linux-kernel - RE: [PATCH] irqchip/gic-v3: Check SRE bit for GICv2 legacy support

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Date:   Tue, 15 Dec 2020 10:00:53 +0000
From:   Shameerali Kolothum Thodi <shameerali.kolothum.thodi@...wei.com>
To:     wanghuiqiang <wanghuiqiang@...wei.com>,
        Ard Biesheuvel <ardb@...nel.org>
CC:     Marc Zyngier <maz@...nel.org>,
        "eric.auger@...hat.com" <eric.auger@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Linuxarm <linuxarm@...wei.com>, "xuwei (O)" <xuwei5@...wei.com>
Subject: RE: [PATCH] irqchip/gic-v3: Check SRE bit for GICv2 legacy support

Hi Wanghuiqiang,


> -----Original Message-----
> From: wanghuiqiang
> Sent: 15 December 2020 07:49
> To: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@...wei.com>;
> Ard Biesheuvel <ardb@...nel.org>
> Cc: Marc Zyngier <maz@...nel.org>; eric.auger@...hat.com;
> linux-kernel@...r.kernel.org; linux-arm-kernel@...ts.infradead.org; Linuxarm
> <linuxarm@...wei.com>; xuwei (O) <xuwei5@...wei.com>
> Subject: 答复: [PATCH] irqchip/gic-v3: Check SRE bit for GICv2 legacy support
> 
> Sorry response late.
> Hi Shameer & Ard,
> 
> Could you let me know which firmware you are using? If the difference is Madt
> table vGIC your pointed , they are the same. We changed the vGIC memory
> base address at very early design stage.

I checked the below ones and all these boards has the issue,

Openlab-Board - 69009,

DMI: Huawei TaiShan 2280 V2/BC82AMDC, BIOS 2280-V2 CS V3.B270.01 05/08/2020

Openlab-Board-69008,

DMI: Huawei TaiShan 2280 V2/BC82AMDC, BIOS 2280-V2 CS V5.B030.01 07/03/2020

UK-D06CS-board,

Boot firmware (version 2280-V2 CS V3.B220.01 built at 03/19/2020  16:52)

Thanks,
Shameer

> Thanks！
> 
> -----邮件原件-----
> 发件人: Shameerali Kolothum Thodi
> 发送时间: 2020年12月2日 16:23
> 收件人: Ard Biesheuvel <ardb@...nel.org>
> 抄送: Marc Zyngier <maz@...nel.org>; eric.auger@...hat.com;
> linux-kernel@...r.kernel.org; linux-arm-kernel@...ts.infradead.org; Linuxarm
> <linuxarm@...wei.com>; wanghuiqiang <wanghuiqiang@...wei.com>; xuwei
> (O) <xuwei5@...wei.com>
> 主题: RE: [PATCH] irqchip/gic-v3: Check SRE bit for GICv2 legacy support
> 
> [+]
> 
> > -----Original Message-----
> > From: Ard Biesheuvel [mailto:ardb@...nel.org]
> > Sent: 30 November 2020 18:32
> > To: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@...wei.com>
> > Cc: Marc Zyngier <maz@...nel.org>; eric.auger@...hat.com;
> > linux-kernel@...r.kernel.org; linux-arm-kernel@...ts.infradead.org;
> > Linuxarm <linuxarm@...wei.com>
> > Subject: Re: [PATCH] irqchip/gic-v3: Check SRE bit for GICv2 legacy
> > support
> >
> ...
> 
> >
> > Any clue why production D06 firmware deviates from the D06 port that
> > exists in Tianocore's edk2-platforms repository? Because that version
> > does not have this bug, and I wonder why that code was upstreamed at
> > all if a substantially different version gets shipped with production
> > hardware.
> 
> Ok. Thanks for pointing this out. I have informed our UEFI team about this.
> They will check Internally and clarify.
> 
> Regards,
> Shameer