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2015-03-20README: Update version number referenceJeff Kirsher1-17/+17
When 4.0 is released, the README should reflect the new numbering. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-03-20doc:pci: Fix typo in Documentation/PCIMasanari Iida3-6/+6
This patch fix spelling typo in Documentation/PCI. Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-03-20Documentation: drm: Use '->' when describing access through pointers.Liviu Dudau1-1/+1
The documentation is trying to describe accessing a field through a pointer, but it is using '-<' instead of '->'. Fix that. Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-03-20Documentation: Remove mentioning of block barriersLeonid V. Fedorenchik1-27/+9
Remove mentioning of block barriers since they were removed. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Leonid V. Fedorenchik <leonidsbox@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-03-20Documentation/email-clients.txt: Fix one grammar mistake, add extra info ↵Giedrius Statkevičius1-1/+10
about TB Fix one grammar mistake (Allows->Allow) and add extra information about the external editor add-on of Thunderbird: the developer must make sure that their editor doesn't fork (IOW it mustn't return before closing) thus they should be careful how they configure the addon. Furthermore, add a tip how to do it with gvim. Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@gmail.com> [jc: some minor wording/formatting tweaks] Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-03-20kprobes: Update Documentation/kprobes.txtLi Bin1-2/+2
The patch 125e564("Move Kconfig.instrumentation to arch/Kconfig and init/Kconfig") had removed the "Instrumentation Support" menu, and the configurations under this had be moved to "General setup". Update Documentation/kprobes.txt to reflect this change. Signed-off-by: Li Bin <huawei.libin@huawei.com> Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-03-20Documentation: i2o: remove duplicate documentationWolfram Sang2-457/+0
We can remove the i2o documentation because a) the subsystem has been moved to staging with commit 2cbf7fe2d5d32a (i2o: move to staging) anyhow and b) the here removed files are present in the subsystem directory again. There, README even has an additional paragraph and the ioctl docs only differ in whitespaces. Well... Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-03-20Documentation: update the CONFIG_DEBUG_PAGEALLOC descriptionWang Long1-2/+2
The CONFIG_DEBUG_PAGEALLOC option now is located under "Kernel hacking" / "Memory Debugging" / "Debug page memory allocations". so we should update the description in kmemcheck.txt. Signed-off-by: Wang Long <long.wanglong@huawei.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-03-20mem-hotplug: fix typo in Documentation/memory-hotplug.txtSheng Yong1-1/+1
Fix a trivial typo in Documentation/memory-hotplug.txt. Signed-off-by: Sheng Yong <shengyong1@huawei.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-03-20doc: printk-formats: Fix %pU descriptionRasmus Villemoes1-1/+1
The documentation and the code disagrees; fix the former. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-03-20MSI-HOWTO.txt: remove reference on IRQF_DISABLEDValentin Rothberg1-12/+3
The IRQF_DISABLED is a NOOP and scheduled to be removed. According to Ingo Molnar in commit e58aa3d2d0cc01ad8d6f7f640a0670433f794922 (genirq: Run irq handlers with interrupts disabled), running IRQ handlers with interrupts enabled can cause stack overflows when the interrupt line of the issuing device is still active. This patch removes IRQF_DISABLED from this documentation. It was mentioned to be a solution to avoid deadlocks when a device uses multiple interrupts. As the flag is a NOOP this solution does not work anymore. Signed-off-by: Valentin Rothberg <Valentin.Rothberg@lip6.fr> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-03-20doc: add information about max_ptes_noneEbru Akagunduz1-0/+11
max_ptes_none specifies how many extra small pages (that are not already mapped) can be allocated when collapsing a group of small pages into one large page. /sys/kernel/mm/transparent_hugepage/khugepaged/max_ptes_none A higher value leads to use additional memory for programs. A lower value leads to gain less thp performance. Value of max_ptes_none can waste cpu time very little, you can ignore it. Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com> Reviewed-by: Rik van Riel <riel@redhat.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-03-20Documentation: add print bitmap descriptionWang Long1-0/+9
as the commit: "lib/vsprintf: implement bitmap printing through '%*pb[l]'" add an easy way to print bitmaps. so printk-formats.txt should reflect it. Signed-off-by: Wang Long <long.wanglong@huawei.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-03-19doc/input : Fix typos in Documentation/inputMasanari Iida6-7/+7
This patch fix spelling typos in Documentations/input. Signed-off-by: Masanari Iida <standby24x7@gmail.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-02-27Doc/memory-hotplug.txt: corrections and callback function prototypeHeinrich Schuchardt1-10/+35
