On Fri, Jan 10, 2014 at 03:20:44PM +0100, Rafael J. Wysocki wrote: > [Cc: adding linux-scsi for the MPT changes, Ben for powerpc, Matthew for > platform/x86 and Konrad for Xen] > > On Friday, December 06, 2013 02:21:50 AM Rafael J. Wysocki wrote: > > [...] > > > > > OK > > > > To be a bit more constructive, as the next step I'd try to use > > pci_remove_rescan_mutex to serialize all PCI hotplug operations (as I said > > above) without making the other changes made by my patch. Does that sound > > reasonable? > > Well, no answer here, so as a followup, a series implementing that idea > follows. > > I *hope* I found all of the places that need to be synchronized vs the bus > rescan and device removal that can be triggered via sysfs, but I might overlook > something. Also in some cases I wasn't quite sure how much stuff to put under > the lock, because said stuff is not exactly straightforward. I applied this series to my pci/locking branch for v3.14. It should appear in -next tomorrow. Note that this touches some areas that are not strictly PCI, so speak up if I'm treading on your toes: arch/powerpc/kernel/eeh_driver.c | 19 ++++++++++++-- drivers/acpi/pci_root.c | 6 ++++ drivers/message/fusion/mptbase.c | 2 - drivers/pci/hotplug/acpiphp.h | 5 +++ drivers/pci/hotplug/acpiphp_core.c | 2 - drivers/pci/hotplug/acpiphp_glue.c | 43 +++++++++++++++++++++++++++++---- drivers/pci/hotplug/cpci_hotplug_pci.c | 14 +++++++++- drivers/pci/hotplug/cpqphp_pci.c | 8 +++++- drivers/pci/hotplug/ibmphp_core.c | 13 ++++++++- drivers/pci/hotplug/pciehp_pci.c | 17 +++++++++---- drivers/pci/hotplug/rpadlpar_core.c | 19 ++++++++++---- drivers/pci/hotplug/rpaphp_core.c | 4 +++ drivers/pci/hotplug/s390_pci_hpc.c | 4 ++- drivers/pci/hotplug/sgi_hotplug.c | 5 +++ drivers/pci/hotplug/shpchp_pci.c | 18 ++++++++++--- drivers/pci/pci-sysfs.c | 19 +++++--------- drivers/pci/probe.c | 18 +++++++++++++ drivers/pci/remove.c | 11 ++++++++ drivers/pci/xen-pcifront.c | 8 ++++++ drivers/pcmcia/cardbus.c | 7 +++++ drivers/platform/x86/asus-wmi.c | 2 + drivers/platform/x86/eeepc-laptop.c | 2 + drivers/scsi/mpt2sas/mpt2sas_base.c | 2 - drivers/scsi/mpt3sas/mpt3sas_base.c | 2 - include/linux/pci.h | 3 ++ -- 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
