Re: [PATCH v1 1/1] usb: xhci: do not create and register shared_hcd when USB3.0 is disabled

On Tue, Jan 16, 2018 at 9:50 PM, Mathias Nyman wrote: > > Hi, Sorry about the delay > > > On 04.01.2018 07:17, Thang Q. Nguyen wrote: >> >> Hi, >> >> On Sat, Dec 16, 2017 at 10:45 AM, Thang Q. Nguyen wrote: >>> >>> From: Tung Nguyen

[PATCH] USB: serial: simple: add Motorola Tetra driver

Add new Motorola Tetra (simple) driver for Motorola Solutions TETRA PEI devices. D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=0cad ProdID=9011 Rev=24.16 S: Manufacturer=Motorola Solutions Inc. S: Product=Motorola Solutions TETRA PEI interface C: #Ifs= 2 Cfg#= 1

RE: [PATCH v2] usb: phy: mxs: Fix NULL pointer dereference on i.MX23/28

2.250676] Internal error: Oops: 5 [#1] ARM > [2.254979] Modules linked in: > [2.258089] CPU: 0 PID: 1 Comm: swapper Not tainted 4.15.0-rc8-next- > 20180117-2-g75d5f21 #7 > [2.266724] Hardware name: Freescale MXS (Device Tree) > [2.271921] PC is at regmap_read+0x0/

Re: [PATCH v2] r8152: disable RX aggregation on Dell TB16 dock

> On 18 Jan 2018, at 11:04 AM, Hayes Wang wrote: > > [...] >>> r8153 on Dell TB15/16 dock corrupts rx packets. >>> >>> This change is suggested by Realtek. They guess that the XHCI >>> controller doesn't have enough buffer, and their guesswork is correct, >>> once the RX

Re: [PATCH v3] USB: serial: option: add id for Motorola Solutions TETRA PEI

On Tue, Jan 16, 2018 at 12:12:33AM +0100, Max Schulze wrote: > > > This indicates that option isn't the right driver for this for device. > > > > I think we should add a new simple driver for it instead, which reports > > that modem control isn't (yet) supported (yes, your python script would > >

RE: [PATCH v2] r8152: disable RX aggregation on Dell TB16 dock

[...] > > r8153 on Dell TB15/16 dock corrupts rx packets. > > > > This change is suggested by Realtek. They guess that the XHCI > > controller doesn't have enough buffer, and their guesswork is correct, > > once the RX aggregation gets disabled, the issue is gone. > > > > ASMedia is currently

Re: [PATCH] usb: option: Add support for FS040U modem

On Tue, Jan 16, 2018 at 09:51:17AM +, OKAMOTO Yoshiaki wrote: > FS040U modem is manufactured by omega, and sold by Fujisoft. This patch > adds ID of the modem to use option1 driver. Interface 3 is used as > qmi_wwan, so the interface is ignored. > > Signed-off-by: Yoshiaki Okamoto

RE: [PATCH v2] usb: phy: mxs: Fix NULL pointer dereference on i.MX23/28

irtual > address > 0188 > [2.244195] pgd = (ptrval) > [2.246994] [0188] *pgd= > [2.250676] Internal error: Oops: 5 [#1] ARM > [2.254979] Modules linked in: > [2.258089] CPU: 0 PID: 1 Comm: swapper Not tainted > 4.15.0-rc8-next-20180117

[PATCH v2] usb: phy: mxs: Fix NULL pointer dereference on i.MX23/28

nter dereference at virtual address 0188 [2.244195] pgd = (ptrval) [2.246994] [0188] *pgd= [2.250676] Internal error: Oops: 5 [#1] ARM [2.254979] Modules linked in: [2.258089] CPU: 0 PID: 1 Comm: swapper Not tainted 4.15.0-rc8-next-20180117-2-g75d5f21 #7 [2.

