- Jan 29, 2014
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Paul Mackerras authored
Commit d31626f7 ("powerpc: Don't corrupt transactional state when using FP/VMX in kernel") introduced a bug where the uc_link and uc_regs fields of the ucontext_t that is created to hold the transactional values of the registers in a 32-bit signal frame didn't get set correctly. The reason is that we now clear the MSR_TS bits in the MSR in save_tm_user_regs(), before the code that sets uc_link and uc_regs. To fix this, we move the setting of uc_link and uc_regs into the same if statement that selects whether to call save_tm_user_regs() or save_user_regs(). Signed-off-by:
Paul Mackerras <paulus@samba.org> Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Alistair Popple authored
Commit d0847757 switched the generic powerpc iommu backend code to use the it_page_shift field to determine page size. Commit 3a553170 should have initiliased this field for all platforms, however the DART iommu table code was not updated. This commit initialises the it_page_shift field to 4K for the DART iommu. Signed-off-by:
Alistair Popple <alistair@popple.id.au> Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Joe Perches authored
This should have been octal. Signed-off-by:
Joe Perches <joe@perches.com> Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Li Zhong authored
It seems that forward declaration couldn't work well with typedef, use struct spinlock directly to avoiding following build errors: In file included from include/linux/spinlock.h:81, from include/linux/seqlock.h:35, from include/linux/time.h:5, from include/uapi/linux/timex.h:56, from include/linux/timex.h:56, from include/linux/sched.h:17, from arch/powerpc/kernel/asm-offsets.c:17: include/linux/spinlock_types.h:76: error: redefinition of typedef 'spinlock_t' /root/linux-next/arch/powerpc/include/asm/pgtable-ppc64.h:563: note: previous declaration of 'spinlock_t' was here Signed-off-by:
Li Zhong <zhong@linux.vnet.ibm.com> Signed-off-by:
Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Andreas Schwab authored
This fixes a logic error that caused a failure to update the hw breakpoint registers when not using the hw-breakpoint interface. Signed-off-by:
Andreas Schwab <schwab@linux-m68k.org> Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Benjamin Herrenschmidt authored
<< This contains a fix for a chroma_defconfig build break that was introduced by e6500 tablewalk support, and a device tree binding patch that missed the previous pull request due to some last-minute polishing. >>
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Benjamin Herrenschmidt authored
<< Switch mpc512x to the common clock framework and adapt mpc512x drivers to use the new clock driver. Old PPC_CLOCK code is removed entirely since there are no users any more. >>
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-clientLinus Torvalds authored
Pull ceph updates from Sage Weil: "This is a big batch. From Ilya we have: - rbd support for more than ~250 mapped devices (now uses same scheme that SCSI does for device major/minor numbering) - crush updates for new mapping behaviors (will be needed for coming erasure coding support, among other things) - preliminary support for tiered storage pools There is also a big series fixing a pile cephfs bugs with clustered MDSs from Yan Zheng, ACL support for cephfs from Guangliang Zhao, ceph fscache improvements from Li Wang, improved behavior when we get ENOSPC from Josh Durgin, some readv/writev improvements from Majianpeng, and the usual mix of small cleanups" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (76 commits) ceph: cast PAGE_SIZE to size_t in ceph_sync_write() ceph: fix dout() compile warnings in ceph_filemap_fault() libceph: support CEPH_FEATURE_OSD_CACHEPOOL feature libceph: follow redirect replies from osds libceph: rename ceph_osd_request::r_{oloc,oid} to r_base_{oloc,oid} libceph: follow {read,write}_tier fields on osd request submission libceph: add ceph_pg_pool_by_id() libceph: CEPH_OSD_FLAG_* enum update libceph: replace ceph_calc_ceph_pg() with ceph_oloc_oid_to_pg() libceph: introduce and start using oid abstraction libceph: rename MAX_OBJ_NAME_SIZE to CEPH_MAX_OID_NAME_LEN libceph: move ceph_file_layout helpers to ceph_fs.h libceph: start using oloc abstraction libceph: dout() is missing a newline libceph: add ceph_kv{malloc,free}() and switch to them libceph: support CEPH_FEATURE_EXPORT_PEER ceph: add imported caps when handling cap export message ceph: add open export target session helper ceph: remove exported caps when handling cap import message ceph: handle session flush message ...
