linux-kernel - Re: [PATCH v5 01/23] irqchip/gic-v3: Use SGIs without active state if offered

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Date:   Thu, 12 Mar 2020 17:23:43 +0000
From:   Marc Zyngier <maz@...nel.org>
To:     Auger Eric <eric.auger@...hat.com>
Cc:     linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Jason Cooper <jason@...edaemon.net>,
        Robert Richter <rrichter@...vell.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Zenghui Yu <yuzenghui@...wei.com>,
        James Morse <james.morse@....com>,
        Julien Thierry <julien.thierry.kdev@...il.com>,
        Suzuki K Poulose <suzuki.poulose@....com>
Subject: Re: [PATCH v5 01/23] irqchip/gic-v3: Use SGIs without active state if
 offered

Hi Eric,

On 2020-03-12 17:16, Auger Eric wrote:
> Hi Marc,

[...]

>> diff --git a/include/linux/irqchip/arm-gic-v3.h 
>> b/include/linux/irqchip/arm-gic-v3.h
>> index 83439bfb6c5b..c29a02678a6f 100644
>> --- a/include/linux/irqchip/arm-gic-v3.h
>> +++ b/include/linux/irqchip/arm-gic-v3.h
>> @@ -57,6 +57,7 @@
>>  #define GICD_SPENDSGIR			0x0F20
>> 
>>  #define GICD_CTLR_RWP			(1U << 31)
>> +#define GICD_CTLR_nASSGIreq		(1U << 8)
> I am not able to find this bit in Arm IHI 0069F (ID022020)
> same for the bit in GICD_TYPER. Do we still miss part of the spec?

See my response to Zenghui (TL;DR: this addition to the spec missed the
cut-off for revision F and will be added in the next round).

Thanks,

         M.
-- 
Jazz is not dead. It just smells funny...