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| author | Josh Poimboeuf <jpoimboe@redhat.com> | 2019-04-02 18:00:14 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-04-02 21:02:37 +0300 |
| commit | 7c3658b20194a5b3209a143f63bc9c643c6a3ae2 (patch) | |
| tree | cf0daadc475c4890da31040f667f21729564de2d /arch/x86/kernel/cpu | |
| parent | d71eb0ce109a124b0fa714832823b9452f2762cf (diff) | |
| download | linux-7c3658b20194a5b3209a143f63bc9c643c6a3ae2.tar.xz | |
x86/speculation: Move arch_smt_update() call to after mitigation decisions
arch_smt_update() now has a dependency on both Spectre v2 and MDS
mitigations. Move its initial call to after all the mitigation decisions
have been made.
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Tyler Hicks <tyhicks@canonical.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'arch/x86/kernel/cpu')
| -rw-r--r-- | arch/x86/kernel/cpu/bugs.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 9f252082a83b..3f934ffef8cf 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -111,6 +111,8 @@ void __init check_bugs(void) mds_select_mitigation(); + arch_smt_update(); + #ifdef CONFIG_X86_32 /* * Check whether we are able to run this kernel safely on SMP. @@ -638,9 +640,6 @@ specv2_set_mode: /* Set up IBPB and STIBP depending on the general spectre V2 command */ spectre_v2_user_select_mitigation(cmd); - - /* Enable STIBP if appropriate */ - arch_smt_update(); } static void update_stibp_msr(void * __unused) |