[PATCH v3 15/15] usb: gadget: mass_storage: Set max_speed to SSP

Increase max_speed of the mass_storage driver for UDCs that support SuperSpeed Plus. The composite driver will pass this value to UDC core to set the device speed on probe (actual speed may be different depending on whether the USB controller supports it or other external factors). Signed-off-by:

[PATCH v3 13/15] usb: dwc3: Add workaround for isoc start transfer failure

In DWC_usb31 version 1.70a-ea06 and prior, for highspeed and fullspeed isochronous IN, BIT[15:14] of the 16-bit microframe number reported by the XferNotReady event are invalid. The driver uses this number to schedule the isochronous transfer and passes it to the START TRANSFER command. Because

[PATCH v3 14/15] usb: dwc3: Check controller type before setting speed

DWC_usb3 speed can only be set up to SuperSpeed. Limit the setting to SuperSpeed only should the value be higher. Otherwise, the controller will read an invalid speed value and set the device to an incorrect speed. Signed-off-by: Thinh Nguyen --- drivers/usb/dwc3/gadget.c |

[PATCH v3 12/15] usb: dwc3: Add disabling of start_transfer failure quirk

In DWC_usb31 version 1.70a-ea06 and prior needs a SW workaround for isoc START TRANSFER command failure. However, some affected versions may have RTL patches to fix this without a SW workaround. Add this quirk to disable the SW workaround when it is not needed. Synopsys STAR 9001202023: Wrong

[PATCH v3 08/15] usb: dwc3: Make TX/RX threshold configurable

DWC_usb31 periodic transfer at 48K+ bytes per interval may need modification to the TX/RX packet threshold to achieve optimal result. Add properties to make it configurable. Cc: John Youn Signed-off-by: Thinh Nguyen ---

[PATCH v3 10/15] usb: dwc3: Dump LSP and BMU debug info

Dump LSP and BMU debug info. Signed-off-by: Thinh Nguyen --- drivers/usb/dwc3/core.h| 5 + drivers/usb/dwc3/debugfs.c | 5 + 2 files changed, 10 insertions(+) diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index e53ae6038bbe..fd794972802d 100644

[PATCH v3 11/15] usb: dwc3: Track DWC_usb31 VERSIONTYPE

Add a new field to dwc3 structure to track VERSIONTYPE. The VERSIONTYPE is represented in ASCII in the 32-bit VERSIONTYPE register. In DWC_usb31, sub releases for each version are tracked with VERSIONTYPE such as "ea01" and "ea02". Signed-off-by: Thinh Nguyen ---

[PATCH v3 09/15] usb: dwc3: Check for ESS TX/RX threshold config

Check and configure TX/RX threshold for DWC_usb31. Update dwc3 structure with new fields to store these threshold configurations. Signed-off-by: Thinh Nguyen --- drivers/usb/dwc3/core.c | 55 + drivers/usb/dwc3/core.h | 8

[PATCH v3 07/15] usb: dwc3: Add DWC_usb31 GTXTHRCFG reg fields

Add new GTXTHRCFG bit field macros for DWC_usb31. The GTXTHRCFG register fields for DWC_usb31 is as follows: +---+--+---+ | BITS | Name | Description |

[PATCH v3 06/15] usb: dwc3: gadget: Check IP revision for GRXTHRCFG

DWC_usb31 controller has a different UsbRxPktCnt bit fields from GRXTHRCFG register. Check for DWC_usb31 IP revision to read the appropriate value. Signed-off-by: Thinh Nguyen --- drivers/usb/dwc3/gadget.c | 6 +- 1 file changed, 5 insertions(+), 1 deletion(-) diff

[PATCH v3 05/15] usb: dwc3: Add DWC_usb31 GRXTHRCFG bit fields

Add new GRXTHRCFG bit field macros for DWC_usb31. The GRXTHRCFG register fields for DWC_usb31 is as follows: +---+--+--+ | BITS | Name | Description |

[PATCH v3 04/15] usb: dwc3: Check IP revision for GTXFIFOSIZ

DWC_usb31 controller has different GTXFIFOSIZE bit field for TXFDEF. Check for DWC_usb31 IP revision to read the appropriate bit fields. Signed-off-by: Thinh Nguyen --- drivers/usb/dwc3/gadget.c | 5 - 1 file changed, 4 insertions(+), 1 deletion(-) diff --git

[PATCH v3 03/15] usb: dwc3: Update DWC_usb31 GTXFIFOSIZ reg fields

Update two GTXFIFOSIZ bit fields for the DWC_usb31 controller. TXFDEP is a 15-bit value instead of 16-bit value, and bit 15 is TXFRAMNUM. The GTXFIFOSIZ register for DWC_usb31 is as follows: +---+---+--+ | BITS | Name | Description

