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

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On Mon, Jul 14, 2014 at 10:21:51PM +0200, Clemens Ladisch wrote:
> 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?
> 
I just wanted to ask exactly the same question. I think this will need
locking.

> >> +
> >> +	} else
> >> +		pci_read_config_dword(pdev, REG_REPORTED_TEMPERATURE, &regval);
> 
> Why the empty line?  Also, use braces in both branches.
> 
Agreed. Too bad the respective checkpatch warning was moved to --strict.

Guenter
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