diff options
Diffstat (limited to 'meta-oe/recipes-support/vboxguestdrivers/vboxguestdrivers/0001-fixes_for_mm_struct.patch')
-rw-r--r-- | meta-oe/recipes-support/vboxguestdrivers/vboxguestdrivers/0001-fixes_for_mm_struct.patch | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/meta-oe/recipes-support/vboxguestdrivers/vboxguestdrivers/0001-fixes_for_mm_struct.patch b/meta-oe/recipes-support/vboxguestdrivers/vboxguestdrivers/0001-fixes_for_mm_struct.patch deleted file mode 100644 index 1ad5ce51bf..0000000000 --- a/meta-oe/recipes-support/vboxguestdrivers/vboxguestdrivers/0001-fixes_for_mm_struct.patch +++ /dev/null @@ -1,176 +0,0 @@ -From 98070c936931879d2b8e22939724b5a0689721d0 Mon Sep 17 00:00:00 2001 -From: Hongxu Jia <hongxu.jia@windriver.com> -Date: Tue, 18 Aug 2020 17:48:29 +0800 -Subject: [PATCH 1/3] fixes_for_mm_struct - -Upstream-Status: Backport [https://www.virtualbox.org/ticket/19644] - -Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com> ---- - .../Runtime/r0drv/linux/memobj-r0drv-linux.c | 74 +++++++++++++++++-- - 1 file changed, 67 insertions(+), 7 deletions(-) - -diff --git a/src/VBox/Runtime/r0drv/linux/memobj-r0drv-linux.c b/src/VBox/Runtime/r0drv/linux/memobj-r0drv-linux.c -index 37389bcc..cdc7e8e6 100644 ---- a/src/VBox/Runtime/r0drv/linux/memobj-r0drv-linux.c -+++ b/src/VBox/Runtime/r0drv/linux/memobj-r0drv-linux.c -@@ -222,9 +222,17 @@ static void *rtR0MemObjLinuxDoMmap(RTR3PTR R3PtrFixed, size_t cb, size_t uAlignm - #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0) - ulAddr = vm_mmap(NULL, R3PtrFixed, cb, fLnxProt, MAP_SHARED | MAP_ANONYMOUS | MAP_FIXED, 0); - #else -+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0) - down_write(&pTask->mm->mmap_sem); -+#else -+ down_write(&pTask->mm->mmap_lock); -+#endif - ulAddr = do_mmap(NULL, R3PtrFixed, cb, fLnxProt, MAP_SHARED | MAP_ANONYMOUS | MAP_FIXED, 0); -+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0) - up_write(&pTask->mm->mmap_sem); -+#else -+ up_write(&pTask->mm->mmap_lock); -+#endif - #endif - } - else -@@ -232,9 +240,17 @@ static void *rtR0MemObjLinuxDoMmap(RTR3PTR R3PtrFixed, size_t cb, size_t uAlignm - #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0) - ulAddr = vm_mmap(NULL, 0, cb, fLnxProt, MAP_SHARED | MAP_ANONYMOUS, 0); - #else -+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0) - down_write(&pTask->mm->mmap_sem); -+#else -+ down_write(&pTask->mm->mmap_lock); -+#endif - ulAddr = do_mmap(NULL, 0, cb, fLnxProt, MAP_SHARED | MAP_ANONYMOUS, 0); -+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0) - up_write(&pTask->mm->mmap_sem); -+#else -+ up_write(&pTask->mm->mmap_lock); -+#endif - #endif - if ( !(ulAddr & ~PAGE_MASK) - && (ulAddr & (uAlignment - 1))) -@@ -269,13 +285,29 @@ static void rtR0MemObjLinuxDoMunmap(void *pv, size_t cb, struct task_struct *pTa - Assert(pTask == current); RT_NOREF_PV(pTask); - vm_munmap((unsigned long)pv, cb); - #elif defined(USE_RHEL4_MUNMAP) -+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0) - down_write(&pTask->mm->mmap_sem); -+#else -+ down_write(&pTask->mm->mmap_lock); -+#endif - do_munmap(pTask->mm, (unsigned long)pv, cb, 0); /* should