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
	open list <linux-kernel@vger.kernel.org>,
	Jeremy Linton <jeremy.linton@arm.com>,
	Zhang Lei <zhang.lei@jp.fujitsu.com>,
	Andre Przywara <andre.przywara@arm.com>,
	Vladimir Murzin <vladimir.murzin@arm.com>, Qian Cai <cai@lca.pw>,
	Hanjun Guo <guohanjun@huawei.com>,
	Doug Berger <opendmb@gmail.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Will Deacon <will@kernel.org>
Subject: [PATCH v2 2/3] arm64: Brahma-B53 is SSB and spectre v2 safe
Date: Thu, 31 Oct 2019 14:47:24 -0700	[thread overview]
Message-ID: <20191031214725.1491-3-f.fainelli@gmail.com> (raw)
In-Reply-To: <20191031214725.1491-1-f.fainelli@gmail.com>

Add the Brahma-B53 CPU (all versions) to the whitelists of CPUs for the
SSB and spectre v2 mitigations.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 arch/arm64/kernel/cpu_errata.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index c065dd48d661..9b1ba1f489ac 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -489,6 +489,7 @@ static const struct midr_range arm64_ssb_cpus[] = {
 	MIDR_ALL_VERSIONS(MIDR_CORTEX_A35),
 	MIDR_ALL_VERSIONS(MIDR_CORTEX_A53),
 	MIDR_ALL_VERSIONS(MIDR_CORTEX_A55),
+	MIDR_ALL_VERSIONS(MIDR_BRAHMA_B53),
 	{},
 };
 
@@ -573,6 +574,7 @@ static const struct midr_range spectre_v2_safe_list[] = {
 	MIDR_ALL_VERSIONS(MIDR_CORTEX_A35),
 	MIDR_ALL_VERSIONS(MIDR_CORTEX_A53),
 	MIDR_ALL_VERSIONS(MIDR_CORTEX_A55),
+	MIDR_ALL_VERSIONS(MIDR_BRAHMA_B53),
 	{ /* sentinel */ }
 };
 
-- 
2.17.1


_______________________________________________
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  parent reply	other threads:[~2019-10-31 21:48 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-31 21:47 [PATCH v2 0/3] arm64: Brahma-B53 erratum updates Florian Fainelli
2019-10-31 21:47 ` Florian Fainelli
2019-10-31 21:47 ` [PATCH v2 1/3] arm64: apply ARM64_ERRATUM_845719 workaround for Brahma-B53 core Florian Fainelli
2019-10-31 21:47   ` Florian Fainelli
2019-10-31 21:47 ` Florian Fainelli [this message]
2019-10-31 21:47   ` [PATCH v2 2/3] arm64: Brahma-B53 is SSB and spectre v2 safe Florian Fainelli
2019-10-31 21:47 ` [PATCH v2 3/3] arm64: apply ARM64_ERRATUM_843419 workaround for Brahma-B53 core Florian Fainelli
2019-10-31 21:47   ` Florian Fainelli
2019-11-01 12:01 ` [PATCH v2 0/3] arm64: Brahma-B53 erratum updates Will Deacon
2019-11-01 12:01   ` Will Deacon

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