Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted

Pull media updates from Mauro Carvalho Chehab:

 - v4l2-core: added ISP statistics support and per-block validation

 - v4l2-core: Allow unknown HDR10 white point and luminance

 - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor

 - New codec: Milos: VPU v2.0 codec support

 - isp driver: gained support for Dreamchip RPPX1 ISP framework

 - vsp1 driver: gained support for RZ/T2H and RZ/N2H

 - Novalake driver: gained CVS support for new NVL hardware

 - dvb-core: fix feed leak on failed DMX_ADD_PID

 - several driver fixes, cleanups and minor improvements

* tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
  media: ipu-bridge: check all DMI entries when overriding sensor rotation
  media: v4l2-async: avoid deleting unlinked ASC entry on link error
  media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement
  media: intel/ipu6: fix async notifier cleanup leak on parse error
  media: staging/ipu7: fix async notifier UAF on probe error path
  media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path
  media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem()
  media: rcar-isp: Fix VSPX reference leaks
  media: rcar-isp: Release ISPCORE resources
  media: i2c: imx415: Release runtime PM reference on VBLANK error
  media: i2c: imx415: Return test pattern write errors
  media: renesas: vsp1: Declare index variables in for loop statement
  media: renesas: vsp1: Make reset control optional to support platforms without a reset line
  media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs
  media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs
  media: nxp: imx8-isi: Add additional 32-bit RGB format support
  media: nxp: imx8-isi: Add 16-bit raw Bayer format support
  media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams
  media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks
  media: nxp: imx8-isi: Correct color map between V4L2 and ISI
  ...

1 files changed, 131 insertions, 0 deletions

diff --git a/tools/testing/vma/shared.c b/tools/testing/vma/shared.c
new file mode 100644
index 000000000..2565a5aec
--- /dev/null
+++ b/tools/testing/vma/shared.c
@@ -0,0 +1,131 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "shared.h"
+
+
+bool fail_prealloc;
+unsigned long mmap_min_addr = CONFIG_DEFAULT_MMAP_MIN_ADDR;
+unsigned long dac_mmap_min_addr = CONFIG_DEFAULT_MMAP_MIN_ADDR;
+unsigned long stack_guard_gap = 256UL<<PAGE_SHIFT;
+
+const struct vm_operations_struct vma_dummy_vm_ops;
+struct anon_vma dummy_anon_vma;
+struct task_struct __current;
+
+struct vm_area_struct *alloc_vma(struct mm_struct *mm,
+		unsigned long start, unsigned long end,
+		pgoff_t pgoff, vma_flags_t vma_flags)
+{
+	struct vm_area_struct *vma = vm_area_alloc(mm);
+
+	if (vma == NULL)
+		return NULL;
+
+	vma->vm_start = start;
+	vma->vm_end = end;
+	vma->vm_pgoff = pgoff;
+	vma->flags = vma_flags;
+	vma_assert_detached(vma);
+
+	return vma;
+}
+
+void detach_free_vma(struct vm_area_struct *vma)
+{
+	vma_mark_detached(vma);
+	vm_area_free(vma);
+}
+
+struct vm_area_struct *alloc_and_link_vma(struct mm_struct *mm,
+		unsigned long start, unsigned long end,
+		pgoff_t pgoff, vma_flags_t vma_flags)
+{
+	struct vm_area_struct *vma = alloc_vma(mm, start, end, pgoff, vma_flags);
+
+	if (vma == NULL)
+		return NULL;
+
+	if (attach_vma(mm, vma)) {
+		detach_free_vma(vma);
+		return NULL;
+	}
+
+	/*
+	 * Reset this counter which we use to track whether writes have
+	 * begun. Linking to the tree will have caused this to be incremented,
+	 * which means we will get a false positive otherwise.
+	 */
+	vma->vm_lock_seq = UINT_MAX;
+
+	return vma;
+}
+
+void reset_dummy_anon_vma(void)
+{
+	dummy_anon_vma.was_cloned = false;
+	dummy_anon_vma.was_unlinked = false;
+}
+
+int cleanup_mm(struct mm_struct *mm, struct vma_iterator *vmi)
+{
+	struct vm_area_struct *vma;
+	int count = 0;
+
+	fail_prealloc = false;
+	reset_dummy_anon_vma();
+
+	vma_iter_set(vmi, 0);
+	for_each_vma(*vmi, vma) {
+		detach_free_vma(vma);
+		count++;
+	}
+
+	mtree_destroy(&mm->mm_mt);
+	mm->map_count = 0;
+	return count;
+}
+
+bool vma_write_started(struct vm_area_struct *vma)
+{
+	int seq = vma->vm_lock_seq;
+
+	/* We reset after each check. */
+	vma->vm_lock_seq = UINT_MAX;
+
+	/* The vma_start_write() stub simply increments this value. */
+	return seq > -1;
+}
+
+void __vma_set_dummy_anon_vma(struct vm_area_struct *vma,
+		struct anon_vma_chain *avc, struct anon_vma *anon_vma)
+{
+	vma->anon_vma = anon_vma;
+	INIT_LIST_HEAD(&vma->anon_vma_chain);
+	list_add(&avc->same_vma, &vma->anon_vma_chain);
+	avc->anon_vma = vma->anon_vma;
+}
+
+void vma_set_dummy_anon_vma(struct vm_area_struct *vma,
+		struct anon_vma_chain *avc)
+{
+	__vma_set_dummy_anon_vma(vma, avc, &dummy_anon_vma);
+}
+
+struct task_struct *get_current(void)
+{
+	return &__current;
+}
+
+unsigned long rlimit(unsigned int limit)
+{
+	return (unsigned long)-1;
+}
+
+void vma_set_range(struct vm_area_struct *vma,
+		   unsigned long start, unsigned long end,
+		   pgoff_t pgoff)
+{
+	vma->vm_start = start;
+	vma->vm_end = end;
+	vma->vm_pgoff = pgoff;
+}