Documentation/memory-hotplug.txt describes that a callback function can be added to the notification chain by calling hotplug_memory_notifier(). The function prototype of the callback function is mssing. This missing information is added by the patch. The description of the arguments of the callback function is reworked. The constants for the event types are corrected. The possible return values are explained. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-02-27Documentation/CodingStyle: improve text layoutPavel Kretov1-69/+72
Try to make coding style documentation look a bit more readable and consistent with the following: - indent every code example in C to first tab-stop; - surround every code example with empty lines, both top and bottom; - remove empty lines where text looked way too spare; - do not indent examples in elisp and kconfig; - do not do any non-whitespace changes. Signed-off-by: Pavel Kretov <firegurafiku@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-02-27Documentation/CodingStyle: fix tab-spaces mixturePavel Kretov1-4/+4
Coding style description has a irregular mixture of tabs and spaces in two places which is bad by any means and can possibly hurt somebody's sense of beauty. Signed-off-by: Pavel Kretov <firegurafiku@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-02-27Documentation: Add "@" in front of private structure members.Robert P. J. Day1-3/+3
Even "private" structure members need a leading "@" in their kernel-doc; otherwise, they will be treated as new section names in the resulting manual. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Acked-by: Randy Dunlap <rdunlap@infradead.org> Acked-By: Sebastian Reichel <sre@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-02-27Documentation: arm: Update for DT-only platformsGregory Fong2-6/+18
The documentation specified that a machine type is mandatory and made that assumption in a few places. However, for DT-only platforms, the current advice is that no machine type should be registered, so update accordingly. Signed-off-by: Gregory Fong <gregory.0xf0@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-02-22Linux 4.0-rc1v4.0-rc1Linus Torvalds1-4/+4
.. after extensive statistical analysis of my G+ polling, I've come to the inescapable conclusion that internet polls are bad. Big surprise. But "Hurr durr I'ma sheep" trounced "I like online polls" by a 62-to-38% margin, in a poll that people weren't even supposed to participate in. Who can argue with solid numbers like that? 5,796 votes from people who can't even follow the most basic directions? In contrast, "v4.0" beat out "v3.20" by a slimmer margin of 56-to-44%, but with a total of 29,110 votes right now. Now, arguably, that vote spread is only about 3,200 votes, which is less than the almost six thousand votes that the "please ignore" poll got, so it could be considered noise. But hey, I asked, so I'll honor the votes.
2015-02-22Merge tag 'ext4_for_linus' of ↵Linus Torvalds5-56/+108
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 Pull ext4 fixes from Ted Ts'o: "Ext4 bug fixes. We also reserved code points for encryption and read-only images (for which the implementation is mostly just the reserved code point for a read-only feature :-)" * tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: fix indirect punch hole corruption ext4: ignore journal checksum on remount; don't fail ext4: remove duplicate remount check for JOURNAL_CHECKSUM change ext4: fix mmap data corruption in nodelalloc mode when blocksize < pagesize ext4: support read-only images ext4: change to use setup_timer() instead of init_timer() ext4: reserve codepoints used by the ext4 encryption feature jbd2: complain about descriptor block checksum errors
2015-02-22Merge branch 'for-linus-2' of ↵Linus Torvalds70-758/+907
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull more vfs updates from Al Viro: "Assorted stuff from this cycle. The big ones here are multilayer overlayfs from Miklos and beginning of sorting ->d_inode accesses out from David" * 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (51 commits) autofs4 copy_dev_ioctl(): keep the value of ->size we'd used for allocation procfs: fix race between symlink removals and traversals debugfs: leave freeing a symlink body until inode eviction Documentation/filesystems/Locking: ->get_sb() is long gone trylock_super(): replacement for grab_super_passive() fanotify: Fix up scripted S_ISDIR/S_ISREG/S_ISLNK conversions Cachefiles: Fix up scripted S_ISDIR/S_ISREG/S_ISLNK conversions VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry) SELinux: Use d_is_positive() rather than testing dentry->d_inode Smack: Use d_is_positive() rather than testing dentry->d_inode TOMOYO: Use d_is_dir() rather than d_inode and S_ISDIR() Apparmor: Use d_is_positive/negative() rather than testing dentry->d_inode Apparmor: mediated_filesystem() should use dentry->d_sb not inode->i_sb VFS: Split DCACHE_FILE_TYPE into regular and special types VFS: Add a fallthrough flag for marking virtual dentries VFS: Add a whiteout dentry type VFS: Introduce inode-getting helpers for layered/unioned fs environments Infiniband: Fix potential NULL d_inode dereference posix_acl: fix reference leaks in posix_acl_create autofs4: Wrong format for printing dentry ...
