Re: [PATCH 0/4] AHCI: Conserve interrupts withpci_enable_msi_block_part() interface

From: Tejun Heo
Date: Tue Sep 03 2013 - 12:26:20 EST


Hello,

On Tue, Sep 03, 2013 at 04:57:19PM +0200, Alexander Gordeev wrote:
> Multiple MSI support enables threaded IRQ handling, because at the time of
> posting I did not want to intrude into the existing single-MSI codebase while
> multiple MSI/multipe CPU approach gained good numbers (below).

Please separate out threaded IRQ support from multiple MSI.

> Besides, the ports interrupt handling moved from the interrupt-disabled
> hardware context to the interrupt-enabled threaded context and also ports
> got per-port locks instead of the single host lock. AFAIR I did not post
> the numbers, but it was something close to no-contention.

Which is a completely separate issue, right? Let's please not mix the
two.

Thanks.

--
tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/