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2015-11-10usbnet: remove ifdefed out call to dma_supportedChristoph Hellwig1-6/+0
Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Oliver Neukum <oneukum@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-10kaweth: remove ifdefed out call to dma_supportedChristoph Hellwig1-6/+0
Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: "David S. Miller" <davem@davemloft.net> Cc: Oliver Neukum <oliver@neukum.org> Cc: Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-10sfc: don't call dma_supportedChristoph Hellwig1-5/+3
dma_set_mask already checks for a supported DMA mask before updating it, the call to dma_supported is redundant. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Solarflare linux maintainers <linux-net-drivers@solarflare.com> Cc: Shradha Shah <sshah@solarflare.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-10nouveau: don't call pci_dma_supportedChristoph Hellwig1-2/+5
Just try to set a 64-bit DMA mask first and retry with the smaller dma_mask if dma_set_mask failed. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: David Airlie <airlied@linux.ie> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Alexandre Courbot <acourbot@nvidia.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Thierry Reding <treding@nvidia.com> Cc: Dave Airlie <airlied@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-10netup_unidvb: use pci_set_dma_mask insted of pci_dma_supportedChristoph Hellwig1-1/+1
This ensures the dma mask that is supported by the driver is recorded in the device structure. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Sergey Kozlov <serjk@netup.ru> Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-10cx23885: use pci_set_dma_mask insted of pci_dma_supportedChristoph Hellwig1-1/+1
This ensures the dma mask that is supported by the driver is recorded in the device structure. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Cc: Hans Verkuil <hans.verkuil@cisco.com> Cc: Pawel Osciak <pawel@osciak.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-10cx25821: use pci_set_dma_mask insted of pci_dma_supportedChristoph Hellwig1-1/+1
This ensures the dma mask that is supported by the driver is recorded in the device structure. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Cc: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-10cx88: use pci_set_dma_mask insted of pci_dma_supportedChristoph Hellwig3-3/+3
This ensures the dma mask that is supported by the driver is recorded in the device structure. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Cc: Hans Verkuil <hverkuil@xs4all.nl> Cc: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-10saa7134: use pci_set_dma_mask insted of pci_dma_supportedChristoph Hellwig1-1/+1
This ensures the dma mask that is supported by the driver is recorded in the device structure. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Cc: Pawel Osciak <pawel@osciak.com> Cc: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-10saa7164: use pci_set_dma_mask insted of pci_dma_supportedChristoph Hellwig1-1/+1
This ensures the dma mask that is supported by the driver is recorded in the device structure. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Cc: Hans Verkuil <hverkuil@xs4all.nl> Cc: Steven Toth <stoth@kernellabs.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-10tw68-core: use pci_set_dma_mask insted of pci_dma_supportedChristoph Hellwig1-1/+1
This ensures the dma mask that is supported by the driver is recorded in the device structure. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Hans Verkuil <hverkuil@xs4all.nl> Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Cc: Pawel Osciak <pawel@osciak.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-10pcnet32: use pci_set_dma_mask insted of pci_dma_supportedChristoph Hellwig1-1/+1
