diff options
| author | H. Peter Anvin <hpa@linux.intel.com> | 2013-02-15 09:25:08 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-02-15 09:25:08 -0800 |
| commit | 0da3e7f526fde7a6522a3038b7ce609fc50f6707 (patch) | |
| tree | c6e2dacd96fe7eac8312f3d7c22e0995dc423879 /arch/x86/xen | |
| parent | 95c9608478d639dcffc14ea47b31bff021a99ed1 (diff) | |
| parent | 68d00bbebb5a48b7a9056a8c03476a71ecbc30a6 (diff) | |
Merge branch 'x86/mm2' into x86/mm
x86/mm2 is testing out fine, but has developed conflicts with x86/mm
due to patches in adjacent code. Merge them so we can drop x86/mm2
and have a unified branch.
Resolved Conflicts:
arch/x86/kernel/setup.c
Diffstat (limited to 'arch/x86/xen')
| -rw-r--r-- | arch/x86/xen/mmu.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 01de35c7722..f5e86eee4e0 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -1178,20 +1178,6 @@ static void xen_exit_mmap(struct mm_struct *mm) static void xen_post_allocator_init(void); -static __init void xen_mapping_pagetable_reserve(u64 start, u64 end) -{ - /* reserve the range used */ - native_pagetable_reserve(start, end); - - /* set as RW the rest */ - printk(KERN_DEBUG "xen: setting RW the range %llx - %llx\n", end, - PFN_PHYS(pgt_buf_top)); - while (end < PFN_PHYS(pgt_buf_top)) { - make_lowmem_page_readwrite(__va(end)); - end += PAGE_SIZE; - } -} - #ifdef CONFIG_X86_64 static void __init xen_cleanhighmap(unsigned long vaddr, unsigned long vaddr_end) @@ -1503,19 +1489,6 @@ static pte_t __init mask_rw_pte(pte_t *ptep, pte_t pte) #else /* CONFIG_X86_64 */ static pte_t __init mask_rw_pte(pte_t *ptep, pte_t pte) { - unsigned long pfn = pte_pfn(pte); - - /* - * If the new pfn is within the range of the newly allocated - * kernel pagetable, and it isn't being mapped into an - * early_ioremap fixmap slot as a freshly allocated page, make sure - * it is RO. - */ - if (((!is_early_ioremap_ptep(ptep) && - pfn >= pgt_buf_start && pfn < pgt_buf_top)) || - (is_early_ioremap_ptep(ptep) && pfn != (pgt_buf_end - 1))) - pte = pte_wrprotect(pte); - return pte; } #endif /* CONFIG_X86_64 */ @@ -2197,7 +2170,6 @@ static const struct pv_mmu_ops xen_mmu_ops __initconst = { void __init xen_init_mmu_ops(void) { - x86_init.mapping.pagetable_reserve = xen_mapping_pagetable_reserve; x86_init.paging.pagetable_init = xen_pagetable_init; pv_mmu_ops = xen_mmu_ops; |