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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,
	julien.thierry@arm.com, mlangsdo@redhat.com,
	stefan.wahren@i2e.com, Andre.Przywara@arm.com,
	linux-kernel@vger.kernel.org,
	Mian Yousaf Kaukab <ykaukab@suse.de>,
	Jeremy Linton <jeremy.linton@arm.com>,
	Andre Przywara <andre.przywara@arm.com>,
	Stefan Wahren <stefan.wahren@i2se.com>
Subject: [PATCH v6 02/10] arm64: add sysfs vulnerability show for spectre v1
Date: Thu, 21 Mar 2019 18:05:49 -0500	[thread overview]
Message-ID: <20190321230557.45107-3-jeremy.linton@arm.com> (raw)
In-Reply-To: <20190321230557.45107-1-jeremy.linton@arm.com>

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

spectre v1, has been mitigated, and the mitigation is
always active.

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>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
 arch/arm64/kernel/cpu_errata.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index d2b2c69d31bb..cf623657cf3c 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -755,3 +755,9 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
 	{
 	}
 };
+
+ssize_t cpu_show_spectre_v1(struct device *dev, struct device_attribute *attr,
+			    char *buf)
+{
+	return sprintf(buf, "Mitigation: __user pointer sanitization\n");
+}
-- 
2.20.1


WARNING: multiple messages have this Message-ID (diff)
From: Jeremy Linton <jeremy.linton@arm.com>
To: linux-arm-kernel@lists.infradead.org
Cc: Stefan Wahren <stefan.wahren@i2se.com>,
	mlangsdo@redhat.com, suzuki.poulose@arm.com,
	marc.zyngier@arm.com, catalin.marinas@arm.com,
	julien.thierry@arm.com, will.deacon@arm.com,
	linux-kernel@vger.kernel.org,
	Jeremy Linton <jeremy.linton@arm.com>,
	stefan.wahren@i2e.com, Andre Przywara <andre.przywara@arm.com>,
	Mian Yousaf Kaukab <ykaukab@suse.de>,
	Dave.Martin@arm.com, shankerd@codeaurora.org
Subject: [PATCH v6 02/10] arm64: add sysfs vulnerability show for spectre v1
Date: Thu, 21 Mar 2019 18:05:49 -0500	[thread overview]
Message-ID: <20190321230557.45107-3-jeremy.linton@arm.com> (raw)
In-Reply-To: <20190321230557.45107-1-jeremy.linton@arm.com>

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

spectre v1, has been mitigated, and the mitigation is
always active.

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>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
 arch/arm64/kernel/cpu_errata.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index d2b2c69d31bb..cf623657cf3c 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -755,3 +755,9 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
 	{
 	}
 };
+
+ssize_t cpu_show_spectre_v1(struct device *dev, struct device_attribute *attr,
+			    char *buf)
+{
+	return sprintf(buf, "Mitigation: __user pointer sanitization\n");
+}
-- 
2.20.1


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  parent reply	other threads:[~2019-03-21 23:06 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-21 23:05 [PATCH v6 00/10] arm64: add system vulnerability sysfs entries Jeremy Linton
2019-03-21 23:05 ` Jeremy Linton
2019-03-21 23:05 ` [PATCH v6 01/10] arm64: Provide a command line to disable spectre_v2 mitigation Jeremy Linton
2019-03-21 23:05   ` Jeremy Linton
2019-03-21 23:05 ` Jeremy Linton [this message]
2019-03-21 23:05   ` [PATCH v6 02/10] arm64: add sysfs vulnerability show for spectre v1 Jeremy Linton
2019-03-21 23:05 ` [PATCH v6 03/10] arm64: add sysfs vulnerability show for meltdown Jeremy Linton
2019-03-21 23:05   ` Jeremy Linton
2019-03-25 10:32   ` Andre Przywara
2019-03-25 10:32     ` Andre Przywara
2019-03-21 23:05 ` [PATCH v6 04/10] arm64: Advertise mitigation of Spectre-v2, or lack thereof Jeremy Linton
2019-03-21 23:05   ` Jeremy Linton
2019-03-25 10:59   ` Suzuki K Poulose
2019-03-25 10:59     ` Suzuki K Poulose
2019-03-21 23:05 ` [PATCH v6 05/10] arm64: Use firmware to detect CPUs that are not affected by Spectre-v2 Jeremy Linton
2019-03-21 23:05   ` Jeremy Linton
2019-03-21 23:05 ` [PATCH v6 06/10] arm64: Always enable spectrev2 vulnerability detection Jeremy Linton
2019-03-21 23:05   ` Jeremy Linton
2019-03-21 23:05 ` [PATCH v6 07/10] arm64: add sysfs vulnerability show for spectre v2 Jeremy Linton
2019-03-21 23:05   ` Jeremy Linton
2019-03-21 23:05 ` [PATCH v6 08/10] arm64: Always enable ssb vulnerability detection Jeremy Linton
2019-03-21 23:05   ` Jeremy Linton
2019-03-21 23:05 ` [PATCH v6 09/10] arm64: add sysfs vulnerability show for speculative store bypass Jeremy Linton
2019-03-21 23:05   ` Jeremy Linton
2019-04-03 16:50   ` Will Deacon
2019-04-03 16:50     ` Will Deacon
2019-04-05 10:10     ` Andre Przywara
2019-04-05 10:10       ` Andre Przywara
2019-04-05 14:43       ` Will Deacon
2019-04-05 14:43         ` Will Deacon
2019-04-05 15:18         ` Andre Przywara
2019-04-05 15:18           ` Andre Przywara
2019-04-05 16:01           ` Jeremy Linton
2019-04-05 16:01             ` Jeremy Linton
2019-03-21 23:05 ` [PATCH v6 10/10] arm64: enable generic CPU vulnerabilites support Jeremy Linton
2019-03-21 23:05   ` Jeremy Linton
2019-03-22 17:49   ` Stefan Wahren
2019-03-22 17:49     ` Stefan Wahren
2019-03-25 10:33 ` [PATCH v6 00/10] arm64: add system vulnerability sysfs entries Andre Przywara
2019-03-25 10:33   ` Andre Przywara
2019-03-25 12:22 ` Catalin Marinas
2019-03-25 12:22   ` Catalin Marinas

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