[PATCH v4 -tip 0/3] x86, MSI, AHCI: Support multiple MSIs

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Hello,

Compared to v3:

	Based on Ingo's review:

	I have not noticed that v3 2/5 patch "x86, MSI: Allocate as many
	multiple IRQs as requested" is redundant, since the AHCI code
	tries to allocate maximum possible number of MSIs. As there are
	no other users of this functionality, I removed the patch for now;

	v3 patch 3/5 "x86, MSI: Minor readability fixes" merged into
  	v4 patch 1/3 "x86, MSI: Support multiple MSIs in presense of IRQ
	remapping";

	1,3/3:	multi-line comments fixed;
		loops 'for (; i; i--)' changed to 'for (i--; i >= 0; i--)';

	3/3:	ahci_host_activate() failure path tested;
		ahci_port_priv::lock field commented;


Alexander Gordeev (3):
  1/3 x86, MSI: Support multiple MSIs in presense of IRQ remapping
  2/3 PCI, MSI: Enable multiple MSIs with pci_enable_msi_block_auto()
  3/3 AHCI: Support multiple MSIs

 Documentation/PCI/MSI-HOWTO.txt |   37 ++++++++-
 arch/x86/kernel/apic/io_apic.c  |  165 +++++++++++++++++++++++++++++++--------
 drivers/ata/ahci.c              |   93 +++++++++++++++++++++-
 drivers/ata/ahci.h              |    6 ++
 drivers/ata/libahci.c           |  118 ++++++++++++++++++++++++++--
 drivers/pci/msi.c               |   26 ++++++
 include/linux/irq.h             |    5 +
 include/linux/pci.h             |    7 ++
 kernel/irq/chip.c               |   30 +++++--
 9 files changed, 432 insertions(+), 55 deletions(-)

-- 
1.7.7.6


-- 
Regards,
Alexander Gordeev
agordeev@xxxxxxxxxx
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