linux-kernel - Re: [PATCH v9 1/4] PCI: Consider alignment of hot-added bridges when distributing available resources

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Message-ID: <20191107141922.GQ2552@lahna.fi.intel.com>
Date:   Thu, 7 Nov 2019 16:19:22 +0200
From:   "mika.westerberg@...ux.intel.com" <mika.westerberg@...ux.intel.com>
To:     Nicholas Johnson <nicholas.johnson-opensource@...look.com.au>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "corbet@....net" <corbet@....net>,
        "benh@...nel.crashing.org" <benh@...nel.crashing.org>,
        "logang@...tatee.com" <logang@...tatee.com>
Subject: Re: [PATCH v9 1/4] PCI: Consider alignment of hot-added bridges when
 distributing available resources

On Tue, Oct 29, 2019 at 03:28:21PM +0000, Nicholas Johnson wrote:
> Rewrite pci_bus_distribute_available_resources to better handle bridges
> with different resource alignment requirements. Pass more details
> arguments recursively to track the resource start and end addresses
> relative to the initial hotplug bridge. This is especially useful for
> Thunderbolt with native PCI enumeration, enabling external graphics
> cards and other devices with bridge alignment higher than 1MB.
> 
> Link: https://bugzilla.kernel.org/show_bug.cgi?id=199581
> 
> Reported-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
> Tested-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
> Signed-off-by: Nicholas Johnson <nicholas.johnson-opensource@...look.com.au>

Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>