commit b600baa2d05848f8a6296ee3507c76ff0e754411 Author: Brett Goulder <predatorfreak@dcaf-security.org> Date: Sun Jun 1 04:48:17 2008 -0400 nvidia: Update to 173.14.05. diff --git a/nvidia/.footprint b/nvidia/.footprint index e6a4696..483bc2f 100644 --- a/nvidia/.footprint +++ b/nvidia/.footprint @@ -18,22 +18,22 @@ drwxr-xr-x root/root usr/include/nvidia/GL/ -r--r--r-- root/root usr/include/nvidia/GL/glxext.h drwxr-xr-x root/root usr/lib/ -rwxr-xr-x root/root usr/lib/libGL.la --rwxr-xr-x root/root usr/lib/libGL.so.169.12 --rwxr-xr-x root/root usr/lib/libGLcore.so.169.12 --rwxr-xr-x root/root usr/lib/libcuda.so.169.12 --rwxr-xr-x root/root usr/lib/libnvidia-cfg.so.169.12 --rwxr-xr-x root/root usr/lib/libnvidia-tls.so.169.12 +-rwxr-xr-x root/root usr/lib/libGL.so.173.14.05 +-rwxr-xr-x root/root usr/lib/libGLcore.so.173.14.05 +-rwxr-xr-x root/root usr/lib/libcuda.so.173.14.05 +-rwxr-xr-x root/root usr/lib/libnvidia-cfg.so.173.14.05 +-rwxr-xr-x root/root usr/lib/libnvidia-tls.so.173.14.05 drwxr-xr-x root/root usr/lib/tls/ --rwxr-xr-x root/root usr/lib/tls/libnvidia-tls.so.169.12 +-rwxr-xr-x root/root usr/lib/tls/libnvidia-tls.so.173.14.05 drwxr-xr-x root/root usr/lib/xorg/ -r--r--r-- root/root usr/lib/xorg/libXvMCNVIDIA.a --rwxr-xr-x root/root usr/lib/xorg/libXvMCNVIDIA.so.169.12 +-rwxr-xr-x root/root usr/lib/xorg/libXvMCNVIDIA.so.173.14.05 drwxr-xr-x root/root usr/lib/xorg/modules/ drwxr-xr-x root/root usr/lib/xorg/modules/drivers/ -rwxr-xr-x root/root usr/lib/xorg/modules/drivers/nvidia_drv.so drwxr-xr-x root/root usr/lib/xorg/modules/extensions/ --rwxr-xr-x root/root usr/lib/xorg/modules/extensions/libglx.so.169.12 --rwxr-xr-x root/root usr/lib/xorg/modules/libnvidia-wfb.so.169.12 +-rwxr-xr-x root/root usr/lib/xorg/modules/extensions/libglx.so.173.14.05 +-rwxr-xr-x root/root usr/lib/xorg/modules/libnvidia-wfb.so.173.14.05 drwxr-xr-x root/root usr/man/ drwxr-xr-x root/root usr/man/man1/ -rw-r--r-- root/root usr/man/man1/nvidia-settings.1.gz diff --git a/nvidia/.md5sum b/nvidia/.md5sum index e38688f..bb549df 100644 --- a/nvidia/.md5sum +++ b/nvidia/.md5sum @@ -1,3 +1,2 @@ -e7aaca79c846e34cfe8111040bfee2d0 NVIDIA-Linux-x86-169.12-pkg0.run -a6b6d9d7ff0306343be3fa40e72337fd nvidia-169.12-2.6.25.patch +a4185e057c38b8230fa4b79f98cb57fb NVIDIA-Linux-x86-173.14.05-pkg0.run 544ac021f572c0aca5025dcca9d01510 nvidia-makefile.patch diff --git a/nvidia/Pkgfile b/nvidia/Pkgfile index 116369c..41daf3b 100644 --- a/nvidia/Pkgfile +++ b/nvidia/Pkgfile @@ -5,11 +5,10 @@ # Depends on: xorg, gl-select name=nvidia -version=169.12 +version=173.14.05 release=2 source=(http://download.nvidia.com/XFree86/Linux-x86/$version/NVIDIA-Linux-x86-$vers... \ - $name-makefile.patch - $name-$version-2.6.25.patch) + $name-makefile.patch) build() { sh NVIDIA-Linux-x86-$version-pkg0.run --extract-only @@ -17,9 +16,6 @@ build() { # patch Makefile.kbuild for normal users and no load during build patch -p0 -i $SRC/$name-makefile.patch usr/src/nv/Makefile.kbuild - # Allow stable version to build with kernel's