> I see no option aside of ironing the inner code that reads/writes the PCI
> config, so here is an ugly yet possible solution for x86, that might work
> (totally untested):
>
> diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
> index 6e64aaf..7f32101 100644
> --- a/arch/x86/pci/common.c
> +++ b/arch/x86/pci/common.c
> @@ -75,7 +75,7 @@ int pcibios_scanned;
> * This interrupt-safe spinlock protects all accesses to PCI
> * configuration space.
> */
> -DEFINE_SPINLOCK(pci_config_lock);
> +IPIPE_DEFINE_SPINLOCK(pci_config_lock);
>
> static int __devinit can_skip_ioresource_align(const struct dmi_system_id *d)
> {
> diff --git a/drivers/pci/access.c b/drivers/pci/access.c
> index 39bb96b..9a74083 100644
> --- a/drivers/pci/access.c
> +++ b/drivers/pci/access.c
> @@ -12,7 +12,7 @@
> * configuration space.
> */
>
> -static DEFINE_SPINLOCK(pci_lock);
> +static IPIPE_DEFINE_SPINLOCK(pci_lock);
>
> /*
> * Wrappers for all PCI configuration access functions. They just check
>
This results in:
arch/x86/pci/common.c:78: error: conflicting types for ‘pci_config_lock’
arch/x86/pci/pci.h:84: error: previous declaration of ‘pci_config_lock’
was here
Didn't look into it, just tried ;)
Bernhard
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