On Tue, Apr 10, 2018 at 02:36:31PM -0500, Bjorn Helgaas wrote:
> On Wed, Apr 04, 2018 at 12:10:35PM -0300, Desnes A. Nunes do Rosario wrote:
> > The disabling informational messages on the PCI subsystem should be deleted
> > since they do not represent any real value for the system logs.
> >
> > These messages are either not presented, or presented for all PCI devices
> > (e.g., powerpc now realigns all PCI devices to its page size). Thus, they
> > are flooding system logs and can be interpreted as a false positive for
> > total PCI failure on the system.
> >
> > [root@system user]# dmesg | grep -i disabling
> > [ 0.692270] pci 0000:00:00.0: Disabling memory decoding and releasing memory resources
> > [ 0.692324] pci 0000:00:00.0: disabling bridge mem windows
> > [ 0.729134] pci 0001:00:00.0: Disabling memory decoding and releasing memory resources
> > [ 0.737352] pci 0001:00:00.0: disabling bridge mem windows
> > [ 0.776295] pci 0002:00:00.0: Disabling memory decoding and releasing memory resources
> > [ 0.784509] pci 0002:00:00.0: disabling bridge mem windows
> > ... and goes on for all PCI devices on the system ...
> >
> > Fixes: 38274637699 ("powerpc/powernv: Override pcibios_default_alignment() to force PCI devices to be page aligned")
> > Signed-off-by: Desnes A. Nunes do Rosario <desnesn@xxxxxxxxxxxxxxxxxx>
>
> Applied to pci/resource for v4.18, thanks!
>
> I should have gotten this in for v4.17, but I didn't; sorry about that.
This is trivial and I'm planning to squeeze a few more things into v4.17,
so I moved this to my "for-linus" branch for v4.17.
> > ---
> > drivers/pci/pci.c | 1 -
> > drivers/pci/setup-res.c | 2 --
> > 2 files changed, 3 deletions(-)
> >
> > diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
> > index 8c71d1a66cdd..1563ce1ee091 100644
> > --- a/drivers/pci/pci.c
> > +++ b/drivers/pci/pci.c
> > @@ -5505,7 +5505,6 @@ void pci_reassigndev_resource_alignment(struct pci_dev *dev)
> > return;
> > }
> >
> > - pci_info(dev, "Disabling memory decoding and releasing memory resources\n");
> > pci_read_config_word(dev, PCI_COMMAND, &command);
> > command &= ~PCI_COMMAND_MEMORY;
> > pci_write_config_word(dev, PCI_COMMAND, command);
> > diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
> > index 369d48d6c6f1..6bd35e8e7cde 100644
> > --- a/drivers/pci/setup-res.c
> > +++ b/drivers/pci/setup-res.c
> > @@ -172,8 +172,6 @@ EXPORT_SYMBOL(pci_claim_resource);
> >
> > void pci_disable_bridge_window(struct pci_dev *dev)
> > {
> > - pci_info(dev, "disabling bridge mem windows\n");
> > -
> > /* MMIO Base/Limit */
> > pci_write_config_dword(dev, PCI_MEMORY_BASE, 0x0000fff0);
> >
> > --
> > 2.14.3
> >