[PATCH v3 02/15] usb: core: urb: Check SSP isoc ep comp descriptor

The maximum bytes per interval for USB SuperSpeed Plus can be set by isoc endpoint companion descriptor when it is above 48K. If the descriptor is provided, then use its value. USB 3.1 spec 9.6.8 Signed-off-by: Thinh Nguyen --- drivers/usb/core/urb.c | 8 1 file

[PATCH v3 01/15] usb: dwc3: Add SoftReset PHY synchonization delay

>From DWC_usb31 databook section 1.3.2, once DWC3_DCTL_CSFTRST bit is cleared, we must wait at least 50ms before accessing the PHY domain (synchronization delay). Signed-off-by: Thinh Nguyen --- drivers/usb/dwc3/core.c | 13 - 1 file changed, 12 insertions(+), 1

[PATCH v3 00/15] usb: dwc3: Add new updates for DWC_usb31

This patch series adds new updates and some fixes for DWC_usb31. Changes in v3: - Add "usb: dwc3: Check controller type before setting speed" to series Changes in v2: - Add another patch to the series to increase mass_storage max_speed - Separate "usb: dwc3: ep0: Reset TRB counter for ep0 IN"

Re: [PATCH v2] usb: ehci-omap: don't complain on -EPROBE_DEFER when no PHY found

In you commit message, there is a typo "when when" 2018-01-17 22:41 GMT+09:00 Roger Quadros : > On 17/01/18 12:08, Ladislav Michl wrote: >> Don't complain on -EPROBE_DEFER when when no PHY found, the driver

RE: [PATCH] usb: phy: mxs: Do not run charger detection on i.MX23/28

M > [2.254979] Modules linked in: > [2.258089] CPU: 0 PID: 1 Comm: swapper Not tainted 4.15.0-rc8-next- > 20180117-2-g75d5f21 #7 > [2.266724] Hardware name: Freescale MXS (Device Tree) > [2.271921] PC is at regmap_read+0x0/0x5c > [2.275977] LR is at mxs_phy_char

Re: Not work 802.11ac WLAN Adapter

On 1/17/2018 9:47 PM, Cristian wrote: Hello, Open bug in launchpad.net https://bugs.launchpad.net/bugs/1743872 dmesg_4.15.0-041500rc8-generic dmesg: [ 104.468231] usb 3-2: new high-speed USB device number 4 using xhci_hcd [ 104.616570] usb 3-2: New USB device found, idVendor=0bda,

[PATCH 4.9] usbip: fix warning in vhci_hcd_probe/lockdep_init_map

commit 918b8ac55b6c809b70aa05c279087109584e393e upstream vhci_hcd calls sysfs_create_group() with dynamically allocated sysfs attributes triggering the lock-class key not persistent warning. Call sysfs_attr_init() for dynamically allocated sysfs attributes to fix it. vhci_hcd vhci_hcd: USB/IP

Re: [PATCH] usb: dwc3: core: power on PHYs before initializing core

On Fri, Jan 12, 2018 at 12:00:16PM +0800, William Wu wrote: > The dwc3_core_init() gets the PHYs and initializes the PHYs with > the usb_phy_init() and phy_init() functions before initializing > core, and power on the PHYs after core initialization is done. > > However, some platforms (e.g.

[PATCH] usb: dwc3: Undo PHY init if soft reset fails

In this function, we init the USB2 and USB3 PHYs, but if soft reset times out, we don't unwind this. Noticed by inspection. Signed-off-by: Brian Norris --- drivers/usb/dwc3/core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/dwc3/core.c

Re: [PATCH v6 20/99] ida: Convert to XArray

Hi Matthew! On 01/17/2018 09:20 PM, Matthew Wilcox wrote: > Use the xarray infrstructure like we used the radix tree infrastructure. > This lets us get rid of idr_get_free() from the radix tree code. There's a typo: infrstructure => infratructure Cheers, Adrian -- .''`. John Paul Adrian

[PATCH v6 03/99] xarray: Replace exceptional entries

From: Matthew Wilcox Introduce xarray value entries to replace the radix tree exceptional entry code. This is a slight change in encoding to allow the use of an extra bit (we can now store BITS_PER_LONG - 1 bits in a value entry). It is also a change in emphasis;