equal to or greater than - # 2.6.25 - patch -p0 -i $SRC/$name-$version-2.6.25.patch # create directories the Makefile expects mkdir -p $PKG/usr/lib \ diff --git a/nvidia/nvidia-169.12-2.6.25.patch b/nvidia/nvidia-169.12-2.6.25.patch deleted file mode 100644 index e511cfb..0000000 --- a/nvidia/nvidia-169.12-2.6.25.patch +++ /dev/null @@ -1,637 +0,0 @@ -diff -ru usr/src/nv/Makefile.kbuild usr/src/nv.2286310/Makefile.kbuild ---- usr/src/nv/Makefile.kbuild 2008-03-16 14:13:10.000000000 -0700 -+++ usr/src/nv.2286310/Makefile.kbuild 2008-03-16 14:37:47.204131496 -0700 -@@ -177,6 +177,7 @@ - vmap \ - signal_struct \ - agp_backend_acquire \ -+ set_pages_uc \ - change_page_attr \ - pci_get_class \ - sysctl_max_map_count \ -diff -ru usr/src/nv/conftest.sh usr/src/nv.2286310/conftest.sh ---- usr/src/nv/conftest.sh 2008-03-16 14:13:10.000000000 -0700 -+++ usr/src/nv.2286310/conftest.sh 2008-03-16 14:37:47.204131496 -0700 -@@ -100,6 +100,32 @@ - fi - ;; - -+ set_pages_uc) -+ # -+ # Determine if the set_pages_uc() function is present. -+ # -+ echo "#include <linux/autoconf.h> -+ #include <asm/cacheflush.h> -+ void conftest_set_pages_uc(void) { -+ set_pages_uc(); -+ }" > conftest$$.c -+ -+ $CC $CFLAGS -c conftest$$.c > /dev/null 2>&1 -+ rm -f conftest$$.c -+ -+ if [ -f conftest$$.o ]; then -+ rm -f conftest$$.o -+ echo "#undef NV_SET_PAGES_UC_PRESENT" >> conftest.h -+ return -+ else -+ echo "#ifdef NV_CHANGE_PAGE_ATTR_PRESENT" >> conftest.h -+ echo "#undef NV_CHANGE_PAGE_ATTR_PRESENT" >> conftest.h -+ echo "#endif" >> conftest.h -+ echo "#define NV_SET_PAGES_UC_PRESENT" >> conftest.h -+ return -+ fi -+ ;; -+ - change_page_attr) - # - # Determine if the change_page_attr() function is -@@ -124,7 +150,9 @@ - rm -f conftest$$.o - return - else -+ echo "#ifndef NV_SET_PAGES_UC_PRESENT" >> conftest.h - echo "#define NV_CHANGE_PAGE_ATTR_PRESENT" >> conftest.h -+ echo "#endif" >> conftest.h - return - fi - ;; -@@ -524,6 +552,8 @@ - return - fi - -+ rm -f conftest$$.o -+ - echo "#include <linux/autoconf.h> - #include <linux/interrupt.h> - irq_handler_t conftest_isr; -diff -ru usr/src/nv/nv-linux.h usr/src/nv.2286310/nv-linux.h ---- usr/src/nv/nv-linux.h 2008-03-16 14:13:10.000000000 -0700 -+++ usr/src/nv.2286310/nv-linux.h 2008-03-16 14:37:47.204131496 -0700 -@@ -871,9 +871,10 @@ - - #define NV_PGD_OFFSET(address, kernel, mm) \ - ({ \ -+ struct mm_struct *__mm = (mm); \ - pgd_t *__pgd; \ - if (!kernel) \ -- __pgd = pgd_offset(mm, address); \ -+ __pgd = pgd_offset(__mm, address); \ - else \ - __pgd = pgd_offset_k(address); \ - __pgd; \ -@@ -1208,21 +1209,24 @@ - nv_check_pci_config_space(nv, cb); \ - } - -+extern int nv_update_memory_types; -+ - /* -- * a BUG() is triggered on early 2.6 x86_64 kernels. the underlying -- * problem actually exists on many architectures and kernels, but -- * these are the only kernels that check the condition and trigger -- * a BUG(). note that this is a problem of the core kernel, not an -- * nvidia bug (and can still be triggered by agpgart). let's avoid -- * change_page_attr on those kernels. -+ * Using change_page_attr() on early Linux/x86-64 2.6 kernels may -+ * result in a BUG() being triggered. The underlying problem -+ * actually exists on multiple architectures and kernels, but only -+ * the above check for the condition and trigger a BUG(). -+ * -+ * Note that this is a due to a bug in the Linux kernel, not an -+ * NVIDIA driver bug (it can also be triggered by AGPGART). -+ * -+ * We therefore need to determine at runtime if change_page_attr() -+ * can be used safely on these kernels. - */ --#if defined(NV_CHANGE_PAGE_ATTR_PRESENT) --extern int nv_use_cpa; -- --#if defined(NVCPU_X86_64) && !defined(KERNEL_2_4) && \ -- (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 11)) --#define NV_CHANGE_PAGE_ATTR_BUG_PRESENT 1 --#endif -+#if defined(NV_CHANGE_PAGE_ATTR_PRESENT) && defined(NVCPU_X86_64) && \ -+ !defined(KERNEL_2_4) && \ -+ (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 11)) -+#define NV_CHANGE_PAGE_ATTR_BUG_PRESENT - #endif - - #if defined(NVCPU_X86) || defined(NVCPU_X86_64) -@@ -1234,7 +1238,7 @@ - * - * We need to be careful to mask out _PAGE_NX when the host system - * doesn't support this feature or when it's disabled: the kernel -- * may not do this in its implementation of the change_page_attr() -+ * may not do this in its implementation of the change_page_attr() - * interface. - */ - #ifndef X86_FEATURE_NX -diff -ru usr/src/nv/nv-reg.h usr/src/nv.2286310/nv-reg.h ---- usr/src/nv/nv-reg.h 2008-03-16 14:13:10.000000000 -0700 -+++ usr/src/nv.2286310/nv-reg.h 2008-03-16 14:37:47.204131496 -0700 -@@ -391,34 +391,36 @@ - #define NV_REG_REMAP_LIMIT NV_REG_STRING(__NV_REMAP_LIMIT) - - /* -- * Option: UseCPA -+ * Option: UpdateMemoryTypes - * - * Description: - * -- * Many kernels have a broken implementation of change_page_attr that leads -- * to cache aliasing problems. x86_64 kernels between 2.6.0 and 2.6.10 will -- * force a kernel BUG_ON() when this condition is encountered. For this -- * reason, the NVIDIA driver is very careful about not using the CPA kernel -- * interface on these kernels. -- * -- * Some distributions have backported this fix to kernel versions that fall -- * within this version range. The NVIDIA driver attempts to automatically -- * detect these fixes and reenable usage of the change_page_attr interface. -- * -- * Due to the serious nature of the problems that can arise from this, the -- * NVIDIA driver implements a manual registry key to force usage of this API -- * to be enabled or disabled. This registry key can be used to force usage -- * of the API on a known fixed kernel if the NVIDIA driver fails to detect -- * the kernel as fixed. This registry key can also be used to disable usage -- * of the API on a bad kernel that is misdetected as a fixed kernel. -- * -- * The default value is '-1' (use NVIDIA driver default logic) -- * A value of '0' will forcibly disable change_page_attr calls. -- * A value of '1' will forcibly enable change_page_attr calls. -+ * Many