x86/mm: Remove Xen-PV leftovers from init_32.c

There are still some unneeded paravirt calls in arch/x86/mm/init_32.c.

Remove them.

Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20230609055100.12633-1-jgross@suse.com

diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index d4e2648..b63403d 100644 (file)
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -45,7 +45,6 @@
 #include <asm/olpc_ofw.h>
 #include <asm/pgalloc.h>
 #include <asm/sections.h>
-#include <asm/paravirt.h>
 #include <asm/setup.h>
 #include <asm/set_memory.h>
 #include <asm/page_types.h>
@@ -74,7 +73,6 @@ static pmd_t * __init one_md_table_init(pgd_t *pgd)
 #ifdef CONFIG_X86_PAE
        if (!(pgd_val(*pgd) & _PAGE_PRESENT)) {
                pmd_table = (pmd_t *)alloc_low_page();
-               paravirt_alloc_pmd(&init_mm, __pa(pmd_table) >> PAGE_SHIFT);
                set_pgd(pgd, __pgd(__pa(pmd_table) | _PAGE_PRESENT));
                p4d = p4d_offset(pgd, 0);
                pud = pud_offset(p4d, 0);
@@ -99,7 +97,6 @@ static pte_t * __init one_page_table_init(pmd_t *pmd)
        if (!(pmd_val(*pmd) & _PAGE_PRESENT)) {
                pte_t *page_table = (pte_t *)alloc_low_page();
 
-               paravirt_alloc_pte(&init_mm, __pa(page_table) >> PAGE_SHIFT);
                set_pmd(pmd, __pmd(__pa(page_table) | _PAGE_TABLE));
                BUG_ON(page_table != pte_offset_kernel(pmd, 0));
        }
@@ -181,12 +178,10 @@ static pte_t *__init page_table_kmap_check(pte_t *pte, pmd_t *pmd,
                        set_pte(newpte + i, pte[i]);
                *adr = (void *)(((unsigned long)(*adr)) + PAGE_SIZE);
 
-               paravirt_alloc_pte(&init_mm, __pa(newpte) >> PAGE_SHIFT);
                set_pmd(pmd, __pmd(__pa(newpte)|_PAGE_TABLE));
                BUG_ON(newpte != pte_offset_kernel(pmd, 0));
                __flush_tlb_all();
 
-               paravirt_release_pte(__pa(pte) >> PAGE_SHIFT);
                pte = newpte;
        }
        BUG_ON(vaddr < fix_to_virt(FIX_KMAP_BEGIN - 1)
@@ -482,7 +477,6 @@ void __init native_pagetable_init(void)
                                pfn, pmd, __pa(pmd), pte, __pa(pte));
                pte_clear(NULL, va, pte);
        }
-       paravirt_alloc_pmd(&init_mm, __pa(base) >> PAGE_SHIFT);
        paging_init();
 }
 
@@ -491,15 +485,8 @@ void __init native_pagetable_init(void)
  * point, we've been running on some set of pagetables constructed by
  * the boot process.
  *
- * If we're booting on native hardware, this will be a pagetable
- * constructed in arch/x86/kernel/head_32.S.  The root of the
- * pagetable will be swapper_pg_dir.
- *
- * If we're booting paravirtualized under a hypervisor, then there are
- * more options: we may already be running PAE, and the pagetable may
- * or may not be based in swapper_pg_dir.  In any case,
- * paravirt_pagetable_init() will set up swapper_pg_dir
- * appropriately for the rest of the initialization to work.
+ * This will be a pagetable constructed in arch/x86/kernel/head_32.S.
+ * The root of the pagetable will be swapper_pg_dir.
  *
  * In general, pagetable_init() assumes that the pagetable may already
  * be partially populated, and so it avoids stomping on any existing