[PATCH v6 04/99] xarray: Change definition of sibling entries

From: Matthew Wilcox Instead of storing a pointer to the slot containing the canonical entry, store the offset of the slot. Produces slightly more efficient code (~300 bytes) and simplifies the implementation. Signed-off-by: Matthew Wilcox ---

[PATCH v6 05/99] xarray: Add definition of struct xarray

From: Matthew Wilcox This is a direct replacement for struct radix_tree_root. Some of the struct members have changed name; convert those, and use a #define so that radix_tree users continue to work without change. Signed-off-by: Matthew Wilcox

[PATCH v6 02/99] page cache: Use xa_lock

From: Matthew Wilcox Remove the address_space ->tree_lock and use the xa_lock newly added to the radix_tree_root. Rename the address_space ->page_tree to ->pages, since we don't really care that it's a tree. Take the opportunity to rearrange the elements of

[PATCH v6 06/99] xarray: Define struct xa_node

From: Matthew Wilcox This is a direct replacement for struct radix_tree_node. A couple of struct members have changed name, so convert those. Use a #define so that radix tree users continue to work without change. Signed-off-by: Matthew Wilcox

[PATCH v6 07/99] xarray: Add documentation

From: Matthew Wilcox This is documentation on how to use the XArray, not details about its internal implementation. Signed-off-by: Matthew Wilcox --- Documentation/core-api/index.rst | 1 + Documentation/core-api/xarray.rst | 361

[PATCH v6 10/99] xarray: Add xa_store

From: Matthew Wilcox xa_store() differs from radix_tree_insert() in that it will overwrite an existing element in the array rather than returning an error. This is the behaviour which most users want, and those that want more complex behaviour generally want to use the

[PATCH v6 09/99] xarray: Add xa_get_tag, xa_set_tag and xa_clear_tag

From: Matthew Wilcox XArray tags are slightly more strongly typed than the radix tree tags, but occupy the same bits. This commit also adds the xas_ family of tag operations, for cases where the caller is already holding the lock, and xa_tagged() to ask whether any array

[PATCH v6 08/99] xarray: Add xa_load

From: Matthew Wilcox This first function in the XArray API brings with it a lot of support infrastructure. The advanced API is based around the xa_state which is a more capable version of the radix_tree_iter. As the test-suite demonstrates, it is possible to use the

[PATCH v6 12/99] xarray: Add xa_for_each

From: Matthew Wilcox This iterator allows the user to efficiently walk a range of the array, executing the loop body once for each entry in that range that matches the filter. This commit also includes xa_find() and xa_find_above() which are helper functions for

[PATCH v6 11/99] xarray: Add xa_cmpxchg and xa_insert

From: Matthew Wilcox Like cmpxchg(), xa_cmpxchg will only store to the index if the current entry matches the old entry. It returns the current entry, which is usually more useful than the errno returned by radix_tree_insert(). For the users who really only want the

[PATCH v6 13/99] xarray: Add xa_extract

From: Matthew Wilcox This function combines the functionality of radix_tree_gang_lookup() and radix_tree_gang_lookup_tagged(). It extracts entries matching the specified filter into a normal array. Signed-off-by: Matthew Wilcox ---

[PATCH v6 15/99] xarray: Add xas_next and xas_prev

From: Matthew Wilcox These two functions move the xas index by one position, and adjust the rest of the iterator state to match it. This is more efficient than calling xas_set() as it keeps the iterator at the leaves of the tree instead of walking the iterator from the

[PATCH v6 14/99] xarray: Add xa_destroy

From: Matthew Wilcox This function frees all the internal memory allocated to the xarray and reinitialises it to be empty. Signed-off-by: Matthew Wilcox --- include/linux/xarray.h | 1 + lib/xarray.c | 26 ++ 2

[PATCH v6 17/99] xarray: Add MAINTAINERS entry

From: Matthew Wilcox Add myself as XArray and IDR maintainer. Signed-off-by: Matthew Wilcox --- MAINTAINERS | 12 1 file changed, 12 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 18994806e441..55ae4c0b38d5 100644 ---

[PATCH v6 16/99] xarray: Add xas_create_range

From: Matthew Wilcox This hopefully temporary function is useful for users who have not yet been converted to multi-index entries. Signed-off-by: Matthew Wilcox --- include/linux/xarray.h | 2 ++ lib/xarray.c | 22

[PATCH v6 19/99] idr: Convert to XArray

From: Matthew Wilcox The IDR distinguishes between unallocated entries (read as NULL) and entries where the user has chosen to store NULL. The radix tree was modified to consider NULL entries which had tag 0 _clear_ as being allocated, but it added a lot of complexity.

