On 8/19/20 11:28 AM, Robert Foley wrote: > The rename of all *_do_interrupt functions to *_do_interrupt_locked > is preparation for pushing the BQL lock around these functions > down into the per-arch implementation of *_do_interrupt. > In a later patch which pushes down the lock, we will add > a new *_do_interrupt function which grabs the BQL and calls to > *_do_interrupt_locked. > > This is the first patch in a series of transitions to move the > BQL down into the do_interrupt per arch function. This set of > transitions is needed to maintain bisectability. > > The purpose of this set of changes is to set the groundwork > so that an arch could move towards removing > the BQL from the cpu_handle_interrupt/exception paths. > > This approach was suggested by Paolo Bonzini. > For reference, here are key posts in the discussion, explaining > the reasoning/benefits of this approach. > > https://lists.gnu.org/archive/html/qemu-devel/2020-08/msg00784.html > https://lists.gnu.org/archive/html/qemu-devel/2020-08/msg01517.html > https://lists.gnu.org/archive/html/qemu-devel/2020-07/msg08731.html > https://lists.gnu.org/archive/html/qemu-devel/2020-08/msg00044.html > > Signed-off-by: Robert Foley <robert.foley@xxxxxxxxxx> > --- Reviewed-by: Richard Henderson <richard.henderson@xxxxxxxxxx> r~