All drivers should be using dma_set_mask / pci_set_dma_mask to try to set the dma mask instead of just querying it. Without that some iommu implementations may not work. pci_dma_supported is removed entirely, but dma_supported stays for dma_ops implementations for now. This patch (of 15): This ensures the dma mask that is supported by the driver is recorded in the device structure. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Don Fry <pcnet32@frontier.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: "James E.J. Bottomley" <jejb@parisc-linux.org> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Alexandre Courbot <acourbot@nvidia.com> Cc: Alexey Khoroshilov <khoroshilov@ispras.ru> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Dave Airlie <airlied@redhat.com> Cc: David Airlie <airlied@linux.ie> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Hans Verkuil <hverkuil@xs4all.nl> Cc: Helge Deller <deller@gmx.de> Cc: Jiri Slaby <jslaby@suse.com> Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Cc: Pawel Osciak <pawel@osciak.com> Cc: Sakari Ailus <sakari.ailus@linux.intel.com> Cc: Sergey Kozlov <serjk@netup.ru> Cc: Shradha Shah <sshah@solarflare.com> Cc: Solarflare linux maintainers <linux-net-drivers@solarflare.com> Cc: Steven Toth <stoth@kernellabs.com> Cc: Thierry Reding <treding@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-10lib/string.c: add ULL suffix to the constant definitionAndy Shevchenko1-1/+1
8-byte constant is too big for long and compiler complains about this. lib/string.c:907:20: warning: constant 0x0101010101010101 is so big it is long Append ULL suffix to explicitly show its type. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-10hugetlb: trivial comment fixNaoya Horiguchi1-2/+2
Recently alloc_buddy_huge_page() was renamed to __alloc_buddy_huge_page(), so let's sync comments. Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-10selftests/mlock2: add ULL suffix to 64-bit constantsGeert Uytterhoeven1-2/+2
On 32-bit (e.g. m68k): mlock2-tests.c: In function 'lock_check': mlock2-tests.c:293: warning: integer constant is too large for 'long' type mlock2-tests.c:294: warning: integer constant is too large for 'long' type mlock2-tests.c:299: warning: integer constant is too large for 'long' type ... Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Eric B Munson <emunson@akamai.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-10selftests/mlock2: add missing #define _GNU_SOURCEGeert Uytterhoeven1-0/+1
On glibc 2.3.6: mlock2-tests.c: In function 'seek_to_smaps_entry': mlock2-tests.c:158: warning: implicit declaration of function 'getline' According to the manpage of getline(), it needs _GNU_SOURCE before glibc 2.10. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Eric B Munson <emunson@akamai.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09fs/binfmt_elf_fdpic.c: provide NOMMU loader for regular ELF binariesRich Felker1-8/+38
The ELF binary loader in binfmt_elf.c requires an MMU, making it impossible to use regular ELF binaries on NOMMU archs. However, the FDPIC ELF loader in binfmt_elf_fdpic.c is fully capable as a loader for plain ELF, which requires constant displacements between LOAD segments, since it already supports FDPIC ELF files flagged as needing constant displacement. This patch adjusts the FDPIC ELF loader to accept non-FDPIC ELF files on NOMMU archs. They are treated identically to FDPIC ELF files with the constant-displacement flag bit set, except for personality, which must match the ABI of the program being loaded; the PER_LINUX_FDPIC personality controls how the kernel interprets function pointers passed to sigaction. Files that do not set a stack size requirement explicitly are given a default stack size (matching the amount of committed stack the normal ELF loader for MMU archs would give them) rather than being rejected; this is necessary because plain ELF files generally do not declare stack requirements in theit program headers. Only ET_DYN (PIE) format ELF files are supported, since loading at a fixed virtual address is not possible on NOMMU. This patch was developed and tested on J2 (SH2-compatible) but should be usable immediately on all archs where binfmt_elf_fdpic is available. Moreover, by providing dummy definitions of the elf_check_fdpic() and elf_check_const_displacement() macros for archs which lack an FDPIC ABI, it should be possible to enable building of binfmt_elf_fdpic on all other NOMMU archs and thereby give them ELF binary support, but I have not yet tested this. The motivation for using binfmt_elf_fdpic.c rather than adapting binfmt_elf.c to NOMMU is that the former already has all the necessary code to work properly on NOMMU and has already received widespread real-world use and testing. I hope this is not controversial. I'm not really happy with having to unset the FDPIC_FUNCPTRS personality bit when loading non-FDPIC ELF. This bit should really reset automatically on execve, since otherwise, executing non-ELF binaries (e.g. bFLT) from an FDPIC process will leave the personality in the wrong state and severely break signal handling. But that's a separate, existing bug and I don't know the right place to fix it. Signed-off-by: Rich Felker <dalias@libc.org> Acked-by: Greg Ungerer <gerg@uclinux.org> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Matt Mackall <mpm@selenic.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: David Howells <dhowells@redhat.com> Cc: Oleg Endo <oleg.endo@t-online.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09fs/stat.c: remove unnecessary new_valid_dev() checkYaowei Bai1-2/+0
