Re: [PATCH 0/6] irqchip/mips-gic: Enable & use VEIC mode if available
From: Marc Zyngier
Date: Wed Mar 14 2018 - 07:15:58 EST
Hi Matt,
On 05/01/18 10:31, Matt Redfearn wrote:
>
> This series enables the MIPS GIC driver to make use of the EIC mode
> supported in some MIPS cores. In this mode, the cores 6 interrupt lines
> are switched to represent a vector number, 0..63. Currently all GIC
> interrupts are routed to a single CPU interrupt pin, but this is
> inefficient since we end up checking both local and shared interrupt
> flag registers for both local and shared interrupts. This introduces
> additional latency into the interrupt paths. With EIC mode this can be
> improved by using separate vectors for local and shared interrupts.
>
> This series is based on 4.15-rc6 and has been tested on Boston, Malta &
> SEAD3 MIPS platforms implementing a GIC with and without EIC mode
> supported in hardware.
What the status of this series?
Thanks,
M.
--
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