linux-kernel - Re: [PATCH v2 3/5] pci/aer: Export cper_print

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Date:   Fri, 24 Mar 2023 16:52:14 -0500
From:   Terry Bowman <Terry.Bowman@....com>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     alison.schofield@...el.com, vishal.l.verma@...el.com,
        ira.weiny@...el.com, bwidawsk@...nel.org, dan.j.williams@...el.com,
        dave.jiang@...el.com, Jonathan.Cameron@...wei.com,
        linux-cxl@...r.kernel.org, rrichter@....com,
        linux-kernel@...r.kernel.org, bhelgaas@...gle.com
Subject: Re: [PATCH v2 3/5] pci/aer: Export cper_print_aer() for CXL driver
 logging



On 3/24/23 16:41, Bjorn Helgaas wrote:
> On Thu, Mar 23, 2023 at 04:38:06PM -0500, Terry Bowman wrote:
>> The CXL driver plans to use cper_print_aer() for restricted CXL host
>> (RCH) logging. cper_print_aer() is not exported and as a result is not
>> available to the CXL driver or other loadable modules. Export
>> cper_print_aer() making it available to CXL and other loadable modules.
>>
>> Signed-off-by: Terry Bowman <terry.bowman@....com>
>> Cc: Mahesh J Salgaonkar <mahesh@...ux.ibm.com>
>> Cc: "Oliver O'Halloran" <oohall@...il.com>
>> Cc: Bjorn Helgaas <bhelgaas@...gle.com>
>> Cc: linux-pci@...r.kernel.org
> 
> Acked-by: Bjorn Helgaas <bhelgaas@...gle.com>
> 
> But please update the subject line to:
> 
>   PCI/AER: Export cper_print_aer() for use by modules
> 
> to match previous history.
> 

Hi Bjorn,

Yes, I'll update the subject line. Thanks.

>> ---
>>  drivers/pci/pcie/aer.c | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
>> index 625f7b2cafe4..7f0f52d094a4 100644
>> --- a/drivers/pci/pcie/aer.c
>> +++ b/drivers/pci/pcie/aer.c
>> @@ -809,6 +809,7 @@ void cper_print_aer(struct pci_dev *dev, int aer_severity,
>>  	trace_aer_event(dev_name(&dev->dev), (status & ~mask),
>>  			aer_severity, tlp_header_valid, &aer->header_log);
>>  }
>> +EXPORT_SYMBOL_GPL(cper_print_aer);
>>  #endif
>>  
>>  /**
>> -- 
>> 2.34.1
>>