new_valid_dev() always returns 1, so the !new_valid_dev() check is not needed. Remove it. Signed-off-by: Yaowei Bai <bywxiaobai@163.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09fs/reiserfs/namei.c: remove unnecessary new_valid_dev() checkYaowei Bai1-3/+0
new_valid_dev() always returns 1, so the !new_valid_dev() check is not needed. Remove it. Signed-off-by: Yaowei Bai <bywxiaobai@163.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09fs/nilfs2/namei.c: remove unnecessary new_valid_dev() checkYaowei Bai1-3/+0
new_valid_dev() always returns 1, so the !new_valid_dev() check is not needed. Remove it. Signed-off-by: Yaowei Bai <bywxiaobai@163.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Acked-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09fs/ncpfs/dir.c: remove unnecessary new_valid_dev() checkYaowei Bai1-2/+0
new_valid_dev() always returns 1, so the !new_valid_dev() check is not needed. Remove it. Signed-off-by: Yaowei Bai <bywxiaobai@163.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Petr Vandrovec <petr@vandrovec.name> Cc: Jan Kara <jack@suse.cz> Cc: Jens Axboe <axboe@fb.com> Cc: Tejun Heo <tj@kernel.org> Cc: Fabian Frederick <fabf@skynet.be> Cc: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09fs/jfs: remove unnecessary new_valid_dev() checksYaowei Bai2-6/+0
new_valid_dev() always returns 1, so the !new_valid_dev() checks are not needed. Remove them. Signed-off-by: Yaowei Bai <bywxiaobai@163.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Acked-by: Dave Kleikamp <dave.kleikamp@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09fs/hpfs/namei.c: remove unnecessary new_valid_dev() checkYaowei Bai1-2/+0
new_valid_dev() always returns 1, so the !new_valid_dev() check is not needed. Remove it. Signed-off-by: Yaowei Bai <bywxiaobai@163.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09fs/f2fs/namei.c: remove unnecessary new_valid_dev() checkYaowei Bai1-3/+0
new_valid_dev() always returns 1, so the !new_valid_dev() check is not needed. Remove it. Signed-off-by: Yaowei Bai <bywxiaobai@163.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Jaegeuk Kim <jaegeuk@kernel.org> Cc: Changman Lee <cm224.lee@samsung.com> Cc: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09fs/ext2/namei.c: remove unnecessary new_valid_dev() checkYaowei Bai1-3/+0
new_valid_dev() always returns 1, so the !new_valid_dev() check is not needed. Remove it. Signed-off-by: Yaowei Bai <bywxiaobai@163.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Jan Kara <jack@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09fs/exofs/namei.c: remove unnecessary new_valid_dev() checkYaowei Bai1-3/+0
new_valid_dev() always returns 1, so the !new_valid_dev() check is not needed. Remove it. Signed-off-by: Yaowei Bai <bywxiaobai@163.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Acked-by: Boaz Harrosh <ooo@electrozaur.com> Cc: Benny Halevy <bhalevy@primarydata.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09fs/btrfs/inode.c: remove unnecessary new_valid_dev() checkYaowei Bai1-3/+0
new_valid_dev() always returns 1, so the !new_valid_dev() check is not needed. Remove it. Signed-off-by: Yaowei Bai <bywxiaobai@163.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Chris Mason <clm@fb.com> Cc: Josef Bacik <jbacik@fb.com> Acked-by: David Sterba <dsterba@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09fs/9p: remove unnecessary new_valid_dev() checksYaowei Bai2-6/+0
new_valid_dev() always returns 1, so the !new_valid_dev() check is not needed. Remove it. Signed-off-by: Yaowei Bai <bywxiaobai@163.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Eric Van Hensbergen <ericvh@gmail.com> Cc: Ron Minnich <rminnich@sandia.gov> Cc: Latchesar Ionkov <lucho@ionkov.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09include/linux/kdev_t.h: old/new_valid_dev() can return boolYaowei Bai1-2/+2
