1 files changed, 92 insertions, 88 deletions

diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index c27d5b2c182..d86669bcdfb 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -46,12 +46,12 @@
 #include <linux/kexec.h>
 #include <linux/crash_dump.h>
 
-#include <asm/ia32.h>
 #include <asm/machvec.h>
 #include <asm/mca.h>
 #include <asm/meminit.h>
 #include <asm/page.h>
 #include <asm/paravirt.h>
+#include <asm/paravirt_patch.h>
 #include <asm/patch.h>
 #include <asm/pgtable.h>
 #include <asm/processor.h>
@@ -59,7 +59,6 @@
 #include <asm/sections.h>
 #include <asm/setup.h>
 #include <asm/smp.h>
-#include <asm/system.h>
 #include <asm/tlbflush.h>
 #include <asm/unistd.h>
 #include <asm/hpsim.h>
@@ -73,7 +72,7 @@ unsigned long __per_cpu_offset[NR_CPUS];
 EXPORT_SYMBOL(__per_cpu_offset);
 #endif
 
-DEFINE_PER_CPU(struct cpuinfo_ia64, cpu_info);
+DEFINE_PER_CPU(struct cpuinfo_ia64, ia64_cpu_info);
 DEFINE_PER_CPU(unsigned long, local_per_cpu_offset);
 unsigned long ia64_cycles_per_usec;
 struct ia64_boot_param *ia64_boot_param;
@@ -98,12 +97,6 @@ static struct resource bss_resource = {
 
 unsigned long ia64_max_cacheline_size;
 
-int dma_get_cache_alignment(void)
-{
-        return ia64_max_cacheline_size;
-}
-EXPORT_SYMBOL(dma_get_cache_alignment);
-
 unsigned long ia64_iobase;	/* virtual address for I/O accesses */
 EXPORT_SYMBOL(ia64_iobase);
 struct io_space io_space[MAX_IO_SPACES];
@@ -116,6 +109,13 @@ unsigned int num_io_spaces;
  */
 #define	I_CACHE_STRIDE_SHIFT	5	/* Safest way to go: 32 bytes by 32 bytes */
 unsigned long ia64_i_cache_stride_shift = ~0;
+/*
+ * "clflush_cache_range()" needs to know what processor dependent stride size to
+ * use when it flushes cache lines including both d-cache and i-cache.
+ */
+/* Safest way to go: 32 bytes by 32 bytes */
+#define	CACHE_STRIDE_SHIFT	5
+unsigned long ia64_cache_stride_shift = ~0;
 
 /*
  * The merge_mask variable needs to be set to (max(iommu_page_size(iommu)) - 1).  This
@@ -143,9 +143,9 @@ int num_rsvd_regions __initdata;
  * This routine does not assume the incoming segments are sorted.
  */
 int __init
-filter_rsvd_memory (unsigned long start, unsigned long end, void *arg)
+filter_rsvd_memory (u64 start, u64 end, void *arg)
 {
-	unsigned long range_start, range_end, prev_start;
+	u64 range_start, range_end, prev_start;
 	void (*func)(unsigned long, unsigned long, int);
 	int i;
 
@@ -183,7 +183,7 @@ filter_rsvd_memory (unsigned long start, unsigned long end, void *arg)
  * are not filtered out.
  */
 int __init
-filter_memory(unsigned long start, unsigned long end, void *arg)
+filter_memory(u64 start, u64 end, void *arg)
 {
 	void (*func)(unsigned long, unsigned long, int);
 
@@ -219,6 +219,23 @@ sort_regions (struct rsvd_region *rsvd_region, int max)
 	}
 }
 
+/* merge overlaps */
+static int __init
+merge_regions (struct rsvd_region *rsvd_region, int max)
+{
+	int i;
+	for (i = 1; i < max; ++i) {
+		if (rsvd_region[i].start >= rsvd_region[i-1].end)
+			continue;
+		if (rsvd_region[i].end > rsvd_region[i-1].end)
+			rsvd_region[i-1].end = rsvd_region[i].end;
+		--max;
+		memmove(&rsvd_region[i], &rsvd_region[i+1],
+			(max - i) * sizeof(struct rsvd_region));
+	}
+	return max;
+}
+
 /*
  * Request address space for all standard resources
  */
@@ -269,6 +286,7 @@ static void __init setup_crashkernel(unsigned long total, int *n)
 	if (ret == 0 && size > 0) {
 		if (!base) {
 			sort_regions(rsvd_region, *n);
+			*n = merge_regions(rsvd_region, *n);
 			base = kdump_find_rsvd_region(size,
 					rsvd_region, *n);
 		}
@@ -352,7 +370,7 @@ reserve_memory (void)
 	}
 #endif
 
