Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

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

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

arch/powerpc/kernel/security.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -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) 
}

}

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 */