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Commit 317b9af9 authored by Bharath's avatar Bharath Committed by Bharath
Browse files

Merge 2022-01-05 SPL into v1-q

parents d2a7c5cf c05f972c

drivers/char/adsprpc.c

+15 −4
Original line number Diff line number Diff line
@@ -351,6 +351,7 @@ struct fastrpc_mmap { 
	int uncached;

	int secure;

	uintptr_t attr;

	bool is_filemap; /*flag to indicate map used in process init*/

};



enum fastrpc_perfkeys {
@@ -406,6 +407,7 @@ struct fastrpc_file { 
	struct mutex perf_mutex;

	struct pm_qos_request pm_qos_req;

	int qos_request;

	struct mutex pm_qos_mutex;

	struct mutex map_mutex;

	struct mutex fl_map_mutex;

	int refcount;
@@ -687,9 +689,10 @@ static int fastrpc_mmap_remove(struct fastrpc_file *fl, uintptr_t va, 


	spin_lock(&me->hlock);

	hlist_for_each_entry_safe(map, n, &me->maps, hn) {

		if (map->raddr == va &&

		if (map->refs == 1 && map->raddr == va &&

			map->raddr + map->len == va + len &&

			map->refs == 1) {

			/*Remove map if not used in process initialization*/

			!map->is_filemap) {

			match = map;

			hlist_del_init(&map->hn);

			break;
@@ -701,9 +704,10 @@ static int fastrpc_mmap_remove(struct fastrpc_file *fl, uintptr_t va, 
		return 0;

	}

	hlist_for_each_entry_safe(map, n, &fl->maps, hn) {

		if (map->raddr == va &&

		if (map->refs == 1 && map->raddr == va &&

			map->raddr + map->len == va + len &&

			map->refs == 1) {

			/*Remove map if not used in process initialization*/

			!map->is_filemap) {

			match = map;

			hlist_del_init(&map->hn);

			break;
@@ -843,6 +847,7 @@ static int fastrpc_mmap_create(struct fastrpc_file *fl, int fd, 
	map->fl = fl;

	map->fd = fd;

	map->attr = attr;

	map->is_filemap = false;

	if (mflags == ADSP_MMAP_HEAP_ADDR ||

				mflags == ADSP_MMAP_REMOTE_HEAP_ADDR) {

		unsigned long dma_attrs = DMA_ATTR_SKIP_ZEROING |
@@ -2205,6 +2210,8 @@ static int fastrpc_init_process(struct fastrpc_file *fl, 
			mutex_lock(&fl->fl_map_mutex);

			VERIFY(err, !fastrpc_mmap_create(fl, init->filefd, 0,

				init->file, init->filelen, mflags, &file));

			if (file)

				file->is_filemap = true;

			mutex_unlock(&fl->fl_map_mutex);

			if (err)

				goto bail;
@@ -3060,6 +3067,7 @@ static int fastrpc_file_free(struct fastrpc_file *fl) 
	mutex_destroy(&fl->perf_mutex);

	mutex_destroy(&fl->fl_map_mutex);

	mutex_destroy(&fl->map_mutex);

	mutex_destroy(&fl->pm_qos_mutex);

	kfree(fl);

	return 0;

}
@@ -3561,6 +3569,7 @@ static int fastrpc_device_open(struct inode *inode, struct file *filp) 
	hlist_add_head(&fl->hn, &me->drivers);

	spin_unlock(&me->hlock);

	mutex_init(&fl->perf_mutex);

	mutex_init(&fl->pm_qos_mutex);

	return 0;

}
@@ -3657,12 +3666,14 @@ static int fastrpc_internal_control(struct fastrpc_file *fl, 
		VERIFY(err, latency != 0);

		if (err)

			goto bail;

		mutex_lock(&fl->pm_qos_mutex);

		if (!fl->qos_request) {

			pm_qos_add_request(&fl->pm_qos_req,

				PM_QOS_CPU_DMA_LATENCY, latency);

			fl->qos_request = 1;

		} else

			pm_qos_update_request(&fl->pm_qos_req, latency);

		mutex_unlock(&fl->pm_qos_mutex);

		break;

	case FASTRPC_CONTROL_SMMU:

		if (!me->legacy)

drivers/usb/host/max3421-hcd.c

+14 −30
Original line number Diff line number Diff line
@@ -149,8 +149,6 @@ struct max3421_hcd { 
	 */

	struct urb *curr_urb;

	enum scheduling_pass sched_pass;

	struct usb_device *loaded_dev;	/* dev that's loaded into the chip */

	int loaded_epnum;		/* epnum whose toggles are loaded */

	int urb_done;			/* > 0 -> no errors, < 0: errno */

	size_t curr_len;

	u8 hien;
@@ -488,39 +486,17 @@ max3421_set_speed(struct usb_hcd *hcd, struct usb_device *dev) 
 * Caller must NOT hold HCD spinlock.

