Messages in this thread | | | Date | Tue, 3 Sep 2013 09:55:41 -0400 | From | Tejun Heo <> | Subject | Re: [PATCH 0/4] AHCI: Conserve interrupts with pci_enable_msi_block_part() interface |
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Hello,
On Mon, Sep 02, 2013 at 10:59:07AM +0200, Alexander Gordeev wrote: > This series is aimed to conserve on othewise wasted interrupt > resources for 10 of 16 unused MSI vectors for AHCI devices on > Intel chipsets.
Hmmm.... I've been looking at the code and and a curiosity. Why does multiple MSI support implicitly enabled threaded IRQ handling? Why are those two linked? Also, do you have any numbers to show that this actually is better? Handling the processing off to a thread isn't a light operation.
Thanks.
-- tejun
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