diff options
| -rw-r--r-- | arch/x86/include/asm/paravirt.h | 10 | ||||
| -rw-r--r-- | arch/x86/include/asm/paravirt_types.h | 9 | ||||
| -rw-r--r-- | arch/x86/include/asm/pgtable.h | 10 | ||||
| -rw-r--r-- | arch/x86/include/asm/pgtable_types.h | 4 | ||||
| -rw-r--r-- | arch/x86/include/asm/x86_init.h | 13 | ||||
| -rw-r--r-- | arch/x86/kernel/paravirt.c | 7 | ||||
| -rw-r--r-- | arch/x86/kernel/setup.c | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/x86_init.c | 6 | ||||
| -rw-r--r-- | arch/x86/xen/enlighten.c | 2 | ||||
| -rw-r--r-- | arch/x86/xen/mmu.c | 11 | ||||
| -rw-r--r-- | arch/x86/xen/mmu.h | 2 |
11 files changed, 32 insertions, 46 deletions
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index 3de6435a106..1caf25b91e6 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -351,16 +351,6 @@ static inline void paravirt_post_allocator_init(void) (*pv_init_ops.post_allocator_init)(); } -static inline void paravirt_pagetable_setup_start(pgd_t *base) -{ - (*pv_mmu_ops.pagetable_setup_start)(base); -} - -static inline void paravirt_pagetable_setup_done(pgd_t *base) -{ - (*pv_mmu_ops.pagetable_setup_done)(base); -} - #ifdef CONFIG_SMP static inline void startup_ipi_hook(int phys_apicid, unsigned long start_eip, unsigned long start_esp) diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h index ce7723c81a1..4039eefd3eb 100644 --- a/arch/x86/include/asm/paravirt_types.h +++ b/arch/x86/include/asm/paravirt_types.h @@ -231,15 +231,6 @@ struct pv_apic_ops { }; struct pv_mmu_ops { - /* - * Called before/after init_mm pagetable setup. setup_start - * may reset %cr3, and may pre-install parts of the pagetable; - * pagetable setup is expected to preserve any existing - * mapping. - */ - void (*pagetable_setup_start)(pgd_t *pgd_base); - void (*pagetable_setup_done)(pgd_t *pgd_base); - unsigned long (*read_cr2)(void); void (*write_cr2)(unsigned long); diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 16748077559..60d422adf70 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -56,16 +56,6 @@ extern struct list_head pgd_list; #define pte_update(mm, addr, ptep) do { } while (0) #define pte_update_defer(mm, addr, ptep) do { } while (0) -static inline void __init paravirt_pagetable_setup_start(pgd_t *base) -{ - native_pagetable_setup_start(base); -} - -static inline void __init paravirt_pagetable_setup_done(pgd_t *base) -{ - native_pagetable_setup_done(base); -} - #define pgd_val(x) native_pgd_val(x) #define __pgd(x) native_make_pgd(x) diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h index 54cb697f490..7b467bf3c68 100644 --- a/arch/x86/include/asm/pgtable_types.h +++ b/arch/x86/include/asm/pgtable_types.h @@ -299,8 +299,8 @@ void set_pte_vaddr(unsigned long vaddr, pte_t pte); extern void native_pagetable_setup_start(pgd_t *base); extern void native_pagetable_setup_done(pgd_t *base); #else -static inline void native_pagetable_setup_start(pgd_t *base) {} -static inline void native_pagetable_setup_done(pgd_t *base) {} +#define native_pagetable_setup_start x86_init_pgd_noop +#define native_pagetable_setup_done x86_init_pgd_noop #endif struct seq_file; diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h index ee7c59df781..b9bb4faefc4 100644 --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -1,6 +1,8 @@ #ifndef _ASM_X86_PLATFORM_H #define _ASM_X86_PLATFORM_H +#include <asm/pgtable_types.h> + struct mpc_bus; struct mpc_cpu; struct mpc_table; @@ -67,6 +69,16 @@ struct x86_init_oem { }; /** + * struct x86_init_paging - platform specific paging functions + * @pagetable_setup_start: platform specific pre paging_init() call + * @pagetable_setup_done: platform specific post paging_init() call + */ +struct x86_init_paging { + void (*pagetable_setup_start)(pgd_t *base); + void (*pagetable_setup_done)(pgd_t *base); +}; + +/** * struct x86_init_ops - functions for platform specific setup * */ @@ -75,6 +87,7 @@ struct x86_init_ops { struct x86_init_mpparse mpparse; struct x86_init_irqs irqs; struct x86_init_oem oem; + struct x86_init_paging paging; }; extern struct x86_init_ops x86_init; diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index f7a5fb79d18..8167be0b68c 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -402,13 +402,6 @@ struct pv_apic_ops pv_apic_ops = { #endif struct pv_mmu_ops pv_mmu_ops = { -#ifndef CONFIG_X86_64 - .pagetable_setup_start = native_pagetable_setup_start, - .pagetable_setup_done = native_pagetable_setup_done, -#else - .pagetable_setup_start = paravirt_nop, - .pagetable_setup_done = paravirt_nop, -#endif .read_cr2 = native_read_cr2, .write_cr2 = native_write_cr2, diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index bc5f0e561cf..4952d63dd67 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -959,9 +959,9 @@ void __init setup_arch(char **cmdline_p) kvmclock_init(); #endif - paravirt_pagetable_setup_start(swapper_pg_dir); + x86_init.paging.pagetable_setup_start(swapper_pg_dir); paging_init(); - paravirt_pagetable_setup_done(swapper_pg_dir); + x86_init.paging.pagetable_setup_done(swapper_pg_dir); paravirt_post_allocator_init(); #ifdef CONFIG_X86_64 diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c index 08fea49d59a..7df020e6740 100644 --- a/arch/x86/kernel/x86_init.c +++ b/arch/x86/kernel/x86_init.c @@ -14,6 +14,7 @@ void __cpuinit x86_init_noop(void) { } void __init x86_init_uint_noop(unsigned int unused) { } +void __init x86_init_pgd_noop(pgd_t *unused) { } /* * The platform setup functions are preset with the default functions @@ -48,4 +49,9 @@ struct __initdata x86_init_ops x86_init = { .arch_setup = x86_init_noop, .banner = default_banner, }, + + .paging = { + .pagetable_setup_start = native_pagetable_setup_start, + .pagetable_setup_done = native_pagetable_setup_done, + }, }; diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 46e23cde143..12ea09ec39b 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -977,7 +977,6 @@ asmlinkage void __init xen_start_kernel(void) pv_time_ops = xen_time_ops; pv_cpu_ops = xen_cpu_ops; pv_apic_ops = xen_apic_ops; - pv_mmu_ops = xen_mmu_ops; x86_init.resources.memory_setup = xen_memory_setup; x86_init.oem.arch_setup = xen_arch_setup; @@ -991,6 +990,7 @@ asmlinkage void __init xen_start_kernel(void) load_percpu_segment(0); #endif + xen_init_mmu_ops(); xen_init_irq_ops(); xen_init_cpuid_mask(); diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 4ceb2858165..dbec51da930 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -1875,10 +1875,7 @@ static void xen_leave_lazy_mmu(void) preempt_enable(); } -const struct pv_mmu_ops xen_mmu_ops __initdata = { - .pagetable_setup_start = xen_pagetable_setup_start, - .pagetable_setup_done = xen_pagetable_setup_done, - +static const struct pv_mmu_ops xen_mmu_ops __initdata = { .read_cr2 = xen_read_cr2, .write_cr2 = xen_write_cr2, @@ -1954,6 +1951,12 @@ const struct pv_mmu_ops xen_mmu_ops __initdata = { .set_fixmap = xen_set_fixmap, }; +void __init xen_init_mmu_ops(void) +{ + x86_init.paging.pagetable_setup_start = xen_pagetable_setup_start; + x86_init.paging.pagetable_setup_done = xen_pagetable_setup_done; + pv_mmu_ops = xen_mmu_ops; +} #ifdef CONFIG_XEN_DEBUG_FS diff --git a/arch/x86/xen/mmu.h b/arch/x86/xen/mmu.h index da730262489..5fe6bc7f5ec 100644 --- a/arch/x86/xen/mmu.h +++ b/arch/x86/xen/mmu.h @@ -59,5 +59,5 @@ void xen_ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr, unsigned long xen_read_cr2_direct(void); -extern const struct pv_mmu_ops xen_mmu_ops; +extern void xen_init_mmu_ops(void); #endif /* _XEN_MMU_H */ |