On 08/02/2013 09:19 AM, Toshi Kani wrote:
......
+phys_addr_t __init early_acpi_override_srat(void)
+{
+ int i;
+ u32 length;
+ long offset;
+ void *ramdisk_vaddr;
+ struct acpi_table_header *table;
+ struct cpio_data file;
+ unsigned long map_step = NR_FIX_BTMAPS<< PAGE_SHIFT;
+ phys_addr_t ramdisk_image = get_ramdisk_image();
+ char cpio_path[32] = "kernel/firmware/acpi/";
Don't you need to check if ramdisk is present before parsing the table?
You may need something like:
if (!ramdisk_image || !get_ramdisk_size())
return 0;
Yes, it is better to do such a check here. But is there a possibility that
no ramdisk is present and we come to setup_arch() ?
......
+
+ return ramdisk_image;
Doesn't this function return a physical address regardless of SRAT if a
ramdisk is present?
Yes, and it is not good. I'll add the check above so that this won't happen.
Thanks.
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