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x86/speculation/l1tf: Document l1tf in sysfs

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The vulnerabilties/l1tf attribute was added by commit 17dbca1193
"x86/speculation/l1tf: Add sysfs reporting for l1tf", which has
already been backported to 3.16, but only documented in commit
d90a7a0ec8 "x86/bugs, kvm: Introduce boot-time control of L1TF
mitigations", which has not and probbaly won't be.

Add just that line of documentation for now.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ben Hutchings
2019-05-11 23:45:54 +01:00
committed by Greg Kroah-Hartman
parent 8c7398befd
commit 1e9a9ef670
1 changed files with 1 additions and 0 deletions
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Documentation/ABI/testing/sysfs-devices-system-cpu
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@@ -277,6 +277,7 @@ What: /sys/devices/system/cpu/vulnerabilities
/sys/devices/system/cpu/vulnerabilities/spectre_v1
/sys/devices/system/cpu/vulnerabilities/spectre_v2
/sys/devices/system/cpu/vulnerabilities/spec_store_bypass
/sys/devices/system/cpu/vulnerabilities/l1tf
Date: January 2018
Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
Description: Information about CPU vulnerabilities