Greg 'groggy' Lehey wrote: > > Add to this that Bosko's workaround for the CPU bug with PSE/PGE > > includes loading the kernel at 4M rather than 1M. > > I'm not sure I understand you. i386's have a 32 bit address space, > and long ago we loaded at 0xf0000000 (3.75M). Then we dropped it to > 0xc0000000 (3M). 4M is the end of the address space. Are you talking > about something else?
The load is at physical 4M. It avoids the 4K/4M page switch, and has two side effects which make it work without DISABLE_PSE et al. -- Terry To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" in the body of the message
