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2016-07-26Btrfs: subpage-blocksize: Rate limit scrub error messageChandan Rajendra
btrfs/073 invokes scrub ioctl in a tight loop. In subpage-blocksize scenario this results in a lot of "scrub: size assumption sectorsize != PAGE_SIZE " messages being printed on the console. To reduce the number of such messages this commit uses btrfs_err_rl() instead of btrfs_err(). Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com> Signed-off-by: David Sterba <dsterba@suse.com>
2016-07-26btrfs: expand cow_file_range() to support in-band dedup and subpage-blocksizeWang Xiaoguang
Extract cow_file_range() new parameters for both in-band dedupe and subpage sector size patchset. This should make conflict of both patchset to minimal, and reduce the effort needed to rebase them. Cc: Chandan Rajendra <chandan@linux.vnet.ibm.com> Cc: David Sterba <dsterba@suse.cz> Signed-off-by: Wang Xiaoguang <wangxg.fnst@cn.fujitsu.com> Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
2016-07-26Btrfs: fix BUG_ON in btrfs_submit_compressed_writeLiu Bo
This is similar to btrfs_submit_compressed_read(), if we fail after bio is allocated, then we can use bio_endio() and errors are saved in bio->bi_error. But please note that we don't return errors to its caller because the caller assumes it won't call endio to cleanup on error. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2016-07-26btrfs: make sure device is synced before returnAnand Jain
An inconsistent behavior due to stale reads from the disk was reported mail-archive.com/linux-btrfs@vger.kernel.org/msg54188.html This patch will make sure devices are synced before return in the unmount thread. Signed-off-by: Anand Jain <anand.jain@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2016-07-26btrfs: reorg btrfs_close_one_device()Anand Jain
Moves closer to the caller and removes declaration Signed-off-by: Anand Jain <anand.jain@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2016-07-26btrfs: Cleanup compress_file_range()Ashish Samant
Remove unnecessary checks in compress_file_range(). Signed-off-by: Ashish Samant <ashish.samant@oracle.com> [ minor coding style fixups ] Signed-off-by: David Sterba <dsterba@suse.com>
2016-07-26Btrfs: cleanup BUG_ON in merge_bioLiu Bo
One can use btrfs-corrupt-block to hit BUG_ON() in merge_bio(), thus this aims to stop anyone to panic the whole system by using their btrfs. Since the error in merge_bio can only come from __btrfs_map_block() when chunk tree mapping has something insane and __btrfs_map_block() has already had printed the reason, we can just return errors in merge_bio. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2016-07-26btrfs: Fix slab accounting flagsNikolay Borisov
BTRFS is using a variety of slab caches to satisfy internal needs. Those slab caches are always allocated with the SLAB_RECLAIM_ACCOUNT, meaning allocations from the caches are going to be accounted as SReclaimable. At the same time btrfs is not registering any shrinkers whatsoever, thus preventing memory from the slabs to be shrunk. This means those caches are not in fact reclaimable. To fix this remove the SLAB_RECLAIM_ACCOUNT on all caches apart from the inode cache, since this one is being freed by the generic VFS super_block shrinker. Also set the transaction related caches as SLAB_TEMPORARY, to better document the lifetime of the objects (it just translates to SLAB_RECLAIM_ACCOUNT). Signed-off-by: Nikolay Borisov <n.borisov.lkml@gmail.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2016-07-26Btrfs: use the correct struct for BTRFS_IOC_LOGICAL_INOHans van Kranenburg
