Commit eb0a2d26 authored Feb 23, 2018 by Michael Ellerman

powerpc/powernv: Support firmware disable of RFI flush



Some versions of firmware will have a setting that can be configured
to disable the RFI flush, add support for it.

Fixes: 6e032b35 ("powerpc/powernv: Check device-tree for RFI flush settings")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

parent 582605a4

arch/powerpc/platforms/powernv/setup.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -80,6 +80,10 @@ static void pnv_setup_rfi_flush(void)
		if (np && of_property_read_bool(np, "disabled"))
		enable--;

		np = of_get_child_by_name(fw_features, "speculation-policy-favor-security");
		if (np && of_property_read_bool(np, "disabled"))
		enable = 0;

		of_node_put(np);
		of_node_put(fw_features);
		}