mark gross wrote:
Index: linux-2.6.24-mm1/drivers/pci/intel-iommu.c
===================================================================
--- linux-2.6.24-mm1.orig/drivers/pci/intel-iommu.c 2008-02-12
07:12:06.000000000 -0800
+++ linux-2.6.24-mm1/drivers/pci/intel-iommu.c 2008-02-12 07:47:04.000000000
-0800
@@ -1672,7 +1702,30 @@
for_each_drhd_unit(drhd) {
if (drhd->ignored)
continue;
- iommu = alloc_iommu(drhd);
+ g_num_of_iommus++;
+ }
+
+ nlongs = BITS_TO_LONGS(g_num_of_iommus);
+ g_iommus_to_flush = kzalloc(nlongs * sizeof(unsigned long), GFP_KERNEL);
+ if (!g_iommus_to_flush) {
+ printk(KERN_ERR "Intel-IOMMU: \
+ Allocating bitmap array failed\n");
I think that will make a string like below:
Intel-IOMMU: Allocating bitmap array failed
+ return -ENOMEM;
+ }
+
+ g_iommus = kzalloc(g_num_of_iommus * sizeof(*iommu), GFP_KERNEL);
+ if (!g_iommus) {
+ kfree(g_iommus_to_flush);
+ ret = -ENOMEM;
+ goto error;
+ }
+
+ i = 0;
+ for_each_drhd_unit(drhd) {
+ if (drhd->ignored)
+ continue;
+ iommu = alloc_iommu(&g_iommus[i], drhd);
+ i++;
if (!iommu) {
ret = -ENOMEM;
goto error;
Index: linux-2.6.24-mm1/Documentation/kernel-parameters.txt
===================================================================
--- linux-2.6.24-mm1.orig/Documentation/kernel-parameters.txt 2008-02-12
07:12:06.000000000 -0800
+++ linux-2.6.24-mm1/Documentation/kernel-parameters.txt 2008-02-12
07:47:02.000000000 -0800
@@ -822,6 +822,10 @@
than 32 bit addressing. The default is to look
for translation below 32 bit and if not available
then look in the higher range.
+ strict [Default Off]
+ With this option on every umap_signal opperation will
unmap_single operation
+ result in a hardware IOTLB flush opperation as opposed
+ to batching them for performance.
io_delay= [X86-32,X86-64] I/O delay method
0x80
--
~Randy
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