BTRFS_IOC_LOGICAL_INO takes a btrfs_ioctl_logical_ino_args as argument, not a btrfs_ioctl_ino_path_args. The lines were probably copy/pasted when the code was written. Since btrfs_ioctl_logical_ino_args and btrfs_ioctl_ino_path_args have the same size, the actual IOCTL definition here does not change. But, it makes the code less confusing for the reader. Signed-off-by: Hans van Kranenburg <hans.van.kranenburg@mendix.com> Signed-off-by: David Sterba <dsterba@suse.com>
2016-07-26btrfs: Replace -ENOENT by -ERANGE in btrfs_get_acl()Salah Triki
size contains the value returned by posix_acl_from_xattr(), which returns -ERANGE, -ENODATA, zero, or an integer greater than zero. So replace -ENOENT by -ERANGE. Signed-off-by: Salah Triki <salah.triki@gmail.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2016-07-26btrfs: Handle uninitialised inode evictionNikolay Borisov
The code flow in btrfs_new_inode allows for btrfs_evict_inode to be called with not fully initialised inode (e.g. ->root member not being set). This can happen when btrfs_set_inode_index in btrfs_new_inode fails, which in turn would call iput for the newly allocated inode. This in turn leads to vfs calling into btrfs_evict_inode. This leads to null pointer dereference. To handle this situation check whether the passed inode has root set and just free it in case it doesn't. Signed-off-by: Nikolay Borisov <kernel@kyup.com> Reviewed-by: Josef Bacik <jbacik@fb.com> Signed-off-by: David Sterba <dsterba@suse.com>
2016-07-26Btrfs: fix read_node_slot to return errorsLiu Bo
We use read_node_slot() to read btree node and it has two cases, a) slot is out of range, which means 'no such entry' b) we fail to read the block, due to checksum fails or corrupted content or not with uptodate flag. But we're returning NULL in both cases, this makes it return -ENOENT in case a) and return -EIO in case b), and this fixes its callers as well as btrfs_search_forward() 's caller to catch the new errors. The problem is reported by Peter Becker, and I can manage to hit the same BUG_ON by mounting my fuzz image. Reported-by: Peter Becker <floyd.net@gmail.com> Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2016-07-26Btrfs: fix double free of fs rootLiu Bo
I got this warning while mounting a btrfs image, [ 3020.509606] ------------[ cut here ]------------ [ 3020.510107] WARNING: CPU: 3 PID: 5581 at lib/idr.c:1051 ida_remove+0xca/0x190 [ 3020.510853] ida_remove called for id=42 which is not allocated. [ 3020.511466] Modules linked in: [ 3020.511802] CPU: 3 PID: 5581 Comm: mount Not tainted 4.7.0-rc5+ #274 [ 3020.512438] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.8.2-20150714_191134- 04/01/2014 [ 3020.513385] 0000000000000286 0000000021295d86 ffff88006c66b8f0 ffffffff8182ba5a [ 3020.514153] 0000000000000000 0000000000000009 ffff88006c66b930 ffffffff810e0ed7 [ 3020.514928] 0000041b00000000 ffffffff8289a8c0 ffff88007f437880 0000000000000000 [ 3020.515717] Call Trace: [ 3020.515965] [<ffffffff8182ba5a>] dump_stack+0xc9/0x13f [ 3020.516487] [<ffffffff810e0ed7>] __warn+0x147/0x160 [ 3020.517005] [<ffffffff810e0f4f>] warn_slowpath_fmt+0x5f/0x80 [ 3020.517572] [<ffffffff8182e6ca>] ida_remove+0xca/0x190 [ 3020.518075] [<ffffffff813a2bcc>] free_anon_bdev+0x2c/0x60 [ 3020.518609] [<ffffffff81657a9f>] free_fs_root+0x13f/0x160 [ 3020.519138] [<ffffffff8165c679>] btrfs_get_fs_root+0x379/0x3d0 [ 3020.519710] [<ffffffff81e6e975>] ? __mutex_unlock_slowpath+0x155/0x2c0 [ 3020.520366] [<ffffffff816615b1>] open_ctree+0x2e91/0x3200 [ 3020.520965] [<ffffffff8161ede2>] btrfs_mount+0x1322/0x15b0 [ 3020.521536] [<ffffffff81e60e74>] ? kmemleak_alloc_percpu+0x44/0x170 [ 3020.522167] [<ffffffff8115f5e1>] ? lockdep_init_map+0x61/0x210 [ 3020.522780] [<ffffffff813a4f59>] mount_fs+0x49/0x2c0 [ 3020.523305] [<ffffffff813d840c>] vfs_kern_mount+0xac/0x1b0 [ 3020.523872] [<ffffffff8161dee1>] btrfs_mount+0x421/0x15b0 [ 3020.524402] [<ffffffff81e60e74>] ? kmemleak_alloc_percpu+0x44/0x170 [ 3020.525045] [<ffffffff8115f5e1>] ? lockdep_init_map+0x61/0x210 [ 3020.525657] [<ffffffff8115f5e1>] ? lockdep_init_map+0x61/0x210 [ 3020.526289] [<ffffffff813a4f59>] mount_fs+0x49/0x2c0 [ 3020.526803] [<ffffffff813d840c>] vfs_kern_mount+0xac/0x1b0 [ 3020.527365] [<ffffffff813dc27a>] do_mount+0x41a/0x1770 [ 3020.527899] [<ffffffff812e800d>] ? strndup_user+0x6d/0xc0 [ 3020.528447] [<ffffffff812e7f68>] ? memdup_user+0x78/0xb0 [ 3020.528987] [<ffffffff813ddad0>] SyS_mount+0x150/0x160 [ 3020.529493] [<ffffffff81e72b7c>] entry_SYSCALL_64_fastpath+0x1f/0xbd It turns out that we free fs root twice, btrfs_init_fs_root() calls free_anon_bdev(root->anon_dev) and later then btrfs_get_fs_root() cals free_fs_root which does another free_anon_bdev() and it ends up with the above warning. Instead of reset root->anon_dev to 0 after free_anon_bdev(), we can let btrfs_init_fs_root() return directly since its callers have already done the free job by calling free_fs_root(). Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Reviewed-by: David Sterba <dsterba@suse.com> Reviewed-by: Chandan Rajendra <chandan@linux.vnet.ibm.com> Signed-off-by: David Sterba <dsterba@suse.com>
2016-07-26Btrfs: error out if generic_bin_search get invalid argumentsLiu Bo
With btrfs-corrupt-block, one can set btree node/leaf's field, if we assign a negative value to node/leaf, we can get various hangs, eg. if extent_root's nritems is -2ULL, then we get stuck in btrfs_read_block_groups() because it has a while loop and btrfs_search_slot() on extent_root will always return the first child. This lets us know what's happening and returns a EINVAL to callers instead of returning the first item. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2016-07-26Btrfs: check inconsistence between chunk and block groupLiu Bo
With btrfs-corrupt-block, one can drop one chunk item and mounting will end up with a panic in btrfs_full_stripe_len(). This doesn't not remove the BUG_ON, but instead checks it a bit earlier when we find the block group item. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2016-07-26btrfs: add missing bytes_readonly attribute file in sysfsWang Xiaoguang
Signed-off-by: Wang Xiaoguang <wangxg.fnst@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
2016-07-26sound: oss: Use kernel_read_file_from_path() for mod_firmware_load()Takashi Iwai
Since recently we have kernel_read_file_from_path(), and it's doing the same thing as our own home-baked mod_firmware_load(). Let's use the official API function and clean up the old code. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2016-07-26Merge tag 'asoc-v4.8' of ↵Takashi Iwai
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus ASoC: Updates for v4.8 Not really any framework work this time around (though we have seen one of the Analog Devices drivers move more to the clock API which is good to see) but rather a lot of new drivers: - Lots of updates for the Intel drivers, mostly board support and bug fixing, and to the NAU8825 driver. - Work on generalizing bits of simple-card to allow more code sharing with the Renesas rsrc-card (which can't use simple-card due to DPCM). - Removal of the Odroid X2 driver due to replacement with simple-card. - Support for several new Mediatek platforms and associated boards. - New drivers for Allwinner A10, Analog Devices ADAU7002, Broadcom Cygnus, Cirrus Logic CS35L33 and CS53L30, Maxim MAX8960 and MAX98504, Realtek RT5514 and Wolfson WM8758
2016-07-26Backmerge tag 'v4.7' into drm-nextDave Airlie
Linux 4.7 As requested by Daniel Vetter as the conflicts were getting messy.
