linux-kernel - Re: [PATCH] hwmon, k10temp: Add support for AMD F15h M60h processor

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Message-ID: <53C43BDF.2070403@ladisch.de>
Date:	Mon, 14 Jul 2014 22:21:51 +0200
From:	Clemens Ladisch <clemens@...isch.de>
To:	Aravind Gopalakrishnan <Aravind.Gopalakrishnan@....com>
CC:	Borislav Petkov <bp@...en8.de>, jdelvare@...e.de,
	linux@...ck-us.net, rdunlap@...radead.org, bhelgaas@...gle.com,
	lm-sensors@...sensors.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH] hwmon, k10temp: Add support for AMD F15h M60h processor

Borislav Petkov wrote:
> On Mon, Jul 14, 2014 at 03:23:08PM -0500, Aravind Gopalakrishnan wrote:
>> +	if (boot_cpu_data.x86 == 0x15 && boot_cpu_data.x86_model == 0x60) {
>> +		pci_bus_write_config_dword(pdev->bus, PCI_DEVFN(0, 0),
>> +					   NB_SMU_IND_ADDR, IND_ADDR_OFFSET);
>> +		pci_bus_read_config_dword(pdev->bus, PCI_DEVFN(0, 0),
>> +					  NB_SMU_IND_DATA, &regval);

How do you prevent races with any other code that accesses some indirect
register?

>> +
>> +	} else
>> +		pci_read_config_dword(pdev, REG_REPORTED_TEMPERATURE, &regval);

Why the empty line?  Also, use braces in both branches.


Regards,
Clemens
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