linux-kernel - Re: [PATCH V1] PCI/AER: Configure ECRC only AER is native

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Message-ID: <de13b6bd-813f-d0bb-3a92-ea1ad3db5d54@linux.intel.com>
Date:   Wed, 11 Jan 2023 19:48:47 -0800
From:   Sathyanarayanan Kuppuswamy 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
To:     Vidya Sagar <vidyas@...dia.com>, Bjorn Helgaas <helgaas@...nel.org>
Cc:     bhelgaas@...gle.com, ruscur@...sell.cc, oohall@...il.com,
        treding@...dia.com, jonathanh@...dia.com, mmaddireddy@...dia.com,
        kthota@...dia.com, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, vsethi@...dia.com,
        linuxppc-dev@...ts.ozlabs.org, sagar.tv@...il.com
Subject: Re: [PATCH V1] PCI/AER: Configure ECRC only AER is native



On 1/11/23 7:33 PM, Vidya Sagar wrote:
> I think we still need bios option. For example, consider a system where BIOS needs to keep ECRC enabled for integrity reasons but if kernel doesn't want it for perf reasons, then, kernel can always use 'ecrc=off' option.

I agree that "on" and "off" option makes sense. Since the kernel defaults ecrc setting to "bios", why again allow it as a command line option?

-- 
Sathyanarayanan Kuppuswamy
Linux Kernel Developer