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| author | Yinghai Lu | 2008-07-03 20:37:13 +0200 |
|---|---|---|
| committer | Ingo Molnar | 2008-07-09 07:43:22 +0200 |
| commit | a0a0becd2da0ba0d7f0204a61d1905926cdb163d (patch) | |
| tree | f16af8006d20dbc19572766d9c810c19c90c141d /arch/x86/kernel/setup.c | |
| parent | x86: move saving e820_saved to setup_memory_map (diff) | |
| download | kernel-qcow2-linux-a0a0becd2da0ba0d7f0204a61d1905926cdb163d.tar.gz kernel-qcow2-linux-a0a0becd2da0ba0d7f0204a61d1905926cdb163d.tar.xz kernel-qcow2-linux-a0a0becd2da0ba0d7f0204a61d1905926cdb163d.zip | |
x86: make e820_saved have update from setup_data
seperate reserve_setup_data into e820_reserved_setup_data,
and reserve_early_setup_data.
So could use e820_reserved_setup_data to backup e820 with setup_data.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Bernhard Walle <bwalle@suse.de>
Cc: Ying Huang <ying.huang@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/setup.c')
| -rw-r--r-- | arch/x86/kernel/setup.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index cfcfbefee0b9..bea8ae77d059 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -394,11 +394,10 @@ static void __init parse_setup_data(void) } } -static void __init reserve_setup_data(void) +static void __init e820_reserve_setup_data(void) { struct setup_data *data; u64 pa_data; - char buf[32]; int found = 0; if (boot_params.hdr.version < 0x0209) @@ -406,8 +405,6 @@ static void __init reserve_setup_data(void) 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); found = 1; @@ -418,10 +415,29 @@ static void __init reserve_setup_data(void) return; sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map); + memcpy(&e820_saved, &e820, sizeof(struct e820map)); printk(KERN_INFO "extended physical RAM map:\n"); e820_print_map("reserve setup_data"); } +static void __init reserve_early_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); + pa_data = data->next; + early_iounmap(data, sizeof(*data)); + } +} + /* * --------- Crashkernel reservation ------------------------------ */ @@ -626,6 +642,8 @@ void __init setup_arch(char **cmdline_p) setup_memory_map(); parse_setup_data(); + /* update the e820_saved too */ + e820_reserve_setup_data(); copy_edd(); @@ -656,7 +674,7 @@ void __init setup_arch(char **cmdline_p) parse_early_param(); /* after early param, so could get panic from serial */ - reserve_setup_data(); + reserve_early_setup_data(); if (acpi_mps_check()) { #ifdef CONFIG_X86_LOCAL_APIC |