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2016-11-21arm64: dts: m3ulcb: initial device treeVladimir Barinov2-1/+52
Add the initial device tree for the R8A7796 SoC based M3ULCB low cost board (R-Car Starter Kit Pro) This commit supports the following peripherals: - SCIF (console) Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-11-21arm64: dts: m3ulcb: add M3ULCB board DT bindingsVladimir Barinov1-0/+2
Add M3ULCB Device tree bindings Documentation, listing it as a supported board. Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-11-21arm64: dts: h3ulcb: update headerVladimir Barinov1-1/+1
This updates H3ULCB device tree header with official board name Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-11-21arm64: dts: h3ulcb: update documentation with official board nameVladimir Barinov1-1/+1
This updates H3ULCB Device tree bindings Documentation with official board name Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-11-21arm64: dts: r8a7796: salvator-x: enable I2CUlrich Hecht1-0/+12
Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-11-21arm64: dts: r8a7796: Enable I2C DMAUlrich Hecht1-0/+17
Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-11-21arm64: dts: r8a7796: add I2C supportUlrich Hecht1-0/+94
Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-11-04arm64: renesas: r8a7796: add SYS-DMAC controller nodesUlrich Hecht1-0/+99
Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-11-04arm64: dts: r8a7795: salvator-x: add bias setting for usb1_pinsYoshihiro Shimoda1-2/+14
Since this board doesn't mount pull-up/down registers for USB1_{OVC,PWEN} pins, we should enable bias setting to pull these pins up/down. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-11-04arm64: dts: r8a7796: salvator: enable on board eMMCWolfram Sang1-1/+43
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-11-04arm64: dts: r8a7795: salvator: enable on-board eMMCWolfram Sang1-0/+43
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-11-04arm64: dts: r8a7796: salvator-x: enable UHS for SDHI 0 & 3Simon Horman1-2/+20
Based on work for the r8a7796 by Wolfram Sang. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
2016-11-04arm64: dts: r8a7796: salvator-x: enable SDHI0 & 3Simon Horman1-0/+84
Enable the exposed SD card slots in the DT of the r8a7796/salvator-x. Based on work for the r8a7795/salvator-x by Ai Kyuse. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
2016-10-27arm64: dts: r8a7796: add SDHI nodesSimon Horman1-0/+40
Add SDHI nodes to the DT of the r8a7796 SoC. Based on the DT of the r8a7795 SoC. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
2016-10-27arm64: dts: r8a7795: Remove FCP SoC-specific compatible stringsLaurent Pinchart1-12/+12
The SoC-specific compatible strings have been removed from the FCP DT bindings, removed them from the device tree. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-10-27dt-bindings: media: renesas-fcp: Remove SoC-specific compatible stringsLaurent Pinchart1-7/+1
The FCP IP cores include a version register that identifies which SoC model the IP is integrated in. SoC-specific compatible strings are not needed. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-10-17arm64: dts: r8a7795: salvator-x: Add DU LVDS output endpointLaurent Pinchart1-0/+4
Declaring the endpoint makes LVDS enablement easier by just including the corresponding panel's dtsi file. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-10-17arm64: dts: r8a7796: salvator-x: Populate EXTALRGeert Uytterhoeven1-0/+4
It can be used for the watchdog. Based on similar work for r8a7795/salvator-x by Wolfram Sang. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-10-17arm64: dts: r8a7795: salvator-x: enable UHS for SDHI 0 & 3Wolfram Sang1-2/+20
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-10-15Linux 4.9-rc1Linus Torvalds1-2/+2
2016-10-14score: traps: Add missing include file to fix build errorGuenter Roeck1-0/+1
score images fail to build as follows. arch/score/kernel/traps.c: In function 'show_stack': arch/score/kernel/traps.c:55:3: error: implicit declaration of function '__get_user' __get_user() is declared in asm/uaccess.h, which was previously included through asm/module.h. Cc: Al Viro <viro@zeniv.linux.org.uk> Fixes: 88dd4a748da7 ("score: separate extable.h, switch module.h to it") Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-10-14fs/super.c: don't fool lockdep in freeze_super() and thaw_super() pathsOleg Nesterov1-12/+25
