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authorIngo Molnar <mingo@elte.hu>2011-02-14 11:55:18 +0100
committerIngo Molnar <mingo@elte.hu>2011-02-14 11:55:18 +0100
commitd2137d5af4259f50c19addb8246a186c9ffac325 (patch)
tree2f7e309f9cf8ef2f2698532c226edda38021fe69 /arch/x86/kernel/setup.c
parentf005fe12b90c5b9fe180a09209a893e09affa8aa (diff)
parent795abaf1e4e188c4171e3cd3dbb11a9fcacaf505 (diff)
Merge branch 'linus' into x86/bootmem
Conflicts: arch/x86/mm/numa_64.c Merge reason: fix the conflict, update to latest -rc and pick up this dependent fix from Yinghai: e6d2e2b2b1e1: memblock: don't adjust size in memblock_find_base() Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/setup.c')
-rw-r--r--arch/x86/kernel/setup.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 635185ba443..6b286d879a2 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -525,7 +525,18 @@ static inline unsigned long long get_total_mem(void)
return total << PAGE_SHIFT;
}
-#define DEFAULT_BZIMAGE_ADDR_MAX 0x37FFFFFF
+/*
+ * Keep the crash kernel below this limit. On 32 bits earlier kernels
+ * would limit the kernel to the low 512 MiB due to mapping restrictions.
+ * On 64 bits, kexec-tools currently limits us to 896 MiB; increase this
+ * limit once kexec-tools are fixed.
+ */
+#ifdef CONFIG_X86_32
+# define CRASH_KERNEL_ADDR_MAX (512 << 20)
+#else
+# define CRASH_KERNEL_ADDR_MAX (896 << 20)
+#endif
+
static void __init reserve_crashkernel(void)
{
unsigned long long total_mem;
@@ -544,10 +555,10 @@ static void __init reserve_crashkernel(void)
const unsigned long long alignment = 16<<20; /* 16M */
/*
- * kexec want bzImage is below DEFAULT_BZIMAGE_ADDR_MAX
+ * kexec want bzImage is below CRASH_KERNEL_ADDR_MAX
*/
crash_base = memblock_find_in_range(alignment,
- DEFAULT_BZIMAGE_ADDR_MAX, crash_size, alignment);
+ CRASH_KERNEL_ADDR_MAX, crash_size, alignment);
if (crash_base == MEMBLOCK_ERROR) {
pr_info("crashkernel reservation failed - No suitable area found.\n");
@@ -784,7 +795,6 @@ void __init setup_arch(char **cmdline_p)
x86_init.oem.arch_setup();
- resource_alloc_from_bottom = 0;
iomem_resource.end = (1ULL << boot_cpu_data.x86_phys_bits) - 1;
setup_memory_map();
parse_setup_data();
@@ -1042,10 +1052,7 @@ void __init setup_arch(char **cmdline_p)
#endif
init_apic_mappings();
- ioapic_init_mappings();
-
- /* need to wait for io_apic is mapped */
- probe_nr_irqs_gsi();
+ ioapic_and_gsi_init();
kvm_guest_init();