From: konrad.wilk@oracle.com (Konrad Rzeszutek Wilk)
To: linux-arm-kernel@lists.infradead.org
Subject: [Xen-devel] [PATCH v1 08/21] x86/xen/MSI: Use MSI chip framework to configure MSI/MSI-X irq
Date: Wed, 10 Sep 2014 10:59:57 -0400 [thread overview]
Message-ID: <20140910145957.GD12893@laptop.dumpdata.com> (raw)
In-Reply-To: <54104641.7020007@citrix.com>
On Wed, Sep 10, 2014 at 01:38:25PM +0100, David Vrabel wrote:
> On 09/09/14 03:06, Yijing Wang wrote:
> > On 2014/9/5 22:29, David Vrabel wrote:
> >> On 05/09/14 11:09, Yijing Wang wrote:
> >>> Use MSI chip framework instead of arch MSI functions to configure
> >>> MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.
> >> [...]
> >>> --- a/arch/x86/pci/xen.c
> >>> +++ b/arch/x86/pci/xen.c
> >> [...]
> >>> @@ -418,9 +430,9 @@ int __init pci_xen_init(void)
> >>> #endif
> >>>
> >>> #ifdef CONFIG_PCI_MSI
> >>> - x86_msi.setup_msi_irqs = xen_setup_msi_irqs;
> >>> - x86_msi.teardown_msi_irq = xen_teardown_msi_irq;
> >>> - x86_msi.teardown_msi_irqs = xen_teardown_msi_irqs;
> >>> + xen_msi_chip.setup_irqs = xen_setup_msi_irqs;
> >>> + xen_msi_chip.teardown_irqs = xen_teardown_msi_irqs;
> >>> + x86_msi_chip = &xen_msi_chip;
> >>> msi_chip.irq_mask = xen_nop_msi_mask;
> >>> msi_chip.irq_unmask = xen_nop_msi_mask;
> >>
> >> Why have these not been changed to set the x86_msi_chip.mask/unmask
> >> fields instead?
> >
> > Hi David, x86_msi_chip here is struct msi_chip data type, used to configure MSI/MSI-X
> > irq. msi_chip above is struct irq_chip data type, represent the MSI irq controller. They are
> > not the same object. Their name easily confusing people.
>
> Ok, it all makes sense now.
>
> Acked-by: David Vrabel <david.vrabel@citrix.com>
You can also add 'Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>'
on the whole series - I ran it through on Xen and on baremetal with a mix of 32/64 builds.
Oh, and also Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> the Xen parts.
>
> David
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel at lists.xen.org
> http://lists.xen.org/xen-devel
next prev parent reply other threads:[~2014-09-10 14:59 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-05 10:09 [PATCH v1 00/21] Use MSI chip to configure MSI/MSI-X in all platforms Yijing Wang
2014-09-05 10:09 ` [PATCH v1 01/21] PCI/MSI: Clean up struct msi_chip argument Yijing Wang
2014-09-05 10:09 ` [PATCH v1 02/21] PCI/MSI: Remove useless bus->msi assignment Yijing Wang
2014-09-05 10:09 ` [PATCH v1 03/21] MSI: Remove the redundant irq_set_chip_data() Yijing Wang
2014-09-15 14:00 ` Lucas Stach
2014-09-16 1:30 ` Yijing Wang
2014-09-16 10:29 ` Lucas Stach
2014-09-16 10:37 ` Yijing Wang
2014-09-05 10:09 ` [PATCH v1 04/21] x86/xen/MSI: Eliminate arch_msix_mask_irq() and arch_msi_mask_irq() Yijing Wang
2014-09-10 12:36 ` [Xen-devel] " David Vrabel
2014-09-11 1:22 ` Yijing Wang
2014-09-11 13:08 ` David Vrabel
2014-09-05 10:09 ` [PATCH v1 05/21] PCI/MSI: Introduce weak arch_find_msi_chip() to find MSI chip Yijing Wang
2014-09-15 14:42 ` Lucas Stach
2014-09-16 2:08 ` Yijing Wang
2014-09-05 10:09 ` [PATCH v1 06/21] PCI/MSI: Refactor struct msi_chip to make it become more common Yijing Wang
2014-09-15 14:44 ` Lucas Stach
2014-09-16 2:09 ` Yijing Wang
2014-09-05 10:09 ` [PATCH v1 07/21] x86/MSI: Use MSI chip framework to configure MSI/MSI-X irq Yijing Wang
2014-09-05 10:09 ` [PATCH v1 08/21] x86/xen/MSI: " Yijing Wang
2014-09-05 14:29 ` [Xen-devel] " David Vrabel
2014-09-09 2:06 ` Yijing Wang
2014-09-10 12:38 ` David Vrabel
2014-09-10 14:59 ` Konrad Rzeszutek Wilk [this message]
2014-09-11 1:28 ` Yijing Wang
2014-09-11 1:27 ` Yijing Wang
2014-09-05 10:09 ` [PATCH v1 09/21] Irq_remapping/MSI: " Yijing Wang
2014-09-05 10:42 ` Sergei Shtylyov
2014-09-05 11:30 ` wangyijing
2014-09-05 10:09 ` [PATCH v1 10/21] x86/MSI: Remove unused MSI weak arch functions Yijing Wang
2014-09-05 10:09 ` [PATCH v1 11/21] MIPS/Octeon/MSI: Use MSI chip framework to configure MSI/MSI-X irq Yijing Wang
2014-09-05 10:09 ` [PATCH v1 12/21] MIPS/Xlp: Remove the dead function destroy_irq() to fix build error Yijing Wang
2014-09-05 10:09 ` [PATCH v1 13/21] MIPS/Xlp/MSI: Use MSI chip framework to configure MSI/MSI-X irq Yijing Wang
2014-09-05 10:09 ` [PATCH v1 14/21] MIPS/Xlr/MSI: " Yijing Wang
2014-09-05 10:10 ` [PATCH v1 15/21] Powerpc/MSI: " Yijing Wang
2014-09-05 10:47 ` Sergei Shtylyov
2014-09-05 11:33 ` wangyijing
2014-09-05 11:41 ` Sergei Shtylyov
2014-09-16 5:28 ` Michael Ellerman
2014-09-16 5:40 ` Yijing Wang
2014-09-05 10:10 ` [PATCH v1 16/21] s390/MSI: " Yijing Wang
2014-09-16 11:35 ` Sebastian Ott
2014-09-17 1:24 ` Yijing Wang
2014-09-05 10:10 ` [PATCH v1 17/21] arm/iop13xx/MSI: " Yijing Wang
2014-09-05 10:10 ` [PATCH v1 18/21] IA64/MSI: " Yijing Wang
2014-09-05 10:10 ` [PATCH v1 19/21] Sparc/MSI: " Yijing Wang
2014-09-05 10:10 ` [PATCH v1 20/21] tile/MSI: " Yijing Wang
2014-09-05 10:10 ` [PATCH v1 21/21] PCI/MSI: Clean up unused MSI arch functions Yijing Wang
2014-09-15 14:47 ` Lucas Stach
2014-09-16 2:09 ` Yijing Wang
2014-09-23 21:09 ` [PATCH v1 00/21] Use MSI chip to configure MSI/MSI-X in all platforms Bjorn Helgaas
2014-09-24 3:52 ` Yijing Wang
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