kernels have broken implementations of the change_page_attr() -+ * kernel interface that may cause cache aliasing problems. Linux/x86-64 -+ * kernels between 2.6.0 and 2.6.10 may prompt kernel BUG()s due to -+ * improper accounting in the interface's large page management code, for -+ * example. For this reason, the NVIDIA Linux driver is very careful about -+ * not using the change_page_attr() kernel interface on these kernels. -+ * -+ * Due to the serious nature of the problems that can arise from bugs in -+ * the change_page_attr(), set_pages_{uc,wb}() and other kernel interfaces -+ * used to modify memory types, the NVIDIA driver implements a manual -+ * registry key override to allow forcibly enabling or disabling use of -+ * these APIs. -+ * -+ * Possible values: -+ * -+ * ~0 = use the NVIDIA driver's default logic (default) -+ * 0 = enable use of change_page_attr(), etc. -+ * 1 = disable use of change_page_attr(), etc. -+ * -+ * By default, the NVIDIA driver will attempt to auto-detect if it can -+ * safely use the change_page_attr() and other kernel interfaces to modify -+ * the memory types of kernel mappings. - */ - --#define __NV_USE_CPA UseCPA --#define NV_REG_USE_CPA NV_REG_STRING(__NV_USE_CPA) -+#define __NV_UPDATE_MEMORY_TYPES UpdateMemoryTypes -+#define NV_REG_UPDATE_MEMORY_TYPES NV_REG_STRING(__NV_UPDATE_MEMORY_TYPES) - - /* - * Option: RegistryDwords -@@ -490,7 +492,7 @@ - NV_DEFINE_REG_ENTRY(__NV_DEVICE_FILE_GID, 0); - NV_DEFINE_REG_ENTRY(__NV_DEVICE_FILE_MODE, 0666); - NV_DEFINE_REG_ENTRY(__NV_REMAP_LIMIT, 0); --NV_DEFINE_REG_ENTRY(__NV_USE_CPA, -1); -+NV_DEFINE_REG_ENTRY(__NV_UPDATE_MEMORY_TYPES, ~0); - NV_DEFINE_REG_ENTRY(__NV_USE_VBIOS, 1); - NV_DEFINE_REG_ENTRY(__NV_RM_EDGE_INTR_CHECK, 1); - -@@ -535,7 +537,7 @@ - NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_DEVICE_FILE_GID), - NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_DEVICE_FILE_MODE), - NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_REMAP_LIMIT), -- NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_USE_CPA), -+ NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_UPDATE_MEMORY_TYPES), - NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_USE_VBIOS), - NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_RM_EDGE_INTR_CHECK), - {NULL, NULL, NULL} -diff -ru usr/src/nv/nv-vm.c usr/src/nv.2286310/nv-vm.c ---- usr/src/nv/nv-vm.c 2008-03-16 14:13:09.000000000 -0700 -+++ usr/src/nv.2286310/nv-vm.c 2008-03-16 14:37:47.204131496 -0700 -@@ -43,42 +43,40 @@ - } - #endif - --/* -- * AMD Athlon processors expose a subtle bug in the Linux -- * kernel, that may lead to AGP memory corruption. Recent -- * kernel versions had a workaround for this problem, but -- * 2.4.20 is the first kernel to address it properly. The -- * page_attr API provides the means to solve the problem. -- */ -- - static inline void nv_set_page_attrib_uncached(nv_pte_t *page_ptr) - { --#if defined(NV_CHANGE_PAGE_ATTR_PRESENT) -- if (nv_use_cpa) -+ if (nv_update_memory_types) - { -- struct