1 files changed, 0 insertions, 119 deletions
diff --git a/meta-oe/recipes-support/vboxguestdrivers/vboxguestdrivers/0001-Runtime-memobj-r0drv-linux.c-Changes-to-support-the-.patch b/meta-oe/recipes-support/vboxguestdrivers/vboxguestdrivers/0001-Runtime-memobj-r0drv-linux.c-Changes-to-support-the-.patch
deleted file mode 100644
index db27cb883b..0000000000
--- a/meta-oe/recipes-support/vboxguestdrivers/vboxguestdrivers/0001-Runtime-memobj-r0drv-linux.c-Changes-to-support-the-.patch
+++ /dev/null
@@ -1,119 +0,0 @@
-From 2a6e3cf63f58e289802a11faad5fb495e2d04e97 Mon Sep 17 00:00:00 2001
-From: vboxsync <vboxsync@cfe28804-0f27-0410-a406-dd0f0b0b656f>
-Date: Wed, 9 Dec 2020 18:59:04 +0000
-Subject: [PATCH] Runtime/memobj-r0drv-linux.c: Changes to support the upcoming
- 5.10 kernel, bugref:9879
-
-Upstream-Status: Backport
-
-git-svn-id: http://www.virtualbox.org/svn/vbox@87074 cfe28804-0f27-0410-a406-dd0f0b0b656f
-
-Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
----
- .../Runtime/r0drv/linux/memobj-r0drv-linux.c  | 68 ++++++++++++++++++-
- 1 file changed, 67 insertions(+), 1 deletion(-)
-
---- a/src/VBox/Runtime/r0drv/linux/memobj-r0drv-linux.c
-+++ b/src/VBox/Runtime/r0drv/linux/memobj-r0drv-linux.c
-@@ -56,9 +56,19 @@
-  * Whether we use alloc_vm_area (3.2+) for executable memory.
-  * This is a must for 5.8+, but we enable it all the way back to 3.2.x for
-  * better W^R compliance (fExecutable flag). */
--#if RTLNX_VER_MIN(3,2,0) || defined(DOXYGEN_RUNNING)
-+#if RTLNX_VER_RANGE(3,2,0, 5,10,0) || defined(DOXYGEN_RUNNING)
- # define IPRT_USE_ALLOC_VM_AREA_FOR_EXEC
- #endif
-+/** @def IPRT_USE_APPLY_TO_PAGE_RANGE_FOR_EXEC
-+ * alloc_vm_area was removed with 5.10 so we have to resort to a different way
-+ * to allocate executable memory.
-+ * It would be possible to remove IPRT_USE_ALLOC_VM_AREA_FOR_EXEC and use
-+ * this path execlusively for 3.2+ but no time to test it really works on every
-+ * supported kernel, so better play safe for now.
-+ */
-+#if RTLNX_VER_MIN(5,10,0) || defined(DOXYGEN_RUNNING)
-+# define IPRT_USE_APPLY_TO_PAGE_RANGE_FOR_EXEC
-+#endif
- 
- /*
-  * 2.6.29+ kernels don't work with remap_pfn_range() anymore because
-@@ -502,6 +512,46 @@ static void rtR0MemObjLinuxFreePages(PRT
- }
- 
- 
-+#ifdef IPRT_USE_APPLY_TO_PAGE_RANGE_FOR_EXEC
-+/**
-+ * User data passed to the apply_to_page_range() callback.
-+ */
-+typedef struct LNXAPPLYPGRANGE
-+{
-+    /** Pointer to the memory object. */
-+    PRTR0MEMOBJLNX pMemLnx;
-+    /** The page protection flags to apply. */
-+    pgprot_t       fPg;
-+} LNXAPPLYPGRANGE;
-+/** Pointer to the user data. */
-+typedef LNXAPPLYPGRANGE *PLNXAPPLYPGRANGE;
-+/** Pointer to the const user data. */
-+typedef const LNXAPPLYPGRANGE *PCLNXAPPLYPGRANGE;
-+
-+/**
-+ * Callback called in apply_to_page_range().
-+ *
-+ * @returns Linux status code.
-+ * @param   pPte                Pointer to the page table entry for the given address.
-+ * @param   uAddr               The address to apply the new protection to.
-+ * @param   pvUser              The opaque user data.
-+ */
-+#ifdef __i386__
-+static int rtR0MemObjLinuxApplyPageRange(pte_t *pPte, unsigned long uAddr, void *pvUser)
-+#else
-+static DECLCALLBACK(int) rtR0MemObjLinuxApplyPageRange(pte_t *pPte, unsigned long uAddr, void *pvUser)
-+#endif
-+{
-+    PCLNXAPPLYPGRANGE pArgs = (PCLNXAPPLYPGRANGE)pvUser;
-+    PRTR0MEMOBJLNX pMemLnx = pArgs->pMemLnx;
-+    size_t idxPg = (uAddr - (unsigned long)pMemLnx->Core.pv) >> PAGE_SHIFT;
-+
-+    set_pte(pPte, mk_pte(pMemLnx->apPages[idxPg], pArgs->fPg));
-+    return 0;
-+}
-+#endif
-+
-+
- /**
-  * Maps the allocation into ring-0.
-  *
-@@ -584,6 +634,11 @@ static int rtR0MemObjLinuxVMap(PRTR0MEMO
-         else
- # endif
-         {
-+#  if defined(IPRT_USE_APPLY_TO_PAGE_RANGE_FOR_EXEC)
-+            if (fExecutable)
-+                pgprot_val(fPg) |= _PAGE_NX; /* Uses RTR0MemObjProtect to clear NX when memory ready, W^X fashion. */
-+#  endif
-+
- # ifdef VM_MAP
-             pMemLnx->Core.pv = vmap(&pMemLnx->apPages[0], pMemLnx->cPages, VM_MAP, fPg);
- # else
-@@ -1851,6 +1906,21 @@ DECLHIDDEN(int) rtR0MemObjNativeProtect(
-         preempt_enable();
-         return VINF_SUCCESS;
-     }
-+# elif defined(IPRT_USE_APPLY_TO_PAGE_RANGE_FOR_EXEC)
-+    PRTR0MEMOBJLNX pMemLnx = (PRTR0MEMOBJLNX)pMem;
-+    if (   pMemLnx->fExecutable
-+        && pMemLnx->fMappedToRing0)
-+    {
-+        LNXAPPLYPGRANGE Args;
-+        Args.pMemLnx = pMemLnx;
-+        Args.fPg = rtR0MemObjLinuxConvertProt(fProt, true /*fKernel*/);
-+        int rcLnx = apply_to_page_range(current->active_mm, (unsigned long)pMemLnx->Core.pv + offSub, cbSub,
-+                                        rtR0MemObjLinuxApplyPageRange, (void *)&Args);
-+        if (rcLnx)
-+            return VERR_NOT_SUPPORTED;
-+
-+        return VINF_SUCCESS;
-+    }
- # endif
- 
-     NOREF(pMem);