Jeremy Fitzhardinge wrote:
1:
+ movl boot_params - __PAGE_OFFSET + SETUP_DATA_POINTER,%ebp
You need to check the boot protocol version before looking at this pointer.
No, he doesn't. The boot protocol version is communication between the
boot loader and the kernel (specifically, it is communication FROM the
kernel TO the bootloader), not between internal bits of the kernel. Th
Since the pointer is safely inside the setup template, even if the
bootloader doesn't understand boot protocol version 2.08 it will have
copied it.
So this is fine.
-hpa
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