diff options
| author | Jan Beulich <jbeulich@suse.com> | 2021-09-30 14:36:56 +0200 |
|---|---|---|
| committer | Boris Ostrovsky <boris.ostrovsky@oracle.com> | 2021-11-02 13:45:43 +0100 |
| commit | 344485a21ddb6a21b0911a06fafce18170381d47 (patch) | |
| tree | e13f5ef0fc75c0e68333b456e2d478c0cfbfe230 /arch/x86 | |
| parent | xen/x86: adjust handling of the L3 user vsyscall special page table (diff) | |
| download | linux-344485a21ddb6a21b0911a06fafce18170381d47.tar.xz linux-344485a21ddb6a21b0911a06fafce18170381d47.zip | |
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')
| -rw-r--r-- | arch/x86/xen/setup.c | 4 |
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", |