Make old/new_valid_dev return bool due to these two particular functions only using either one or zero as their return value. No functional change. Signed-off-by: Yaowei Bai <bywxiaobai@163.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09include/linux/kdev_t.h: remove unused huge_valid_dev()Yaowei Bai1-5/+0
There's no user of huge_valid_dev() any more, so remove it. No functional change. Signed-off-by: Yaowei Bai <bywxiaobai@163.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09kmap_atomic_to_page() has no users, remove itNicolas Pitre16-103/+0
Removal started in commit 5bbeed12bdc3 ("sparc32: drop unused kmap_atomic_to_page"). Let's do it across the whole tree. Signed-off-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09drivers/scsi/cxgbi: fix build with EXTRA_CFLAGSJiri Slaby2-2/+2
EXTRA_CFLAGS are intended to be used on the command line, not by Kbuild. In case of cxgbi drivers, use of EXTRA_CFLAGS results in a compilation failure: drivers/scsi/cxgbi/cxgb4i/cxgb4i.c:24:21: fatal error: t4_regs.h: No such file or directory when building like: $ make drivers/scsi/cxgbi/ EXTRA_CFLAGS=-Wwhatever Use ccflags-y instead of EXTRA_CFLAGS. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09dma: remove external references to dma_supportedChristoph Hellwig4-16/+3
Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09Documentation/sysctl/vm.txt: fix misleading code reference of overcommit_memoryChun Chen1-1/+1
The origin document references to cap_vm_enough_memory is because cap_vm_enough_memory invoked __vm_enough_memory before and it no longer does now. Signed-off-by: Chun Chen <ramichen@tencent.com> Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09remove abs64()Andrew Morton13-19/+16
Switch everything to the new and more capable implementation of abs(). Mainly to give the new abs() a bit of a workout. Cc: Michal Nazarewicz <mina86@mina86.com> Cc: John Stultz <john.stultz@linaro.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09kernel.h: make abs() work with 64-bit typesMichal Nazarewicz1-21/+24
For 64-bit arguments, the abs macro casts it to an int which leads to lost precision and may cause incorrect results. To deal with 64-bit types abs64 macro has been introduced but still there are places where abs macro is used incorrectly. To deal with the problem, expand abs macro such that it operates on s64 type when dealing with 64-bit types while still returning long when dealing with smaller types. This fixes one known bug (per John): The internal clocksteering done for fine-grained error correction uses a : logarithmic approximation, so any time adjtimex() adjusts the clock : steering, timekeeping_freqadjust() quickly approximates the correct clock : frequency over a series of ticks. : : Unfortunately, the logic in timekeeping_freqadjust(), introduced in commit : dc491596f639438 (Rework frequency adjustments to work better w/ nohz), : used the abs() function with a s64 error value to calculate the size of : the approximated adjustment to be made. : : Per include/linux/kernel.h: "abs() should not be used for 64-bit types : (s64, u64, long long) - use abs64()". : : Thus on 32-bit platforms, this resulted in the clocksteering to take a : quite dampended random walk trying to converge on the proper frequency, : which caused the adjustments to be made much slower then intended (most : easily observed when large adjustments are made). Signed-off-by: Michal Nazarewicz <mina86@mina86.com> Reported-by: John Stultz <john.stultz@linaro.org> Tested-by: John Stultz <john.stultz@linaro.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09sparc/sparc64: allocate sys_membarrier system call numberMathieu Desnoyers3-4/+5
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Acked-by: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09mips: add entry for new mlock2 syscallEric B Munson5-6/+13
A previous commit introduced the new mlock2 syscall, add entries for the MIPS architecture. Signed-off-by: Eric B Munson <emunson@akamai.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Michael Kerrisk <mtk.manpages@gmail.com> Cc: Michal Hocko <mhocko@suse.cz> Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09fs/writeback.c: fix kernel-doc warningsRandy Dunlap1-1/+2