sb_wait_write()->percpu_rwsem_release() fools lockdep to avoid the false-positives. Now that xfs was fixed by Dave's commit dbad7c993053 ("xfs: stop holding ILOCK over filldir callbacks") we can remove it and change freeze_super() and thaw_super() to run with s_writers.rw_sem locks held; we add two trivial helpers for that, lockdep_sb_freeze_release() and lockdep_sb_freeze_acquire(). xfstests-dev/check `grep -il freeze tests/*/???` does not trigger any warning from lockdep. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-10-14fs/super.c: fix race between freeze_super() and thaw_super()Oleg Nesterov1-3/+3
Change thaw_super() to check frozen != SB_FREEZE_COMPLETE rather than frozen == SB_UNFROZEN, otherwise it can race with freeze_super() which drops sb->s_umount after SB_FREEZE_WRITE to preserve the lock ordering. In this case thaw_super() will wrongly call s_op->unfreeze_fs() before it was actually frozen, and call sb_freeze_unlock() which leads to the unbalanced percpu_up_write(). Unfortunately lockdep can't detect this, so this triggers misc BUG_ON()'s in kernel/rcu/sync.c. Reported-and-tested-by: Nikolay Borisov <kernel@kyup.com> Signed-off-by: Oleg Nesterov <oleg@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-10-14overlayfs: Fix setting IOP_XATTR flagVivek Goyal1-5/+6
ovl_fill_super calls ovl_new_inode to create a root inode for the new superblock before initializing sb->s_xattr. This wrongly causes IOP_XATTR to be cleared in i_opflags of the new inode, causing SELinux to log the following message: SELinux: (dev overlay, type overlay) has no xattr support Fix this by initializing sb->s_xattr and similar fields before calling ovl_new_inode. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-10-14iov_iter: kernel-doc import_iovec() and rw_copy_check_uvector()Vegard Nossum2-0/+51
Both import_iovec() and rw_copy_check_uvector() take an array (typically small and on-stack) which is used to hold an iovec array copy from userspace. This is to avoid an expensive memory allocation in the fast path (i.e. few iovec elements). The caller may have to check whether these functions actually used the provided buffer or allocated a new one -- but this differs between the too. Let's just add a kernel doc to clarify what the semantics are for each function. Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-10-14CIFS: Retrieve uid and gid from special sid if enabledSteve French1-0/+123
New mount option "idsfromsid" indicates to cifs.ko that it should try to retrieve the uid and gid owner fields from special sids. This patch adds the code to parse the owner sids in the ACL to see if they match, and if so populate the uid and/or gid from them. This is faster than upcalling for them and asking winbind, and is a fairly common case, and is also helpful when cifs.upcall and idmapping is not configured. Signed-off-by: Steve French <steve.french@primarydata.com> Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
2016-10-14CIFS: Add new mount option to set owner uid and gid from special sids in aclSteve French4-1/+11
Add "idsfromsid" mount option to indicate to cifs.ko that it should try to retrieve the uid and gid owner fields from special sids in the ACL if present. This first patch just adds the parsing for the mount option. Signed-off-by: Steve French <steve.french@primarydata.com> Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
2016-10-14qedr: Add events support and register IB deviceRam Amrani3-2/+158
Add error handling support. Register ib device with ib stack. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-14qedr: Add GSI supportRam Amrani7-1/+706
Add support for GSI over light L2. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-14qedr: Add LL2 RoCE interfaceRam Amrani2-2/+34
Add light L2 interface for RoCE. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-14qedr: Add support for data pathRam Amrani5-1/+1614
Implement fastpath verbs like ib_send_post, ib_post_recv and ib_poll_cq. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-14qedr: Add support for memory registeration verbsRam Amrani4-1/+425
Add support for user, dma and memory regions registration. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-14qedr: Add support for QP verbsRam Amrani7-1/+1320
Add support for Queue Pair verbs which adds, deletes, modifies and queries Queue Pairs. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-14qedr: Add support for PD,PKEY and CQ verbsRam Amrani6-1/+777
Add support for protection domain and completion queue verbs. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-14qedr: Add support for user context verbsRam Amrani6-1/+622
