Commit 6453b532 authored by Diana Craciun's avatar Diana Craciun Committed by Michael Ellerman

powerpc/64: Make stf barrier PPC_BOOK3S_64 specific.

NXP Book3E platforms are not vulnerable to speculative store
bypass, so make the mitigations PPC_BOOK3S_64 specific.
Signed-off-by: default avatarDiana Craciun <diana.craciun@nxp.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent cf175dc3
...@@ -176,6 +176,7 @@ ssize_t cpu_show_spectre_v2(struct device *dev, struct device_attribute *attr, c ...@@ -176,6 +176,7 @@ ssize_t cpu_show_spectre_v2(struct device *dev, struct device_attribute *attr, c
return s.len; return s.len;
} }
#ifdef CONFIG_PPC_BOOK3S_64
/* /*
* Store-forwarding barrier support. * Store-forwarding barrier support.
*/ */
...@@ -323,3 +324,4 @@ static __init int stf_barrier_debugfs_init(void) ...@@ -323,3 +324,4 @@ static __init int stf_barrier_debugfs_init(void)
} }
device_initcall(stf_barrier_debugfs_init); device_initcall(stf_barrier_debugfs_init);
#endif /* CONFIG_DEBUG_FS */ #endif /* CONFIG_DEBUG_FS */
#endif /* CONFIG_PPC_BOOK3S_64 */
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