[sourcecode language='cpp']
diff -Nur modules/nvidia-kernel/nv/conftest.sh modules-patched-working/nvidia-kernel/nv/conftest.sh
— modules/nvidia-kernel/nv/conftest.sh 2007-07-02 21:57:14.000000000 -0300
+++ modules-patched-working/nvidia-kernel/nv/conftest.sh 2007-07-07 23:12:39.000000000 -0300
@@ -896,65 +896,6 @@
fi
;;
- xen_sanity_check)
- #
- # Check if the target kernel is a Xen kernel. If so, then exit, since
- # the driver doesn’t currently work with Xen.
- #
- RET=1
- VERBOSE=$6
- FILE=”linux/autoconf.h”
-
- if [ -n "$IGNORE_XEN_PRESENCE" ]; then
- exit 0
- fi
-
- if [ -f $HEADERS/$FILE -o -f $OUTPUT/include/$FILE ]; then
- #
- # We are looking at a configured source tree; verify
- # that it’s not a Xen kernel.
- #
- echo “#include <linux/autoconf.h>
- #ifdef CONFIG_XEN
- #error CONFIG_XEN defined!!
- #endif
- ” > conftest$$.c
-
- $CC $CFLAGS -c conftest$$.c > /dev/null 2>&1
- rm -f conftest$$.c
-
- if [ -f conftest$$.o ]; then
- rm -f conftest$$.o
- RET=0
- fi
- else
- CONFIG=$HEADERS/../.config
- if [ -f $CONFIG ]; then
- if [ -z "$(grep "^CONFIG_XEN=y" $CONFIG)" ]; then
- RET=0
- fi
- fi
- fi
-
- if [ "$RET" != "0" ]; then
- echo “The kernel you are installing for is a Xen kernel!”;
- echo “”;
- echo “The NVIDIA driver does not currently work on Xen kernels. If “;
- echo “you are using a stock distribution kernel, please install “;
- echo “a variant of this kernel without Xen support; if this is a “;
- echo “custom kernel, please install a standard Linux kernel. Then “;
- echo “try installing the NVIDIA kernel module again.”;
- echo “”;
- if [ "$VERBOSE" = "full_output" ]; then
- echo “*** Failed Xen sanity check. Bailing out! ***”;
- echo “”;
- fi
- exit 1
- else
- exit 0
- fi
- ;;
-
acpi_device_ops_match)
#
# Determine if the acpi_device_ops data structure has
diff -Nur modules/nvidia-kernel/nv/nv.c modules-patched-working/nvidia-kernel/nv/nv.c
— modules/nvidia-kernel/nv/nv.c 2007-07-02 21:57:15.000000000 -0300
+++ modules-patched-working/nvidia-kernel/nv/nv.c 2007-07-07 23:11:42.000000000 -0300
@@ -39,20 +39,21 @@
#if defined(NV_PM_SUPPORT_OLD_STYLE_APM)
static struct pm_dev *apm_nv_dev[NV_MAX_DEVICES] = { 0 };
#endif
-
int nv_pat_enabled = 0;
-#if !defined(NV_BUILD_NV_PAT_SUPPORT)
+#if defined(CONFIG_XEN) || defined(CONFIG_PREEMPT_RT)
static int nv_disable_pat = 1;
#else
static int nv_disable_pat = 0;
+#endif
+
+#if !defined(CONFIG_XEN)
NV_MODULE_PARAMETER(nv_disable_pat);
#endif
#if defined(NVCPU_X86) || defined(NVCPU_X86_64)
NvU64 __nv_supported_pte_mask = ~_PAGE_NX;
#endif
-
/*
* And one for the control device
*/
diff -Nur modules/nvidia-kernel/nv/nv-linux.h modules-patched-working/nvidia-kernel/nv/nv-linux.h
— modules/nvidia-kernel/nv/nv-linux.h 2007-07-02 21:57:15.000000000 -0300
+++ modules-patched-working/nvidia-kernel/nv/nv-linux.h 2007-07-07 23:19:50.000000000 -0300
@@ -261,7 +261,7 @@
* tiny, and the kernel panics when it is exhausted. try to warn the user that
* they need to boost the size of their pool.
