Message ID | 1531825797-14236-4-git-send-email-diana.craciun@nxp.com (mailing list archive) |
---|---|
State | Superseded, archived |
Headers | show |
Series | powerpc/fsl: Speculation barrier for NXP PowerPC Book3E | expand |
diff --git a/arch/powerpc/kernel/security.c b/arch/powerpc/kernel/security.c index 2ebfc5b..3a4e5c3 100644 --- a/arch/powerpc/kernel/security.c +++ b/arch/powerpc/kernel/security.c @@ -169,6 +169,7 @@ ssize_t cpu_show_spectre_v2(struct device *dev, struct device_attribute *attr, c return s.len; } +#ifdef CONFIG_PPC_BOOK3S_64 /* * Store-forwarding barrier support. */ @@ -316,3 +317,5 @@ static __init int stf_barrier_debugfs_init(void) } device_initcall(stf_barrier_debugfs_init); #endif /* CONFIG_DEBUG_FS */ +#endif /* CONFIG_PPC_BOOK3S_64 */ +
NXP Book3E platforms are not vulnerable to speculative store bypass, so make the mitigations PPC_BOOK3S_64 specific. Signed-off-by: Diana Craciun <diana.craciun@nxp.com> --- History: v2-->v3 - new arch/powerpc/kernel/security.c | 3 +++ 1 file changed, 3 insertions(+)