Commit 9655aa6b authored May 17, 2012 by Timur Tabi Committed by Kumar Gala Nov 25, 2012

drivers/virt: the Freescale hypervisor driver doesn't need to check MSR[GS]



The MSR[GS] bit indicates whether the kernel is running in processor guest
state mode, but such a check is unnecessary.  The driver already checks
for the /hypervisor node and the fsl,hv-version property, so it already
knows that it's running under the Freescale hypervisor.

There is nothing in the driver that inherently requires guest state,
anyway.

This fixes a break that can occur in some randconfig builds.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

parent e9c36b0b

drivers/virt/fsl_hypervisor.c

+0 −3

Original line number	Diff line number	Diff line
		@@ -796,9 +796,6 @@ static int has_fsl_hypervisor(void)
		struct device_node *node;
		int ret;

		if (!(mfmsr() & MSR_GS))
		return 0;

		node = of_find_node_by_path("/hypervisor");
		if (!node)
		return 0;