summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
authorPawan Gupta <pawan.kumar.gupta@linux.intel.com>2019-10-23 12:19:51 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-11-12 19:21:32 +0100
commit15dfa5d706df85506a527c5572be5ff322031a01 (patch)
treeae73576ca8cb3fb8b5cf8c387f78882c33c2e50d /include
parent6c58ea8525bf6df7f4df2692784d2ce315201895 (diff)
x86/speculation/taa: Add sysfs reporting for TSX Async Abort
commit 6608b45ac5ecb56f9e171252229c39580cc85f0f upstream. Add the sysfs reporting file for TSX Async Abort. It exposes the vulnerability and the mitigation state similar to the existing files for the other hardware vulnerabilities. Sysfs file path is: /sys/devices/system/cpu/vulnerabilities/tsx_async_abort Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> Signed-off-by: Borislav Petkov <bp@suse.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Neelima Krishnan <neelima.krishnan@intel.com> Reviewed-by: Mark Gross <mgross@linux.intel.com> Reviewed-by: Tony Luck <tony.luck@intel.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/cpu.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 006f69f9277b..c3f36f8e83bb 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -59,6 +59,9 @@ extern ssize_t cpu_show_l1tf(struct device *dev,
struct device_attribute *attr, char *buf);
extern ssize_t cpu_show_mds(struct device *dev,
struct device_attribute *attr, char *buf);
+extern ssize_t cpu_show_tsx_async_abort(struct device *dev,
+ struct device_attribute *attr,
+ char *buf);
extern __printf(4, 5)
struct device *cpu_device_create(struct device *parent, void *drvdata,