 */

static void

max3421_set_address(struct usb_hcd *hcd, struct usb_device *dev, int epnum,

		    int force_toggles)

max3421_set_address(struct usb_hcd *hcd, struct usb_device *dev, int epnum)

{

	struct max3421_hcd *max3421_hcd = hcd_to_max3421(hcd);

	int old_epnum, same_ep, rcvtog, sndtog;

	struct usb_device *old_dev;

	int rcvtog, sndtog;

	u8 hctl;



	old_dev = max3421_hcd->loaded_dev;

	old_epnum = max3421_hcd->loaded_epnum;



	same_ep = (dev == old_dev && epnum == old_epnum);

	if (same_ep && !force_toggles)

		return;



	if (old_dev && !same_ep) {

		/* save the old end-points toggles: */

		u8 hrsl = spi_rd8(hcd, MAX3421_REG_HRSL);



		rcvtog = (hrsl >> MAX3421_HRSL_RCVTOGRD_BIT) & 1;

		sndtog = (hrsl >> MAX3421_HRSL_SNDTOGRD_BIT) & 1;



		/* no locking: HCD (i.e., we) own toggles, don't we? */

		usb_settoggle(old_dev, old_epnum, 0, rcvtog);

		usb_settoggle(old_dev, old_epnum, 1, sndtog);

	}

	/* setup new endpoint's toggle bits: */

	rcvtog = usb_gettoggle(dev, epnum, 0);

	sndtog = usb_gettoggle(dev, epnum, 1);

	hctl = (BIT(rcvtog + MAX3421_HCTL_RCVTOG0_BIT) |

		BIT(sndtog + MAX3421_HCTL_SNDTOG0_BIT));



	max3421_hcd->loaded_epnum = epnum;

	spi_wr8(hcd, MAX3421_REG_HCTL, hctl);



	/*
@@ -528,7 +504,6 @@ max3421_set_address(struct usb_hcd *hcd, struct usb_device *dev, int epnum, 
	 * address-assignment so it's best to just always load the

	 * address whenever the end-point changed/was forced.

	 */

	max3421_hcd->loaded_dev = dev;

	spi_wr8(hcd, MAX3421_REG_PERADDR, dev->devnum);

}
@@ -663,7 +638,7 @@ max3421_select_and_start_urb(struct usb_hcd *hcd) 
	struct max3421_hcd *max3421_hcd = hcd_to_max3421(hcd);

	struct urb *urb, *curr_urb = NULL;

	struct max3421_ep *max3421_ep;

	int epnum, force_toggles = 0;

	int epnum;

	struct usb_host_endpoint *ep;

	struct list_head *pos;

	unsigned long flags;
@@ -773,7 +748,6 @@ max3421_select_and_start_urb(struct usb_hcd *hcd) 
			usb_settoggle(urb->dev, epnum, 0, 1);

			usb_settoggle(urb->dev, epnum, 1, 1);

			max3421_ep->pkt_state = PKT_STATE_SETUP;

			force_toggles = 1;

		} else

			max3421_ep->pkt_state = PKT_STATE_TRANSFER;

	}
@@ -781,7 +755,7 @@ max3421_select_and_start_urb(struct usb_hcd *hcd) 
	spin_unlock_irqrestore(&max3421_hcd->lock, flags);



	max3421_ep->last_active = max3421_hcd->frame_number;

	max3421_set_address(hcd, urb->dev, epnum, force_toggles);

	max3421_set_address(hcd, urb->dev, epnum);

	max3421_set_speed(hcd, urb->dev);

	max3421_next_transfer(hcd, 0);

	return 1;
@@ -1376,6 +1350,16 @@ max3421_urb_done(struct usb_hcd *hcd) 
		status = 0;

	urb = max3421_hcd->curr_urb;

	if (urb) {

		/* save the old end-points toggles: */

		u8 hrsl = spi_rd8(hcd, MAX3421_REG_HRSL);

		int rcvtog = (hrsl >> MAX3421_HRSL_RCVTOGRD_BIT) & 1;

		int sndtog = (hrsl >> MAX3421_HRSL_SNDTOGRD_BIT) & 1;

		int epnum = usb_endpoint_num(&urb->ep->desc);



