Re: [PATCH v4 2/5] powerpc/eeh: Add warning message in eeh_dev_open()
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2014-08-08 03:55:23
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kvm
On Thu, 2014-08-07 at 12:47 +1000, Gavin Shan wrote:
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 <redacted> Signed-off-by: Gavin Shan <redacted> ---
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Alex, are you taking this or should I ?
quoted hunk ↗ jump to hunk
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);