[PATCH v6 18/99] xarray: Add ability to store errno values

From: Matthew Wilcox While the radix tree offers no ability to store IS_ERR pointers, documenting that the XArray does not led to some concern. Here is a sanctioned way to store errnos in the XArray. I'm concerned that it will confuse people who can't tell the

[PATCH v6 00/99] XArray version 6

From: Matthew Wilcox This version of the XArray has no known bugs. I have converted the radix tree test suite entirely over to the XArray and fixed all bugs that it has uncovered. There are additional tests in the test suite for the XArray, so I now claim the XArray has

[PATCH v6 20/99] ida: Convert to XArray

From: Matthew Wilcox Use the xarray infrstructure like we used the radix tree infrastructure. This lets us get rid of idr_get_free() from the radix tree code. Signed-off-by: Matthew Wilcox --- include/linux/idr.h| 8 +-

[PATCH v6 21/99] xarray: Add xa_reserve and xa_release

From: Matthew Wilcox This function simply creates a slot in the XArray for users which need to acquire multiple locks before storing their entry in the tree and so cannot use a plain xa_store(). Signed-off-by: Matthew Wilcox ---

[PATCH v6 24/99] page cache: Add and replace pages using the XArray

From: Matthew Wilcox Use the XArray APIs to add and replace pages in the page cache. This removes two uses of the radix tree preload API and is significantly shorter code. Signed-off-by: Matthew Wilcox --- include/linux/swap.h | 8 ++-

[PATCH v6 23/99] page cache: Add page_cache_range_empty function

From: Matthew Wilcox btrfs has its own custom function for determining whether the page cache has any pages in a particular range. Move this functionality to the page cache, and call it from btrfs. Signed-off-by: Matthew Wilcox ---

[PATCH v6 22/99] page cache: Convert hole search to XArray

From: Matthew Wilcox The page cache offers the ability to search for a miss in the previous or next N locations. Rather than teach the XArray about the page cache's definition of a miss, use xas_prev() and xas_next() to search the page array. This should be more

[PATCH v6 27/99] page cache: Convert delete_batch to XArray

From: Matthew Wilcox Rename the function from page_cache_tree_delete_batch to just page_cache_delete_batch. Signed-off-by: Matthew Wilcox --- mm/filemap.c | 28 +--- 1 file changed, 13 insertions(+), 15 deletions(-) diff

[PATCH v6 29/99] page cache: Convert filemap_range_has_page to XArray

From: Matthew Wilcox Instead of calling find_get_pages_range() and putting any reference, just use xa_find() to look for a page in the right range. Signed-off-by: Matthew Wilcox --- mm/filemap.c | 9 + 1 file changed, 1 insertion(+), 8

[PATCH v6 31/99] mm: Convert workingset to XArray

From: Matthew Wilcox We construct a fake XA_STATE and use it to delete the node with xa_store() rather than adding a special function for this unique use case. Signed-off-by: Matthew Wilcox --- include/linux/swap.h | 9 -

[PATCH v6 30/99] mm: Convert page-writeback to XArray

From: Matthew Wilcox Includes moving mapping_tagged() to fs.h as a static inline, and changing it to return bool. Signed-off-by: Matthew Wilcox --- include/linux/fs.h | 17 +-- mm/page-writeback.c | 62

[PATCH v6 33/99] mm: Convert add_to_swap_cache to XArray

From: Matthew Wilcox Combine __add_to_swap_cache and add_to_swap_cache into one function since there is no more need to preload. Signed-off-by: Matthew Wilcox --- mm/swap_state.c | 93 ++--- 1

[PATCH v6 32/99] mm: Convert truncate to XArray

From: Matthew Wilcox This is essentially xa_cmpxchg() with the locking handled above us, and it doesn't have to handle replacing a NULL entry. Signed-off-by: Matthew Wilcox --- mm/truncate.c | 15 ++- 1 file changed, 6 insertions(+),

