From: Gavin Shan <gwshan@linux.vnet.ibm.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: aik@ozlabs.ru, alex.williamson@redhat.com,
Gavin Shan <gwshan@linux.vnet.ibm.com>,
kvm@vger.kernel.org
Subject: [PATCH v4 2/5] powerpc/eeh: Add warning message in eeh_dev_open()
Date: Thu, 7 Aug 2014 12:47:17 +1000 [thread overview]
Message-ID: <1407379640-13065-3-git-send-email-gwshan@linux.vnet.ibm.com> (raw)
In-Reply-To: <1407379640-13065-1-git-send-email-gwshan@linux.vnet.ibm.com>
The patch adds one warning message in eeh_dev_open() in case the
PCI device can't be marked as passed through.
Suggested-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
---
arch/powerpc/kernel/eeh.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index 59a64f8..5d73a49 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c
@@ -1162,8 +1162,11 @@ int eeh_dev_open(struct pci_dev *pdev)
/* No EEH device or PE ? */
edev = pci_dev_to_eeh_dev(pdev);
- if (!edev || !edev->pe)
+ if (!edev || !edev->pe) {
+ pr_warn_once("%s: PCI device %s not supported\n",
+ __func__, pci_name(pdev));
goto out;
+ }
/* Increase PE's pass through count */
atomic_inc(&edev->pe->pass_dev_cnt);
--
1.8.3.2
next prev parent reply other threads:[~2014-08-07 2:47 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-07 2:47 [PATCH v4 0/5] drivers/vfio: EEH Compile and compatibility Gavin Shan
2014-08-07 2:47 ` [PATCH v4 1/5] powerpc/eeh: Export eeh_iommu_group_to_pe() Gavin Shan
2014-08-08 3:49 ` Benjamin Herrenschmidt
2014-08-07 2:47 ` Gavin Shan [this message]
2014-08-08 3:50 ` [PATCH v4 2/5] powerpc/eeh: Add warning message in eeh_dev_open() Benjamin Herrenschmidt
2014-08-08 4:06 ` Alex Williamson
2014-08-07 2:47 ` [PATCH v4 3/5] drivers/vfio: Fix EEH build error Gavin Shan
2014-08-07 2:47 ` [PATCH v4 4/5] drivers/vfio: Allow EEH to be built as module Gavin Shan
2014-08-07 2:47 ` [PATCH v4 5/5] drivers/vfio: Enable VFIO if EEH is not supported Gavin Shan
2014-08-08 17:13 ` [PATCH v4 0/5] drivers/vfio: EEH Compile and compatibility Alex Williamson
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