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2013-07-04mm/hexagon: prepare for removing num_physpages and simplify mem_init()Jiang Liu1-3/+1
Prepare for removing num_physpages and simplify mem_init(). Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Cc: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-07-04mm: concentrate modification of totalram_pages into the mm coreJiang Liu1-1/+1
Concentrate code to modify totalram_pages into the mm core, so the arch memory initialized code doesn't need to take care of it. With these changes applied, only following functions from mm core modify global variable totalram_pages: free_bootmem_late(), free_all_bootmem(), free_all_bootmem_node(), adjust_managed_page_count(). With this patch applied, it will be much more easier for us to keep totalram_pages and zone->managed_pages in consistence. Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Acked-by: David Howells <dhowells@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: <sworddragon2@aol.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Jianguo Wu <wujianguo@huawei.com> Cc: Joonsoo Kim <js1304@gmail.com> Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Michel Lespinasse <walken@google.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Rik van Riel <riel@redhat.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Tang Chen <tangchen@cn.fujitsu.com> Cc: Tejun Heo <tj@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Wen Congyang <wency@cn.fujitsu.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-06-29consolidate io_remap_pfn_range definitionsAl Viro1-4/+0
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-09Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linuxLinus Torvalds1-3/+0
Pull removal of GENERIC_GPIO from Grant Likely: "GENERIC_GPIO now synonymous with GPIOLIB. There are no longer any valid cases for enableing GENERIC_GPIO without GPIOLIB, even though it is possible to do so which has been causing confusion and breakage. This branch does the work to completely eliminate GENERIC_GPIO." * tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux: gpio: update gpio Chinese documentation Remove GENERIC_GPIO config option Convert selectors of GENERIC_GPIO to GPIOLIB blackfin: force use of gpiolib m68k: coldfire: use gpiolib mips: pnx833x: remove requirement for GENERIC_GPIO openrisc: default GENERIC_GPIO to false avr32: default GENERIC_GPIO to false xtensa: remove explicit selection of GENERIC_GPIO sh: replace CONFIG_GENERIC_GPIO by CONFIG_GPIOLIB powerpc: remove redundant GENERIC_GPIO selection unicore32: default GENERIC_GPIO to false unicore32: remove unneeded select GENERIC_GPIO arm: plat-orion: use GPIO driver on CONFIG_GPIOLIB arm: remove redundant GENERIC_GPIO selection mips: alchemy: require gpiolib mips: txx9: change GENERIC_GPIO to GPIOLIB mips: loongson: use GPIO driver on CONFIG_GPIOLIB mips: remove redundant GENERIC_GPIO select
2013-05-09Merge branch 'for-linus' of ↵Linus Torvalds2-8/+6
git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel Pull Hexagon fixes from Richard Kuo: "A bug fix and a Kconfig cleanup" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel: HEXAGON: Remove non existent reference to GENERIC_KERNEL_EXECVE & GENERIC_KERNEL_THREAD Hexagon: fix register used to call do_work_pending
2013-05-07HEXAGON: Remove non existent reference to GENERIC_KERNEL_EXECVE & ↵Alexander Shiyan1-2/+0
GENERIC_KERNEL_THREAD Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-07Hexagon: fix register used to call do_work_pendingRichard Kuo1-6/+6
ABI v2 callee saves start at R24. Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Merge branch 'for-linus' of ↵Linus Torvalds33-343/+659
git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel Pull Hexagon fixes from Richard Kuo: "Changes for the Hexagon architecture (and one touching OpenRISC). They include various fixes to make use of additional arch features and cleanups. The largest functional change is a cleanup of the signal and event return paths" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel: (32 commits) Hexagon: add v4 CS regs to core copyout macro Hexagon: use correct translation for VMALLOC_START Hexagon: use correct translations for DMA mappings Hexagon: fix return value for notify_resume case in do_work_pending Hexagon: fix signal number for user mem faults Hexagon: remove two Kconfig entries arch: remove CONFIG_GENERIC_FIND_NEXT_BIT again Hexagon: update copyright dates Hexagon: add translation types for __vmnewmap Hexagon: fix signal.c compile error Hexagon: break up user fn/arg register setting Hexagon: use generic sys_fork, sys_vfork, and sys_clone Hexagon: fix psp/sp macro Hexagon: fix up int enable/disable at ret_from_fork Hexagon: add IOMEM and _relaxed IO macros Hexagon: switch to using the device type for IO mappings Hexagon: don't print info for offline CPU's Hexagon: add support for single-stepping (v4+) Hexagon: use correct work mask when checking for more work Hexagon: add support for additional exceptions ...