[PATCH v6 34/99] mm: Convert delete_from_swap_cache to XArray

From: Matthew Wilcox Both callers of __delete_from_swap_cache have the swp_entry_t already, so pass that in to make constructing the XA_STATE easier. Signed-off-by: Matthew Wilcox --- include/linux/swap.h | 5 +++-- mm/swap_state.c | 24

[PATCH v6 37/99] mm: Convert huge_memory to XArray

From: Matthew Wilcox Quite a straightforward conversion. Signed-off-by: Matthew Wilcox --- mm/huge_memory.c | 19 --- 1 file changed, 8 insertions(+), 11 deletions(-) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index

[PATCH v6 36/99] mm: Convert page migration to XArray

From: Matthew Wilcox Signed-off-by: Matthew Wilcox --- mm/migrate.c | 41 - 1 file changed, 16 insertions(+), 25 deletions(-) diff --git a/mm/migrate.c b/mm/migrate.c index 75d19904dd9a..7122fec9b075

[PATCH v6 35/99] mm: Convert __do_page_cache_readahead to XArray

From: Matthew Wilcox This one is trivial. Signed-off-by: Matthew Wilcox --- mm/readahead.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/mm/readahead.c b/mm/readahead.c index f64b31b3a84a..66bcaffd47f0 100644 ---

[PATCH v6 38/99] mm: Convert collapse_shmem to XArray

From: Matthew Wilcox I found another victim of the radix tree being hard to use. Because there was no call to radix_tree_preload(), khugepaged was allocating radix_tree_nodes using GFP_ATOMIC. I also converted a local_irq_save()/restore() pair to disable()/enable().

[PATCH v6 39/99] mm: Convert khugepaged_scan_shmem to XArray

From: Matthew Wilcox Slightly shorter and easier to read code. Signed-off-by: Matthew Wilcox --- mm/khugepaged.c | 17 + 1 file changed, 5 insertions(+), 12 deletions(-) diff --git a/mm/khugepaged.c b/mm/khugepaged.c index

[PATCH v6 40/99] pagevec: Use xa_tag_t

From: Matthew Wilcox Removes sparse warnings. Signed-off-by: Matthew Wilcox --- fs/btrfs/extent_io.c| 4 ++-- fs/ext4/inode.c | 2 +- fs/f2fs/data.c | 2 +- fs/gfs2/aops.c | 2 +- include/linux/pagevec.h | 8

[PATCH v6 42/99] shmem: Convert shmem_confirm_swap to XArray

From: Matthew Wilcox xa_load has its own RCU locking, so we can eliminate it here. Signed-off-by: Matthew Wilcox --- mm/shmem.c | 7 +-- 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/mm/shmem.c b/mm/shmem.c index

[PATCH v6 41/99] shmem: Convert replace to XArray

From: Matthew Wilcox shmem_radix_tree_replace() is renamed to shmem_xa_replace() and converted to use the XArray API. Signed-off-by: Matthew Wilcox --- mm/shmem.c | 22 -- 1 file changed, 8 insertions(+), 14 deletions(-)

[PATCH v6 43/99] shmem: Convert find_swap_entry to XArray

From: Matthew Wilcox This is a 1:1 conversion. Signed-off-by: Matthew Wilcox --- mm/shmem.c | 23 +++ 1 file changed, 11 insertions(+), 12 deletions(-) diff --git a/mm/shmem.c b/mm/shmem.c index 654f367aca90..ce285ae635ea

[PATCH v6 44/99] shmem: Convert shmem_tag_pins to XArray

From: Matthew Wilcox Simplify the locking by taking the spinlock while we walk the tree on the assumption that many acquires and releases of the lock will be worse than holding the lock for a (potentially) long time. We could replicate the same locking behaviour with the

[PATCH v6 45/99] shmem: Convert shmem_wait_for_pins to XArray

From: Matthew Wilcox As with shmem_tag_pins(), hold the lock around the entire loop instead of acquiring & dropping it for each entry we're going to untag. Signed-off-by: Matthew Wilcox --- mm/shmem.c | 59

[PATCH v6 48/99] shmem: Convert shmem_free_swap to XArray

From: Matthew Wilcox This is a perfect use for xa_cmpxchg(). Note the use of 0 for GFP flags; we won't be allocating memory. Signed-off-by: Matthew Wilcox --- mm/shmem.c | 7 ++- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git

