diff options
| author | Andy Fiddaman <omnios@citrus-it.co.uk> | 2018-03-18 17:20:13 +0000 |
|---|---|---|
| committer | Dan McDonald <danmcd@joyent.com> | 2018-05-14 19:52:47 -0400 |
| commit | 39df76fb09f8b2678db1cae82e66cd47f6930e4f (patch) | |
| tree | 1b4ffca06678b5833738c2edec3bc1aa822aa667 /usr/src | |
| parent | bfcdb3d6fab8a8c00779b849f9f4505b2befd14d (diff) | |
| download | illumos-joyent-39df76fb09f8b2678db1cae82e66cd47f6930e4f.tar.gz | |
9453 Include KPTI status in kernel boot messages
Reviewed by: Toomas Soome <tsoome@me.com>
Reviewed by: Youzhong Yang <youzhong@gmail.com>
Reviewed by: Dominik Hassler <hadfl@omniosce.org>
Reviewed by: Albert Lee <trisk@nexenta.com>
Approved by: Dan McDonald <danmcd@joyent.com>
Diffstat (limited to 'usr/src')
| -rw-r--r-- | usr/src/uts/i86pc/os/mp_startup.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/usr/src/uts/i86pc/os/mp_startup.c b/usr/src/uts/i86pc/os/mp_startup.c index c755f56927..f1a243343a 100644 --- a/usr/src/uts/i86pc/os/mp_startup.c +++ b/usr/src/uts/i86pc/os/mp_startup.c @@ -29,6 +29,7 @@ /* * Copyright 2018 Joyent, Inc. * Copyright 2013 Nexenta Systems, Inc. All rights reserved. + * Copyright 2018 OmniOS Community Edition (OmniOSce) Association. */ #include <sys/types.h> @@ -1529,6 +1530,19 @@ start_other_cpus(int cprboot) cmn_err(CE_CONT, "?cpu%d: %s\n", CPU->cpu_id, CPU->cpu_brandstr); /* + * KPTI initialisation happens very early in boot, before logging is + * set up. Output a status message now as the boot CPU comes online. + */ + cmn_err(CE_CONT, "?KPTI %s (PCID %s, INVPCID %s)\n", + kpti_enable ? "enabled" : "disabled", + x86_use_pcid == 1 ? "in use" : + (is_x86_feature(x86_featureset, X86FSET_PCID) ? "disabled" : + "not supported"), + x86_use_pcid == 1 && x86_use_invpcid == 1 ? "in use" : + (is_x86_feature(x86_featureset, X86FSET_INVPCID) ? "disabled" : + "not supported")); + + /* * Initialize our syscall handlers */ init_cpu_syscall(CPU); |