-#ifdef CONFIG_PROC_VMCORE
+#ifdef CONFIG_CRASH_DUMP
 	if (reserve_elfcorehdr(&rsvd_region[n].start,
 			       &rsvd_region[n].end) == 0)
 		n++;
@@ -372,6 +390,7 @@ reserve_memory (void)
 	BUG_ON(IA64_MAX_RSVD_REGIONS + 1 < n);
 
 	sort_regions(rsvd_region, num_rsvd_regions);
+	num_rsvd_regions = merge_regions(rsvd_region, num_rsvd_regions);
 }
 
 
@@ -389,7 +408,7 @@ find_initrd (void)
 		initrd_start = (unsigned long)__va(ia64_boot_param->initrd_start);
 		initrd_end   = initrd_start+ia64_boot_param->initrd_size;
 
-		printk(KERN_INFO "Initial ramdisk at: 0x%lx (%lu bytes)\n",
+		printk(KERN_INFO "Initial ramdisk at: 0x%lx (%llu bytes)\n",
 		       initrd_start, ia64_boot_param->initrd_size);
 	}
 #endif
@@ -466,7 +485,7 @@ mark_bsp_online (void)
 {
 #ifdef CONFIG_SMP
 	/* If we register an early console, allow CPU 0 to printk */
-	cpu_set(smp_processor_id(), cpu_online_map);
+	set_cpu_online(smp_processor_id(), true);
 #endif
 }
 
@@ -478,23 +497,10 @@ static __init int setup_nomca(char *s)
 }
 early_param("nomca", setup_nomca);
 
-#ifdef CONFIG_PROC_VMCORE
-/* elfcorehdr= specifies the location of elf core header
- * stored by the crashed kernel.
- */
-static int __init parse_elfcorehdr(char *arg)
+#ifdef CONFIG_CRASH_DUMP
+int __init reserve_elfcorehdr(u64 *start, u64 *end)
 {
-	if (!arg)
-		return -EINVAL;
-
-        elfcorehdr_addr = memparse(arg, &arg);
-	return 0;
-}
-early_param("elfcorehdr", parse_elfcorehdr);
-
-int __init reserve_elfcorehdr(unsigned long *start, unsigned long *end)
-{
-	unsigned long length;
+	u64 length;
 
 	/* We get the address using the kernel command line,
 	 * but the size is extracted from the EFI tables.
@@ -502,11 +508,11 @@ int __init reserve_elfcorehdr(unsigned long *start, unsigned long *end)
 	 * to work properly.
 	 */
 
-	if (elfcorehdr_addr >= ELFCORE_ADDR_MAX)
+	if (!is_vmcore_usable())
 		return -EINVAL;
 
 	if ((length = vmcore_find_descriptor_size(elfcorehdr_addr)) == 0) {
-		elfcorehdr_addr = ELFCORE_ADDR_MAX;
+		vmcore_unusable();
 		return -EINVAL;
 	}
 
@@ -525,6 +531,7 @@ setup_arch (char **cmdline_p)
 	paravirt_arch_setup_early();
 
 	ia64_patch_vtop((u64) __start___vtop_patchlist, (u64) __end___vtop_patchlist);
+	paravirt_patch_apply();
 
 	*cmdline_p = __va(ia64_boot_param->command_line);
 	strlcpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);
@@ -549,18 +556,21 @@ setup_arch (char **cmdline_p)
 #ifdef CONFIG_ACPI
 	/* Initialize the ACPI boot-time table parser */
 	acpi_table_init();
+	early_acpi_boot_init();
 # ifdef CONFIG_ACPI_NUMA
 	acpi_numa_init();
+#  ifdef CONFIG_ACPI_HOTPLUG_CPU
+	prefill_possible_map();
+#  endif
 	per_cpu_scan_finalize((cpus_weight(early_cpu_possible_map) == 0 ?
 		32 : cpus_weight(early_cpu_possible_map)),
 		additional_cpus > 0 ? additional_cpus : 0);
 # endif
-#else
-# ifdef CONFIG_SMP
-	smp_build_cpu_map();	/* happens, e.g., with the Ski simulator */
-# endif
 #endif /* CONFIG_APCI_BOOT */
 
+#ifdef CONFIG_SMP
+	smp_build_cpu_map();
+#endif
 	find_memory();
 