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git://git.open-osd.org/linux-open-osdLinus Torvalds authored
Pull exofs and ore fixes from Boaz Harrosh: "The main fix here, the first patch, is also destined for -stable. The rest is small trivia and cosmetics. The ORE patches effect both exofs and pnfs-objects very reproducible bugs" [ ORE is "object raid engine", used by exofs and pnfs - Linus ] * 'for-linus' of git://git.open-osd.org/linux-open-osd: exofs: Print less in r4w exofs: Allow corrupted directory entry to be empty file exofs: Allow O_DIRECT open ore: Don't crash on NULL bio in _clear_bio ore: Fix wrong math in allocation of per device BIO
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Ilya Dryomov authored
Use min_t(size_t, ...) instead of plain min(), which does strict type checking, to avoid compile warning on i386. Cc: Jianpeng Ma <majianpeng@gmail.com> Signed-off-by:
Ilya Dryomov <ilya.dryomov@inktank.com> Reviewed-by:
Sage Weil <sage@inktank.com>
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Ilya Dryomov authored
PAGE_CACHE_SIZE is unsigned long on all architectures, however size_t is either unsigned int or unsigned long. Rather than change format strings, cast PAGE_CACHE_SIZE to size_t to be in line with dout()s in ceph_page_mkwrite(). Cc: Yan, Zheng <zheng.z.yan@intel.com> Signed-off-by:
Ilya Dryomov <ilya.dryomov@inktank.com> Reviewed-by:
Sage Weil <sage@inktank.com>
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git://git.monstr.eu/linux-2.6-microblazeLinus Torvalds authored
Pull microblaze patches from Michal Simek: - add CCF support - fix BS=0 compilation - wire up defconfig - some minor cleanups and fixes * tag 'microblaze-3.14-rc1' of git://git.monstr.eu/linux-2.6-microblaze: microblaze: Add missing v8.50.a version microblaze: Fix missing bracket in printk microblaze: Fix compilation error for BS=0 microblaze: Disable stack protection from bootloader microblaze: Define read/write{b,w,l}_relaxed MMIO microblaze: timer: Do not initialized system timer twice microblaze: timer: Use generic sched_clock implementation microblaze: Add NOTES section to linker script microblaze: Add support for CCF microblaze: Simplify fcpu helper function microblaze/uapi: Use Kbuild logic to include <asm-generic/types.h> microblaze: Remove duplicate declarations of _stext[] and _etext[] microblaze: Remove _fdt_start casts microblaze: Wire up defconfig to mmu_defconfig
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linuxLinus Torvalds authored
Pull s390 patches from Martin Schwidefsky: "A new binary interface to be able to query and modify the LPAR scheduler weight and cap settings. Some improvements for the hvc terminal over iucv and a couple of bux fixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/hypfs: add interface for diagnose 0x304 s390: wire up sys_sched_setattr/sys_sched_getattr s390/uapi: fix struct statfs64 definition s390/uaccess: remove dead extern declarations, make functions static s390/uaccess: test if current->mm is set before walking page tables s390/zfcpdump: make zfcpdump depend on 64BIT s390/32bit: fix cmpxchg64 s390/xpram: don't modify module parameters s390/zcrypt: remove zcrypt kmsg documentation again s390/hvc_iucv: Automatically assign free HVC terminal devices s390/hvc_iucv: Display connection details through device attributes s390/hvc_iucv: fix sparse warning s390/vmur: Link parent CCW device during UR device creation
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git://jni.nu/crisLinus Torvalds authored
Pull cris fix from Jesper Nilsson: "One include too much was removed" * tag 'cris-correction-for-3.14' of git://jni.nu/cris: CRISv10: Readd missing header
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4Linus Torvalds authored
Pull ext4 update from Ted Ts'o: "Bug fixes and cleanups for ext4. We also enable the punch hole functionality for bigalloc file systems" * tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: delete "set but not used" variables ext4: don't pass freed handle to ext4_walk_page_buffers ext4: avoid clearing beyond i_blocks when truncating an inline data file ext4: ext4_inode_is_fast_symlink should use EXT4_CLUSTER_SIZE ext4: fix a typo in extents.c ext4: use %pd printk specificer ext4: standardize error handling in ext4_da_write_inline_data_begin() ext4: retry allocation when inline->extent conversion failed ext4: enable punch hole for bigalloc
