Re: [PATCH 0/5] x86, MSI, AHCI: Support multiple MSIs

[PATCH 0/5] x86, MSI, AHCI: Support multiple MSIs · Alexander Gordeev <hidden> · 2012-08-16
[PATCH 1/5] x86, MSI: Support multiple MSIs in presense of IRQ remapping · Alexander Gordeev <hidden> · 2012-08-16
[PATCH 2/5] x86, MSI: Allocate as many multiple IRQs as requested · Alexander Gordeev <hidden> · 2012-08-16
[PATCH 3/5] x86, MSI: Minor readability fixes · Alexander Gordeev <hidden> · 2012-08-16
[PATCH 4/5] PCI, MSI: Enable multiple MSIs with pci_enable_msi_block_auto() · Alexander Gordeev <hidden> · 2012-08-16
Re: [PATCH 4/5] PCI, MSI: Enable multiple MSIs with pci_enable_msi_block_auto() · Bjorn Helgaas <bhelgaas@google.com> · 2012-08-16
Re: [PATCH 4/5] PCI, MSI: Enable multiple MSIs with pci_enable_msi_block_auto() · Alexander Gordeev <hidden> · 2012-08-17
Re: [PATCH 4/5] PCI, MSI: Enable multiple MSIs with pci_enable_msi_block_auto() · Bjorn Helgaas <bhelgaas@google.com> · 2012-08-17
[PATCH 5/5] AHCI: Support multiple MSIs · Alexander Gordeev <hidden> · 2012-08-16
Re: [PATCH 0/5] x86, MSI, AHCI: Support multiple MSIs · Jeff Garzik <hidden> · 2012-08-16
Re: [PATCH 0/5] x86, MSI, AHCI: Support multiple MSIs · Alexander Gordeev <hidden> · 2012-08-17

From: Alexander Gordeev <hidden>
Date: 2012-08-17 08:30:35
Also in: linux-ide, lkml

On Thu, Aug 16, 2012 at 12:19:43PM -0400, Jeff Garzik wrote:

1) AHCI takes a host-wide lock during interrupt processing, which
quite reduces the value of "interrupts generated by different
ports could be serviced on different CPUs"

2) We do not put AHCI-specific code in libata-core.  Try libahci.c
or ahci.c.

Will fix that and post along with numbers.

-- 
Regards,
Alexander Gordeev
agordeev@redhat.com

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