[RFC PATCH 2/4] x86, acpi, pci: Isolate new PCI mmconfig entry insertion.

Tomasz Nowicki tomasz.nowicki at linaro.org
Fri Nov 7 06:43:19 PST 2014

On 07.11.2014 15:09, Arnd Bergmann wrote:
> On Friday 07 November 2014 14:27:54 Tomasz Nowicki wrote:
>> Add special pci_mmcfg_insert_lock mutex since pci_mmcfg_lock was moved
>> to common file. No functional changes.
>> Signed-off-by: Tomasz Nowicki <tomasz.nowicki at linaro.org>
> What is the new lock protecting against? You no longer have a mutual
> exclusion with the other code, which looks like it is a functional
> change, and also incorrect.
> It also sounds like the code was broken after the first patch and
> you need this one to make it compile again. You can't do that, and
> instead need to change the locking rules first.

Oh, that's right! Sorry I will take a look again.


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