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SubjectRe: [PATCH] perf/x86/intel: Apply early ACK for small core
On Thu, Jul 08, 2021 at 12:54:33PM -0700, kan.liang@linux.intel.com wrote:
> @@ -2921,7 +2920,7 @@ static int intel_pmu_handle_irq(struct pt_regs *regs)
> * No known reason to not always do late ACK,
> * but just in case do it opt-in.
> */

^^^ comment is now seriously out of date. Can you please update it?

> - if (!x86_pmu.late_ack)
> + if (!late_ack)
> apic_write(APIC_LVTPC, APIC_DM_NMI);

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