2016-07-26i2c: i801: use IS_ENABLED() instead of checking for built-in or moduleJavier Martinez Canillas
The IS_ENABLED() macro checks if a Kconfig symbol has been enabled either built-in or as a module, use that macro instead of open coding the same. Using the macro makes the code more readable by helping abstract away some of the Kconfig built-in and module enable details. Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2016-07-25Merge branch 'xgene-fix-mod-crash-and-1g-hotplug'David S. Miller
Iyappan Subramanian says: ==================== drivers: net: xgene: Fix module crash and 1G hot-plug This patchset addresses the following issues, 1. Fixes the kernel crash when the driver loaded as an kernel module - by fixing hardware cleanups and rearrange kernel API calls 2. Hot-plug issue on the SGMII 1G interface - by adding a driver for MDIO management Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Tested-by: Fushen Chen <fchen@apm.com> Tested-by: Toan Le <toanle@apm.com> --- v7: Address review comments from v6 - fixed kbuild warnings - unmapped DMA memory on xgene_enet_delete_bufpool() - delete descriptor rings and buffer pools on cle_init() failure - fixed error deconstruction path on probe v6: Address review comments from v5 - changed to use devm_ioremap_resource - changed to return PTR_ERR(clk) on failure - cleaned up and removed indirections - exported mdio read/write and phy_register functions - changed mii_bus is to indicate interface instance - changed to call the exported mdio read/write and phy_register functions v5: Address review comments from v4 - Fixed clock reset sequence by adding delay - Fixed clock count by adding clk_unprepare_disable() in port shutdown v4: Address review comments from v3 - Reorganized into smaller patches - Added wrapper functions for sgmii_control_reset and sgmii_tbi_control_reset - Removed clk_get warning info - mdio: Changed the order of 'if' statements and removed the 'else' statement - mdio: Removed the mdio_read(write) indirection wrapper functions - ethtool: Fixed SGMII 1G get_settings and set_settings - Documentation: dtb: Added MDIO node information - MAINTAINERS: Added MDIO driver and documentation path v3: Address review comments from v2 - Add comment about hardware clock reset sequence on xgene_mdio_reset v2: Address review comments from v1 - Fixed patch 1 compilation error - Fixed mdio@1f610000 xge0clk reference - Squashed dtb patches - Added PORT_OFFSET macro v1: - Initial version ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25MAINTAINERS: xgene: Add driver and documentation pathIyappan Subramanian
Added path to the MDIO driver and Documentation file. Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25Documentation: dtb: xgene: Add MDIO nodeIyappan Subramanian
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Tested-by: Fushen Chen <fchen@apm.com> Tested-by: Toan Le <toanle@apm.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25dtb: xgene: Add MDIO nodeIyappan Subramanian
Added mdio node for mdio driver. Also added phy-handle reference to the ethernet nodes. Removed unused clock node from storm sgenet1. Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Tested-by: Fushen Chen <fchen@apm.com> Tested-by: Toan Le <toanle@apm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25drivers: net: xgene: ethtool: Use phy_ethtool_gset and ssetIyappan Subramanian
Changed SGMII 1G get_settings to use phy_ethtool_gset. Changed SGMII 1G set_settings to use phy_ethtool_sset. Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Tested-by: Fushen Chen <fchen@apm.com> Tested-by: Toan Le <toanle@apm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25drivers: net: xgene: Use exported functionsIyappan Subramanian
This patch reuses the mdio read/write and phy_register functions and removed the local definitions. Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Tested-by: Fushen Chen <fchen@apm.com> Tested-by: Toan Le <toanle@apm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25drivers: net: xgene: Enable MDIO driverIyappan Subramanian
This patch enables MDIO driver by, - Selecting MDIO_XGENE - Changed open and close to use phy_start and phy_stop - Changed to use mac_ops->tx(rx)_enable and tx(rx)_disable Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Tested-by: Fushen Chen <fchen@apm.com> Tested-by: Toan Le <toanle@apm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25drivers: net: xgene: Add backward compatibilityIyappan Subramanian
This patch adds xgene_enet_check_phy_hanlde() function that checks whether MDIO driver is probed successfully and sets pdata->mdio_driver to true. If MDIO driver is not probed, ethernet driver falls back to backward compatibility mode. Since enum xgene_enet_cmd is used by MDIO driver, removing this from ethernet driver. Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Tested-by: Fushen Chen <fchen@apm.com> Tested-by: Toan Le <toanle@apm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25drivers: net: phy: xgene: Add MDIO driverIyappan Subramanian
Currently, SGMII based 1G rely on the hardware registers for link state and sometimes it's not reliable. To get most accurate link state, this interface has to use the MDIO bus to poll the PHY. In X-Gene SoC, MDIO bus is shared across RGMII and SGMII based 1G interfaces, so adding this driver to manage MDIO bus. This driver registers the mdio bus and registers the PHYs connected to it. Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Tested-by: Fushen Chen <fchen@apm.com> Tested-by: Toan Le <toanle@apm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25drivers: net: xgene: Fix module unload crash - clkrst sequenceIyappan Subramanian
