releases/4.4.180/x86-speculation-l1tf-document-l1tf-in-sysfs.patch

   1 From foo@baz Tue 14 May 2019 08:29:35 PM CEST
   2 From: Ben Hutchings <ben@decadent.org.uk>
   3 Date: Sat, 11 May 2019 23:45:54 +0100
   4 Subject: x86/speculation/l1tf: Document l1tf in sysfs
   5
   6 From: Ben Hutchings <ben@decadent.org.uk>
   7
   8 The vulnerabilties/l1tf attribute was added by commit 17dbca119312
   9 "x86/speculation/l1tf: Add sysfs reporting for l1tf", which has
  10 already been backported to 3.16, but only documented in commit
  11 d90a7a0ec83f "x86/bugs, kvm: Introduce boot-time control of L1TF
  12 mitigations", which has not and probbaly won't be.
  13
  14 Add just that line of documentation for now.
  15
  16 Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
  17 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  18 ---
  19  Documentation/ABI/testing/sysfs-devices-system-cpu |    1 +
  20  1 file changed, 1 insertion(+)
  21
  22 --- a/Documentation/ABI/testing/sysfs-devices-system-cpu
  23 +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
  24 @@ -277,6 +277,7 @@ What:               /sys/devices/system/cpu/vulnerabi
  25                 /sys/devices/system/cpu/vulnerabilities/spectre_v1
  26                 /sys/devices/system/cpu/vulnerabilities/spectre_v2
  27                 /sys/devices/system/cpu/vulnerabilities/spec_store_bypass
  28 +               /sys/devices/system/cpu/vulnerabilities/l1tf
  29  Date:          January 2018
  30  Contact:       Linux kernel mailing list <linux-kernel@vger.kernel.org>
  31  Description:   Information about CPU vulnerabilities