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git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds authored
Pull NFS client updates from Trond Myklebust: "Highlights include: - stable fix for an infinite loop in RPC state machine - stable fix for a use after free situation in the NFSv4 trunking discovery - stable fix for error handling in the NFSv4 trunking discovery - stable fix for the page write update code - stable fix for the NFSv4.1 mount time security negotiation - stable fix for the NFSv4 open code. - O_DIRECT locking fixes - fix an Oops in the pnfs file commit code - RPC layer needs finer grained handling of connection errors - more RPC GSS upcall fixes" * tag 'nfs-for-3.14-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (30 commits) pnfs: Proper delay for NFS4ERR_RECALLCONFLICT in layout_get_done pnfs: fix BUG in filelayout_recover_commit_reqs nfs4: fix discover_server_trunking use after free NFSv4.1: Handle errors correctly in nfs41_walk_client_list nfs: always make sure page is up-to-date before extending a write to cover the entire page nfs: page cache invalidation for dio nfs: take i_mutex during direct I/O reads nfs: merge nfs_direct_write into nfs_file_direct_write nfs: merge nfs_direct_read into nfs_file_direct_read nfs: increment i_dio_count for reads, too nfs: defer inode_dio_done call until size update is done nfs: fix size updates for aio writes nfs4.1: properly handle ENOTSUP in SECINFO_NO_NAME NFSv4.1: Fix a race in nfs4_write_inode NFSv4.1: Don't trust attributes if a pNFS LAYOUTCOMMIT is outstanding point to the right include file in a comment (left over from a9004abc) NFS: dprintk() should not print negative fileids and inode numbers nfs: fix dead code of ipv6_addr_scope sunrpc: Fix infinite loop in RPC state machine SUNRPC: Add tracepoint for socket errors ...
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull vfs updates from Al Viro: "Assorted stuff; the biggest pile here is Christoph's ACL series. Plus assorted cleanups and fixes all over the place... There will be another pile later this week" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (43 commits) __dentry_path() fixes vfs: Remove second variable named error in __dentry_path vfs: Is mounted should be testing mnt_ns for NULL or error. Fix race when checking i_size on direct i/o read hfsplus: remove can_set_xattr nfsd: use get_acl and ->set_acl fs: remove generic_acl nfs: use generic posix ACL infrastructure for v3 Posix ACLs gfs2: use generic posix ACL infrastructure jfs: use generic posix ACL infrastructure xfs: use generic posix ACL infrastructure reiserfs: use generic posix ACL infrastructure ocfs2: use generic posix ACL infrastructure jffs2: use generic posix ACL infrastructure hfsplus: use generic p...
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- Jan 28, 2014
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Jesper Nilsson authored
The svinto architecture header was mistakenly removed, leading to a compile error. Signed-off-by:
Jesper Nilsson <jesper.nilsson@axis.com>
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Linus Torvalds authored
Merge misc updates from Andrew Morton: - a few hotfixes - dynamic-debug updates - ipc updates - various other sweepings off the factory floor * akpm: (31 commits) firmware/google: drop 'select EFI' to avoid recursive dependency compat: fix sys_fanotify_mark checkpatch.pl: check for function declarations without arguments mm/migrate.c: fix setting of cpupid on page migration twice against normal page softirq: use const char * const for softirq_to_name, whitespace neatening softirq: convert printks to pr_<level> softirq: use ffs() in __do_softirq() kernel/kexec.c: use vscnprintf() instead of vsnprintf() in vmcoreinfo_append_str() splice: fix unexpected size truncation ipc: fix compat msgrcv with negative msgtyp ipc,msg: document barriers ipc: delete seq_max field in struct ipc_ids ipc: simplify sysvipc_proc_open() return ipc: remove useless return statement ipc: remove braces for single statements ipc: standardize code comments ipc: whitespace cleanup ipc: change kern_ipc_perm.deleted type to bool ipc: introduce ipc_valid_object() helper to sort out IPC_RMID races ipc/sem.c: avoid overflow of semop undo (semadj) value ...