Add support for ucontext, query port, add and del gid verbs. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-14qedr: Add support for RoCE HW initRam Amrani4-2/+691
Allocate and setup RoCE resources, interrupts and completion queues. Adds device attributes. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-14qedr: Add RoCE driver frameworkRam Amrani8-11/+331
Adds a skeletal implementation of the qed* RoCE driver - basically the ability to communicate with the qede driver and receive notifications from it regarding various init/exit events. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-14pkeys: Remove easily triggered WARNDave Jones1-1/+0
This easy-to-trigger warning shows up instantly when running Trinity on a kernel with CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS disabled. At most this should have been a printk, but the -EINVAL alone should be more than adequate indicator that something isn't available. Signed-off-by: Dave Jones <davej@codemonkey.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-10-14MIPS: Wire up new pkey_{mprotect,alloc,free} syscallsRalf Baechle5-6/+28
Signed-off-by: Marcin Nowakowski <marcin.nowakowski@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14380/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-10-14ovl: use vfs_get_link()Miklos Szeredi2-49/+7
Resulting in a complete removal of a function basically implementing the inverse of vfs_readlink(). As a bonus, now the proper security hook is also called. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2016-10-14vfs: add vfs_get_link() helperMiklos Szeredi2-0/+26
This helper is for filesystems that want to read the symlink and are better off with the get_link() interface (returning a char *) rather than the readlink() interface (copy into a userspace buffer). Also call the LSM hook for readlink (not get_link) since this is for symlink reading not following. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2016-10-14ovl: use generic_readlinkMiklos Szeredi1-20/+1
All filesystems that are backers for overlayfs would also use generic_readlink(). Move this logic to the overlay itself, which is a nice cleanup. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2016-10-14ovl: explain error values when removing acl from workdirMiklos Szeredi1-0/+13
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2016-10-13CIFS: Reset read oplock to NONE if we have mandatory locks after reopenPavel Shilovsky1-0/+9
We are already doing the same thing for an ordinary open case: we can't keep read oplock on a file if we have mandatory byte-range locks because pagereading can conflict with these locks on a server. Fix it by setting oplock level to NONE. Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com> Signed-off-by: Steve French <smfrench@gmail.com>
2016-10-13CIFS: Fix persistent handles re-opening on reconnectPavel Shilovsky2-5/+18
openFileList of tcon can be changed while cifs_reopen_file() is called that can lead to an unexpected behavior when we return to the loop. Fix this by introducing a temp list for keeping all file handles that need to be reopen. Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com> Signed-off-by: Steve French <smfrench@gmail.com>
2016-10-13SMB2: Separate RawNTLMSSP authentication from SMB2_sess_setupSachin Prabhu1-199/+162
We split the rawntlmssp authentication into negotiate and authencate parts. We also clean up the code and add helpers. Signed-off-by: Sachin Prabhu <sprabhu@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
2016-10-13SMB2: Separate Kerberos authentication from SMB2_sess_setupSachin Prabhu1-46/+230
Add helper functions and split Kerberos authentication off SMB2_sess_setup. Signed-off-by: Sachin Prabhu <sprabhu@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
2016-10-13Expose cifs module parameters in sysfsGermano Percossi1-3/+3
/sys/module/cifs/parameters should display the three other module load time configuration settings for cifs.ko Signed-off-by: Germano Percossi <germano.percossi@citrix.com> Signed-off-by: Steve French <steve.french@primarydata.com>
2016-10-13Cleanup missing frees on some ioctlsSteve French1-5/+4
Cleanup some missing mem frees on some cifs ioctls, and clarify others to make more obvious that no data is returned. CC: Stable <stable@vger.kernel.org> Signed-off-by: Steve French <smfrench@gmail.com> Acked-by: Sachin Prabhu <sprabhu@redhat.com>
2016-10-13Enable previous version supportSteve French4-2/+72
Add ioctl to query previous versions of file Allows listing snapshots on files on SMB3 mounts. Signed-off-by: Steve French <smfrench@gmail.com>
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