On Fri, Sep 4, 2015 at 7:19 AM, Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx> wrote: > By keeping the bridge old size while sizing the bridge if the new size > is < old size (ie bridge never shrinks), we implicitly assume that upon > first scan of the bridge apertures that are not claimed should be set to > size = 0 (ie as Bjorn said the size should be irrelevant in that case > because we are sizing the bridge to figure out what the size should be), > otherwise we might end up triggering issues as this thread shows because > the old size is always taken into consideration. oh, we have patches that will ignore old_size in last retry. Please check git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git for-pci-v4.3-next exact patches should be: https://git.kernel.org/cgit/linux/kernel/git/yinghai/linux-yinghai.git/patch/?id=e8539db0a669fc076ac50800e274af165ce3c5fe PCI: Treat optional as required in first try for bridge rescan https://git.kernel.org/cgit/linux/kernel/git/yinghai/linux-yinghai.git/patch/?id=a7a2e984194a051e77b88f59e2db030dd4d99e64 PCI: Get new realloc size for bridge for last try Thanks Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
