Module Name:    src
Committed By:   riastradh
Date:           Sun Dec 19 12:00:57 UTC 2021

Modified Files:
        src/sys/external/bsd/drm2/dist/drm/i915/gem: i915_gem_pages.c

Log Message:
i915: Zero the kernel's ptes before freeing the va.


To generate a diff of this commit:
cvs rdiff -u -r1.5 -r1.6 \
    src/sys/external/bsd/drm2/dist/drm/i915/gem/i915_gem_pages.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/external/bsd/drm2/dist/drm/i915/gem/i915_gem_pages.c
diff -u src/sys/external/bsd/drm2/dist/drm/i915/gem/i915_gem_pages.c:1.5 src/sys/external/bsd/drm2/dist/drm/i915/gem/i915_gem_pages.c:1.6
--- src/sys/external/bsd/drm2/dist/drm/i915/gem/i915_gem_pages.c:1.5	Sun Dec 19 11:33:30 2021
+++ src/sys/external/bsd/drm2/dist/drm/i915/gem/i915_gem_pages.c	Sun Dec 19 12:00:57 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: i915_gem_pages.c,v 1.5 2021/12/19 11:33:30 riastradh Exp $	*/
+/*	$NetBSD: i915_gem_pages.c,v 1.6 2021/12/19 12:00:57 riastradh Exp $	*/
 
 /*
  * SPDX-License-Identifier: MIT
@@ -7,7 +7,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: i915_gem_pages.c,v 1.5 2021/12/19 11:33:30 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: i915_gem_pages.c,v 1.6 2021/12/19 12:00:57 riastradh Exp $");
 
 #include "i915_drv.h"
 #include "i915_gem_object.h"
@@ -171,6 +171,8 @@ static void __i915_gem_object_reset_page
 static void unmap_object(struct drm_i915_gem_object *obj, void *ptr)
 {
 #ifdef __NetBSD__
+	pmap_kremove((vaddr_t)ptr, obj->base.size);
+	pmap_update(pmap_kernel());
 	uvm_km_free(kernel_map, (vaddr_t)ptr, obj->base.size, UVM_KMF_VAONLY);
 #else
 	if (is_vmalloc_addr(ptr))

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