[lkml]   [2012]   [Dec]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v6 19/27] x86, boot: update comments about entries for 64bit image
On 12/13/2012 02:02 PM, Yinghai Lu wrote:
> + * If we come here from a bootloader, kernel(text+data+bss+brk),
> + * ramdisk, zero_page, command line could be above 4G.
> + * We depend on an identity mapped page table being provided
> + * that maps our entire kernel(text+data+bss+brk), and hopefully
> + * all of memory.

We should make it explicit what we depend on. We certainly *can* depend
only on text+data+bss+brk ... with the dynamic page table approach we
can do that, and that would be most conservative; if we depend on other
things we should make that explicit, not just here but in boot.txt.


 \ /
  Last update: 2012-12-14 01:01    [W:0.130 / U:2.828 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site