it be 1 or 0? */ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0) - up_write(&pTask->mm->mmap_sem); - #else -+ up_write(&pTask->mm->mmap_lock); -+#endif -+#else -+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0) - down_write(&pTask->mm->mmap_sem); -+#else -+ down_write(&pTask->mm->mmap_lock); -+#endif - do_munmap(pTask->mm, (unsigned long)pv, cb); -+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0) - up_write(&pTask->mm->mmap_sem); -+#else -+ up_write(&pTask->mm->mmap_lock); -+#endif - #endif - } - -@@ -593,7 +625,11 @@ DECLHIDDEN(int) rtR0MemObjNativeFree(RTR0MEMOBJ pMem) - size_t iPage; - Assert(pTask); - if (pTask && pTask->mm) -- down_read(&pTask->mm->mmap_sem); -+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0) -+ down_read(&pTask->mm->mmap_sem); -+#else -+ down_read(&pTask->mm->mmap_lock); -+#endif - - iPage = pMemLnx->cPages; - while (iPage-- > 0) -@@ -608,7 +644,11 @@ DECLHIDDEN(int) rtR0MemObjNativeFree(RTR0MEMOBJ pMem) - } - - if (pTask && pTask->mm) -- up_read(&pTask->mm->mmap_sem); -+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0) -+ up_read(&pTask->mm->mmap_sem); -+#else -+ up_read(&pTask->mm->mmap_lock); -+#endif - } - /* else: kernel memory - nothing to do here. */ - break; -@@ -1076,7 +1116,11 @@ DECLHIDDEN(int) rtR0MemObjNativeLockUser(PPRTR0MEMOBJINTERNAL ppMem, RTR3PTR R3P - papVMAs = (struct vm_area_struct **)RTMemAlloc(sizeof(*papVMAs) * cPages); - if (papVMAs) - { -- down_read(&pTask->mm->mmap_sem); -+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0) -+ down_read(&pTask->mm->mmap_sem); -+#else -+ down_read(&pTask->mm->mmap_lock); -+#endif - - /* - * Get user pages. -@@ -1162,7 +1206,11 @@ DECLHIDDEN(int) rtR0MemObjNativeLockUser(PPRTR0MEMOBJINTERNAL ppMem, RTR3PTR R3P - papVMAs[rc]->vm_flags |= VM_DONTCOPY | VM_LOCKED; - } - -- up_read(&pTask->mm->mmap_sem); -+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0) -+ up_read(&pTask->mm->mmap_sem); -+#else -+ up_read(&pTask->mm->mmap_lock); -+#endif - - RTMemFree(papVMAs); - -@@ -1189,7 +1237,11 @@ DECLHIDDEN(int) rtR0MemObjNativeLockUser(PPRTR0MEMOBJINTERNAL ppMem, RTR3PTR R3P - #endif - } - -- up_read(&pTask->mm->mmap_sem); -+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0) -+ up_read(&pTask->mm->mmap_sem); -+#else -+ up_read(&pTask->mm->mmap_lock); -+#endif - - RTMemFree(papVMAs); - rc = VERR_LOCK_FAILED; -@@ -1604,7 +1656,11 @@ DECLHIDDEN(int) rtR0MemObjNativeMapUser(PPRTR0MEMOBJINTERNAL ppMem, RTR0MEMOBJ p - const size_t cPages = (offSub + cbSub) >> PAGE_SHIFT; - size_t iPage; - -- down_write(&pTask->mm->mmap_sem); -+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0) -+ down_write(&pTask->mm->mmap_sem); -+#else -+ down_write(&pTask->mm->mmap_lock); -+#endif - - rc = VINF_SUCCESS; - if (pMemLnxToMap->cPages) -@@ -1721,7 +1777,11 @@ DECLHIDDEN(int) rtR0MemObjNativeMapUser(PPRTR0MEMOBJINTERNAL ppMem, RTR0MEMOBJ p - } - #endif /* CONFIG_NUMA_BALANCING */ - -- up_write(&pTask->mm->mmap_sem); -+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0) -+ up_write(&pTask->mm->mmap_sem); -+#else -+ up_write(&pTask->mm->mmap_lock); -+#endif - - if (RT_SUCCESS(rc)) - { --- -2.18.2 - |