Marc Zyngier 963fcd4095 arm64: cpufeatures: Check ICC_EL1_SRE.SRE before enabling ARM64_HAS_SYSREG_GIC_CPUIF
As the firmware (or the hypervisor) may have disabled SRE access,
check that SRE can actually be enabled before declaring that we
do have that capability.

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2015-10-09 22:16:54 +01:00
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