Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / arch / x86 / xen / setup.c

diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index b5a7f928234b064b34a0b9d2c8d2f9d869e7c635..a8a66a50d446342128776bfae67b27a5b97dd6f4 100644 (file)
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -179,8 +179,13 @@ char * __init xen_memory_setup(void)
        e820.nr_map = 0;
        xen_extra_mem_start = mem_end;
        for (i = 0; i < memmap.nr_entries; i++) {
-               unsigned long long end = map[i].addr + map[i].size;
+               unsigned long long end;
 
+               /* Guard against non-page aligned E820 entries. */
+               if (map[i].type == E820_RAM)
+                       map[i].size -= (map[i].size + map[i].addr) % PAGE_SIZE;
+
+               end = map[i].addr + map[i].size;
                if (map[i].type == E820_RAM && end > mem_end) {
                        /* RAM off the end - may be partially included */
                        u64 delta = min(map[i].size, end - mem_end);
@@ -350,6 +355,7 @@ void __init xen_arch_setup(void)
        boot_cpu_data.hlt_works_ok = 1;
 #endif
        pm_idle = default_idle;
+       boot_option_idle_override = IDLE_HALT;
 
        fiddle_vdso();
 }