2013-05-01Hexagon: add v4 CS regs to core copyout macroRichard Kuo1-3/+12
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: use correct translation for VMALLOC_STARTRichard Kuo1-2/+1
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: use correct translations for DMA mappingsRichard Kuo2-10/+22
With physical offsets, pa<->va translations aren't just based on PAGE_OFFSET anymore. Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: fix return value for notify_resume case in do_work_pendingRichard Kuo1-0/+1
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: fix signal number for user mem faultsRichard Kuo1-2/+2
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: remove two Kconfig entriesPaul Bolle1-9/+0
The Kconfig entries for HEXAGON_VM and HEXAGON_ANGEL_TRAPS were added, together with the configuration and makefiles for the Hexagon architecture, in v3.2. They have never been used. They can safely be removed. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> [rkuo@codeaurora.org: adjust for line changes in Kconfig] Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01arch: remove CONFIG_GENERIC_FIND_NEXT_BIT againPaul Bolle1-3/+0
CONFIG_GENERIC_FIND_NEXT_BIT was removed in v3.0, but reappeared in two architectures. Remove it again. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Acked-by: Jonas Bonn <jonas@southpole.se> Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: update copyright datesRichard Kuo20-20/+20
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: add translation types for __vmnewmapRichard Kuo1-0/+7
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: fix signal.c compile errorRichard Kuo1-0/+2
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: break up user fn/arg register settingRichard Kuo1-1/+2
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: use generic sys_fork, sys_vfork, and sys_cloneRichard Kuo2-0/+5
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: fix psp/sp macroRichard Kuo1-2/+1
Based on feedback from Al Viro; previous-stack-pointer and user reg for same should always be kept consistent. Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: fix up int enable/disable at ret_from_forkRichard Kuo1-2/+11
Check return coming out of check_work_pending, and if copy_thread passed us a function in r24, call it. Based on feedback from Al Viro. Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: add IOMEM and _relaxed IO macrosRichard Kuo1-0/+14
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: switch to using the device type for IO mappingsRichard Kuo1-5/+4
Uncached on our architecture can still have side effects such as canceled/replayed transactions; device type prevents this. Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: don't print info for offline CPU'sRichard Kuo1-0/+5
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: add support for single-stepping (v4+)Richard Kuo6-1/+38
Hardware single-step is only available on v4 and later architectures. Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: use correct work mask when checking for more workRichard Kuo1-1/+1
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: add support for additional exceptionsRichard Kuo1-0/+10
Add multi-reg-write and unaligned-PC exceptions. Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: fix initial page table setup prior to jump to VARichard Kuo1-12/+73
Use the exact number of pages needed to be mapped pre-VA-jump, then map 896MB afterwards, which the arch mem init will fix up. Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: remove keyring related callRichard Kuo1-3/+0
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: check to if we will overflow the signal stackRichard Kuo1-0/+4
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: Signal and return path fixesRichard Kuo5-88/+84
This fixes the return value of sigreturn and moves the work pending check into a c routine for readability and fixes the loop for multiple pending signals. Based on feedback from Al Viro. Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: add support for new v4+ registersRichard Kuo8-48/+206
Add support for a couple new v4+ registers, along with newer save/restore pt_regs. Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: add individual register access for switch_stackRichard Kuo1-6/+43
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: use defines for MIN_KERNEL_SEG calculationRichard Kuo1-1/+1
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: use GENERIC_CPU_DEVICESRichard Kuo3-53/+2
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: change arch version config to allow comparisonsRichard Kuo3-31/+10
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: add support for ARCH_PFN_OFFSETRichard Kuo8-55/+91
