On Sat, Jun 13, 2020 at 10:36:14PM +0100, Salil Mehta wrote: > PMU for all possible vcpus must be initialized at the virt machine > initialization time. This patch refactors existing code to accomodate possible > vcpus. This also assumes that all processor being used are identical at least > for now but does not affect the normal scanarios where they might not be in > future. This assumption only affects the future hotplug scenarios if ever > there > exists any hetergenous processors. In such a case PMU might not be enabled on > some vcpus. Is it acceptable and doable tradeoff for now? > > This perhaps needs more discussion. please check below link, > Link: https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg00131.html > > Co-developed-by: Keqian Zhu <zhukeqi...@huawei.com> > Signed-off-by: Salil Mehta <salil.me...@huawei.com> > --- > hw/arm/virt.c | 51 ++++++++++++++++++++++++++++++------------- > include/hw/arm/virt.h | 1 + > 2 files changed, 37 insertions(+), 15 deletions(-) >
I have a similar patch to this one in my steal-time dev branch that I just started last week. I'm creating a new function that must be called after cpu realization and gic creation that completes cpu setup. There's a few things that will end up there (including steal-time stuff). Thanks, drew
