Hi Keith,
On Mon, Dec 21, 2015 at 10:44:54AM -0700, Keith Busch wrote:
> Now on version 7, mostly cosmetic.
>
> v6->v7:
>
> Removed PCI resource window patch rejecting child bus that doesn't fit in
> parent's window. There are additional caveats the maintainer brought up
> that need more consideration. Since we are not dependent on that patch,
> it is removed from the series.
>
> Dropped the pciutils patch since it is an external projet not part
> of this series anyway. Will send tooling updates to the appropriate
> mailing list once this settles.
>
> Modified commit log messages to align with maintainer's requested format.
>
> Using u32's for domains instead of ints.
>
> Fixed code comment on posted/non-posted clarification.
>
> Added a dmesg info message to show which domain a VMD end point bound to.
>
> Fixed the vmd domain's root bus parent device so power management has
> the correct dependency tree.
>
> Keith Busch (5):
> PCI/MSI: Export msi functions for module use
> x86/IRQ: Export IRQ domain function for module use
> x86/PCI: Allow PCI domain specific dma ops
> x86/PCI: Initial commit for new VMD device driver
> PCI/AER: Use 32 bit int type domains
>
> Liu Jiang (1):
> msi: Relax msi_domain_alloc() to support parentless MSI irqdomains
>
> arch/x86/Kconfig | 13 +
> arch/x86/include/asm/device.h | 10 +
> arch/x86/include/asm/hw_irq.h | 5 +
> arch/x86/pci/Makefile | 2 +
> arch/x86/pci/common.c | 38 +++
> arch/x86/pci/vmd.c | 698 ++++++++++++++++++++++++++++++++++++++
> drivers/pci/msi.c | 2 +
> drivers/pci/pcie/aer/aer_inject.c | 16 +-
> kernel/irq/irqdomain.c | 1 +
> kernel/irq/msi.c | 8 +-
> 10 files changed, 782 insertions(+), 11 deletions(-)
> create mode 100644 arch/x86/pci/vmd.c
Checkpatch complained about a few things that should be easy to fix up:
x86-pci-allow-pci-domain
-:26: WARNING: struct dma_map_ops should normally be const
x86-pci-initial-commit-for-new
-:125: WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
-:168: WARNING: please, no space before tabs
-:187: WARNING: please, no space before tabs
-:212: WARNING: struct dma_map_ops should normally be const
-:269: WARNING: line over 80 characters
-:384: WARNING: Missing a blank line after declarations
-:391: WARNING: Missing a blank line after declarations
This is from:
+ struct device *vdev = dev_to_vmd_dev(dev);
+ return vdev->archdata.dma_ops->alloc(vdev, size, addr, flag, attrs);
There are a lot of these, and I'm not going to be obsessive about all
these two-line functions. But maybe a macro or helper function could
turn them all into one-line functions and side-step it, e.g.,:
static struct dma_ops *vmd_dma_ops(struct device *dev)
{
return &dev_to_vmd_dev(dev)->archdata.dma_ops;
}
static void *vmd_alloc(...)
{
return vmd_dma_ops(dev)->alloc(...);
}
-:398: WARNING: Missing a blank line after declarations
-:406: WARNING: Missing a blank line after declarations
-:415: WARNING: Missing a blank line after declarations
-:425: WARNING: Missing a blank line after declarations
-:434: WARNING: Missing a blank line after declarations
-:442: WARNING: Missing a blank line after declarations
-:450: WARNING: Missing a blank line after declarations
-:457: WARNING: Missing a blank line after declarations
-:464: WARNING: Missing a blank line after declarations
-:471: WARNING: Missing a blank line after declarations
-:478: WARNING: Missing a blank line after declarations
-:484: WARNING: Missing a blank line after declarations
-:490: WARNING: Missing a blank line after declarations
-:497: WARNING: Missing a blank line after declarations
-:509: ERROR: Macros with multiple statements should be enclosed in a do - while loop
-:509: WARNING: macros should not use a trailing semicolon
-:510: ERROR: trailing statements should be on next line
We should definitely fix this one.
-:514: WARNING: struct dma_map_ops should normally be const
-:515: WARNING: struct dma_map_ops should normally be const
-:654: WARNING: line over 80 characters
-:656: WARNING: line over 80 characters
-:662: WARNING: line over 80 characters
-:664: WARNING: line over 80 characters
-:692: WARNING: line over 80 characters
These could be easily fixed with a "struct resource *res", which would
make the code more readable as well.
-:747: ERROR: space required before the open parenthesis '('
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