On Thu, 16 Sep 2021 19:46:48 -0700 Jakub Kicinski wrote: > My Lenovo T490s with i7-8665U had been marking TSC as unstable > since v5.13, resulting in very sluggish desktop experience... Where do we stand? Waiting for tglx to refactor PC10 detection and use that, or just review delay? > +++ b/arch/x86/kernel/early-quirks.c > @@ -716,6 +716,8 @@ static struct chipset early_qrk[] __initdata = { > PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet}, > { PCI_VENDOR_ID_INTEL, 0x3e20, > PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet}, > + { PCI_VENDOR_ID_INTEL, 0x3e34, > + PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet}, > { PCI_VENDOR_ID_INTEL, 0x3ec4, > PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet}, > { PCI_VENDOR_ID_INTEL, 0x8a12,