Merge branch 'linus' into x86/x2apic

[sfrench/cifs-2.6.git] / arch / x86 / xen / enlighten.c

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 3da6acb7eafcef8679f13d35dc25b16f3ccb6f4c..8d28925ebed97345f6acd76cff6313be69f67d08 100644 (file)
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -36,6 +36,7 @@
 #include <xen/hvc-console.h>
 
 #include <asm/paravirt.h>
+#include <asm/apic.h>
 #include <asm/page.h>
 #include <asm/xen/hypercall.h>
 #include <asm/xen/hypervisor.h>
@@ -180,10 +181,14 @@ void xen_vcpu_restore(void)
 
 static void __init xen_banner(void)
 {
+       unsigned version = HYPERVISOR_xen_version(XENVER_version, NULL);
+       struct xen_extraversion extra;
+       HYPERVISOR_xen_version(XENVER_extraversion, &extra);
+
        printk(KERN_INFO "Booting paravirtualized kernel on %s\n",
               pv_info.name);
-       printk(KERN_INFO "Hypervisor signature: %s%s\n",
-              xen_start_info->magic,
+       printk(KERN_INFO "Xen version: %d.%d%s%s\n",
+              version >> 16, version & 0xffff, extra.extraversion,
               xen_feature(XENFEAT_mmu_pt_update_preserve_ad) ? " (preserve-AD)" : "");
 }
 
@@ -576,16 +581,47 @@ static void xen_io_delay(void)
 }
 
 #ifdef CONFIG_X86_LOCAL_APIC
-static u32 xen_apic_read(unsigned long reg)
+static u32 xen_apic_read(u32 reg)
+{
+       return 0;
+}
+
+static void xen_apic_write(u32 reg, u32 val)
+{
+       /* Warn to see if there's any stray references */
+       WARN_ON(1);
+}
+
+static u64 xen_apic_icr_read(void)
 {
        return 0;
 }
 
-static void xen_apic_write(unsigned long reg, u32 val)
+static void xen_apic_icr_write(u32 low, u32 id)
 {
        /* Warn to see if there's any stray references */
        WARN_ON(1);
 }
+
+static void xen_apic_wait_icr_idle(void)
+{
+        return;
+}
+
+static u32 xen_safe_apic_wait_icr_idle(void)
+{
+        return 0;
+}
+
+static struct apic_ops xen_basic_apic_ops = {
+       .read = xen_apic_read,
+       .write = xen_apic_write,
+       .icr_read = xen_apic_icr_read,
+       .icr_write = xen_apic_icr_write,
+       .wait_icr_idle = xen_apic_wait_icr_idle,
+       .safe_wait_icr_idle = xen_safe_apic_wait_icr_idle,
+};
+
 #endif
 
 static void xen_flush_tlb(void)
@@ -1269,9 +1305,6 @@ static const struct pv_irq_ops xen_irq_ops __initdata = {
 
 static const struct pv_apic_ops xen_apic_ops __initdata = {
 #ifdef CONFIG_X86_LOCAL_APIC
-       .apic_write = xen_apic_write,
-       .apic_write_atomic = xen_apic_write,
-       .apic_read = xen_apic_read,
        .setup_boot_clock = paravirt_nop,
        .setup_secondary_clock = paravirt_nop,
        .startup_ipi_hook = paravirt_nop,
@@ -1432,7 +1465,7 @@ static unsigned long m2p(phys_addr_t maddr)
 {
        phys_addr_t paddr;
 
-       maddr &= PTE_MASK;
+       maddr &= PTE_PFN_MASK;
        paddr = mfn_to_pfn(maddr >> PAGE_SHIFT) << PAGE_SHIFT;
 
        return paddr;
@@ -1674,6 +1707,13 @@ asmlinkage void __init xen_start_kernel(void)
        pv_apic_ops = xen_apic_ops;
        pv_mmu_ops = xen_mmu_ops;
 
+#ifdef CONFIG_X86_LOCAL_APIC
+       /*
+        * set up the basic apic ops.
+        */
+       apic_ops = &xen_basic_apic_ops;
+#endif
+
        if (xen_feature(XENFEAT_mmu_pt_update_preserve_ad)) {
                pv_mmu_ops.ptep_modify_prot_start = xen_ptep_modify_prot_start;
                pv_mmu_ops.ptep_modify_prot_commit = xen_ptep_modify_prot_commit;