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Message-ID: <49C25203.60005@jp.fujitsu.com> Date: Thu, 19 Mar 2009 23:09:07 +0900 From: Kenji Kaneshige <kaneshige.kenji@...fujitsu.com> To: Alex Chiang <achiang@...com> CC: jbarnes@...tuousgeek.org, shimada-yxb@...st.nec.co.jp, linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v4 00/12] PCI core learns hotplug Alex Chiang wrote: > We're getting close to the new merge window, and I _think_ this > patch series is ready for consideration. Notably: > > - multiple rescans/removes of devices with and without bridges > - verified that resource allocation after multiple remove/rescan > cycles is the same as what we had during initial boot > - fixes the complete suckage of fakephp (that I created) > - doesn't affect existing hotplug drivers > - tested on x86 and ia64 platforms > > Please review, and consider testing. For testing ease, you can pull > from my git branch: > > git://git.kernel.org/pub/scm/linux/kernel/git/achiang/pci-hotplug.git > branch 'test-20090318' is what you want > When I rescan the bus even without remove anything, I got the following messages. And enable count of the bridge is incremented every time. [17240.309096] pci 0000:2d:00.0: BAR 6: bogus alignment [0x0-0x0] flags 0x2 [17240.309135] pcieport-driver 0000:00:01.0: setting latency timer to 64 [17240.309143] pcieport-driver 0000:00:02.0: setting latency timer to 64 [17240.309150] pcieport-driver 0000:14:00.0: setting latency timer to 64 [17240.309159] pcieport-driver 0000:15:00.0: setting latency timer to 64 [17240.309166] pcieport-driver 0000:15:01.0: setting latency timer to 64 [17240.309174] pcieport-driver 0000:15:02.0: setting latency timer to 64 [17240.309182] pci 0000:14:00.3: setting latency timer to 64 [17240.309189] pcieport-driver 0000:00:03.0: setting latency timer to 64 [17240.309198] pcieport-driver 0000:2a:00.0: setting latency timer to 64 [17240.309207] pcieport-driver 0000:2b:02.0: setting latency timer to 64 [17240.309215] pcieport-driver 0000:2b:04.0: setting latency timer to 64 [17240.309223] pcieport-driver 0000:00:04.0: setting latency timer to 64 [17240.309231] pcieport-driver 0000:2e:00.0: setting latency timer to 64 [17240.309240] pcieport-driver 0000:2f:02.0: setting latency timer to 64 [17240.309248] pcieport-driver 0000:2f:04.0: setting latency timer to 64 [17240.309256] pcieport-driver 0000:00:06.0: setting latency timer to 64 [17240.309264] pcieport-driver 0000:51:00.0: setting latency timer to 64 [17240.309273] pcieport-driver 0000:52:02.0: setting latency timer to 64 [17240.309281] pcieport-driver 0000:52:04.0: setting latency timer to 64 [17240.309291] pci 0000:64:00.0: setting latency timer to 64 [17240.309300] pcieport-driver 0000:00:1c.0: setting latency timer to 64 [17240.309308] pci 0000:00:1e.0: setting latency timer to 64 [root@...alhost pci]# echo 1 > rescan [root@...alhost pci]# cat /sys/bus/pci/devices/0000\:2f\:04.0/enable 6 [root@...alhost pci]# echo 1 > rescan [root@...alhost pci]# cat /sys/bus/pci/devices/0000\:2f\:04.0/enable 7 [root@...alhost pci]# echo 1 > rescan [root@...alhost pci]# cat /sys/bus/pci/devices/0000\:2f\:04.0/enable 8 [root@...alhost pci]# echo 1 > rescan [root@...alhost pci]# cat /sys/bus/pci/devices/0000\:2f\:04.0/enable 9 Thanks, Kenji Kaneshige -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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