On Thu, Jan 04, 2018 at 13:36:30 +0000, Maxime Villard wrote: > Module Name: src > Committed By: maxv > Date: Thu Jan 4 13:36:30 UTC 2018 > > Modified Files: > src/sys/arch/amd64/amd64: genassym.cf locore.S machdep.c > src/sys/arch/i386/i386: genassym.cf locore.S machdep.c > src/sys/arch/x86/include: cpu.h > src/sys/arch/x86/x86: intr.c pmap.c sys_machdep.c > > Log Message: > Allocate the TSS area dynamically. This way cpu_info and cpu_tss can be > put in separate pages.
Splitting tss and cpu info speeds up NetBSD under virtualbox without VT-x quite a bit as vbox traps all TSS accesses and so all the same-page cpu_info accesses are also trapped, slowing things down. I wonder if this will also help e.g. netbsd under qemu and so anita runs. -uwe