*/
-#if defined(CONFIG_SWIOTLB) && !defined(GFP_DMA32)
+#if defined(CONFIG_SWIOTLB) && !defined(GFP_DMA32) && !defined(CONFIG_XEN)
#define NV_SWIOTLB 1
#endif
@@ -821,7 +821,10 @@
#define NV_VM_INSERT_PAGE(vma, addr, page) \
vm_insert_page(vma, addr, page)
#endif
-#if defined(NV_REMAP_PFN_RANGE_PRESENT)
+#if defined(CONFIG_XEN)
+#define NV_REMAP_PAGE_RANGE(from, offset, x…) \
+ io_remap_pfn_range(vma, from, ((offset) >> PAGE_SHIFT), x)
+#elif defined(NV_REMAP_PFN_RANGE_PRESENT)
#define NV_REMAP_PAGE_RANGE(from, offset, x…) \
remap_pfn_range(vma, from, ((offset) >> PAGE_SHIFT), x)
#elif defined(NV_REMAP_PAGE_RANGE_5_PRESENT)
@@ -833,6 +836,7 @@
#define NV_REMAP_PAGE_RANGE(x…) remap_page_range(x)
#endif
#if !defined(CONFIG_XEN)
+#define phys_to_machine(x) x
#define NV_IO_REMAP_PAGE_RANGE(from, offset, x…) \
NV_REMAP_PAGE_RANGE(from, offset, x)
#else
diff -Nur modules/nvidia-kernel/nv/nv-vm.c modules-patched-working/nvidia-kernel/nv/nv-vm.c
— modules/nvidia-kernel/nv/nv-vm.c 2007-07-02 21:57:15.000000000 -0300
+++ modules-patched-working/nvidia-kernel/nv/nv-vm.c 2007-07-07 23:22:04.000000000 -0300
@@ -352,6 +352,9 @@
static void nv_flush_caches(void)
{
+#if defined(CONFIG_PREEMPT_RT)
+ if(!nv_pat_enabled) return;
+#endif
#if defined(KERNEL_2_4)
// for 2.4 kernels, just automatically flush the caches and invalidate tlbs
nv_execute_on_all_cpus(cache_flush, NULL);
diff -Nur modules/nvidia-kernel/nv/os-agp.c modules-patched-working/nvidia-kernel/nv/os-agp.c
— modules/nvidia-kernel/nv/os-agp.c 2007-07-02 21:57:15.000000000 -0300
+++ modules-patched-working/nvidia-kernel/nv/os-agp.c 2007-07-07 23:11:42.000000000 -0300
@@ -295,7 +295,7 @@
page_ptr->phys_addr = (ptr->memory[i] & PAGE_MASK);
page_ptr->virt_addr = (unsigned long) __va(page_ptr->phys_addr);
- page_ptr->dma_addr = page_ptr->phys_addr;
+ page_ptr->dma_addr = phys_to_machine(page_ptr->phys_addr);
}
return RM_OK;
diff -Nur modules/nvidia-kernel/nv/os-interface.c modules-patched-working/nvidia-kernel/nv/os-interface.c
— modules/nvidia-kernel/nv/os-interface.c 2007-07-02 21:57:15.000000000 -0300
+++ modules-patched-working/nvidia-kernel/nv/os-interface.c 2007-07-07 23:11:42.000000000 -0300
@@ -552,6 +552,7 @@
MicroSeconds = MilliSeconds * 1000;
tm_end.tv_usec = MicroSeconds;
tm_end.tv_sec = 0;
+#if !defined(CONFIG_XEN)
NV_TIMERADD(&tm_aux, &tm_end, &tm_end);
/* do we have a full jiffie to wait? */
@@ -599,7 +600,7 @@
MicroSeconds = 0;
} while ((jiffies = NV_USECS_TO_JIFFIES(MicroSeconds)) != 0);
}
-
+#endif
if (MicroSeconds > 1000)
{
mdelay_safe_msec = MicroSeconds / 1000;
[/sourcecode]