This patch fixes clock reset sequence. - Added clock reset sequence for ACPI - Added delay in clock reset sequence to make sure pulse is generated - Added clk_unprepare_disable() in port shutdown to make sure clock increment/decrement counts are matching - Removed MII_MGMT_CONFIG programming, since it is not required - Fixed programming XGENET_CONFIG_REG to enable SGMII mode Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Tested-by: Fushen Chen <fchen@apm.com> Tested-by: Toan Le <toanle@apm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25drivers: net: xgene: Fix module unload crash - change sw sequenceIyappan Subramanian
When the driver is configured as kernel module and when it gets unloaded and reloaded, kernel crash was observed. This patch addresses the software cleanup by doing the following, - Moved register_netdev call after hardware is ready - Since ndev is not ready, added set_irq_name to set irq name - Since ndev is not ready, changed mdio_bus->parent to pdev->dev - Replaced netif_start(stop)_queue by netif_tx_start(stop)_queues - Removed napi_del call since it's called by free_netdev - Added dev_close call, within remove - Added shutdown callback - Changed to use dmam_ APIs Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Tested-by: Fushen Chen <fchen@apm.com> Tested-by: Toan Le <toanle@apm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25drivers: net: xgene: Fix module unload crash - hw resource cleanupIyappan Subramanian
When the driver is configured as kernel module and when it gets unloaded and reloaded, kernel crash was observed. This patch address the hardware resource cleanups by doing the following, - Added mac_ops->clear() to do prefetch buffer clean up - Fixed delete freepool buffers logic - Reordered mac_enable and mac_disable - Added Tx completion ring free - Moved down delete_desc_rings after ring cleanup Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Tested-by: Fushen Chen <fchen@apm.com> Tested-by: Toan Le <toanle@apm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25drivers: net: xgene: Separate set_speed from mac_initIyappan Subramanian
Since mac_init is too heavy to be called when the link changes, moved the speed_set configuration to a new function and added mac_ops->set_speed function pointer. This function will be called from adjust_link callback. Added cases for 10/100 support for SGMII based 1G interface. Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Tested-by: Fushen Chen <fchen@apm.com> Tested-by: Toan Le <toanle@apm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25Merge branch 'refactor-tc_action-structs'David S. Miller
Cong Wang says: ==================== net_sched: refactor tc action structures These two patches factor out the struct tcf_common. v2: fix a compile warning ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25net_sched: get rid of struct tcf_commonWANG Cong
After the previous patch, struct tc_action should be enough to represent the generic tc action, tcf_common is not necessary any more. This patch gets rid of it to make tc action code more readable. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25net_sched: move tc_action into tcf_commonWANG Cong
struct tc_action is confusing, currently we use it for two purposes: 1) Pass in arguments and carry out results from helper functions 2) A generic representation for tc actions The first one is error-prone, since we need to make sure we don't miss anything. This patch aims to get rid of this use, by moving tc_action into tcf_common, so that they are allocated together in hashtable and can be cast'ed easily. And together with the following patch, we could really make tc_action a generic representation for all tc actions and each type of action can inherit from it. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25ipvlan: Scrub skb before crossing the namespace boundryMahesh Bandewar
The earlier patch c3aaa06d5a63 (ipvlan: scrub skb before routing in L3 mode.) did this but only for TX path in L3 mode. This patch extends it for both the modes for TX/RX path. Signed-off-by: Mahesh Bandewar <maheshb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25Merge branch 'bnxt_en-improve-ntuple-and-new-IDs'David S. Miller
Michael Chan says: ==================== bnxt_en: Improve ntuple filters and add new IDs. Improve ntuple filters and add some new PCI device IDs. Please review for net-next. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25bnxt_en: Add new NPAR and dual media device IDs.Michael Chan
Add 5741X/5731X NPAR device IDs and dual media SFP/10GBase-T device IDs. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25bnxt_en: Log a message, if enabling NTUPLE filtering fails.Vasundhara Volam
If there are not enough resources to enable ntuple filtering, log a warning message. v2: Use single message and add missing newline. Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25bnxt_en: Improve ntuple filters by checking destination MAC address.Michael Chan
Include the destination MAC address in the ntuple filter structure. The current code assumes that the destination MAC address is always the MAC address of the NIC. This may not be true if there are macvlans, for example. Add destination MAC address checking and configure the filter correctly using the correct index for the destination MAC address. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25qed: Fix setting/clearing bit in completion bitmapManish Chopra
