releases/4.4.180/x86-cpu-bugs-use-__initconst-for-const-init-data.patch

   1 From foo@baz Tue 14 May 2019 08:29:35 PM CEST
   2 From: Andi Kleen <ak@linux.intel.com>
   3 Date: Fri, 29 Mar 2019 17:47:43 -0700
   4 Subject: x86/cpu/bugs: Use __initconst for 'const' init data
   5
   6 From: Andi Kleen <ak@linux.intel.com>
   7
   8 commit 1de7edbb59c8f1b46071f66c5c97b8a59569eb51 upstream.
   9
  10 Some of the recently added const tables use __initdata which causes section
  11 attribute conflicts.
  12
  13 Use __initconst instead.
  14
  15 Fixes: fa1202ef2243 ("x86/speculation: Add command line control")
  16 Signed-off-by: Andi Kleen <ak@linux.intel.com>
  17 Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
  18 Link: https://lkml.kernel.org/r/20190330004743.29541-9-andi@firstfloor.org
  19 Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
  20 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  21 ---
  22  arch/x86/kernel/cpu/bugs.c |    6 +++---
  23  1 file changed, 3 insertions(+), 3 deletions(-)
  24
  25 --- a/arch/x86/kernel/cpu/bugs.c
  26 +++ b/arch/x86/kernel/cpu/bugs.c
  27 @@ -315,7 +315,7 @@ static const struct {
  28         const char                      *option;
  29         enum spectre_v2_user_cmd        cmd;
  30         bool                            secure;
  31 -} v2_user_options[] __initdata = {
  32 +} v2_user_options[] __initconst = {
  33         { "auto",               SPECTRE_V2_USER_CMD_AUTO,               false },
  34         { "off",                SPECTRE_V2_USER_CMD_NONE,               false },
  35         { "on",                 SPECTRE_V2_USER_CMD_FORCE,              true  },
  36 @@ -451,7 +451,7 @@ static const struct {
  37         const char *option;
  38         enum spectre_v2_mitigation_cmd cmd;
  39         bool secure;
  40 -} mitigation_options[] __initdata = {
  41 +} mitigation_options[] __initconst = {
  42         { "off",                SPECTRE_V2_CMD_NONE,              false },
  43         { "on",                 SPECTRE_V2_CMD_FORCE,             true  },
  44         { "retpoline",          SPECTRE_V2_CMD_RETPOLINE,         false },
  45 @@ -723,7 +723,7 @@ static const char * const ssb_strings[]
  46  static const struct {
  47         const char *option;
  48         enum ssb_mitigation_cmd cmd;
  49 -} ssb_mitigation_options[]  __initdata = {
  50 +} ssb_mitigation_options[]  __initconst = {
  51         { "auto",       SPEC_STORE_BYPASS_CMD_AUTO },    /* Platform decides */
  52         { "on",         SPEC_STORE_BYPASS_CMD_ON },      /* Disable Speculative Store Bypass */
  53         { "off",        SPEC_STORE_BYPASS_CMD_NONE },    /* Don't touch Speculative Store Bypass */