Merge branch 'stable/bug.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git...

[pandora-kernel.git] / arch / x86 / xen / setup.c

diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index be1a464..df118a8 100644 (file)
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -9,6 +9,7 @@
 #include <linux/mm.h>
 #include <linux/pm.h>
 #include <linux/memblock.h>
+#include <linux/cpuidle.h>
 
 #include <asm/elf.h>
 #include <asm/vdso.h>
@@ -92,8 +93,6 @@ static unsigned long __init xen_release_chunk(phys_addr_t start_addr,
        if (end <= start)
                return 0;
 
-       printk(KERN_INFO "xen_release_chunk: looking at area pfn %lx-%lx: ",
-              start, end);
        for(pfn = start; pfn < end; pfn++) {
                unsigned long mfn = pfn_to_mfn(pfn);
 
@@ -106,14 +105,14 @@ static unsigned long __init xen_release_chunk(phys_addr_t start_addr,
 
                ret = HYPERVISOR_memory_op(XENMEM_decrease_reservation,
                                           &reservation);
-               WARN(ret != 1, "Failed to release memory %lx-%lx err=%d\n",
-                    start, end, ret);
+               WARN(ret != 1, "Failed to release pfn %lx err=%d\n", pfn, ret);
                if (ret == 1) {
                        __set_phys_to_machine(pfn, INVALID_P2M_ENTRY);
                        len++;
                }
        }
-       printk(KERN_CONT "%ld pages freed\n", len);
+       printk(KERN_INFO "Freeing  %lx-%lx pfn range: %lu pages freed\n",
+              start, end, len);
 
        return len;
 }
@@ -139,7 +138,7 @@ static unsigned long __init xen_return_unused_memory(unsigned long max_pfn,
        if (last_end < max_addr)
                released += xen_release_chunk(last_end, max_addr);
 
-       printk(KERN_INFO "released %ld pages of unused memory\n", released);
+       printk(KERN_INFO "released %lu pages of unused memory\n", released);
        return released;
 }
 
@@ -227,11 +226,7 @@ char * __init xen_memory_setup(void)
 
        memcpy(map_raw, map, sizeof(map));
        e820.nr_map = 0;
-#ifdef CONFIG_X86_32
        xen_extra_mem_start = mem_end;
-#else
-       xen_extra_mem_start = max((1ULL << 32), mem_end);
-#endif
        for (i = 0; i < memmap.nr_entries; i++) {
                unsigned long long end;
 
@@ -266,6 +261,12 @@ char * __init xen_memory_setup(void)
                if (map[i].size > 0)
                        e820_add_region(map[i].addr, map[i].size, map[i].type);
        }
+       /* Align the balloon area so that max_low_pfn does not get set
+        * to be at the _end_ of the PCI gap at the far end (fee01000).
+        * Note that xen_extra_mem_start gets set in the loop above to be
+        * past the last E820 region. */
+       if (xen_initial_domain() && (xen_extra_mem_start < (1ULL<<32)))
+               xen_extra_mem_start = (1ULL<<32);
 
        /*
         * In domU, the ISA region is normal, usable memory, but we
@@ -424,7 +425,7 @@ void __init xen_arch_setup(void)
 #ifdef CONFIG_X86_32
        boot_cpu_data.hlt_works_ok = 1;
 #endif
-       pm_idle = default_idle;
+       disable_cpuidle();
        boot_option_idle_override = IDLE_HALT;
 
        fiddle_vdso();