2015-02-22Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-armLinus Torvalds1-1/+1
Pull ARM fix from Russell King: "Just one fix this time around. __iommu_alloc_buffer() can cause a BUG() if dma_alloc_coherent() is called with either __GFP_DMA32 or __GFP_HIGHMEM set. The patch from Alexandre addresses this" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: ARM: 8305/1: DMA: Fix kzalloc flags in __iommu_alloc_buffer()
2015-02-22autofs4 copy_dev_ioctl(): keep the value of ->size we'd used for allocationAl Viro1-2/+6
X-Coverup: just ask spender Cc: stable@vger.kernel.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-02-22procfs: fix race between symlink removals and traversalsAl Viro3-12/+22
use_pde()/unuse_pde() in ->follow_link()/->put_link() resp. Cc: stable@vger.kernel.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-02-22debugfs: leave freeing a symlink body until inode evictionAl Viro1-17/+17
As it is, we have debugfs_remove() racing with symlink traversals. Supply ->evict_inode() and do freeing there - inode will remain pinned until we are done with the symlink body. And rip the idiocy with checking if dentry is positive right after we'd verified debugfs_positive(), which is a stronger check... Cc: stable@vger.kernel.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-02-22Documentation/filesystems/Locking: ->get_sb() is long goneAl Viro1-2/+0
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-02-22trylock_super(): replacement for grab_super_passive()Konstantin Khlebnikov3-26/+22
I've noticed significant locking contention in memory reclaimer around sb_lock inside grab_super_passive(). Grab_super_passive() is called from two places: in icache/dcache shrinkers (function super_cache_scan) and from writeback (function __writeback_inodes_wb). Both are required for progress in memory allocator. Grab_super_passive() acquires sb_lock to increment sb->s_count and check sb->s_instances. It seems sb->s_umount locked for read is enough here: super-block deactivation always runs under sb->s_umount locked for write. Protecting super-block itself isn't a problem: in super_cache_scan() sb is protected by shrinker_rwsem: it cannot be freed if its slab shrinkers are still active. Inside writeback super-block comes from inode from bdi writeback list under wb->list_lock. This patch removes locking sb_lock and checks s_instances under s_umount: generic_shutdown_super() unlinks it under sb->s_umount locked for write. New variant is called trylock_super() and since it only locks semaphore, callers must call up_read(&sb->s_umount) instead of drop_super(sb) when they're done. Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-02-22fanotify: Fix up scripted S_ISDIR/S_ISREG/S_ISLNK conversionsDavid Howells1-1/+1
Fanotify probably doesn't want to watch autodirs so make it use d_can_lookup() rather than d_is_dir() when checking a dir watch and give an error on fake directories. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-02-22Cachefiles: Fix up scripted S_ISDIR/S_ISREG/S_ISLNK conversionsDavid Howells4-9/+9
Fix up the following scripted S_ISDIR/S_ISREG/S_ISLNK conversions (or lack thereof) in cachefiles: (1) Cachefiles mostly wants to use d_can_lookup() rather than d_is_dir() as it doesn't want to deal with automounts in its cache. (2) Coccinelle didn't find S_IS* expressions in ASSERT() statements in cachefiles. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-02-22VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)David Howells34-71/+71
