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author | Huang, Ying | 2008-06-02 08:26:25 +0200 |
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committer | Thomas Gleixner | 2008-06-05 15:10:02 +0200 |
commit | c45a707dbe35cb9aa6490223e5b1129fa3583948 (patch) | |
tree | d9299dc6c099cc91c7a00370515146e3999ae5d5 /arch/x86/kernel/setup.c | |
parent | x86: extract common part of head32.c and head64.c into head.c (diff) | |
download | kernel-qcow2-linux-c45a707dbe35cb9aa6490223e5b1129fa3583948.tar.gz kernel-qcow2-linux-c45a707dbe35cb9aa6490223e5b1129fa3583948.tar.xz kernel-qcow2-linux-c45a707dbe35cb9aa6490223e5b1129fa3583948.zip |
x86: linked list of setup_data for i386
This patch adds linked list of struct setup_data supported for i386.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Cc: andi@firstfloor.org
Cc: mingo@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/setup.c')
-rw-r--r-- | arch/x86/kernel/setup.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 6f80b852a196..0a281f2c7157 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -137,3 +137,25 @@ void __init setup_per_cpu_areas(void) } #endif + +void __init parse_setup_data(void) +{ + struct setup_data *data; + u64 pa_data; + + if (boot_params.hdr.version < 0x0209) + return; + pa_data = boot_params.hdr.setup_data; + while (pa_data) { + data = early_ioremap(pa_data, PAGE_SIZE); + switch (data->type) { + 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); + } +} |