 	/* process SAL system table: */
@@ -570,7 +580,7 @@ setup_arch (char **cmdline_p)
 	ia64_patch_rse((u64) __start___rse_patchlist, (u64) __end___rse_patchlist);
 #else
 	{
-		u64 num_phys_stacked;
+		unsigned long num_phys_stacked;
 
 		if (ia64_pal_rse_info(&num_phys_stacked, 0) == 0 && num_phys_stacked > 96)
 			ia64_patch_rse((u64) __start___rse_patchlist, (u64) __end___rse_patchlist);
@@ -584,10 +594,6 @@ setup_arch (char **cmdline_p)
 	cpu_init();	/* initialize the bootstrap CPU */
 	mmu_context_init();	/* initialize context_id bitmap */
 
-#ifdef CONFIG_ACPI
-	acpi_boot_init();
-#endif
-
 	paravirt_banner();
 	paravirt_arch_setup_console(cmdline_p);
 
@@ -616,7 +622,9 @@ setup_arch (char **cmdline_p)
 		ia64_mca_init();
 
 	platform_setup(cmdline_p);
+#ifndef CONFIG_IA64_HP_SIM
 	check_sal_cache_flush();
+#endif
 	paging_init();
 }
 
@@ -712,10 +720,10 @@ static void *
 c_start (struct seq_file *m, loff_t *pos)
 {
 #ifdef CONFIG_SMP
-	while (*pos < NR_CPUS && !cpu_isset(*pos, cpu_online_map))
+	while (*pos < nr_cpu_ids && !cpu_online(*pos))
 		++*pos;
 #endif
-	return *pos < NR_CPUS ? cpu_data(*pos) : NULL;
+	return *pos < nr_cpu_ids ? cpu_data(*pos) : NULL;
 }
 
 static void *
@@ -740,7 +748,7 @@ const struct seq_operations cpuinfo_op = {
 #define MAX_BRANDS	8
 static char brandname[MAX_BRANDS][128];
 
-static char * __cpuinit
+static char *
 get_model_name(__u8 family, __u8 model)
 {
 	static int overflow;
@@ -770,7 +778,7 @@ get_model_name(__u8 family, __u8 model)
 	return "Unknown";
 }
 
-static void __cpuinit
+static void
 identify_cpu (struct cpuinfo_ia64 *c)
 {
 	union {
@@ -835,28 +843,20 @@ identify_cpu (struct cpuinfo_ia64 *c)
 	c->unimpl_pa_mask = ~((1L<<63) | ((1L << phys_addr_size) - 1));
 }
 
-void __init
-setup_per_cpu_areas (void)
-{
-	/* start_kernel() requires this... */
-#ifdef CONFIG_ACPI_HOTPLUG_CPU
-	prefill_possible_map();
-#endif
-}
-
 /*
- * Calculate the max. cache line size.
+ * Do the following calculations:
  *
- * In addition, the minimum of the i-cache stride sizes is calculated for
- * "flush_icache_range()".
+ * 1. the max. cache line size.
+ * 2. the minimum of the i-cache stride sizes for "flush_icache_range()".
+ * 3. the minimum of the cache stride sizes for "clflush_cache_range()".
  */
-static void __cpuinit
-get_max_cacheline_size (void)
+static void
+get_cache_info(void)
 {
 	unsigned long line_size, max = 1;
-	u64 l, levels, unique_caches;
-        pal_cache_config_info_t cci;
-        s64 status;
+	unsigned long l, levels, unique_caches;
+	pal_cache_config_info_t cci;
+	long status;
 
         status = ia64_pal_cache_summary(&levels, &unique_caches);
         if (status != 0) {
@@ -865,33 +865,41 @@ get_max_cacheline_size (void)
                 max = SMP_CACHE_BYTES;
 		/* Safest setup for "flush_icache_range()" */
 		ia64_i_cache_stride_shift = I_CACHE_STRIDE_SHIFT;
+		/* Safest setup for "clflush_cache_range()" */
+		ia64_cache_stride_shift = CACHE_STRIDE_SHIFT;
 		goto out;
         }
 
