diff options
| author |   Jason A. Donenfeld <Jason@zx2c4.com> | 2020-05-24 19:20:19 -0600 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2020-09-30 16:46:02 +0200 |
| commit | 8258fd4244740abbf9c9386681dcde960b30a7c3 (patch) | |
| tree | ab22401eec44ede7c448dd1673b9975b78e613b6 | |
| parent | workqueue: remove call to non-existent show_workqueue_state (diff) | |
| download | rhel7-kernel-misery-8258fd4244740abbf9c9386681dcde960b30a7c3.tar.xz rhel7-kernel-misery-8258fd4244740abbf9c9386681dcde960b30a7c3.zip | |
x86: kaiser_enabled isn't always defined
This symbol only exists when CONFIG_PAGE_TABLE_ISOLATION is set, so
don't use it otherwise.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
| -rw-r--r-- | arch/x86/kernel/cpu/bugs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index eed1e0c03c1..c33396b4a3e 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -1236,8 +1236,10 @@ static ssize_t cpu_show_common(struct device *dev, struct device_attribute *attr switch (bug) { case X86_BUG_CPU_MELTDOWN: +#ifdef CONFIG_PAGE_TABLE_ISOLATION if (kaiser_enabled) return sprintf(buf, "Mitigation: PTI\n"); +#endif break; |