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author | Juergen Gross <jgross@suse.com> | 2023-06-09 07:51:00 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2023-06-09 11:00:21 +0200 |
commit | 78841cd185aa74bc92d3ac2c63a870395caaa086 (patch) | |
tree | d8f7bd8b70f42443ff1fce95c6b5f4249171ed3e /arch/x86 | |
parent | 0f88130e8a6fd185b0aeb5d8e286083735f2585a (diff) | |
download | linux-stable-78841cd185aa74bc92d3ac2c63a870395caaa086.tar.gz linux-stable-78841cd185aa74bc92d3ac2c63a870395caaa086.tar.bz2 linux-stable-78841cd185aa74bc92d3ac2c63a870395caaa086.zip |
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
Diffstat (limited to 'arch/x86')
-rw-r--r-- | arch/x86/mm/init_32.c | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index d4e2648a1dfb..b63403d7179d 100644 --- 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 |