lkml.org 
[lkml]   [2015]   [Apr]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH] perf/x86/intel/uncore: add support for Haswell ULT IMC uncore
On Mon, Apr 20, 2015 at 1:42 PM, Sonny Rao <sonnyrao@chromium.org> wrote:
> This uncore is the same as the Haswell desktop part but uses a
> different PCI ID.
>
> Signed-off-by: Sonny Rao <sonnyrao@chromium.org>
> ---
> arch/x86/kernel/cpu/perf_event_intel_uncore_snb.c | 5 +++++
> include/linux/pci_ids.h | 1 +
> 2 files changed, 6 insertions(+)
>
> diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore_snb.c b/arch/x86/kernel/cpu/perf_event_intel_uncore_snb.c
> index 3001015..0bda6fc 100644
> --- a/arch/x86/kernel/cpu/perf_event_intel_uncore_snb.c
> +++ b/arch/x86/kernel/cpu/perf_event_intel_uncore_snb.c
> @@ -472,6 +472,10 @@ static const struct pci_device_id hsw_uncore_pci_ids[] = {
> PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HSW_IMC),
> .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0),
> },
> + { /* IMC */
> + PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HSW_U_IMC),
> + .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0),
> + },
> { /* end: all zeroes */ },
> };
>
> @@ -502,6 +506,7 @@ static const struct imc_uncore_pci_dev desktop_imc_pci_ids[] = {
> IMC_DEV(IVB_IMC, &ivb_uncore_pci_driver), /* 3rd Gen Core processor */
> IMC_DEV(IVB_E3_IMC, &ivb_uncore_pci_driver), /* Xeon E3-1200 v2/3rd Gen Core processor */
> IMC_DEV(HSW_IMC, &hsw_uncore_pci_driver), /* 4th Gen Core Processor */
> + IMC_DEV(HSW_U_IMC, &hsw_uncore_pci_driver), /* 4th Gen Core ULT Mobile Processor */
> { /* end marker */ }
> };
>
> diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
> index 38cff8f..e5ae042 100644
> --- a/include/linux/pci_ids.h
> +++ b/include/linux/pci_ids.h
> @@ -2545,6 +2545,7 @@
> #define PCI_DEVICE_ID_INTEL_IVB_IMC 0x0154
> #define PCI_DEVICE_ID_INTEL_IVB_E3_IMC 0x0150
> #define PCI_DEVICE_ID_INTEL_HSW_IMC 0x0c00
> +#define PCI_DEVICE_ID_INTEL_HSW_U_IMC 0x0a04

Please either use the 0x0a04 constant directly in
perf_event_intel_uncore_snb.c, or explain why the #define should be
here, e.g., maybe it will be used in multiple places. See the comment
at the top of pci_ids.h.

> #define PCI_DEVICE_ID_INTEL_PXHD_0 0x0320
> #define PCI_DEVICE_ID_INTEL_PXHD_1 0x0321
> #define PCI_DEVICE_ID_INTEL_PXH_0 0x0329
> --
> 2.1.2
>


\
 
 \ /
  Last update: 2015-04-20 21:01    [W:0.043 / U:2.944 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site