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author | Keir Fraser <keir@xen.org> | 2012-09-12 20:21:02 +0100 |
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committer | Keir Fraser <keir@xen.org> | 2012-09-12 20:21:02 +0100 |
commit | 5df3f4b7b92dd26797a5747e86d02a803bdbcd43 (patch) | |
tree | 7ca08c7f45b2899ab73e0392fed027fca75b501a /xen/arch/x86/traps.c | |
parent | 15a9f34d1b1a6c50f2da046a6e4c6726a230d089 (diff) | |
download | xen-5df3f4b7b92dd26797a5747e86d02a803bdbcd43.tar.gz xen-5df3f4b7b92dd26797a5747e86d02a803bdbcd43.tar.bz2 xen-5df3f4b7b92dd26797a5747e86d02a803bdbcd43.zip |
x86: Remove CONFIG_COMPAT ifdef'ery from arch/x86 -- it is always defined.
Signed-off-by: Keir Fraser <keir@xen.org>
Diffstat (limited to 'xen/arch/x86/traps.c')
-rw-r--r-- | xen/arch/x86/traps.c | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/xen/arch/x86/traps.c b/xen/arch/x86/traps.c index 43e50529ba..8a6f646d15 100644 --- a/xen/arch/x86/traps.c +++ b/xen/arch/x86/traps.c @@ -92,9 +92,7 @@ DEFINE_PER_CPU(u64, efer); DEFINE_PER_CPU_READ_MOSTLY(u32, ler_msr); DEFINE_PER_CPU_READ_MOSTLY(struct desc_struct *, gdt_table); -#ifdef CONFIG_COMPAT DEFINE_PER_CPU_READ_MOSTLY(struct desc_struct *, compat_gdt_table); -#endif /* Master table, used by CPU0. */ idt_entry_t idt_table[IDT_ENTRIES]; @@ -2273,14 +2271,12 @@ static int emulate_privileged_op(struct cpu_user_regs *regs) *reg = xen_pfn_to_cr3(mfn_to_gmfn( v->domain, mfn)); } -#ifdef CONFIG_COMPAT else { mfn = l4e_get_pfn(*(l4_pgentry_t *)__va(pagetable_get_paddr(v->arch.guest_table))); *reg = compat_pfn_to_cr3(mfn_to_gmfn( v->domain, mfn)); } -#endif /* PTs should not be shared */ BUG_ON(page_get_owner(mfn_to_page(mfn)) == dom_cow); } @@ -2337,14 +2333,8 @@ static int emulate_privileged_op(struct cpu_user_regs *regs) unsigned long gfn; struct page_info *page; domain_lock(v->domain); - if ( !is_pv_32on64_vcpu(v) ) - { - gfn = xen_cr3_to_pfn(*reg); -#ifdef CONFIG_COMPAT - } else { - gfn = compat_cr3_to_pfn(*reg); -#endif - } + gfn = !is_pv_32on64_vcpu(v) + ? xen_cr3_to_pfn(*reg) : compat_cr3_to_pfn(*reg); page = get_page_from_gfn(v->domain, gfn, NULL, P2M_ALLOC); rc = page ? new_guest_cr3(page_to_mfn(page)) : 0; if ( page ) @@ -3422,13 +3412,11 @@ void load_TR(void) (unsigned long)tss, offsetof(struct tss_struct, __cacheline_filler) - 1, 9); -#ifdef CONFIG_COMPAT _set_tssldt_desc( this_cpu(compat_gdt_table) + TSS_ENTRY - FIRST_RESERVED_GDT_ENTRY, (unsigned long)tss, offsetof(struct tss_struct, __cacheline_filler) - 1, 11); -#endif /* Switch to non-compat GDT (which has B bit clear) to execute LTR. */ asm volatile ( @@ -3504,9 +3492,7 @@ void __init trap_init(void) idt_tables[0] = idt_table; this_cpu(gdt_table) = boot_cpu_gdt_table; -#ifdef CONFIG_COMPAT this_cpu(compat_gdt_table) = boot_cpu_compat_gdt_table; -#endif percpu_traps_init(); |