Convert the following where appropriate: (1) S_ISLNK(dentry->d_inode) to d_is_symlink(dentry). (2) S_ISREG(dentry->d_inode) to d_is_reg(dentry). (3) S_ISDIR(dentry->d_inode) to d_is_dir(dentry). This is actually more complicated than it appears as some calls should be converted to d_can_lookup() instead. The difference is whether the directory in question is a real dir with a ->lookup op or whether it's a fake dir with a ->d_automount op. In some circumstances, we can subsume checks for dentry->d_inode not being NULL into this, provided we the code isn't in a filesystem that expects d_inode to be NULL if the dirent really *is* negative (ie. if we're going to use d_inode() rather than d_backing_inode() to get the inode pointer). Note that the dentry type field may be set to something other than DCACHE_MISS_TYPE when d_inode is NULL in the case of unionmount, where the VFS manages the fall-through from a negative dentry to a lower layer. In such a case, the dentry type of the negative union dentry is set to the same as the type of the lower dentry. However, if you know d_inode is not NULL at the call site, then you can use the d_is_xxx() functions even in a filesystem. There is one further complication: a 0,0 chardev dentry may be labelled DCACHE_WHITEOUT_TYPE rather than DCACHE_SPECIAL_TYPE. Strictly, this was intended for special directory entry types that don't have attached inodes. The following perl+coccinelle script was used: use strict; my @callers; open($fd, 'git grep -l \'S_IS[A-Z].*->d_inode\' |') || die "Can't grep for S_ISDIR and co. callers"; @callers = <$fd>; close($fd); unless (@callers) { print "No matches\n"; exit(0); } my @cocci = ( '@@', 'expression E;', '@@', '', '- S_ISLNK(E->d_inode->i_mode)', '+ d_is_symlink(E)', '', '@@', 'expression E;', '@@', '', '- S_ISDIR(E->d_inode->i_mode)', '+ d_is_dir(E)', '', '@@', 'expression E;', '@@', '', '- S_ISREG(E->d_inode->i_mode)', '+ d_is_reg(E)' ); my $coccifile = "tmp.sp.cocci"; open($fd, ">$coccifile") || die $coccifile; print($fd "$_\n") || die $coccifile foreach (@cocci); close($fd); foreach my $file (@callers) { chomp $file; print "Processing ", $file, "\n"; system("spatch", "--sp-file", $coccifile, $file, "--in-place", "--no-show-diff") == 0 || die "spatch failed"; } [AV: overlayfs parts skipped] Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-02-22SELinux: Use d_is_positive() rather than testing dentry->d_inodeDavid Howells1-2/+2
Use d_is_positive() rather than testing dentry->d_inode in SELinux to get rid of direct references to d_inode outside of the VFS. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-02-22Smack: Use d_is_positive() rather than testing dentry->d_inodeDavid Howells1-2/+2
Use d_is_positive() rather than testing dentry->d_inode in Smack to get rid of direct references to d_inode outside of the VFS. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-02-22TOMOYO: Use d_is_dir() rather than d_inode and S_ISDIR()David Howells1-3/+1
Use d_is_dir() rather than d_inode and S_ISDIR(). Note that this will include fake directories such as automount triggers. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-02-22Apparmor: Use d_is_positive/negative() rather than testing dentry->d_inodeDavid Howells1-1/+1
Use d_is_positive(dentry) or d_is_negative(dentry) rather than testing dentry->d_inode as the dentry may cover another layer that has an inode when the top layer doesn't or may hold a 0,0 chardev that's actually a whiteout. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-02-22Apparmor: mediated_filesystem() should use dentry->d_sb not inode->i_sbDavid Howells2-12/+12
mediated_filesystem() should use dentry->d_sb not dentry->d_inode->i_sb and should avoid file_inode() also since it is really dealing with the path. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-02-22VFS: Split DCACHE_FILE_TYPE into regular and special typesDavid Howells2-8/+27
Split DCACHE_FILE_TYPE into DCACHE_REGULAR_TYPE (dentries representing regular files) and DCACHE_SPECIAL_TYPE (representing blockdev, chardev, FIFO and socket files). d_is_reg() and d_is_special() are added to detect these subtypes and d_is_file() is left as the union of the two. This allows a number of places that use S_ISREG(dentry->d_inode->i_mode) to use d_is_reg(dentry) instead. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-02-22VFS: Add a fallthrough flag for marking virtual dentriesDavid Howells2-1/+27
