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authorBjorn Helgaas <bhelgaas@google.com>2017-02-03 08:53:51 -0600
committerBjorn Helgaas <bhelgaas@google.com>2017-02-03 08:53:51 -0600
commitd98e0929071e7ef63d35c1838b0ad0805ae366dd (patch)
tree6236bf3c424643e3b8b8904a879d4c695bcacfeb /sound/pci/oxygen/xonar_dg_mixer.c
parentdfef358bd1beb4e7b5c94eca944be9cd23dfc752 (diff)
Revert "PCI: pciehp: Add runtime PM support for PCIe hotplug ports"
This reverts commit 68db9bc814362e7f24371c27d12a4f34477d9356. Yinghai reported that the following manual hotplug sequence: # echo 0 > /sys/bus/pci/slots/8/power # echo 1 > /sys/bus/pci/slots/8/power worked in v4.9, but fails in v4.10-rc1, and that reverting 68db9bc81436 ("PCI: pciehp: Add runtime PM support for PCIe hotplug ports") makes it work again. Fixes: 68db9bc81436 ("PCI: pciehp: Add runtime PM support for PCIe hotplug ports") Link: https://lkml.kernel.org/r/CAE9FiQVCMCa7iVyuwp9z6VrY0cE7V_xghuXip28Ft52=8QmTWw@mail.gmail.com Link: https://bugzilla.kernel.org/show_bug.cgi?id=193951 Reported-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'sound/pci/oxygen/xonar_dg_mixer.c')
0 files changed, 0 insertions, 0 deletions
ocess. The MEM errors form userspace will result in a SIGKILL and also cause the offending pages to be claimed so they are no longer used in future tasks. SIGKILL is used to ensure that the process does not try to coredump and result in an attempt to read the memory again from within kernel space. Although there is a HV call to scrub the memory (mem_scrub), there is no easy way to guarantee that the real memory address(es) are not used by other tasks. Clearing the error with mem_scrub would zero the memory and cause the other processes to proceed with bad data. The handling of other non-resumable errors remain unchanged and will cause a panic. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/usb/misc/ftdi-elan.c')