app-emulation/virtualbox-modules: remove unused patch

Closes: https://github.com/gentoo/gentoo/pull/20505
Package-Manager: Portage-3.0.18, Repoman-3.0.3
Signed-off-by: Michael Mair-Keimberger <mmk@levelnine.at>
Signed-off-by: Conrad Kostecki <conikost@gentoo.org>

1 files changed, 0 insertions, 96 deletions

diff --git a/app-emulation/virtualbox-modules/files/virtualbox-modules-6.1.16-linux-5.10-r0drv-memobj-fix-r0.patch b/app-emulation/virtualbox-modules/files/virtualbox-modules-6.1.16-linux-5.10-r0drv-memobj-fix-r0.patch
deleted file mode 100644
index 168d7c24f5a3..000000000000
--- a/app-emulation/virtualbox-modules/files/virtualbox-modules-6.1.16-linux-5.10-r0drv-memobj-fix-r0.patch
+++ /dev/null
@@ -1,96 +0,0 @@
-Index: vboxdrv/r0drv/linux/memobj-r0drv-linux.c
-===================================================================
---- a/vboxdrv/r0drv/linux/memobj-r0drv-linux.c
-+++ b/vboxdrv/r0drv/linux/memobj-r0drv-linux.c
-@@ -56,9 +56,12 @@
-  * 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
-+#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
-@@ -502,7 +505,43 @@
- }
- 
- 
-+#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.
-+ */
-+static DECLCALLBACK(int) rtR0MemObjLinuxApplyPageRange(pte_t *pPte, unsigned long uAddr, void *pvUser)
-+{
-+    PCLNXAPPLYPGRANGE pArgs = (PCLNXAPPLYPGRANGE)pvUser;
-+    PRTR0MEMOBJLNX pMemLnx = pArgs->pMemLnx;
-+    uint32_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.
-  *
-  * This will update the RTR0MEMOBJLNX::Core.pv and RTR0MEMOBJ::fMappedToRing0 members.
-@@ -584,6 +623,11 @@
-         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 +1895,21 @@
-         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);