Add a DCACHE_FALLTHRU flag to indicate that, in a layered filesystem, this is a virtual dentry that covers another one in a lower layer that should be used instead. This may be recorded on medium if directory integration is stored there. The flag can be set with d_set_fallthru() and tested with d_is_fallthru(). Original-author: Valerie Aurora <vaurora@redhat.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-02-22VFS: Add a whiteout dentry typeDavid Howells1-6/+18
Add DCACHE_WHITEOUT_TYPE and provide a d_is_whiteout() accessor function. A d_is_miss() accessor is also added for ordinary cache misses and d_is_negative() is modified to indicate either an ordinary miss or an enforced miss (whiteout). Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-02-22VFS: Introduce inode-getting helpers for layered/unioned fs environmentsDavid Howells1-0/+57
Introduce some function for getting the inode (and also the dentry) in an environment where layered/unioned filesystems are in operation. The problem is that we have places where we need *both* the union dentry and the lower source or workspace inode or dentry available, but we can only have a handle on one of them. Therefore we need to derive the handle to the other from that. The idea is to introduce an extra field in struct dentry that allows the union dentry to refer to and pin the lower dentry. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-02-21Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds110-1132/+6450
Pull MIPS updates from Ralf Baechle: "This is the main pull request for MIPS: - a number of fixes that didn't make the 3.19 release. - a number of cleanups. - preliminary support for Cavium's Octeon 3 SOCs which feature up to 48 MIPS64 R3 cores with FPU and hardware virtualization. - support for MIPS R6 processors. Revision 6 of the MIPS architecture is a major revision of the MIPS architecture which does away with many of original sins of the architecture such as branch delay slots. This and other changes in R6 require major changes throughout the entire MIPS core architecture code and make up for the lion share of this pull request. - finally some preparatory work for eXtendend Physical Address support, which allows support of up to 40 bit of physical address space on 32 bit processors" [ Ahh, MIPS can't leave the PAE brain damage alone. It's like every CPU architect has to make that mistake, but pee in the snow by changing the TLA. But whether it's called PAE, LPAE or XPA, it's horrid crud - Linus ] * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (114 commits) MIPS: sead3: Corrected get_c0_perfcount_int MIPS: mm: Remove dead macro definitions MIPS: OCTEON: irq: add CIB and other fixes MIPS: OCTEON: Don't do acknowledge operations for level triggered irqs. MIPS: OCTEON: More OCTEONIII support MIPS: OCTEON: Remove setting of processor specific CVMCTL icache bits. MIPS: OCTEON: Core-15169 Workaround and general CVMSEG cleanup. MIPS: OCTEON: Update octeon-model.h code for new SoCs. MIPS: OCTEON: Implement DCache errata workaround for all CN6XXX MIPS: OCTEON: Add little-endian support to asm/octeon/octeon.h MIPS: OCTEON: Implement the core-16057 workaround MIPS: OCTEON: Delete unused COP2 saving code MIPS: OCTEON: Use correct instruction to read 64-bit COP0 register MIPS: OCTEON: Save and restore CP2 SHA3 state MIPS: OCTEON: Fix FP context save. MIPS: OCTEON: Save/Restore wider multiply registers in OCTEON III CPUs MIPS: boot: Provide more uImage options MIPS: Remove unneeded #ifdef __KERNEL__ from asm/processor.h MIPS: ip22-gio: Remove legacy suspend/resume support mips: pci: Add ifdef around pci_proc_domain ...
