Commit 344485a2 authored by Jan Beulich's avatar Jan Beulich Committed by Boris Ostrovsky
Browse files

xen/x86: there's no highmem anymore in PV mode 



Considerations for it are a leftover from when 32-bit was still
supported.

Signed-off-by: default avatarJan Beulich <jbeulich@suse.com>
Reviewed-by: default avatarBoris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/ba6e0779-18f4-ae64-b216-73205b4eec3c@suse.com


Signed-off-by: default avatarBoris Ostrovsky <boris.ostrovsky@oracle.com>
parent d2a3ef44

arch/x86/xen/setup.c

+0 −4
Original line number Diff line number Diff line
@@ -306,10 +306,6 @@ static void __init xen_update_mem_tables(unsigned long pfn, unsigned long mfn) 
		BUG();

	}



	/* Update kernel mapping, but not for highmem. */

	if (pfn >= PFN_UP(__pa(high_memory - 1)))

		return;



	if (HYPERVISOR_update_va_mapping((unsigned long)__va(pfn << PAGE_SHIFT),

					 mfn_pte(mfn, PAGE_KERNEL), 0)) {

		WARN(1, "Failed to update kernel mapping for mfn=%ld pfn=%ld\n",