Commit 398af571 authored Apr 09, 2019 by Michael Ellerman

powerpc/security: Show powerpc_security_features in debugfs



This can be helpful for debugging problems with the security feature
flags, especially on guests where the flags come from the hypervisor
via an hcall and so can't be observed in the device tree.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

parent 453d87f6

arch/powerpc/kernel/security.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -104,6 +104,14 @@ static __init int barrier_nospec_debugfs_init(void)
		return 0;
		}
		device_initcall(barrier_nospec_debugfs_init);

		static __init int security_feature_debugfs_init(void)
		{
		debugfs_create_x64("security_features", 0400, powerpc_debugfs_root,
		(u64 *)&powerpc_security_features);
		return 0;
		}
		device_initcall(security_feature_debugfs_init);
		#endif /* CONFIG_DEBUG_FS */

		#ifdef CONFIG_PPC_FSL_BOOK3E

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