Benjamin Segall ce76392523 kvm: exit halt polling on need_resched() as well ... commit 262de4102c7bb8e59f26a967a8ffe8cce85cc537 upstream. single_task_running() is usually more general than need_resched() but CFS_BANDWIDTH throttling will use resched_task() when there is just one task to get the task to block. This was causing long-need_resched warnings and was likely allowing VMs to overrun their quota when halt polling. Signed-off-by: Ben Segall <bsegall@google.com> Signed-off-by: Venkatesh Srinivas <venkateshs@chromium.org> Message-Id: <20210429162233.116849-1-venkateshs@chromium.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Cc: stable@vger.kernel.org Reviewed-by: Jim Mattson <jmattson@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2021-05-19 10:13:12 +02:00
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