Merge commit 'perf/core' into perf/hw-breakpoint

Conflicts:
	kernel/Makefile
	kernel/trace/Makefile
	kernel/trace/trace.h
	samples/Makefile

Merge reason: We need to be uptodate with the perf events development
branch because we plan to rewrite the breakpoints API on top of
perf events.

6 files changed, 36 insertions, 31 deletions

diff --git a/arch/x86/xen/debugfs.c b/arch/x86/xen/debugfs.c
index b53225d2cac..e133ce25e29 100644
--- a/arch/x86/xen/debugfs.c
+++ b/arch/x86/xen/debugfs.c
@@ -100,7 +100,7 @@ static int xen_array_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static struct file_operations u32_array_fops = {
+static const struct file_operations u32_array_fops = {
 	.owner	= THIS_MODULE,
 	.open	= u32_array_open,
 	.release= xen_array_release,
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 0dd0c2c6cae..3439616d69f 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -912,19 +912,9 @@ static const struct pv_info xen_info __initdata = {
 
 static const struct pv_init_ops xen_init_ops __initdata = {
 	.patch = xen_patch,
-
-	.banner = xen_banner,
-	.memory_setup = xen_memory_setup,
-	.arch_setup = xen_arch_setup,
-	.post_allocator_init = xen_post_allocator_init,
 };
 
 static const struct pv_time_ops xen_time_ops __initdata = {
-	.time_init = xen_time_init,
-
-	.set_wallclock = xen_set_wallclock,
-	.get_wallclock = xen_get_wallclock,
-	.get_tsc_khz = xen_tsc_khz,
 	.sched_clock = xen_sched_clock,
 };
 
@@ -990,8 +980,6 @@ static const struct pv_cpu_ops xen_cpu_ops __initdata = {
 
 static const struct pv_apic_ops xen_apic_ops __initdata = {
 #ifdef CONFIG_X86_LOCAL_APIC
-	.setup_boot_clock = paravirt_nop,
-	.setup_secondary_clock = paravirt_nop,
 	.startup_ipi_hook = paravirt_nop,
 #endif
 };
@@ -1070,7 +1058,18 @@ 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;
+	x86_init.oem.banner = xen_banner;
+
+	x86_init.timers.timer_init = xen_time_init;
+	x86_init.timers.setup_percpu_clockev = x86_init_noop;
+	x86_cpuinit.setup_percpu_clockev = x86_init_noop;
+
+	x86_platform.calibrate_tsc = xen_tsc_khz;
+	x86_platform.get_wallclock = xen_get_wallclock;
+	x86_platform.set_wallclock = xen_set_wallclock;
 
 	/*
 	 * Set up some pagetable state before starting to set any ptes.
@@ -1083,6 +1082,11 @@ asmlinkage void __init xen_start_kernel(void)
 
 	__supported_pte_mask |= _PAGE_IOMAP;
 
+#ifdef CONFIG_X86_64
+	/* Work out if we support NX */
+	check_efer();
+#endif
+
 	xen_setup_features();
 
 	/* Get mfn list */
@@ -1095,6 +1099,7 @@ asmlinkage void __init xen_start_kernel(void)
 	 */
 	xen_setup_stackprotector();
 
+	xen_init_mmu_ops();
 	xen_init_irq_ops();
 	xen_init_cpuid_mask();
 
@@ -1123,11 +1128,6 @@ asmlinkage void __init xen_start_kernel(void)
 
 	pgd = (pgd_t *)xen_start_info->pt_base;
 
-#ifdef CONFIG_X86_64
-	/* Work out if we support NX */
-	check_efer();
-#endif
-
 	/* Don't do the full vcpu_info placement stuff until we have a
 	   possible map and a non-dummy shared_info. */
 	per_cpu(xen_vcpu, 0) = &HYPERVISOR_shared_info->vcpu_info[0];
diff --git a/arch/x86/xen/irq.c b/arch/x86/xen/irq.c
index cfd17799bd6..9d30105a0c4 100644
--- a/arch/x86/xen/irq.c
+++ b/arch/x86/xen/irq.c
@@ -1,5 +1,7 @@
 #include <linux/hardirq.h>
 
+#include <asm/x86_init.h>
+
 #include <xen/interface/xen.h>
 #include <xen/interface/sched.h>
 #include <xen/interface/vcpu.h>
@@ -112,8 +114,6 @@ static void xen_halt(void)
 }
 
 static const struct pv_irq_ops xen_irq_ops __initdata = {
-	.init_IRQ = xen_init_IRQ,
-
 	.save_fl = PV_CALLEE_SAVE(xen_save_fl),
 	.restore_fl = PV_CALLEE_SAVE(xen_restore_fl),
 	.irq_disable = PV_CALLEE_SAVE(xen_irq_disable),
@@ -129,4 +129,5 @@ static const struct pv_irq_ops xen_irq_ops __initdata = {
 void __init xen_init_irq_ops()
 {
 	pv_irq_ops = xen_irq_ops;
+	x86_init.irqs.intr_init = xen_init_IRQ;
 }
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 4ceb2858165..3bf7b1d250c 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1165,14 +1165,14 @@ static void xen_drop_mm_ref(struct mm_struct *mm)
 	/* Get the "official" set of cpus referring to our pagetable. */
 	if (!alloc_cpumask_var(&mask, GFP_ATOMIC)) {
 		for_each_online_cpu(cpu) {
-			if (!cpumask_test_cpu(cpu, &mm->cpu_vm_mask)
+			if (!cpumask_test_cpu(cpu, mm_cpumask(mm))
 			    && per_cpu(xen_current_cr3, cpu) != __pa(mm->pgd))
 				continue;
 			smp_call_function_single(cpu, drop_other_mm_ref, mm, 1);
 		}
 		return;
 	}
-	cpumask_copy(mask, &mm->cpu_vm_mask);
+	cpumask_copy(mask, mm_cpumask(mm));
 
 	/* It's possible that a vcpu may have a stale reference to our
 	   cr3, because its in lazy mode, and it hasn't yet flushed
@@ -1229,9 +1229,12 @@ static __init void xen_pagetable_setup_start(pgd_t *base)
 {
 }
 
+static void xen_post_allocator_init(void);
+
 static __init void xen_pagetable_setup_done(pgd_t *base)
 {
 	xen_setup_shared_info();
+	xen_post_allocator_init();
 }
 
 static void xen_write_cr2(unsigned long cr2)
@@ -1841,7 +1844,7 @@ static void xen_set_fixmap(unsigned idx, phys_addr_t phys, pgprot_t prot)
 #endif
 }
 
-__init void xen_post_allocator_init(void)
+static __init void xen_post_allocator_init(void)
 {
 	pv_mmu_ops.set_pte = xen_set_pte;
 	pv_mmu_ops.set_pmd = xen_set_pmd;
@@ -1875,10 +1878,7 @@ 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 +1954,12 @@ 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 */
diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h
index 22494fd4c9b..355fa6b99c9 100644
--- a/arch/x86/xen/xen-ops.h
+++ b/arch/x86/xen/xen-ops.h
@@ -30,8 +30,6 @@ pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn);
 void xen_ident_map_ISA(void);
 void xen_reserve_top(void);
 
-void xen_post_allocator_init(void);
-
 char * __init xen_memory_setup(void);
 void __init xen_arch_setup(void);
 void __init xen_init_IRQ(void);