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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,
	mark.rutland@arm.com, linux-kernel@vger.kernel.org,
	ykaukab@suse.de, julien.thierry@arm.com, mlangsdo@redhat.com,
	steven.price@arm.com, Jeremy Linton <jeremy.linton@arm.com>
Subject: [PATCH v2 4/7] arm64: add sysfs vulnerability show for spectre v1
Date: Wed,  2 Jan 2019 18:49:18 -0600	[thread overview]
Message-ID: <20190103004921.1928921-5-jeremy.linton@arm.com> (raw)
In-Reply-To: <20190103004921.1928921-1-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>
---
 arch/arm64/kernel/cpu_errata.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index 09ac548c9d44..2352955b1259 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -742,3 +742,13 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
 	{
 	}
 };
+
+#ifdef CONFIG_GENERIC_CPU_VULNERABILITIES
+
+ssize_t cpu_show_spectre_v1(struct device *dev, struct device_attribute *attr,
+		char *buf)
+{
+	return sprintf(buf, "Mitigation: __user pointer sanitization\n");
+}
+
+#endif
-- 
2.17.2


WARNING: multiple messages have this Message-ID (diff)
From: Jeremy Linton <jeremy.linton@arm.com>
To: linux-arm-kernel@lists.infradead.org
Cc: mark.rutland@arm.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>,
	steven.price@arm.com, ykaukab@suse.de, dave.martin@arm.com,
	shankerd@codeaurora.org
Subject: [PATCH v2 4/7] arm64: add sysfs vulnerability show for spectre v1
Date: Wed,  2 Jan 2019 18:49:18 -0600	[thread overview]
Message-ID: <20190103004921.1928921-5-jeremy.linton@arm.com> (raw)
In-Reply-To: <20190103004921.1928921-1-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>
---
 arch/arm64/kernel/cpu_errata.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index 09ac548c9d44..2352955b1259 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -742,3 +742,13 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
 	{
 	}
 };
+
+#ifdef CONFIG_GENERIC_CPU_VULNERABILITIES
+
+ssize_t cpu_show_spectre_v1(struct device *dev, struct device_attribute *attr,
+		char *buf)
+{
+	return sprintf(buf, "Mitigation: __user pointer sanitization\n");
+}
+
+#endif
-- 
2.17.2


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  parent reply	other threads:[~2019-01-03  0:49 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-03  0:49 [PATCH v2 0/7] add system vulnerability sysfs entries Jeremy Linton
2019-01-03  0:49 ` Jeremy Linton
2019-01-03  0:49 ` [PATCH v2 1/7] sysfs/cpu: Add "Unknown" vulnerability state Jeremy Linton
2019-01-03  0:49   ` Jeremy Linton
2019-01-03  9:38   ` Greg Kroah-Hartman
2019-01-03  9:38     ` Greg Kroah-Hartman
2019-01-03 16:38     ` Jeremy Linton
2019-01-03 16:38       ` Jeremy Linton
2019-01-03 16:48       ` Greg Kroah-Hartman
2019-01-03 16:48         ` Greg Kroah-Hartman
2019-01-04 14:08         ` Dave Martin
2019-01-04 14:08           ` Dave Martin
2019-01-04 14:18           ` Greg Kroah-Hartman
2019-01-04 14:18             ` Greg Kroah-Hartman
2019-01-04 14:55             ` Will Deacon
2019-01-04 14:55               ` Will Deacon
2019-01-03 16:37   ` Dave Martin
2019-01-03 16:37     ` Dave Martin
2019-01-03 16:46     ` Jeremy Linton
2019-01-03 16:46       ` Jeremy Linton
2019-01-03 19:30       ` Stefan Wahren
2019-01-03 19:30         ` Stefan Wahren
2019-01-03 20:32         ` Jeremy Linton
2019-01-03 20:32           ` Jeremy Linton
2019-01-04 10:13           ` Will Deacon
2019-01-04 10:13             ` Will Deacon
2019-01-03  0:49 ` [PATCH v2 2/7] arm64: kpti: move check for non-vulnerable CPUs to a function Jeremy Linton
2019-01-03  0:49   ` Jeremy Linton
2019-01-03  0:49 ` [PATCH v2 3/7] arm64: add sysfs vulnerability show for meltdown Jeremy Linton
2019-01-03  0:49   ` Jeremy Linton
2019-01-03  0:49 ` Jeremy Linton [this message]
2019-01-03  0:49   ` [PATCH v2 4/7] arm64: add sysfs vulnerability show for spectre v1 Jeremy Linton
2019-01-03  0:49 ` [PATCH v2 5/7] arm64: add sysfs vulnerability show for spectre v2 Jeremy Linton
2019-01-03  0:49   ` Jeremy Linton
2019-01-03  0:49 ` [PATCH v2 6/7] arm64: add sysfs vulnerability show for speculative store bypass Jeremy Linton
2019-01-03  0:49   ` Jeremy Linton
2019-01-03  0:49 ` [PATCH v2 7/7] arm64: enable generic CPU vulnerabilites support Jeremy Linton
2019-01-03  0:49   ` Jeremy Linton

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