2015-02-21Merge tag 'fixes-for-linus' of ↵Linus Torvalds41-58/+88
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Arnd Bergmann: "A few fixes that came in too late to make it into the first set of pull requests but would still be nice to have in -rc1. The majority of these are trivial build fixes for bugs that I found myself using randconfig testing, and a set of two patches from Uwe to mark DT strings as 'const' where appropriate, to resolve inconsistent section attributes" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: make of_device_ids const ARM: make arrays containing machine compatible strings const ARM: mm: Remove Kconfig symbol CACHE_PL310 ARM: rockchip: force built-in regulator support for PM ARM: mvebu: build armada375-smp code conditionally ARM: sti: always enable RESET_CONTROLLER ARM: rockchip: make rockchip_suspend_init conditional ARM: ixp4xx: fix {in,out}s{bwl} data types ARM: prima2: do not select SMP_ON_UP ARM: at91: fix pm declarations ARM: davinci: multi-soc kernels require AUTO_ZRELADDR ARM: davinci: davinci_cfg_reg cannot be init ARM: BCM: put back ARCH_MULTI_V7 dependency for mobile ARM: vexpress: use ARM_CPU_SUSPEND if needed ARM: dts: add I2C device nodes for Broadcom Cygnus ARM: dts: BCM63xx: fix L2 cache properties
2015-02-21Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds6-18/+36
Pull misc SCSI patches from James Bottomley: "This is a short patch set representing a couple of left overs from the merge window (debug removal and MAINTAINER changes). Plus one merge window regression (the local workqueue for hpsa) and a set of bug fixes for several issues (two for scsi-mq and the rest an assortment of long standing stuff, all cc'd to stable)" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: sg: fix EWOULDBLOCK errors with scsi-mq sg: fix unkillable I/O wait deadlock with scsi-mq sg: fix read() error reporting wd719x: add missing .module to wd719x_template hpsa: correct compiler warnings introduced by hpsa-add-local-workqueue patch fixed invalid assignment of 64bit mask to host dma_boundary for scatter gather segment boundary limit. fcoe: Transition maintainership to Vasu am53c974: remove left-over debugging code
2015-02-21Merge tag 'xfs-pnfs-for-linus-3.20-rc1' of ↵Linus Torvalds10-8/+393
git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs Pull xfs pnfs block layout support from Dave Chinner: "This contains the changes to XFS needed to support the PNFS block layout server that you pulled in through Bruce's NFS server tree merge. I originally thought that I'd need to merge changes into the NFS server side, but Bruce had already picked them up and so this is purely changes to the fs/xfs/ codebase. Summary: This update contains the implementation of the PNFS server export methods that enable use of XFS filesystems as a block layout target" * tag 'xfs-pnfs-for-linus-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs: xfs: recall pNFS layouts on conflicting access xfs: implement pNFS export operations
2015-02-21Merge tag 'nfs-for-3.20-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds19-158/+165
Pull more NFS client updates from Trond Myklebust: "Highlights include: - Fix a use-after-free in decode_cb_sequence_args() - Fix a compile error when #undef CONFIG_PROC_FS - NFSv4.1 backchannel spinlocking issue - Cleanups in the NFS unstable write code requested by Linus - NFSv4.1 fix issues when the server denies our backchannel request - Cleanups in create_session and bind_conn_to_session" * tag 'nfs-for-3.20-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: NFSv4.1: Clean up bind_conn_to_session NFSv4.1: Always set up a forward channel when binding the session NFSv4.1: Don't set up a backchannel if the server didn't agree to do so NFSv4.1: Clean up create_session pnfs: Refactor the *_layout_mark_request_commit to use pnfs_layout_mark_request_commit NFSv4: Kill unused nfs_inode->delegation_state field NFS: struct nfs_commit_info.lock must always point to inode->i_lock nfs: Can call nfs_clear_page_commit() instead nfs: Provide and use helper functions for marking a page as unstable SUNRPC: Always manipulate rpc_rqst::rq_bc_pa_list under xprt->bc_pa_lock SUNRPC: Fix a compile error when #undef CONFIG_PROC_FS NFSv4.1: Convert open-coded array allocation calls to kmalloc_array() NFSv4.1: Fix a kfree() of uninitialised pointers in decode_cb_sequence_args