		/* no locking: HCD (i.e., we) own toggles, don't we? */

		usb_settoggle(urb->dev, epnum, 0, rcvtog);

		usb_settoggle(urb->dev, epnum, 1, sndtog);



		max3421_hcd->curr_urb = NULL;

		spin_lock_irqsave(&max3421_hcd->lock, flags);

		usb_hcd_unlink_urb_from_ep(hcd, urb);

fs/eventpoll.c

+18 −19
Original line number Diff line number Diff line
@@ -1333,6 +1333,22 @@ static int ep_insert(struct eventpoll *ep, struct epoll_event *event, 
		RCU_INIT_POINTER(epi->ws, NULL);

	}



	/* Add the current item to the list of active epoll hook for this file */

	spin_lock(&tfile->f_lock);

	list_add_tail_rcu(&epi->fllink, &tfile->f_ep_links);

	spin_unlock(&tfile->f_lock);



	/*

	 * Add the current item to the RB tree. All RB tree operations are

	 * protected by "mtx", and ep_insert() is called with "mtx" held.

	 */

	ep_rbtree_insert(ep, epi);



	/* now check if we've created too many backpaths */

	error = -EINVAL;

	if (full_check && reverse_path_check())

		goto error_remove_epi;



	/* Initialize the poll table using the queue callback */

	epq.epi = epi;

	init_poll_funcptr(&epq.pt, ep_ptable_queue_proc);
@@ -1355,22 +1371,6 @@ static int ep_insert(struct eventpoll *ep, struct epoll_event *event, 
	if (epi->nwait < 0)

		goto error_unregister;



	/* Add the current item to the list of active epoll hook for this file */

	spin_lock(&tfile->f_lock);

	list_add_tail_rcu(&epi->fllink, &tfile->f_ep_links);

	spin_unlock(&tfile->f_lock);



	/*

	 * Add the current item to the RB tree. All RB tree operations are

	 * protected by "mtx", and ep_insert() is called with "mtx" held.

	 */

	ep_rbtree_insert(ep, epi);



	/* now check if we've created too many backpaths */

	error = -EINVAL;

	if (full_check && reverse_path_check())

		goto error_remove_epi;



	/* We have to drop the new item inside our item list to keep track of it */

	spin_lock_irqsave(&ep->lock, flags);
@@ -1396,6 +1396,8 @@ static int ep_insert(struct eventpoll *ep, struct epoll_event *event, 


	return 0;



error_unregister:

	ep_unregister_pollwait(ep, epi);

error_remove_epi:

	spin_lock(&tfile->f_lock);

	list_del_rcu(&epi->fllink);
@@ -1403,9 +1405,6 @@ static int ep_insert(struct eventpoll *ep, struct epoll_event *event, 


	rb_erase(&epi->rbn, &ep->rbr);



error_unregister:

	ep_unregister_pollwait(ep, epi);



	/*

	 * We need to do this because an event could have been arrived on some

	 * allocated wait queue. Note that we don't care about the ep->ovflist

fs/seq_file.c

+3 −0
Original line number Diff line number Diff line
@@ -28,6 +28,9 @@ static void *seq_buf_alloc(unsigned long size) 
	void *buf;

	gfp_t gfp = GFP_KERNEL;



	if (unlikely(size > MAX_RW_COUNT))

		return NULL;



	/*

	 * For high order allocations, use __GFP_NORETRY to avoid oom-killing -

	 * it's better to fall back to vmalloc() than to kill things.  For small

include/linux/netfilter/x_tables.h

+9 −0
Original line number Diff line number Diff line
@@ -139,6 +139,7 @@ struct xt_match { 


	const char *table;

	unsigned int matchsize;

	unsigned int usersize;

#ifdef CONFIG_COMPAT

	unsigned int compatsize;

#endif
@@ -179,6 +180,7 @@ struct xt_target { 


	const char *table;

	unsigned int targetsize;

	unsigned int usersize;

#ifdef CONFIG_COMPAT

	unsigned int compatsize;

#endif
@@ -261,6 +263,13 @@ int xt_check_match(struct xt_mtchk_param *, unsigned int size, u_int8_t proto, 
int xt_check_target(struct xt_tgchk_param *, unsigned int size, u_int8_t proto,

		    bool inv_proto);



int xt_match_to_user(const struct xt_entry_match *m,

		     struct xt_entry_match __user *u);

int xt_target_to_user(const struct xt_entry_target *t,

		      struct xt_entry_target __user *u);

int xt_data_to_user(void __user *dst, const void *src,

		    int usersize, int size);



void *xt_copy_counters_from_user(const void __user *user, unsigned int len,

				 struct xt_counters_info *info, bool compat);