Fix kernel-doc warnings in fs/fs-writeback.c by moving a #define macro to after the function's opening brace. Also #undef this macro at the end of the function. ../fs/fs-writeback.c:1984: warning: Excess function parameter 'inode' description in 'I_DIRTY_INODE' ../fs/fs-writeback.c:1984: warning: Excess function parameter 'flags' description in 'I_DIRTY_INODE' Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09fs/inode.c: fix kernel-doc warningRandy Dunlap1-0/+1
Fix kernel-doc warning in fs/inode.c: ../fs/inode.c:1606: warning: No description found for parameter 'inode' Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09GFS2: Fix rgrp end rounding problem for bsize < page sizeBob Peterson1-2/+3
This patch fixes a bug introduced by commit 7005c3e. That patch tries to map a vm range for resource groups, but the calculation breaks down when the block size is less than the page size. Signed-off-by: Bob Peterson <rpeterso@redhat.com>
2015-11-09hwmon: (k10temp) Remove duplicate pci-id defineAdam Majer1-1/+0
PCI_DEVICE_ID_AMD_15H_M60H_NB_F3 is now defined in pci_ids.h Signed-off-by: Adam Majer <adamm@zombino.com> Acked-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Jean Delvare <jdelvare@suse.de>
2015-11-09nios2: Remove unnecessary #ifdef guardsTobias Klauser2-4/+0
__HAVE_ARCH_MEMMOVE and __HAVE_ARCH_MEMSET are unconditionally defined for nios2, so there is no need to protect the function definitions of memmove() and memset(). Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Acked-by: Ley Foon Tan <lftan@altera.com>
2015-11-09nios2: Switch to generic __xchg()Marek Vasut1-47/+0
The generic __xchg() implementation present in asm-generic/cmpxchg.h is correct on nios2 and even generates the same code. Switch to this generic implementation to trim down the amount of ad-hoc copies of the code. Signed-off-by: Marek Vasut <marex@denx.de> Acked-by: Ley Foon Tan <lftan@altera.com>
2015-11-09nios2: Fix unused variable warningMarek Vasut1-1/+1
Fix the following compiler splat by adding __maybe_unused annotation to the variable. Using this particular annotation has the least ugly impact on the code compared to using ifdeffery. arch/nios2/kernel/setup.c: In function 'nios2_boot_init': arch/nios2/kernel/setup.c:107:7: warning: unused variable 'cmdline_passed' [-Wunused-variable] char cmdline_passed[COMMAND_LINE_SIZE] = { 0, }; ^ Signed-off-by: Marek Vasut <marex@denx.de> Acked-by: Ley Foon Tan <lftan@altera.com>
2015-11-09xtensa: implement dma_to_phys and phys_to_dmaMax Filippov1-0/+10
This fixes the following build error seen in -next: drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c:143:2: error: implicit declaration of function 'dma_to_phys' Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2015-11-09xtensa: support DMA to high memoryMax Filippov2-17/+39
- don't bugcheck if high memory page is passed to xtensa_map_page; - turn empty dcache flush macros into functions so that they could be passed as function parameters; - use kmap_atomic to map high memory pages for cache invalidation/ flushing performed by xtensa_sync_single_for_{cpu,device}. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2015-11-08NTB: fix 32-bit compiler warningArnd Bergmann1-2/+2
resource_size_t may be 32-bit wide on some architectures, which causes this warning when building the NTB code: drivers/ntb/ntb_transport.c: In function 'ntb_transport_link_work': drivers/ntb/ntb_transport.c:828:46: warning: right shift count >= width of type [-Wshift-count-overflow] The warning is harmless but can be avoided by using the upper_32_bits() macro. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: e26a5843f7f5 ("NTB: Split ntb_hw_intel and ntb_transport drivers") Signed-off-by: Jon Mason <jdmason@kudzu.us>
2015-11-08NTB: unify translation addressesDave Jiang2-18/+13
There is no need for the upstream and downstream addresses to be different for the NTB configs. Go to using a single set of address. It is still possible to configure them differently using module parameter override however. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Acked and Tested-by: Allen Hubbe <Allen.Hubbe@emc.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2015-11-08NTB: invalid buf pointer in multi-MW setupsJon Mason1-2/+2
Order of operations issue with the QP Num and MW count, which would result in the receive buffer pointer being invalid if there are more than 1 MW. Corrected with parenthesis to enforce the proper order of operations. Reported-by: John I. Kading <John.Kading@gd-ms.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
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