2015-02-21Merge tag 'pm+acpi-3.20-rc1-3' of ↵Linus Torvalds8-54/+86
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull one more batch of power management and ACPI updates from Rafael Wysocki: "These are mostly fixes on top of the previously merged recent PM and ACPI material. First, one commit that broke the ACPI LPSS (Low-Power Subsystem) driver on a Dell box is reverted and there are two stable-candidate fixes for that driver. Another fix cleans up two recently added ACPI EC messages that look odd and the printk level of a noisy debug message in the core ACPI resources handling code is reduced. In addition to that we have two stable-candidate fixes for the s3c cpufreq driver, two cpuidle powernv driver updates related to Device Trees and a PNP subsystem cleanup that will allow us to get rid of some old ugliness going forward. Also there is a new blacklist entry for the ACPI backlight code. Specifics: - Revert a recent ACPI LPSS driver commit that prevented the touchpad driver from loading on Dell XPS13 (Jarkko Nikula). - Make the ACPI LPSS driver disable the I2C controllers and deassert SPI host controllers resets at startup on Intel BayTrail and Braswell SoCs in case they have been left in wrong states by the platform firmware which then may casuse fatal controller driver failures during resume from hibernation (Mika Westerberg). - Make two recently added ACPI EC messages look better (Scot Doyle). - Reduce the printk level of a recently added debug message related to ACPI resources that may become noisy in some cases (Rafael J Wysocki). - Add a new ACPI backlight blacklist entry for Samsung Series 9 (900X3C/900X3D/900X3E/900X4C/900X4D) laptops where the native backlight interface doesn't work while the ACPI based one does (Jens Reyer). - Make the PNP sybsystem's core code use __request_region() followed by __release_region() instead of __check_region() which then will allow us to get rid of the latter as it has no more users (Jakub Sitnicki). - Fix a build breakage and an issue with two __init functions that may be called after initialization in the s3c cpufreq driver (Arnd Bergmann). - Make the powernv cpuidle driver read target_residency values for idle states from a Device Tree (as we have the suitable DT bindings for that now) and improve the parsing of the powermgmt DT node in that driver (Preeti U Murthy)" * tag 'pm+acpi-3.20-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpuidle: powernv: Avoid endianness conversions while parsing DT cpufreq: s3c: remove last use of resume_clocks callback cpufreq: s3c: remove incorrect __init annotations ACPI / LPSS: Deassert resets for SPI host controllers on Braswell ACPI / LPSS: Always disable I2C host controllers ACPI / resources: Change pr_info() to pr_debug() for debug information ACPI / video: Disable native backlight on Samsung Series 9 laptops cpuidle: powernv: Read target_residency value of idle states from DT if available Revert "ACPI / LPSS: Remove non-existing clock control from Intel Lynxpoint I2C" ACPI / EC: Remove non-standard log emphasis PNP: Switch from __check_region() to __request_region()
2015-02-21Merge branch 'for-linus' of git://git.kernel.dk/linux-blockLinus Torvalds5-213/+417
Pull followup block layer updates from Jens Axboe: "Two things in this pull request: - A block throttle oops fix (marked for stable) from Thadeu. - The NVMe fixes/features queued up for 3.20, but merged later in the process. From Keith. We should have gotten this merged earlier, we're ironing out the kinks in the process. Will be ready for the initial pull next series" * 'for-linus' of git://git.kernel.dk/linux-block: blk-throttle: check stats_cpu before reading it from sysfs NVMe: Fix potential corruption on sync commands NVMe: Remove unused variables NVMe: Fix scsi mode select llbaa setting NVMe: Fix potential corruption during shutdown NVMe: Asynchronous controller probe NVMe: Register management handle under nvme class NVMe: Update SCSI Inquiry VPD 83h translation NVMe: Metadata format support
2015-02-21Merge tag 'dm-3.20-changes-2' of ↵Linus Torvalds7-188/+269
