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x86: do not printout if we do not find setup_data 

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
hifive-unleashed-5.1
Yinghai Lu 2008-07-01 20:04:10 -07:00 committed by Ingo Molnar
parent 4fcc545a74
commit d9a81b4411
1 changed files with 5 additions and 0 deletions
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5
arch/x86/kernel/setup.c
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@ -399,6 +399,7 @@ static void __init reserve_setup_data(void)
struct setup_data *data;
u64 pa_data;
char buf[32];
int found = 0;
if (boot_params.hdr.version < 0x0209)
return;
@ -409,9 +410,13 @@ static void __init reserve_setup_data(void)
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;
pa_data = data->next;
early_iounmap(data, sizeof(*data));
}
if (!found)
return;
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");