On Thu Nov 10, 2022 at 10:41 AM AEST, Jordan Niethe wrote:
> On Thu, 2022-07-28 at 16:31 +1000, Nicholas Piggin wrote:
> [resend as utf-8, not utf-7]
> > Waiters spinning on the lock word should yield to the lock owner if the
> > vCPU is preempted. This improves performance when the hypervisor ha
On Thu, 2022-07-28 at 16:31 +1000, Nicholas Piggin wrote:
[resend as utf-8, not utf-7]
> Waiters spinning on the lock word should yield to the lock owner if the
> vCPU is preempted. This improves performance when the hypervisor has
> oversubscribed physical CPUs.
> ---
> arch/powerpc/lib/qspinlo
On Thu, 2022-07-28 at 16:31 +1000, Nicholas Piggin wrote:
> Waiters spinning on the lock word should yield to the lock owner if the
> vCPU is preempted. This improves performance when the hypervisor has
> oversubscribed physical CPUs.
> ---
> arch/powerpc/lib/qspinlock.c | 97
Waiters spinning on the lock word should yield to the lock owner if the
vCPU is preempted. This improves performance when the hypervisor has
oversubscribed physical CPUs.
---
arch/powerpc/lib/qspinlock.c | 97 ++--
1 file changed, 83 insertions(+), 14 deletions(-)