Re: [PATCH 1/2] pci: Block config access during BIST (resend)

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Brian King <[email protected]> wrote:
>
> +void pci_block_user_cfg_access(struct pci_dev *dev)
> +{
> +	unsigned long flags;
> +
> +	pci_save_state(dev);
> +	spin_lock_irqsave(&pci_lock, flags);
> +	dev->block_ucfg_access = 1;
> +	spin_unlock_irqrestore(&pci_lock, flags);

Are you sure the locking in here is meaningful?  All it will really do is
give you a couple of barriers.

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