Re: [PATCH v4 1/3] RISC-V: Do not invoke SBI call if cpumask is empty
On Thu, Aug 22, 2019 at 12:51:49AM -0700, Atish Patra wrote: > SBI calls are expensive. If cpumask is empty, there is no need to > trap via SBI as no remote tlb flushing is required. > > Signed-off-by: Atish Patra <atish.patra@wdc.com>