[PATCH v6 47/99] shmem: Convert shmem_alloc_hugepage to XArray

From: Matthew Wilcox xa_find() is a slightly easier API to use than radix_tree_gang_lookup_slot() because it contains its own RCU locking. Signed-off-by: Matthew Wilcox --- mm/shmem.c | 14 -- 1 file changed, 4 insertions(+), 10

[PATCH v6 46/99] shmem: Convert shmem_add_to_page_cache to XArray

From: Matthew Wilcox This removes the last caller of radix_tree_maybe_preload_order(). Simpler code, unless we run out of memory for new xa_nodes partway through inserting entries into the xarray. Hopefully we can support multi-index entries in the page cache soon and

[PATCH v6 49/99] shmem: Convert shmem_partial_swap_usage to XArray

From: Matthew Wilcox Simpler code because the xarray takes care of things like the limit and dereferencing the slot. Signed-off-by: Matthew Wilcox --- mm/shmem.c | 18 +++--- 1 file changed, 3 insertions(+), 15 deletions(-) diff

[PATCH v6 51/99] btrfs: Convert page cache to XArray

From: Matthew Wilcox Signed-off-by: Matthew Wilcox --- fs/btrfs/compression.c | 4 +--- fs/btrfs/extent_io.c | 6 ++ 2 files changed, 3 insertions(+), 7 deletions(-) diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index

[PATCH v6 50/99] shmem: Comment fixups

From: Matthew Wilcox Remove the last mentions of radix tree from various comments. Signed-off-by: Matthew Wilcox --- mm/shmem.c | 14 +++--- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/mm/shmem.c b/mm/shmem.c index

Not work 802.11ac WLAN Adapter

Hello, Open bug in launchpad.net https://bugs.launchpad.net/bugs/1743872 dmesg_4.15.0-041500rc8-generic dmesg: [ 104.468231] usb 3-2: new high-speed USB device number 4 using xhci_hcd [ 104.616570] usb 3-2: New USB device found, idVendor=0bda, idProduct=a811 [ 104.616578] usb 3-2: New USB

[PATCH v6 52/99] fs: Convert buffer to XArray

From: Matthew Wilcox Mostly comment fixes, but one use of __xa_set_tag. Signed-off-by: Matthew Wilcox --- fs/buffer.c | 14 +++--- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/fs/buffer.c b/fs/buffer.c index

[PATCH v6 54/99] nilfs2: Convert to XArray

From: Matthew Wilcox I'm not 100% convinced that the rewrite of nilfs_copy_back_pages is correct, but it will at least have different bugs from the current version. Signed-off-by: Matthew Wilcox --- fs/nilfs2/btnode.c | 37

[PATCH v6 53/99] fs: Convert writeback to XArray

From: Matthew Wilcox A couple of short loops. Signed-off-by: Matthew Wilcox --- fs/fs-writeback.c | 25 + 1 file changed, 9 insertions(+), 16 deletions(-) diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index

[PATCH v6 55/99] f2fs: Convert to XArray

From: Matthew Wilcox This is a straightforward conversion. Signed-off-by: Matthew Wilcox --- fs/f2fs/data.c | 3 +-- fs/f2fs/dir.c| 5 + fs/f2fs/inline.c | 6 +- fs/f2fs/node.c | 10 ++ 4 files changed, 5

[PATCH v6 56/99] lustre: Convert to XArray

From: Matthew Wilcox Signed-off-by: Matthew Wilcox --- drivers/staging/lustre/lustre/llite/glimpse.c | 12 +--- drivers/staging/lustre/lustre/mdc/mdc_request.c | 16 2 files changed, 13 insertions(+), 15 deletions(-)

[PATCH v6 58/99] dax: Convert lock_slot to XArray

From: Matthew Wilcox Signed-off-by: Matthew Wilcox --- fs/dax.c | 22 -- 1 file changed, 12 insertions(+), 10 deletions(-) diff --git a/fs/dax.c b/fs/dax.c index f3463d93a6ce..8eab0b56f7f9 100644 --- a/fs/dax.c +++ b/fs/dax.c

[PATCH v6 59/99] dax: More XArray conversion

From: Matthew Wilcox This time, we want to convert get_unlocked_mapping_entry() to use the XArray. That has a ripple effect, causing us to change the waitqueues to hash on the address of the xarray rather than the address of the mapping (functionally equivalent), and

