On Fri, 21 Aug 2020 at 06:56, Cornelia Huck wrote:
> >
> > As the first step in removing the BQL from this path, we will make
> > changes to the core/common functions of cpu_handle_interrupt/exception
> > to drop the holding of the BQL. The holding of the BQL is pushed down
> > to the per-arch imp
On Wed, 19 Aug 2020 14:28:49 -0400
Robert Foley wrote:
> The purpose of this change is to set the groundwork
> so that an arch could move towards removing
> the BQL from the cpu_handle_interrupt/exception paths.
>
> The BQL is a bottleneck in scaling to more cores.
> And this cpu_handle_interrup
The purpose of this change is to set the groundwork
so that an arch could move towards removing
the BQL from the cpu_handle_interrupt/exception paths.
The BQL is a bottleneck in scaling to more cores.
And this cpu_handle_interrupt/exception path is one of
the key BQL users as measured by the QEMU