page *page = virt_to_page(__va(page_ptr->phys_addr)); -+#if defined(NV_SET_PAGES_UC_PRESENT) -+ struct page *page = NV_GET_PAGE_STRUCT(page_ptr->phys_addr); -+ set_pages_uc(page, 1); -+#elif defined(NV_CHANGE_PAGE_ATTR_PRESENT) -+ struct page *page = NV_GET_PAGE_STRUCT(page_ptr->phys_addr); - pgprot_t prot = PAGE_KERNEL_NOCACHE; - #if defined(NVCPU_X86) || defined(NVCPU_X86_64) - pgprot_val(prot) &= __nv_supported_pte_mask; - #endif - change_page_attr(page, 1, prot); -- } - #endif -+ } - } - - static inline void nv_set_page_attrib_cached(nv_pte_t *page_ptr) - { --#if defined(NV_CHANGE_PAGE_ATTR_PRESENT) -- if (nv_use_cpa) -+ if (nv_update_memory_types) - { -- struct page *page = virt_to_page(__va(page_ptr->phys_addr)); -+#if defined(NV_SET_PAGES_UC_PRESENT) -+ struct page *page = NV_GET_PAGE_STRUCT(page_ptr->phys_addr); -+ set_pages_wb(page, 1); -+#elif defined(NV_CHANGE_PAGE_ATTR_PRESENT) -+ struct page *page = NV_GET_PAGE_STRUCT(page_ptr->phys_addr); - pgprot_t prot = PAGE_KERNEL; - #if defined(NVCPU_X86) || defined(NVCPU_X86_64) - pgprot_val(prot) &= __nv_supported_pte_mask; - #endif - change_page_attr(page, 1, prot); -+#endif - } --#endif /* NV_CHANGE_PAGE_ATTR_PRESENT */ - } - - static inline void nv_lock_page(nv_pte_t *page_ptr) -@@ -360,7 +358,8 @@ - #if defined(NV_CPA_NEEDS_FLUSHING) - nv_execute_on_all_cpus(cache_flush, NULL); - #endif --#if defined (NVCPU_X86) || defined (NVCPU_X86_64) -+#if (defined(NVCPU_X86) || defined(NVCPU_X86_64)) && \ -+ defined(NV_CHANGE_PAGE_ATTR_PRESENT) - global_flush_tlb(); - #endif - nv_ext_flush_caches(); // handle other platform flushes if present -@@ -662,7 +661,7 @@ - - address = (unsigned long)virt_addr + i * PAGE_SIZE; - -- pgd = NV_PGD_OFFSET(address, 1, &init_mm); -+ pgd = NV_PGD_OFFSET(address, 1, NULL); - if (!NV_PGD_PRESENT(pgd)) - goto failed; - -diff -ru usr/src/nv/nv.c usr/src/nv.2286310/nv.c ---- usr/src/nv/nv.c 2008-03-16 14:13:09.000000000 -0700 -+++ usr/src/nv.2286310/nv.c 2008-03-16 14:37:47.208131723 -0700 -@@ -15,6 +15,7 @@ - #include "nv_compiler.h" - #include "os-agp.h" - #include "nv-vm.h" -+#include "nv-reg.h" - - #ifdef MODULE_ALIAS_CHARDEV_MAJOR - MODULE_ALIAS_CHARDEV_MAJOR(NV_MAJOR_DEVICE_NUMBER); -@@ -116,10 +117,7 @@ - unsigned int nv_remap_limit; - #endif - --#if defined(NV_CHANGE_PAGE_ATTR_PRESENT) --int nv_use_cpa = 1; --#endif -- -+int nv_update_memory_types = 1; - static int nv_mmconfig_failure_detected = 0; - - static void *nv_pte_t_cache = NULL; -@@ -1030,30 +1028,26 @@ - #endif /* defined(NV_BUILD_NV_PAT_SUPPORT) */ - } - -- - #if defined(NV_CHANGE_PAGE_ATTR_BUG_PRESENT) -- --/* nv_verify_cpa_interface - determine if the change_page_attr bug is fixed -- * in this kernel. -+/* -+ * nv_verify_cpa_interface() - determine if the change_page_attr() large page -+ * management accounting bug known to exist in early Linux/x86-64 kernels -+ * is present in this kernel. - * -- * there's really not a good way to determine if change_page_attr is fixed. -- * we can't really use cpa on 2.6 x86_64 kernels < 2.6.11, as if we run into -- * the accounting bug, the kernel will throw a BUG. this isn't 100% accurate, -- * as it doesn't throw a bug until we try to restore the caching attributes -- * of the page. so if we can track down a 4M allocation, we can mark it -- * uncached and see if the accounting was done correctly. -- * -- * this is a little ugly, but the most accurate approach to determining if -- * this kernel is good. -+ * There's really no good way to determine if change_page_attr() is working -+ * correctly. We can't reliably use change_page_attr() on Linux/x86-64 2.6 -+ * kernels < 2.6.11: if we run into the accounting bug, the Linux kernel will -+ * trigger a BUG() if we attempt to restore the WB memory type of a page -+ * originally part of a large page. - * -- * why do we even bother? some distributions have back-ported the cpa fix to -- * kernels < 2.6.11. we want to use change_page_attr to avoid random corruption -- * and hangs, but need to make sure it's safe to do so. -+ * So if we can successfully allocate such a page, change its memory type to -+ * UC and check if the accounting was done correctly, we can determine if -+ * the change_page_attr() interface can be used safely. - * -- * return values: -- * 0 - test passed, interface works -- * 1 - test failed, status unclear -- * -1 - test failed, interface broken -+ * Return values: -+ * 0 - test passed, the change_page_attr() interface works -+ * 1 - test failed, the status is unclear -+ * -1 - test failed, the change_page_attr() interface is broken - */ - - static inline pte_t *check_large_page(unsigned long vaddr) -@@ -1061,7 +1055,7 @@ - pgd_t *pgd = NULL; - pmd_t *pmd = NULL; - -- pgd = NV_PGD_OFFSET(vaddr, 1, &init_mm); -+ pgd = NV_PGD_OFFSET(vaddr, 1, NULL); - if (!NV_PGD_PRESENT(pgd)) - return NULL; - -@@ -1171,20 +1165,29 @@ - - return 1; - } -- - #endif /* defined(NV_CHANGE_PAGE_ATTR_BUG_PRESENT) */ - -- --// verify that the kernel's mapping matches the requested type --// this is to protect against accidental cache aliasing problems -+/* -+ * nv_verify_page_mappings() - verify that the kernel mapping of the specified -+ * page matches the specified type. This is to help detect bugs in the Linux -+ * kernel's change_page_attr() interface, early. -+ * -+ * This function relies on the ability to perform kernel virtul address to PFN -+ * translations and therefore on 'init_mm'. Unfortunately, the latter is no -+ * longer exported in recent Linux/x86 2.6 kernels. The export was removed at -+ * roughtly the same time as the set_pages_{uc,wb}() change_page_attr() -+ * replacement interfaces were introduced; hopefully, it will be sufficient to -+ * check for their presence. -+ */ - int nv_verify_page_mappings( - nv_pte_t *page_ptr, - unsigned int cachetype - ) - { -+#if defined(NV_CHANGE_PAGE_ATTR_PRESENT) || \ -+ (defined(NV_SET_PAGES_UC_PRESENT) && !defined(NVCPU_X86)) - unsigned long retval = -1; - #if defined(NVCPU_X86) || defined(NVCPU_X86_64) -- struct mm_struct *mm; - pgd_t *pgd = NULL; - pmd_t *pmd = NULL; - pte_t *pte = NULL; -@@ -1192,15 +1195,12 @@ - unsigned long address; - static int count = 0; - --#if defined(NV_CHANGE_PAGE_ATTR_PRESENT) -- if (!nv_use_cpa) -+ if (!nv_update_memory_types) - return 0; --#endif - - address = (unsigned long)__va(page_ptr->phys_addr); -- mm = &init_mm; // always a kernel page - -- pgd = NV_PGD_OFFSET(address, 1, mm); -+ pgd = NV_PGD_OFFSET(address, 1, NULL); - if (!NV_PGD_PRESENT(pgd)) - { - nv_printf(NV_DBG_ERRORS, "NVRM: pgd not present for addr 0x%lx\n", address); -@@ -1266,8 +1266,11 @@ - } - - failed: --#endif -+#endif /* defined(NVCPU_X86) || defined(NVCPU_X86_64) */ - return retval; -+#else -+ return 0; -+#endif - } - - #if defined(NV_BUILD_NV_PAT_SUPPORT) && defined(CONFIG_HOTPLUG_CPU) -@@ -1313,7 +1316,7 @@ - static int __init nvidia_init_module(void) - { - int rc; -- U032 i, count; -+ U032 i, count, data; - nv_state_t *nv = NV_STATE_PTR(&nv_ctl_device); - nv_stack_t *sp = NULL; - -@@ -1485,43 +1488,42 @@ - /* create /proc/driver/nvidia */ - nvos_proc_create(); - --#if defined(NV_CHANGE_PAGE_ATTR_PRESENT) -+ /* -+ * Give users an opportunity to disable the driver's use of -+ * the change_page_attr() and set_pages_{uc,wb}() kernel -+ * interfaces. -+ */ -+ rc = rm_read_registry_dword(sp, nv, -+ "NVreg", NV_REG_UPDATE_MEMORY_TYPES, &data); -+ if ((rc == 0) && ((int)data != ~0)) - { -- int data; -- -- // allow the user to override us with a registry key -- rc = rm_read_registry_dword(sp, nv, "NVreg", "UseCPA", &data); -- if ((rc == 0) && (data != -1)) -- { -- nv_use_cpa = data; -- } -+ nv_update_memory_types = data; -+ } - #if defined(NV_CHANGE_PAGE_ATTR_BUG_PRESENT) -- else -+ /* -+ * Unless we explicitely detect that the change_page_attr() -+ * inteface is fixed, disable usage of the interface on -+ * this kernel. Notify the user of this problem using the -+ * driver's /proc warnings interface (read by the installer -+ * and the bug report script). -+ */ -+ else -+ { -+ rc = nv_verify_cpa_interface(); -+ if (rc < 0) - { -- /* -- * Unless we explicitely detect that the change_page_attr() -- * inteface is fixed, disable usage of the interface on -- * this kernel. Notify the user of this problem using the -- * driver's /proc warnings interface (read by the installer -- * and the bug report script). -- */ -- rc = nv_verify_cpa_interface(); -- if (rc < 0) -- { -- nv_prints(NV_DBG_ERRORS, __cpgattr_warning); -- nvos_proc_add_warning_file("change_page_attr", __cpgattr_warning); -- nv_use_cpa = 0; -- } -- else if (rc != 0) -- { -- nv_prints(NV_DBG_ERRORS, __cpgattr_warning_2); -- nvos_proc_add_warning_file("change_page_attr", __cpgattr_warning_2); -- nv_use_cpa = 0; -- } -+ nv_prints(NV_DBG_ERRORS, __cpgattr_warning); -+ nvos_proc_add_warning_file("change_page_attr", __cpgattr_warning); -+ nv_update_memory_types = 0; -+ } -+ else if (rc != 0) -+ { -+ nv_prints(NV_DBG_ERRORS, __cpgattr_warning_2); -+ nvos_proc_add_warning_file("change_page_attr", __cpgattr_warning_2); -+ nv_update_memory_types = 0; - } --#endif - } --#endif -+#endif /* defined(NV_CHANGE_PAGE_ATTR_BUG_PRESENT) */ - - #if defined(NVCPU_X86_64) && defined(CONFIG_IA32_EMULATION) && !defined(HAVE_COMPAT_IOCTL) - /* Register ioctl()'s for 32-bit clients */ -@@ -3482,8 +3484,21 @@ - pte_t *pte = NULL; - NvU64 retval; - -- mm = (kern) ? &init_mm : current->mm; -- if (!kern) down_read(¤t->mm->mmap_sem); -+ if (!kern) -+ { -+ mm = current->mm; -+ down_read(&mm->mmap_sem); -+ } -+ else -+ { -+#if defined(NV_SET_PAGES_UC_PRESENT) && defined(NVCPU_X86) -+ /* nv_printf(NV_DBG_ERRORS, -+ "NVRM: can't translate KVA in nv_get_phys_address()!\n"); */ -+ return 0; -+#else -+ mm = NULL; -+#endif -+ } - - pgd = NV_PGD_OFFSET(address, kern, mm); - if (!NV_PGD_PRESENT(pgd)) -@@ -3504,22 +3519,24 @@ - retval &= ~_PAGE_NX; - #endif - -- if (!kern) up_read(¤t->mm->mmap_sem); -+ if (!kern) -+ up_read(&mm->mmap_sem); - return retval; - - failed: -- if (!kern) up_read(¤t->mm->mmap_sem); -+ if (!kern) -+ up_read(&mm->mmap_sem); - return 0; - } - - NvU64 NV_API_CALL nv_get_kern_phys_address(NvU64 address) - { -- // make sure this address is a kernel pointer -+ /* make sure this address is a kernel virtual address */ - #if defined(DEBUG) && !defined(CONFIG_X86_4G) - if (address < PAGE_OFFSET) - { - nv_printf(NV_DBG_WARNINGS, -- "NVRM: user address passed to get_kern_phys_address: 0x%lx\n", -+ "NVRM: user address passed to get_kern_phys_address: 0x%llx!\n", - address); - return 0; - } -@@ -3534,12 +3551,12 @@ - - NvU64 NV_API_CALL nv_get_kern_user_address(NvU64 address) - { -- // make sure this address is not a kernel pointer -+ /* make sure this address is not a kernel virtual address */ - #if defined(DEBUG) && !defined(CONFIG_X86_4G) - if (address >= PAGE_OFFSET) - { - nv_printf(NV_DBG_WARNINGS, -- "NVRM: kernel address passed to get_user_phys_address: 0x%lx\n", -+ "NVRM: kernel address passed to get_user_phys_address: 0x%llx!\n", - address); - return 0; - } -@@ -4316,16 +4333,12 @@ - return -1; - } - --int NV_API_CALL nv_no_incoherent_mappings --( -- void --) -+int NV_API_CALL nv_no_incoherent_mappings(void) - { - if(nv_ext_no_incoherent_mappings() == 1) - return 1; -- --#if defined(NV_CHANGE_PAGE_ATTR_PRESENT) -- return 1; -+#if defined(NV_CHANGE_PAGE_ATTR_PRESENT) || defined(NV_SET_PAGES_UC_PRESENT) -+ return (nv_update_memory_types); - #else - return 0; - #endif -diff -ru usr/src/nv/os-interface.c usr/src/nv.2286310/os-interface.c ---- usr/src/nv/os-interface.c 2008-03-16 14:13:09.000000000 -0700 -+++ usr/src/nv.2286310/os-interface.c 2008-03-16 14:37:47.208131723 -0700 -@@ -1198,6 +1198,18 @@ - { - void *vaddr; - -+ if (start == 0) -+ { -+ if (mode != NV_MEMORY_CACHED) -+ { -+ nv_printf(NV_DBG_ERRORS, -+ "NVRM: os_map_kernel_space: won't map address 0x%0llx UC!\n", start); -+ return NULL; -+ } -+ else -+ return (void *)PAGE_OFFSET; -+ } -+ - if (!NV_MAY_SLEEP()) - { - nv_printf(NV_DBG_ERRORS, -@@ -1230,6 +1242,9 @@ - NvU64 size_bytes - ) - { -+ if (addr == (void *)PAGE_OFFSET) -+ return; -+ - NV_IOUNMAP(addr, size_bytes); - } -