[PATCH v6 57/99] dax: Convert dax_unlock_mapping_entry to XArray

From: Matthew Wilcox Replace slot_locked() with dax_locked() and inline unlock_slot() into its only caller. Signed-off-by: Matthew Wilcox --- fs/dax.c | 48 1 file changed, 16 insertions(+), 32

[PATCH v6 61/99] dax: Convert dax_writeback_one to XArray

From: Matthew Wilcox Likewise easy Signed-off-by: Matthew Wilcox --- fs/dax.c | 17 +++-- 1 file changed, 7 insertions(+), 10 deletions(-) diff --git a/fs/dax.c b/fs/dax.c index 9a30224da4d6..b66b8c896ed8 100644 --- a/fs/dax.c +++

[PATCH v6 60/99] dax: Convert __dax_invalidate_mapping_entry to XArray

From: Matthew Wilcox Simple now that we already have an xa_state! Signed-off-by: Matthew Wilcox --- fs/dax.c | 10 +- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/fs/dax.c b/fs/dax.c index d3fe61b95216..9a30224da4d6

[PATCH v6 62/99] dax: Convert dax_insert_pfn_mkwrite to XArray

From: Matthew Wilcox Signed-off-by: Matthew Wilcox --- fs/dax.c | 8 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/dax.c b/fs/dax.c index b66b8c896ed8..e6b25ef112f2 100644 --- a/fs/dax.c +++ b/fs/dax.c @@ -1497,21

[PATCH v6 63/99] dax: Convert dax_insert_mapping_entry to XArray

From: Matthew Wilcox Signed-off-by: Matthew Wilcox --- fs/dax.c | 18 ++ 1 file changed, 6 insertions(+), 12 deletions(-) diff --git a/fs/dax.c b/fs/dax.c index e6b25ef112f2..494e8fb7a98f 100644 --- a/fs/dax.c +++ b/fs/dax.c @@

[PATCH v6 65/99] dax: Fix sparse warning

From: Matthew Wilcox sparse doesn't know that follow_pte_pmd() conditionally acquires the ptl, because it's in a separate compilation unit. Move follow_pte_pmd() to mm.h where sparse can see it. Signed-off-by: Matthew Wilcox ---

[PATCH v6 64/99] dax: Convert grab_mapping_entry to XArray

From: Matthew Wilcox Signed-off-by: Matthew Wilcox --- fs/dax.c | 98 +--- 1 file changed, 26 insertions(+), 72 deletions(-) diff --git a/fs/dax.c b/fs/dax.c index

[PATCH v6 66/99] page cache: Finish XArray conversion

From: Matthew Wilcox With no more radix tree API users left, we can drop the GFP flags and use xa_init() instead of INIT_RADIX_TREE(). Signed-off-by: Matthew Wilcox --- fs/inode.c | 2 +- include/linux/fs.h | 2 +- mm/swap_state.c| 2

Re: [PATCH v2] r8152: disable RX aggregation on Dell TB16 dock

From: Kai-Heng Feng Date: Tue, 16 Jan 2018 16:46:27 +0800 > r8153 on Dell TB15/16 dock corrupts rx packets. > > This change is suggested by Realtek. They guess that the XHCI controller > doesn't have enough buffer, and their guesswork is correct, once the RX >

[PATCH v6 67/99] mm: Convert cgroup writeback to XArray

From: Matthew Wilcox This is a fairly naive conversion, leaving in place the GFP_ATOMIC allocation. By switching the locking around, we could use GFP_KERNEL and probably simplify the error handling. Signed-off-by: Matthew Wilcox ---

[PATCH v6 69/99] brd: Convert to XArray

From: Matthew Wilcox Convert brd_pages from a radix tree to an XArray. Simpler and smaller code; in particular another user of radix_tree_preload is eliminated. Signed-off-by: Matthew Wilcox --- drivers/block/brd.c | 93

[PATCH v6 68/99] vmalloc: Convert to XArray

From: Matthew Wilcox The radix tree of vmap blocks is simpler to express as an XArray. Saves a couple of hundred bytes of text and eliminates a user of the radix tree preload API. Signed-off-by: Matthew Wilcox --- mm/vmalloc.c | 39

  1   2   >