Slowpath completion handling is incorrectly changing SPQ_RING_SIZE bits instead of a single one. Fixes: 76a9a3642a0b ("qed: fix handling of concurrent ramrods") Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25udp: use sk_filter_trim_cap for udp{,6}_queue_rcv_skbDaniel Borkmann
After a612769774a3 ("udp: prevent bugcheck if filter truncates packet too much"), there followed various other fixes for similar cases such as f4979fcea7fd ("rose: limit sk_filter trim to payload"). Latter introduced a new helper sk_filter_trim_cap(), where we can pass the trim limit directly to the socket filter handling. Make use of it here as well with sizeof(struct udphdr) as lower cap limit and drop the extra skb->len test in UDP's input path. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Cc: Willem de Bruijn <willemb@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25caif-hsi: Remove deprecated create_singlethread_workqueueBhaktipriya Shridhar
alloc_workqueue replaces deprecated create_singlethread_workqueue(). A dedicated workqueue has been used since the workitems are being used on a packet tx/rx path. Hence, WQ_MEM_RECLAIM has been set to guarantee forward progress under memory pressure. An ordered workqueue has been used since workitems &cfhsi->wake_up_work and &cfhsi->wake_down_work cannot be run concurrently. Calls to flush_workqueue() before destroy_workqueue() have been dropped since destroy_workqueue() itself calls drain_workqueue() which flushes repeatedly till the workqueue becomes empty. Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25Merge branch 'irq-core-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq updates from Thomas Gleixner: "The irq department delivers: - new core infrastructure to allow better management of multi-queue devices (interrupt spreading, node aware descriptor allocation ...) - a new interrupt flow handler to support the new fangled Intel VMD devices. - yet another new interrupt controller driver. - a series of fixes which addresses sparse warnings, missing includes, missing static declarations etc from Ben Dooks. - a fix for the error handling in the hierarchical domain allocation code. - the usual pile of small updates to core and driver code" * 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (46 commits) genirq: Fix missing irq allocation affinity hint irqdomain: Fix irq_domain_alloc_irqs_recursive() error handling irq/Documentation: Correct result of echnoing 5 to smp_affinity MAINTAINERS: Remove Jiang Liu from irq domains genirq/msi: Fix broken debug output genirq: Add a helper to spread an affinity mask for MSI/MSI-X vectors genirq/msi: Make use of affinity aware allocations genirq: Use affinity hint in irqdesc allocation genirq: Add affinity hint to irq allocation genirq: Introduce IRQD_AFFINITY_MANAGED flag genirq/msi: Remove unused MSI_FLAG_IDENTITY_MAP irqchip/s3c24xx: Fixup IO accessors for big endian irqchip/exynos-combiner: Fix usage of __raw IO irqdomain: Fix disposal of mappings for interrupt hierarchies irqchip/aspeed-vic: Add irq controller for Aspeed doc/devicetree: Add Aspeed VIC bindings x86/PCI/VMD: Use untracked irq handler genirq: Add untracked irq handler irqchip/mips-gic: Populate irq_domain names irqchip/gicv3-its: Implement two-level(indirect) device table support ...
2016-07-26selftests/powerpc: exec() with suspended transactionCyril Bur
Perform an exec() class syscall with a suspended transaction. This is a test for the bug we fixed in 8e96a87c5431 ("powerpc/tm: Always reclaim in start_thread() for exec() class syscalls"). Signed-off-by: Cyril Bur <cyrilbur@gmail.com> [mpe: Fix build errors, use a single binary for the test] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-07-26powerpc: Improve comment explaining why we modify VRSAVEAnton Blanchard
The comment explaining why we modify VRSAVE is misleading, glibc does rely on the behaviour. Update the comment. Signed-off-by: Anton Blanchard <anton@samba.org> Reviewed-by: Cyril Bur <cyrilbur@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-07-26powerpc/mm: Drop unused externs for hpte_init_beat[_v3]()Michael Ellerman
We removed the BEAT support in 2015 in commit bf4981a00636 ("powerpc: Remove the celleb support"). These externs are unused since then. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-07-26powerpc/mm: Rename hpte_init_lpar() and move the fallback to a headerMichael Ellerman
hpte_init_lpar() is part of the pseries platform, so name it as such. Move the fallback implementation for when PSERIES=n into the header, dropping the weak implementation. The panic() is now handled by the calling code. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-07-26powerpc/mm: Fix build break when PPC_NATIVE=nMichael Ellerman
The recent commit to rework the hash MMU setup broke the build when CONFIG_PPC_NATIVE=n. Fix it by adding an IS_ENABLED() check before calling hpte_init_native(). Removing the else clause opens the possibility that we don't set any ops, which would probably lead to a strange crash later. So add a check that we correctly initialised at least one member of the struct. Fixes: 166dd7d3fbf2 ("powerpc/64: Move MMU backend selection out of platform code") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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