Re: [PATCH v2 1/3] x86, boot: add mmio serial during compressed boot
From: "H. Peter Anvin" <hpa@zytor.com>
Date: 2013-07-16 22:05:17
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On 07/16/2013 02:03 PM, Yinghai Lu wrote:
Other way could be: Detect if it get into misc.c directly from arch/x86/boot/compressed/head_64.S::startup_64. that is from 64bit bootloader. others go through startup_32 should be 32bit bootloader. If it with 64bit boot loader path, You can skip parsing mmio in misc.c::console_init() calling.
Don't hack around it when we can do it right. -hpa