Pull percpu-dtc into release branch

[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / ia64 / kernel / setup.c

diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index f167b89..6e19da1 100644 (file)
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -90,8 +90,6 @@ static struct resource code_resource = {
        .name   = "Kernel code",
        .flags  = IORESOURCE_BUSY | IORESOURCE_MEM
 };
-extern void efi_initialize_iomem_resources(struct resource *,
-               struct resource *);
 extern char _text[], _end[], _etext[];
 
 unsigned long ia64_max_cacheline_size;
@@ -250,6 +248,12 @@ reserve_memory (void)
        }
 #endif
 
+#ifdef CONFIG_PROC_VMCORE
+       if (reserve_elfcorehdr(&rsvd_region[n].start,
+                              &rsvd_region[n].end) == 0)
+               n++;
+#endif
+
        efi_memmap_init(&rsvd_region[n].start, &rsvd_region[n].end);
        n++;
 
@@ -261,7 +265,7 @@ reserve_memory (void)
         * appropriate after a kernel panic.
         */
        {
-               char *from = strstr(saved_command_line, "crashkernel=");
+               char *from = strstr(boot_command_line, "crashkernel=");
                unsigned long base, size;
                if (from) {
                        size = memparse(from + 12, &from);
@@ -452,6 +456,30 @@ static int __init parse_elfcorehdr(char *arg)
        return 0;
 }
 early_param("elfcorehdr", parse_elfcorehdr);
+
+int __init reserve_elfcorehdr(unsigned long *start, unsigned long *end)
+{
+       unsigned long length;
+
+       /* We get the address using the kernel command line,
+        * but the size is extracted from the EFI tables.
+        * Both address and size are required for reservation
+        * to work properly.
+        */
+
+       if (elfcorehdr_addr >= ELFCORE_ADDR_MAX)
+               return -EINVAL;
+
+       if ((length = vmcore_find_descriptor_size(elfcorehdr_addr)) == 0) {
+               elfcorehdr_addr = ELFCORE_ADDR_MAX;
+               return -EINVAL;
+       }
+
+       *start = (unsigned long)__va(elfcorehdr_addr);
+       *end = *start + length;
+       return 0;
+}
+
 #endif /* CONFIG_PROC_VMCORE */
 
 void __init
@@ -462,7 +490,7 @@ setup_arch (char **cmdline_p)
        ia64_patch_vtop((u64) __start___vtop_patchlist, (u64) __end___vtop_patchlist);
 
        *cmdline_p = __va(ia64_boot_param->command_line);
-       strlcpy(saved_command_line, *cmdline_p, COMMAND_LINE_SIZE);
+       strlcpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);
 
        efi_init();
        io_port_init();
@@ -568,34 +596,31 @@ show_cpuinfo (struct seq_file *m, void *v)
                { 1UL << 1, "spontaneous deferral"},
                { 1UL << 2, "16-byte atomic ops" }
        };
-       char features[128], *cp, sep;
+       char features[128], *cp, *sep;
        struct cpuinfo_ia64 *c = v;
        unsigned long mask;
        unsigned long proc_freq;
-       int i;
+       int i, size;
 
        mask = c->features;
 
        /* build the feature string: */
-       memcpy(features, " standard", 10);
+       memcpy(features, "standard", 9);
        cp = features;
-       sep = 0;
-       for (i = 0; i < (int) ARRAY_SIZE(feature_bits); ++i) {
+       size = sizeof(features);
+       sep = "";
+       for (i = 0; i < ARRAY_SIZE(feature_bits) && size > 1; ++i) {
                if (mask & feature_bits[i].mask) {
-                       if (sep)
-                               *cp++ = sep;
-                       sep = ',';
-                       *cp++ = ' ';
-                       strcpy(cp, feature_bits[i].feature_name);
-                       cp += strlen(feature_bits[i].feature_name);
+                       cp += snprintf(cp, size, "%s%s", sep,
+                                      feature_bits[i].feature_name),
+                       sep = ", ";
                        mask &= ~feature_bits[i].mask;
+                       size = sizeof(features) - (cp - features);
                }
        }
-       if (mask) {
-               /* print unknown features as a hex value: */
-               if (sep)
-                       *cp++ = sep;
-               sprintf(cp, " 0x%lx", mask);
+       if (mask && size > 1) {
+               /* print unknown features as a hex value */
+               snprintf(cp, size, "%s0x%lx", sep, mask);
        }
 
        proc_freq = cpufreq_quick_get(cpunum);
@@ -611,10 +636,10 @@ show_cpuinfo (struct seq_file *m, void *v)
                   "model name : %s\n"
                   "revision   : %u\n"
                   "archrev    : %u\n"
-                  "features   :%s\n"   /* don't change this---it _is_ right! */
+                  "features   : %s\n"
                   "cpu number : %lu\n"
                   "cpu regs   : %u\n"
-                  "cpu MHz    : %lu.%06lu\n"
+                  "cpu MHz    : %lu.%03lu\n"
                   "itc MHz    : %lu.%06lu\n"
                   "BogoMIPS   : %lu.%02lu\n",
                   cpunum, c->vendor, c->family, c->model,
@@ -666,12 +691,15 @@ struct seq_operations cpuinfo_op = {
        .show =         show_cpuinfo
 };
 
-static char brandname[128];
+#define MAX_BRANDS     8
+static char brandname[MAX_BRANDS][128];
 
 static char * __cpuinit
 get_model_name(__u8 family, __u8 model)
 {
+       static int overflow;
        char brand[128];
+       int i;
 
        memcpy(brand, "Unknown", 8);
        if (ia64_pal_get_brand_info(brand)) {
@@ -683,12 +711,17 @@ get_model_name(__u8 family, __u8 model)
                        case 2: memcpy(brand, "Madison up to 9M cache", 23); break;
                }
        }
-       if (brandname[0] == '\0')
-               return strcpy(brandname, brand);
-       else if (strcmp(brandname, brand) == 0)
-               return brandname;
-       else
-               return kstrdup(brand, GFP_KERNEL);
+       for (i = 0; i < MAX_BRANDS; i++)
+               if (strcmp(brandname[i], brand) == 0)
+                       return brandname[i];
+       for (i = 0; i < MAX_BRANDS; i++)
+               if (brandname[i][0] == '\0')
+                       return strcpy(brandname[i], brand);
+       if (overflow++ == 0)
+               printk(KERN_ERR
+                      "%s: Table overflow. Some processor model information will be missing\n",
+                      __FUNCTION__);
+       return "Unknown";
 }
 
 static void __cpuinit