git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull more device mapper changes from Mike Snitzer: - Significant dm-crypt CPU scalability performance improvements thanks to changes that enable effective use of an unbound workqueue across all available CPUs. A large battery of tests were performed to validate these changes, summary of results is available here: https://www.redhat.com/archives/dm-devel/2015-February/msg00106.html - A few additional stable fixes (to DM core, dm-snapshot and dm-mirror) and a small fix to the dm-space-map-disk. * tag 'dm-3.20-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm snapshot: fix a possible invalid memory access on unload dm: fix a race condition in dm_get_md dm crypt: sort writes dm crypt: add 'submit_from_crypt_cpus' option dm crypt: offload writes to thread dm crypt: remove unused io_pool and _crypt_io_pool dm crypt: avoid deadlock in mempools dm crypt: don't allocate pages for a partial request dm crypt: use unbound workqueue for request processing dm io: reject unsupported DISCARD requests with EOPNOTSUPP dm mirror: do not degrade the mirror on discard error dm space map disk: fix sm_disk_count_is_more_than_one()
2015-02-21Merge branch 'for-next' of ↵Linus Torvalds32-689/+829
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending Pull SCSI target updates from Nicholas Bellinger: "The highlights this round include: - Update vhost-scsi to support F_ANY_LAYOUT using mm/iov_iter.c logic, and signal VERSION_1 support (MST + Viro + nab) - Fix iscsi/iser-target to remove problematic active_ts_set usage (Gavin Guo) - Update iscsi/iser-target to support multi-sequence sendtargets (Sagi) - Fix original PR_APTPL_BUF_LEN 8k size limitation (Martin Svec) - Add missing WRITE_SAME end-of-device sanity check (Bart) - Check for LBA + sectors wrap-around in sbc_parse_cdb() (nab) - Other various minor SPC/SBC compliance fixes based upon Ronnie Sahlberg test suite (nab)" * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (32 commits) target: Set LBPWS10 bit in Logical Block Provisioning EVPD target: Fail UNMAP when emulate_tpu=0 target: Fail WRITE_SAME w/ UNMAP=1 when emulate_tpws=0 target: Add sanity checks for DPO/FUA bit usage target: Perform PROTECT sanity checks for WRITE_SAME target: Fail I/O with PROTECT bit when protection is unsupported target: Check for LBA + sectors wrap-around in sbc_parse_cdb target: Add missing WRITE_SAME end-of-device sanity check iscsi-target: Avoid IN_LOGOUT failure case for iser-target target: Fix PR_APTPL_BUF_LEN buffer size limitation iscsi-target: Drop problematic active_ts_list usage iscsi/iser-target: Support multi-sequence sendtargets text response iser-target: Remove duplicate function names vhost/scsi: potential memory corruption vhost/scsi: Global tcm_vhost -> vhost_scsi rename vhost/scsi: Drop left-over scsi_tcq.h include vhost/scsi: Set VIRTIO_F_ANY_LAYOUT + VIRTIO_F_VERSION_1 feature bits vhost/scsi: Add ANY_LAYOUT support in vhost_scsi_handle_vq vhost/scsi: Add ANY_LAYOUT iov -> sgl mapping prerequisites vhost/scsi: Change vhost_scsi_map_to_sgl to accept iov ptr + len ...
2015-02-21Merge branch 'for-linus' of ↵Linus Torvalds19-372/+577
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull more input updates from Dmitry Torokhov: "The second round of updates for the input subsystem. Updates to ALPS an bfin_roraty drivers and a couple oother fixups" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: psmouse - use IS_ENABLED instead of homegrown code Input: bfin_rotary - introduce open and close methods Input: bfin_rotary - convert to use managed resources Input: bfin_rotary - use generic IO functions Input: bfin_rotary - move pin lists into into platform data Input: bfin_rotary - move platform header to linux/platform_data Input: bfin_rotary - mark suspend and resume code as __maybe_unused Input: bfin_rotary - fix potential oops in interrupt handler Input: ALPS - move v7 packet info to Documentation and v6 packet info Input: ALPS - fix confusing comment in protocol data Input: ALPS - do not mix trackstick and external PS/2 mouse data Input: ALPS - fix trackstick detection on some Dell Latitudes Input: ALPS - consolidate setting protocol parameters Input: ALPS - split protocol data from model info Input: ALPS - make Rushmore a separate protocol Input: ALPS - renumber protocol numbers Input: adi - remove an unnecessary check Input: pxa27x_keypad - remove an unneeded NULL check Input: soc_button_array - use "Windows" key for "Home"
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