On Sat, May 25, 2013 at 06:44:15AM +0800, Amos Kong wrote: > We can easily reach the 1000 limit by start VM with a couple > hundred I/O devices (multifunction=on). The hardcode limit > already been adjusted 3 times (6 ~ 200 ~ 300 ~ 1000). > > In userspace, we already have maximum file descriptor to > limit ioeventfd count. But kvm_io_bus devices also are used > for pit, pic, ioapic, coalesced_mmio. They couldn't be limited > by maximum file descriptor. > > Currently only ioeventfds take too much kvm_io_bus devices, > so just exclude it from counting kvm_io_range limit. > > Also fixed one indent issue in kvm_host.h > > Signed-off-by: Amos Kong <[email protected]> > --- > include/linux/kvm_host.h | 3 ++- > virt/kvm/eventfd.c | 2 ++ > virt/kvm/kvm_main.c | 3 ++- > 3 files changed, 6 insertions(+), 2 deletions(-)
Reviewed-by: Stefan Hajnoczi <[email protected]> -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
