Re: [PATCH] perf/x86/intel/uncore: Remove uncore extra PCI dev HSWEP_PCI_PCU_3

Tested-by: Steve Wahl On Thu, Apr 15, 2021 at 02:22:43PM -0700, kan.li...@linux.intel.com wrote: > From: Kan Liang > > There may be a kernel panic on the Haswell server and the Broadwell > server, if the snbep_pci2phy_map_init() return error. > > The uncore_extra_pci_dev[HSWEP_PCI_PCU_3] is us

[PATCH] perf/x86/intel/uncore: Remove uncore extra PCI dev HSWEP_PCI_PCU_3

From: Kan Liang There may be a kernel panic on the Haswell server and the Broadwell server, if the snbep_pci2phy_map_init() return error. The uncore_extra_pci_dev[HSWEP_PCI_PCU_3] is used in the cpu_init() to detect the existence of the SBOX, which is a MSR type of PMON unit. The uncore_extra_pc