 	for (l = 0; l < levels; ++l) {
-		status = ia64_pal_cache_config_info(l, /* cache_type (data_or_unified)= */ 2,
-						    &cci);
+		/* cache_type (data_or_unified)=2 */
+		status = ia64_pal_cache_config_info(l, 2, &cci);
 		if (status != 0) {
-			printk(KERN_ERR
-			       "%s: ia64_pal_cache_config_info(l=%lu, 2) failed (status=%ld)\n",
-			       __func__, l, status);
+			printk(KERN_ERR "%s: ia64_pal_cache_config_info"
+				"(l=%lu, 2) failed (status=%ld)\n",
+				__func__, l, status);
 			max = SMP_CACHE_BYTES;
 			/* The safest setup for "flush_icache_range()" */
 			cci.pcci_stride = I_CACHE_STRIDE_SHIFT;
+			/* The safest setup for "clflush_cache_range()" */
+			ia64_cache_stride_shift = CACHE_STRIDE_SHIFT;
 			cci.pcci_unified = 1;
+		} else {
+			if (cci.pcci_stride < ia64_cache_stride_shift)
+				ia64_cache_stride_shift = cci.pcci_stride;
+
+			line_size = 1 << cci.pcci_line_size;
+			if (line_size > max)
+				max = line_size;
 		}
-		line_size = 1 << cci.pcci_line_size;
-		if (line_size > max)
-			max = line_size;
+
 		if (!cci.pcci_unified) {
-			status = ia64_pal_cache_config_info(l,
-						    /* cache_type (instruction)= */ 1,
-						    &cci);
+			/* cache_type (instruction)=1*/
+			status = ia64_pal_cache_config_info(l, 1, &cci);
 			if (status != 0) {
-				printk(KERN_ERR
-				"%s: ia64_pal_cache_config_info(l=%lu, 1) failed (status=%ld)\n",
+				printk(KERN_ERR "%s: ia64_pal_cache_config_info"
+					"(l=%lu, 1) failed (status=%ld)\n",
 					__func__, l, status);
-				/* The safest setup for "flush_icache_range()" */
+				/* The safest setup for flush_icache_range() */
 				cci.pcci_stride = I_CACHE_STRIDE_SHIFT;
 			}
 		}
@@ -907,10 +915,10 @@ get_max_cacheline_size (void)
  * cpu_init() initializes state that is per-CPU.  This function acts
  * as a 'CPU state barrier', nothing should get across.
  */
-void __cpuinit
+void
 cpu_init (void)
 {
-	extern void __cpuinit ia64_mmu_init (void *);
+	extern void ia64_mmu_init(void *);
 	static unsigned long max_num_phys_stacked = IA64_NUM_PHYS_STACK_REG;
 	unsigned long num_phys_stacked;
 	pal_vm_info_2_u_t vmi;
@@ -940,7 +948,7 @@ cpu_init (void)
 	}
 #endif
 
-	get_max_cacheline_size();
+	get_cache_info();
 
 	/*
 	 * We can't pass "local_cpu_data" to identify_cpu() because we haven't called
@@ -948,7 +956,7 @@ cpu_init (void)
 	 * depends on the data returned by identify_cpu().  We break the dependency by
 	 * accessing cpu_data() through the canonical per-CPU address.
 	 */
-	cpu_info = cpu_data + ((char *) &__ia64_per_cpu_var(cpu_info) - __per_cpu_start);
+	cpu_info = cpu_data + ((char *) &__ia64_per_cpu_var(ia64_cpu_info) - __per_cpu_start);
 	identify_cpu(cpu_info);
 
 #ifdef CONFIG_MCKINLEY
@@ -992,16 +1000,11 @@ cpu_init (void)
 					| IA64_DCR_DA | IA64_DCR_DD | IA64_DCR_LC));
 	atomic_inc(&init_mm.mm_count);
 	current->active_mm = &init_mm;
-	if (current->mm)
-		BUG();
+	BUG_ON(current->mm);
 
 	ia64_mmu_init(ia64_imva(cpu_data));
 	ia64_mca_cpu_init(ia64_imva(cpu_data));
 
-#ifdef CONFIG_IA32_SUPPORT
-	ia32_cpu_init();
-#endif
-
 	/* Clear ITC to eliminate sched_clock() overflows in human time.  */
 	ia64_set_itc(0);
 
@@ -1048,7 +1051,6 @@ cpu_init (void)
 		max_num_phys_stacked = num_phys_stacked;
 	}
 	platform_cpu_init();
-	pm_idle = default_idle;
 }
 
 void __init
@@ -1061,6 +1063,8 @@ check_bugs (void)
 static int __init run_dmi_scan(void)
 {
 	dmi_scan_machine();
+	dmi_memdev_walk();
+	dmi_set_dump_stack_arch_desc();
 	return 0;
 }
 core_initcall(run_dmi_scan);