diff options
Diffstat (limited to 'arch/x86/kernel/setup.c')
| -rw-r--r-- | arch/x86/kernel/setup.c | 34 |
1 files changed, 28 insertions, 6 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index caec79fb83a..2ca12d4c88f 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -389,14 +389,34 @@ static void __init parse_setup_data(void) default: break; } -#ifndef CONFIG_DEBUG_BOOT_PARAMS - free_early(pa_data, pa_data+sizeof(*data)+data->len); -#endif pa_data = data->next; early_iounmap(data, PAGE_SIZE); } } +static void __init reserve_setup_data(void) +{ + struct setup_data *data; + u64 pa_data; + char buf[32]; + + if (boot_params.hdr.version < 0x0209) + return; + pa_data = boot_params.hdr.setup_data; + while (pa_data) { + data = early_ioremap(pa_data, sizeof(*data)); + sprintf(buf, "setup data %x", data->type); + reserve_early(pa_data, pa_data+sizeof(*data)+data->len, buf); + e820_update_range(pa_data, sizeof(*data)+data->len, + E820_RAM, E820_RESERVED_KERN); + pa_data = data->next; + early_iounmap(data, sizeof(*data)); + } + sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map); + printk(KERN_INFO "extended physical RAM map:\n"); + e820_print_map("reserve setup_data"); +} + /* * --------- Crashkernel reservation ------------------------------ */ @@ -523,7 +543,6 @@ void __init setup_arch(char **cmdline_p) memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data)); pre_setup_arch_hook(); early_cpu_init(); - reserve_setup_data(); #else printk(KERN_INFO "Command line: %s\n", boot_command_line); #endif @@ -567,6 +586,8 @@ void __init setup_arch(char **cmdline_p) ARCH_SETUP setup_memory_map(); + parse_setup_data(); + copy_edd(); if (!boot_params.hdr.root_flags) @@ -593,10 +614,11 @@ void __init setup_arch(char **cmdline_p) strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE); *cmdline_p = command_line; - parse_setup_data(); - parse_early_param(); + /* after early param, so could get panic from serial */ + reserve_setup_data(); + if (acpi_mps_check()) { #ifdef CONFIG_X86_LOCAL_APIC disable_apic = 1; |