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, 179 insertions, 0 deletions

diff --git a/fs/dlm/memory.c b/fs/dlm/memory.c
new file mode 100644
index 000000000..ee55994ce
--- /dev/null
+++ b/fs/dlm/memory.c
@@ -0,0 +1,179 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/******************************************************************************
+*******************************************************************************
+**
+**  Copyright (C) Sistina Software, Inc.  1997-2003  All rights reserved.
+**  Copyright (C) 2004-2007 Red Hat, Inc.  All rights reserved.
+**
+**
+*******************************************************************************
+******************************************************************************/
+
+#include "dlm_internal.h"
+#include "midcomms.h"
+#include "lowcomms.h"
+#include "config.h"
+#include "memory.h"
+#include "ast.h"
+
+static struct kmem_cache *writequeue_cache;
+static struct kmem_cache *mhandle_cache;
+static struct kmem_cache *msg_cache;
+static struct kmem_cache *lkb_cache;
+static struct kmem_cache *rsb_cache;
+static struct kmem_cache *cb_cache;
+
+
+int __init dlm_memory_init(void)
+{
+	writequeue_cache = dlm_lowcomms_writequeue_cache_create();
+	if (!writequeue_cache)
+		goto out;
+
+	mhandle_cache = dlm_midcomms_cache_create();
+	if (!mhandle_cache)
+		goto mhandle;
+
+	lkb_cache = kmem_cache_create("dlm_lkb", sizeof(struct dlm_lkb),
+				__alignof__(struct dlm_lkb), 0, NULL);
+	if (!lkb_cache)
+		goto lkb;
+
+	msg_cache = dlm_lowcomms_msg_cache_create();
+	if (!msg_cache)
+		goto msg;
+
+	rsb_cache = kmem_cache_create("dlm_rsb", sizeof(struct dlm_rsb),
+				__alignof__(struct dlm_rsb), 0, NULL);
+	if (!rsb_cache)
+		goto rsb;
+
+	cb_cache = kmem_cache_create_usercopy("dlm_cb", sizeof(struct dlm_callback),
+				     __alignof__(struct dlm_callback), 0,
+					 offsetof(struct dlm_callback, lvbptr),
+					 sizeof_field(struct dlm_callback, lvbptr),
+				     NULL);
+	if (!cb_cache)
+		goto cb;
+
+	return 0;
+
+cb:
+	kmem_cache_destroy(rsb_cache);
+rsb:
+	kmem_cache_destroy(msg_cache);
+msg:
+	kmem_cache_destroy(lkb_cache);
+lkb:
+	kmem_cache_destroy(mhandle_cache);
+mhandle:
+	kmem_cache_destroy(writequeue_cache);
+out:
+	return -ENOMEM;
+}
+
+void dlm_memory_exit(void)
+{
+	rcu_barrier();
+
+	kmem_cache_destroy(writequeue_cache);
+	kmem_cache_destroy(mhandle_cache);
+	kmem_cache_destroy(msg_cache);
+	kmem_cache_destroy(lkb_cache);
+	kmem_cache_destroy(rsb_cache);
+	kmem_cache_destroy(cb_cache);
+}
+
+char *dlm_allocate_lvb(struct dlm_ls *ls)
+{
+	return kzalloc(ls->ls_lvblen, GFP_ATOMIC);
+}
+
+void dlm_free_lvb(char *p)
+{
+	kfree(p);
+}
+
+struct dlm_rsb *dlm_allocate_rsb(void)
+{
+	return kmem_cache_zalloc(rsb_cache, GFP_ATOMIC);
+}
+
+static void __free_rsb_rcu(struct rcu_head *rcu)
+{
+	struct dlm_rsb *r = container_of(rcu, struct dlm_rsb, rcu);
+	if (r->res_lvbptr)
+		dlm_free_lvb(r->res_lvbptr);
+	kmem_cache_free(rsb_cache, r);
+}
+
+void dlm_free_rsb(struct dlm_rsb *r)
+{
+	call_rcu(&r->rcu, __free_rsb_rcu);
+}
+
+struct dlm_lkb *dlm_allocate_lkb(void)
+{
+	return kmem_cache_zalloc(lkb_cache, GFP_ATOMIC);
+}
+
+static void __free_lkb_rcu(struct rcu_head *rcu)
+{
+	struct dlm_lkb *lkb = container_of(rcu, struct dlm_lkb, rcu);
+
+	if (test_bit(DLM_DFL_USER_BIT, &lkb->lkb_dflags)) {
+		struct dlm_user_args *ua;
+		ua = lkb->lkb_ua;
+		if (ua) {
+			kfree(ua->lksb.sb_lvbptr);
+			kfree(ua);
+		}
+	}
+
+	kmem_cache_free(lkb_cache, lkb);
+}
+
+void dlm_free_lkb(struct dlm_lkb *lkb)
+{
+	call_rcu(&lkb->rcu, __free_lkb_rcu);
+}
+
+struct dlm_mhandle *dlm_allocate_mhandle(void)
+{
+	return kmem_cache_alloc(mhandle_cache, GFP_ATOMIC);
+}
+
+void dlm_free_mhandle(struct dlm_mhandle *mhandle)
+{
+	kmem_cache_free(mhandle_cache, mhandle);
+}
+
+struct writequeue_entry *dlm_allocate_writequeue(void)
+{
+	return kmem_cache_alloc(writequeue_cache, GFP_ATOMIC);
+}
+
+void dlm_free_writequeue(struct writequeue_entry *writequeue)
+{
+	kmem_cache_free(writequeue_cache, writequeue);
+}
+
+struct dlm_msg *dlm_allocate_msg(void)
+{
+	return kmem_cache_alloc(msg_cache, GFP_ATOMIC);
+}
+
+void dlm_free_msg(struct dlm_msg *msg)
+{
+	kmem_cache_free(msg_cache, msg);
+}
+
+struct dlm_callback *dlm_allocate_cb(void)
+{
+	return kmem_cache_alloc(cb_cache, GFP_ATOMIC);
+}
+
+void dlm_free_cb(struct dlm_callback *cb)
+{
+	kmem_cache_free(cb_cache, cb);
+}