resource: Consolidate resource walking code
The walk_iomem_res_desc(), walk_system_ram_res() and walk_system_ram_range()
functions each have much of the same code.
Create a new function that consolidates the common code from these
functions in one place to reduce the amount of duplicated code.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Borislav Petkov <bp@suse.de>
Tested-by: Borislav Petkov <bp@suse.de>
Cc: kvm@vger.kernel.org
Cc: Borislav Petkov <bp@alien8.de>
Link: https://lkml.kernel.org/r/20171020143059.3291-9-brijesh.singh@amd.com
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