* Avi Kivity <a...@redhat.com> wrote: > The interrupt stack table (IST) mechanism is the only thing preventing > kvm from deferring saving and reloading of some significant state. It > is also somewhat complicated. > > Remove it by switching the special exceptions to use the normal irqstack. > > Avi Kivity (3): > x86: drop the use of the tss interrupt stack table (IST) > x86: Remove pda.irqcount > x86: Switch critical exceptions and NMI to irqstack > > arch/x86/include/asm/desc.h | 12 ----- > arch/x86/include/asm/page_64.h | 7 --- > arch/x86/include/asm/pda.h | 2 +- > arch/x86/include/asm/processor.h | 11 ---- > arch/x86/kernel/asm-offsets_64.c | 1 - > arch/x86/kernel/cpu/common.c | 35 -------------- > arch/x86/kernel/dumpstack_64.c | 96 > -------------------------------------- > arch/x86/kernel/entry_64.S | 49 ++++++++----------- > arch/x86/kernel/traps.c | 12 ++-- > 9 files changed, 27 insertions(+), 198 deletions(-)
looks good. Please base your work on the tip/master tree, we have a ton of pending (and conflicting) changes in the lowlevel assembly area: http://people.redhat.com/mingo/tip.git/README Ingo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
