From 9ca33eb6981549c0d1b7aea7f99f1ba602161356 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Tue, 26 Sep 2006 10:52:32 +0200 Subject: [PATCH] [PATCH] Use early CPU identify before early command line parsing This makes it possible to modify CPU flags in command line options without hacks. And remove another copy in head64.c Signed-off-by: Andi Kleen --- arch/x86_64/kernel/head64.c | 19 ------------------- arch/x86_64/kernel/setup.c | 4 ++-- 2 files changed, 2 insertions(+), 21 deletions(-) diff --git a/arch/x86_64/kernel/head64.c b/arch/x86_64/kernel/head64.c index bacbd75c63ad..f2461fde9f8f 100644 --- a/arch/x86_64/kernel/head64.c +++ b/arch/x86_64/kernel/head64.c @@ -56,24 +56,6 @@ static void __init copy_bootdata(char *real_mode_data) printk("Bootdata ok (command line is %s)\n", saved_command_line); } -static void __init setup_boot_cpu_data(void) -{ - unsigned int dummy, eax; - - /* get vendor info */ - cpuid(0, (unsigned int *)&boot_cpu_data.cpuid_level, - (unsigned int *)&boot_cpu_data.x86_vendor_id[0], - (unsigned int *)&boot_cpu_data.x86_vendor_id[8], - (unsigned int *)&boot_cpu_data.x86_vendor_id[4]); - - /* get cpu type */ - cpuid(1, &eax, &dummy, &dummy, - (unsigned int *) &boot_cpu_data.x86_capability); - boot_cpu_data.x86 = (eax >> 8) & 0xf; - boot_cpu_data.x86_model = (eax >> 4) & 0xf; - boot_cpu_data.x86_mask = eax & 0xf; -} - void __init x86_64_start_kernel(char * real_mode_data) { char *s; @@ -117,6 +99,5 @@ void __init x86_64_start_kernel(char * real_mode_data) if (__pa_symbol(&_end) >= KERNEL_TEXT_SIZE) panic("Kernel too big for kernel mapping\n"); - setup_boot_cpu_data(); start_kernel(); } diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c index ddc3b2d9a165..73f1cdd140fe 100644 --- a/arch/x86_64/kernel/setup.c +++ b/arch/x86_64/kernel/setup.c @@ -545,10 +545,10 @@ void __init setup_arch(char **cmdline_p) data_resource.start = virt_to_phys(&_etext); data_resource.end = virt_to_phys(&_edata)-1; - parse_cmdline_early(cmdline_p); - early_identify_cpu(&boot_cpu_data); + parse_cmdline_early(cmdline_p); + /* * partially used pages are not usable - thus * we are rounding upwards: -- 2.20.1