The patch titled
fix I/OAT for kexec
has been added to the -mm tree. Its filename is
fix-i-oat-for-kexec.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: fix I/OAT for kexec
From: Dan Aloni <[EMAIL PROTECTED]>
Under kexec, I/OAT initialization breaks over busy resources because the
previous kernel did not release them.
I'm not sure this fix can be considered a complete one but it works for me.
I guess something similar to the *_remove method should occur there..
Signed-off-by: Dan Aloni <[EMAIL PROTECTED]>
Cc: Chris Leech <[EMAIL PROTECTED]>
Cc: "Eric W. Biederman" <[EMAIL PROTECTED]>
Cc: Vivek Goyal <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
drivers/dma/ioatdma.c | 13 +++++++++++++
1 files changed, 13 insertions(+)
diff -puN drivers/dma/ioatdma.c~fix-i-oat-for-kexec drivers/dma/ioatdma.c
--- a/drivers/dma/ioatdma.c~fix-i-oat-for-kexec
+++ a/drivers/dma/ioatdma.c
@@ -41,6 +41,7 @@
/* internal functions */
static int __devinit ioat_probe(struct pci_dev *pdev, const struct
pci_device_id *ent);
+static void ioat_shutdown(struct pci_dev *pdev);
static void __devexit ioat_remove(struct pci_dev *pdev);
static int enumerate_dma_channels(struct ioat_device *device)
@@ -557,6 +558,7 @@ static struct pci_driver ioat_pci_drv =
.name = "ioatdma",
.id_table = ioat_pci_tbl,
.probe = ioat_probe,
+ .shutdown = ioat_shutdown,
.remove = __devexit_p(ioat_remove),
};
@@ -781,9 +783,20 @@ err_request_regions:
err_set_dma_mask:
pci_disable_device(pdev);
err_enable_device:
+
+ printk(KERN_ERR "Intel(R) I/OAT DMA Engine initialization failed\n");
+
return err;
}
+static void ioat_shutdown(struct pci_dev *pdev)
+{
+ struct ioat_device *device;
+ device = pci_get_drvdata(pdev);
+
+ dma_async_device_unregister(&device->common);
+}
+
static void __devexit ioat_remove(struct pci_dev *pdev)
{
struct ioat_device *device;
_
Patches currently in -mm which might be from [EMAIL PROTECTED] are
fix-i-oat-for-kexec.patch
-
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
