On Thu, Oct 05, 2017 at 01:42:09PM -0500, Bjorn Helgaas wrote:
>On Thu, Oct 05, 2017 at 11:05:12PM +0800, Wei Yang wrote:
>> On Wed, Oct 4, 2017 at 5:15 AM, Bjorn Helgaas wrote:
>> > [+cc Alex, Gavin, Wei]
>> >
>> > On Fri, Sep 29, 2017 at 10:49:38PM -0700, Govindarajulu Varadarajan wrote:
>> >> C
On Thu, Oct 05, 2017 at 11:05:12PM +0800, Wei Yang wrote:
> On Wed, Oct 4, 2017 at 5:15 AM, Bjorn Helgaas wrote:
> > [+cc Alex, Gavin, Wei]
> >
> > On Fri, Sep 29, 2017 at 10:49:38PM -0700, Govindarajulu Varadarajan wrote:
> >> CPU0 CPU1
> >> --
On Wed, Oct 4, 2017 at 5:15 AM, Bjorn Helgaas wrote:
> [+cc Alex, Gavin, Wei]
>
> On Fri, Sep 29, 2017 at 10:49:38PM -0700, Govindarajulu Varadarajan wrote:
>> CPU0 CPU1
>> -
>> __driver_attach()
>
[+cc Alex, Gavin, Wei]
On Fri, Sep 29, 2017 at 10:49:38PM -0700, Govindarajulu Varadarajan wrote:
> CPU0 CPU1
> -
> __driver_attach()
> device_lock(&dev->mutex) <--- device mutex lock here
> driver
On Mon, Oct 02, 2017 at 05:14:09PM -0700, Govindarajulu Varadarajan wrote:
>
> I would avoid increasing the size of pci_dev. The list_head would be empty
> after
> we call aer_pci_walk_bus(). We already have pci_bus *subordinate to link all
> the
> 'device's. Making list_head available to others
On Sat, 30 Sep 2017, Sinan Kaya wrote:
On 9/30/2017 1:49 AM, Govindarajulu Varadarajan wrote:
This patch does a pci_bus_walk and adds all the devices to a list. After
unlocking (up_read) &pci_bus_sem, we go through the list and call
err_handler of the devices with devic_lock() held. This way, w
On Sun, 1 Oct 2017, Christoph Hellwig wrote:
+struct aer_device_list {
+ struct device *dev;
+ struct hlist_node node;
+};
+
extern struct bus_type pcie_port_bus_type;
void aer_isr(struct work_struct *work);
void aer_print_error(struct pci_dev *dev, struct aer_err_info *info);
dif
Can you please start with an explanation of the problem in text and
cut down the cycle of involved functions to those actually relevant?
That'll make reviewing the patch a bit easier..
> 2 files changed, 48 insertions(+), 2 deletions(-)
> diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci
On 9/30/2017 1:49 AM, Govindarajulu Varadarajan wrote:
> This patch does a pci_bus_walk and adds all the devices to a list. After
> unlocking (up_read) &pci_bus_sem, we go through the list and call
> err_handler of the devices with devic_lock() held. This way, we dont try
> to hold both locks at sa
CPU0CPU1
-
__driver_attach()
device_lock(&dev->mutex) <--- device mutex lock here
driver_probe_device()
pci_enable_sriov()
pci_iov_add_virtfn()
pci_device_add()
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