X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fx86%2Fkernel%2Fsetup.c;h=d3cfe26c0252ab24aaae1481c8c297ac096e6c6d;hb=a1e8fad5900fa94adb500c6e0dfd60a307f7a3c9;hp=85268f8eadf667c6034c06882ed661cb7d03e4a8;hpb=56f4c400349157289b474a3fd49ee96acab0a4d7;p=pandora-kernel.git

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 85268f8eadf6..d3cfe26c0252 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -501,7 +501,18 @@ 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;
@@ -520,10 +531,10 @@ 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");
@@ -694,7 +705,7 @@ static u64 __init get_max_mapped(void)
 void __init setup_arch(char **cmdline_p)
 {
 	int acpi = 0;
-	int k8 = 0;
+	int amd = 0;
 	unsigned long flags;
 
 #ifdef CONFIG_X86_32
@@ -980,12 +991,12 @@ void __init setup_arch(char **cmdline_p)
 	acpi = acpi_numa_init();
 #endif
 
-#ifdef CONFIG_K8_NUMA
+#ifdef CONFIG_AMD_NUMA
 	if (!acpi)
-		k8 = !k8_numa_init(0, max_pfn);
+		amd = !amd_numa_init(0, max_pfn);
 #endif
 
-	initmem_init(0, max_pfn, acpi, k8);
+	initmem_init(0, max_pfn, acpi, amd);
 	memblock_find_dma_reserve();
 	dma32_reserve_bootmem();
 
@@ -1034,10 +1045,7 @@ 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();