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Message-ID: <20190930195855.GA191519@google.com>
Date: Mon, 30 Sep 2019 14:58:55 -0500
From: Bjorn Helgaas <helgaas@...nel.org>
To: Denis Efremov <efremov@...ux.com>
Cc: linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
linux-hyperv@...r.kernel.org, x86@...nel.org,
linux-s390@...r.kernel.org, linux-alpha@...r.kernel.org,
linux-ia64@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
netdev@...r.kernel.org, linux-fbdev@...r.kernel.org,
kvm@...r.kernel.org, linux-scsi@...r.kernel.org,
linux-ide@...r.kernel.org, linux-usb@...r.kernel.org,
devel@...verdev.osuosl.org, linux-serial@...r.kernel.org,
linux-mmc@...r.kernel.org
Subject: Re: [PATCH RESEND v3 00/26] Add definition for the number of
standard PCI BARs
On Sat, Sep 28, 2019 at 02:40:26AM +0300, Denis Efremov wrote:
> Code that iterates over all standard PCI BARs typically uses
> PCI_STD_RESOURCE_END, but this is error-prone because it requires
> "i <= PCI_STD_RESOURCE_END" rather than something like
> "i < PCI_STD_NUM_BARS". We could add such a definition and use it the same
> way PCI_SRIOV_NUM_BARS is used. The patchset also replaces constant (6)
> with new define PCI_STD_NUM_BARS where appropriate and removes local
> declarations for the number of PCI BARs.
>
> Changes in v3:
> - Updated commits description.
> - Refactored "< PCI_ROM_RESOURCE" with "< PCI_STD_NUM_BARS" in loops.
> - Refactored "<= BAR_5" with "< PCI_STD_NUM_BARS" in loops.
> - Removed local define GASKET_NUM_BARS.
> - Removed local define PCI_NUM_BAR_RESOURCES.
>
> Changes in v2:
> - Reversed checks in pci_iomap_range,pci_iomap_wc_range.
> - Refactored loops in vfio_pci to keep PCI_STD_RESOURCES.
> - Added 2 new patches to replace the magic constant with new define.
> - Splitted net patch in v1 to separate stmmac and dwc-xlgmac patches.
>
> Denis Efremov (26):
> PCI: Add define for the number of standard PCI BARs
> PCI: hv: Use PCI_STD_NUM_BARS
> PCI: dwc: Use PCI_STD_NUM_BARS
> PCI: endpoint: Use PCI_STD_NUM_BARS
> misc: pci_endpoint_test: Use PCI_STD_NUM_BARS
> s390/pci: Use PCI_STD_NUM_BARS
> x86/PCI: Loop using PCI_STD_NUM_BARS
> alpha/PCI: Use PCI_STD_NUM_BARS
> ia64: Use PCI_STD_NUM_BARS
> stmmac: pci: Loop using PCI_STD_NUM_BARS
> net: dwc-xlgmac: Loop using PCI_STD_NUM_BARS
> ixgb: use PCI_STD_NUM_BARS
> e1000: Use PCI_STD_NUM_BARS
> rapidio/tsi721: Loop using PCI_STD_NUM_BARS
> efifb: Loop using PCI_STD_NUM_BARS
> fbmem: use PCI_STD_NUM_BARS
> vfio_pci: Loop using PCI_STD_NUM_BARS
> scsi: pm80xx: Use PCI_STD_NUM_BARS
> ata: sata_nv: Use PCI_STD_NUM_BARS
> staging: gasket: Use PCI_STD_NUM_BARS
> serial: 8250_pci: Use PCI_STD_NUM_BARS
> pata_atp867x: Use PCI_STD_NUM_BARS
> memstick: use PCI_STD_NUM_BARS
> USB: core: Use PCI_STD_NUM_BARS
> usb: pci-quirks: Use PCI_STD_NUM_BARS
> devres: use PCI_STD_NUM_BARS
>
> arch/alpha/kernel/pci-sysfs.c | 8 ++---
> arch/ia64/sn/pci/pcibr/pcibr_dma.c | 4 +--
> arch/s390/include/asm/pci.h | 5 +--
> arch/s390/include/asm/pci_clp.h | 6 ++--
> arch/s390/pci/pci.c | 16 +++++-----
> arch/s390/pci/pci_clp.c | 6 ++--
> arch/x86/pci/common.c | 2 +-
> arch/x86/pci/intel_mid_pci.c | 2 +-
> drivers/ata/pata_atp867x.c | 2 +-
> drivers/ata/sata_nv.c | 2 +-
> drivers/memstick/host/jmb38x_ms.c | 2 +-
> drivers/misc/pci_endpoint_test.c | 8 ++---
> drivers/net/ethernet/intel/e1000/e1000.h | 1 -
> drivers/net/ethernet/intel/e1000/e1000_main.c | 2 +-
> drivers/net/ethernet/intel/ixgb/ixgb.h | 1 -
> drivers/net/ethernet/intel/ixgb/ixgb_main.c | 2 +-
> .../net/ethernet/stmicro/stmmac/stmmac_pci.c | 4 +--
> .../net/ethernet/synopsys/dwc-xlgmac-pci.c | 2 +-
> drivers/pci/controller/dwc/pci-dra7xx.c | 2 +-
> .../pci/controller/dwc/pci-layerscape-ep.c | 2 +-
> drivers/pci/controller/dwc/pcie-artpec6.c | 2 +-
> .../pci/controller/dwc/pcie-designware-plat.c | 2 +-
> drivers/pci/controller/dwc/pcie-designware.h | 2 +-
> drivers/pci/controller/pci-hyperv.c | 10 +++---
> drivers/pci/endpoint/functions/pci-epf-test.c | 10 +++---
> drivers/pci/pci-sysfs.c | 4 +--
> drivers/pci/pci.c | 13 ++++----
> drivers/pci/proc.c | 4 +--
> drivers/pci/quirks.c | 4 +--
> drivers/rapidio/devices/tsi721.c | 2 +-
> drivers/scsi/pm8001/pm8001_hwi.c | 2 +-
> drivers/scsi/pm8001/pm8001_init.c | 2 +-
> drivers/staging/gasket/gasket_constants.h | 3 --
> drivers/staging/gasket/gasket_core.c | 12 +++----
> drivers/staging/gasket/gasket_core.h | 4 +--
> drivers/tty/serial/8250/8250_pci.c | 8 ++---
> drivers/usb/core/hcd-pci.c | 2 +-
> drivers/usb/host/pci-quirks.c | 2 +-
> drivers/vfio/pci/vfio_pci.c | 11 ++++---
> drivers/vfio/pci/vfio_pci_config.c | 32 ++++++++++---------
> drivers/vfio/pci/vfio_pci_private.h | 4 +--
> drivers/video/fbdev/core/fbmem.c | 4 +--
> drivers/video/fbdev/efifb.c | 2 +-
> include/linux/pci-epc.h | 2 +-
> include/linux/pci.h | 2 +-
> include/uapi/linux/pci_regs.h | 1 +
> lib/devres.c | 2 +-
> 47 files changed, 112 insertions(+), 115 deletions(-)
Applied to pci/resource for v5.5, thanks!
I ended up squashing these all together because they're all related
and tiny.
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