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpcLinus Torvalds authored
Pull powerpc updates from Ben Herrenschmidt: "So here's my next branch for powerpc. A bit late as I was on vacation last week. It's mostly the same stuff that was in next already, I just added two patches today which are the wiring up of lockref for powerpc, which for some reason fell through the cracks last time and is trivial. The highlights are, in addition to a bunch of bug fixes: - Reworked Machine Check handling on kernels running without a hypervisor (or acting as a hypervisor). Provides hooks to handle some errors in real mode such as TLB errors, handle SLB errors, etc... - Support for retrieving memory error information from the service processor on IBM servers running without a hypervisor and routing them to the memory poison infrastructure. - _PAGE_NUMA support on server processors - 32-bit BookE relocatable kernel support - FSL e6500 hardware tablewalk support - A bunch of new/revived board support - FSL e6500 deeper idle states and altivec powerdown support You'll notice a generic mm change here, it has been acked by the relevant authorities and is a pre-req for our _PAGE_NUMA support" * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (121 commits) powerpc: Implement arch_spin_is_locked() using arch_spin_value_unlocked() powerpc: Add support for the optimised lockref implementation powerpc/powernv: Call OPAL sync before kexec'ing powerpc/eeh: Escalate error on non-existing PE powerpc/eeh: Handle multiple EEH errors powerpc: Fix transactional FP/VMX/VSX unavailable handlers powerpc: Don't corrupt transactional state when using FP/VMX in kernel powerpc: Reclaim two unused thread_info flag bits powerpc: Fix races with irq_work Move precessing of MCE queued event out from syscall exit path. pseries/cpuidle: Remove redundant call to ppc64_runlatch_off() in cpu idle routines powerpc: Make add_system_ram_resources() __init powerpc: add SATA_MV to ppc64_defconfig powerpc/powernv: Increase candidate fw image size powerpc: Add debug checks to catch invalid cpu-to-node mappings powerpc: Fix the setup of CPU-to-Node mappings during CPU online powerpc/iommu: Don't detach device without IOMMU group powerpc/eeh: Hotplug improvement powerpc/eeh: Call opal_pci_reinit() on powernv for restoring config space powerpc/eeh: Add restore_config operation ...
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpcLinus Torvalds authored
Pull powerpc mremap fix from Ben Herrenschmidt: "This is the patch that I had sent after -rc8 and which we decided to wait before merging. It's based on a different tree than my -next branch (it needs some pre-reqs that were in -rc4 or so while my -next is based on -rc1) so I left it as a separate branch for your to pull. It's identical to the request I did 2 or 3 weeks back. This fixes crashes in mremap with THP on powerpc. The fix however requires a small change in the generic code. It moves a condition into a helper we can override from the arch which is harmless, but it *also* slightly changes the order of the set_pmd and the withdraw & deposit, which should be fine according to Kirill (who wrote that code) but I agree -rc8 is a bit late... It was acked by Kirill and Andrew told me to just merge it via powerpc" * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/thp: Fix crash on mremap
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Ard Biesheuvel authored
The GOOGLE_SMI Kconfig symbol depends on DMI and selects EFI. This causes problems on other archs when introducing DMI support that depends on EFI, as it results in a recursive dependency: arch/arm/Kconfig:1845:error: recursive dependency detected! arch/arm/Kconfig:1845: symbol DMI depends on EFI Fix by changing the 'select EFI' to a 'depends on EFI'. Signed-off-by:
Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: David Rientjes <rientjes@google.com> Acked-by:
Mike Waychison <mikew@google.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Heiko Carstens authored
