summaryrefslogtreecommitdiff
path: root/arch/x86/xen
diff options
context:
space:
mode:
authorJan Beulich <jbeulich@suse.com>2021-09-30 14:36:56 +0200
committerBoris Ostrovsky <boris.ostrovsky@oracle.com>2021-11-02 07:45:43 -0500
commit344485a21ddb6a21b0911a06fafce18170381d47 (patch)
treee13f5ef0fc75c0e68333b456e2d478c0cfbfe230 /arch/x86/xen
parentd2a3ef44c2a2e49fc08270a9d33f0e4918ee2cb9 (diff)
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: Jan Beulich <jbeulich@suse.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Link: https://lore.kernel.org/r/ba6e0779-18f4-ae64-b216-73205b4eec3c@suse.com Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Diffstat (limited to 'arch/x86/xen')
-rw-r--r--arch/x86/xen/setup.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 8bfc10330107..c1eba7e1d242 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -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",