Commit 91c2e0bc ("unify compat fanotify_mark(2), switch to COMPAT_SYSCALL_DEFINE") added a new unified compat fanotify_mark syscall to be used by all architectures. Unfortunately the unified version merges the split mask parameter in a wrong way: the lower and higher word got swapped. This was discovered with glibc's tst-fanotify test case. Signed-off-by:
Heiko Carstens <heiko.carstens@de.ibm.com> Reported-by:
Andreas Krebbel <krebbel@linux.vnet.ibm.com> Cc: "James E.J. Bottomley" <jejb@parisc-linux.org> Acked-by:
"David S. Miller" <davem@davemloft.net> Acked-by:
Al Viro <viro@ZenIV.linux.org.uk> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: <stable@vger.kernel.org> [3.10+] Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Joe Perches authored
Functions like this one are evil: void foo() { ... } Because these functions allow variadic arguments without checking the arguments at all. Original patch by Richard Weinberger. Signed-off-by:
Joe Perches <joe@perches.com> Cc: Richard Weinberger <richard@nod.at> Cc: Borislav Petkov <bp@alien8.de> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Wanpeng Li authored
Commit 7851a45c ("mm: numa: Copy cpupid on page migration") copies over the cpupid at page migration time. It is unnecessary to set it again in alloc_misplaced_dst_page(). Signed-off-by:
Wanpeng Li <liwanp@linux.vnet.ibm.com> Reviewed-by:
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Acked-by:
Mel Gorman <mgorman@suse.de> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Joe Perches authored
Reduce data size a little. Reduce checkpatch noise. $ size kernel/softirq.o* text data bss dec hex filename 11554 6013 4008 21575 5447 kernel/softirq.o.new 11474 6093 4008 21575 5447 kernel/softirq.o.old Signed-off-by:
Joe Perches <joe@perches.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Joe Perches authored
Use a more current logging style. Signed-off-by:
Joe Perches <joe@perches.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Joe Perches authored
Possible speed improvement of __do_softirq() by using ffs() instead of using a while loop with an & 1 test then single bit shift. Signed-off-by:
Joe Perches <joe@perches.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Chen Gang authored
vsnprintf() may let 'r' larger than sizeof(buf), in this case, if 'r' is also less than "vmcoreinfo_max_size - vmcoreinfo_size" (left size of destination buffer), next memcpy() will read the unexpected addresses. Signed-off-by:
Chen Gang <gang.chen@asianux.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Xiao Guangrong authored
@splice_desc.total_len is 32 bit(unsigned int) which is used to store the size passed from userspace which is 64 bit(size_t) so that the size is unexpectedly truncated That means vmsplice can not work if the size passed from userspace is >= 4G, for example, we noticed in vmsplice, splice-reader does not do anything and splice-writer is waiting for available buffer forever if the size is 4G Fix it by extending @splice_desc.total_len to 64 bits as well Signed-off-by:
Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Mateusz Guzik authored
Compat function takes msgtyp argument as u32 and passes it down to do_msgrcv which results in casting to long, thus the sign is lost and we get a big positive number instead. Cast the argument to signed type before passing it down. Signed-off-by:
Mateusz Guzik <mguzik@redhat.com> Reported-by:
Gabriellla Schmidt <gsc@bruker.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Davidlohr Bueso <davidlohr@hp.com> Cc: Manfred Spraul <manfred@colorfullife.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Davidlohr Bueso authored
Both expunge_all() and pipeline_send() rely on both a nil msg value and a full barrier to guarantee the correct ordering when waking up a task. While its counterpart at the receiving end is well documented for the lockless recv algorithm, we still need to document these specific smp_mb() calls. [akpm@linux-foundation.org: fix typo, per Mike] [akpm@linux-foundation.org: mroe tpyos] Signed-off-by:
Davidlohr Bueso <davidlohr@hp.com> Cc: Aswin Chandramouleeswaran <aswin@hp.com> Cc: Rik van Riel <riel@redhat.com> Cc: Manfred Spraul <manfred@colorfullife.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Davidlohr Bueso authored
This field is only used to reset the ids seq number if it exceeds the smaller of INT_MAX/SEQ_MULTIPLIER and USHRT_MAX, and can therefore be moved out of the structure and into its own macro. Since each ipc_namespace contains a table of 3 pointers to struct ipc_ids we can save space in instruction text: text data bss dec hex filename 56232 2348 24 58604 e4ec ipc/built-in.o 56216 2348 24 58588 e4dc ipc/built-in.o-after Signed-off-by:
Davidlohr Bueso <davidlohr@hp.com> Reviewed-by:
Jonathan Gonzalez <jgonzalez@linets.cl> Cc: Aswin Chandramouleeswaran <aswin@hp.com> Cc: Rik van Riel <riel@redhat.com> Acked-by:
Manfred Spraul <manfred@colorfullife.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Davidlohr Bueso authored
Get rid of silly/useless label jumping. Signed-off-by:
Davidlohr Bueso <davidlohr@hp.com> Cc: Aswin Chandramouleeswaran <aswin@hp.com> Cc: Rik van Riel <riel@redhat.com> Acked-by:
Manfred Spraul <manfred@colorfullife.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Davidlohr Bueso authored
Only found in ipc_rmid(). Signed-off-by:
Davidlohr Bueso <davidlohr@hp.com> Cc: Aswin Chandramouleeswaran <aswin@hp.com> Cc: Rik van Riel <riel@redhat.com> Acked-by:
Manfred Spraul <manfred@colorfullife.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Davidlohr Bueso authored
Deal with checkpatch messages: WARNING: braces {} are not necessary for single statement blocks Signed-off-by:
Davidlohr Bueso <davidlohr@hp.com> Cc: Aswin Chandramouleeswaran <aswin@hp.com> Cc: Rik van Riel <riel@redhat.com> Acked-by:
Manfred Spraul <manfred@colorfullife.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Davidlohr Bueso authored
IPC commenting style is all over the place, *specially* in util.c. This patch orders things a bit. Signed-off-by:
Davidlohr Bueso <davidlohr@hp.com> Cc: Aswin Chandramouleeswaran <aswin@hp.com> Cc: Rik van Riel <riel@redhat.com> Acked-by:
Manfred Spraul <manfred@colorfullife.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Manfred Spraul authored
The ipc code does not adhere the typical linux coding style. This patch fixes lots of simple whitespace errors. - mostly autogenerated by scripts/checkpatch.pl -f --fix \ --types=pointer_location,spacing,space_before_tab - one manual fixup (keep structure members tab-aligned) - removal of additional space_before_tab that were not found by --fix Tested with some of my msg and sem test apps. Andrew: Could you include it in -mm and move it towards Linus' tree? Signed-off-by:
Manfred Spraul <manfred@colorfullife.com> Suggested-by:
Li Bin <huawei.libin@huawei.com> Cc: Joe Perches <joe@perches.com> Acked-by:
Rafael Aquini <aquini@redhat.com> Cc: Davidlohr Bueso <davidlohr@hp.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Rafael Aquini authored
struct kern_ipc_perm.deleted is meant to be used as a boolean toggle, and the changes introduced by this patch are just to make the case explicit. Signed-off-by:
Rafael Aquini <aquini@redhat.com> Reviewed-by:
Rik van Riel <riel@redhat.com> Cc: Greg Thelen <gthelen@google.com> Acked-by:
Davidlohr Bueso <davidlohr@hp.com> Cc: Manfred Spraul <manfred@colorfullife.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Rafael Aquini authored
After the locking semantics for the SysV IPC API got improved, a couple of IPC_RMID race windows were opened because we ended up dropping the 'kern_ipc_perm.deleted' check performed way down in ipc_lock(). The spotted races got sorted out by re-introducing the old test within the racy critical sections. This patch introduces ipc_valid_object() to consolidate the way we cope with IPC_RMID races by using the same abstraction across the API implementation. Signed-off-by:
Rafael Aquini <aquini@redhat.com> Acked-by:
Rik van Riel <riel@redhat.com> Acked-by:
Greg Thelen <gthelen@google.com> Reviewed-by:
Davidlohr Bueso <davidlohr@hp.com> Cc: Manfred Spraul <manfred@colorfullife.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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