Add support for loading the kernel at a physical offset. The offset should still be 4M aligned. Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: fix __atomic_add_unlessRichard Kuo1-9/+11
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01Hexagon: clean up generic headers in KbuildRichard Kuo1-1/+1
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-05-01dump_stack: unify debug information printed by show_regs()Tejun Heo1-0/+2
show_regs() is inherently arch-dependent but it does make sense to print generic debug information and some archs already do albeit in slightly different forms. This patch introduces a generic function to print debug information from show_regs() so that different archs print out the same information and it's much easier to modify what's printed. show_regs_print_info() prints out the same debug info as dump_stack() does plus task and thread_info pointers. * Archs which didn't print debug info now do. alpha, arc, blackfin, c6x, cris, frv, h8300, hexagon, ia64, m32r, metag, microblaze, mn10300, openrisc, parisc, score, sh64, sparc, um, xtensa * Already prints debug info. Replaced with show_regs_print_info(). The printed information is superset of what used to be there. arm, arm64, avr32, mips, powerpc, sh32, tile, unicore32, x86 * s390 is special in that it used to print arch-specific information along with generic debug info. Heiko and Martin think that the arch-specific extra isn't worth keeping s390 specfic implementation. Converted to use the generic version. Note that now all archs print the debug info before actual register dumps. An example BUG() dump follows. kernel BUG at /work/os/work/kernel/workqueue.c:4841! invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC Modules linked in: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.9.0-rc1-work+ #7 Hardware name: empty empty/S3992, BIOS 080011 10/26/2007 task: ffff88007c85e040 ti: ffff88007c860000 task.ti: ffff88007c860000 RIP: 0010:[<ffffffff8234a07e>] [<ffffffff8234a07e>] init_workqueues+0x4/0x6 RSP: 0000:ffff88007c861ec8 EFLAGS: 00010246 RAX: ffff88007c861fd8 RBX: ffffffff824466a8 RCX: 0000000000000001 RDX: 0000000000000046 RSI: 0000000000000001 RDI: ffffffff8234a07a RBP: ffff88007c861ec8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff8234a07a R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88007dc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: ffff88015f7ff000 CR3: 00000000021f1000 CR4: 00000000000007f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Stack: ffff88007c861ef8 ffffffff81000312 ffffffff824466a8 ffff88007c85e650 0000000000000003 0000000000000000 ffff88007c861f38 ffffffff82335e5d ffff88007c862080 ffffffff8223d8c0 ffff88007c862080 ffffffff81c47760 Call Trace: [<ffffffff81000312>] do_one_initcall+0x122/0x170 [<ffffffff82335e5d>] kernel_init_freeable+0x9b/0x1c8 [<ffffffff81c47760>] ? rest_init+0x140/0x140 [<ffffffff81c4776e>] kernel_init+0xe/0xf0 [<ffffffff81c6be9c>] ret_from_fork+0x7c/0xb0 [<ffffffff81c47760>] ? rest_init+0x140/0x140 ... v2: Typo fix in x86-32. v3: CPU number dropped from show_regs_print_info() as dump_stack_print_info() has been updated to print it. s390 specific implementation dropped as requested by s390 maintainers. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Jesper Nilsson <jesper.nilsson@axis.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Fengguang Wu <fengguang.wu@intel.com> Cc: Mike Frysinger <vapier@gentoo.org> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Sam Ravnborg <sam@ravnborg.org> Acked-by: Chris Metcalf <cmetcalf@tilera.com> [tile bits] Acked-by: Richard Kuo <rkuo@codeaurora.org> [hexagon bits] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-05-01dump_stack: consolidate dump_stack() implementations and unify their behaviorsTejun Heo1-8/+0
Both dump_stack() and show_stack() are currently implemented by each architecture. show_stack(NULL, NULL) dumps the backtrace for the current task as does dump_stack(). On some archs, dump_stack() prints extra information - pid, utsname and so on - in addition to the backtrace while the two are identical on other archs. The usages in arch-independent code of the two functions indicate show_stack(NULL, NULL) should print out bare backtrace while dump_stack() is used for debugging purposes when something went wrong, so it does make sense to print additional information on the task which triggered dump_stack(). There's no reason to require archs to implement two separate but mostly identical functions. It leads to unnecessary subtle information. This patch expands the dummy fallback dump_stack() implementation in lib/dump_stack.c such that it prints out debug information (taken from x86) and invokes show_stack(NULL, NULL) and drops arch-specific dump_stack() implementations in all archs except blackfin. Blackfin's dump_stack() does something wonky that I don't understand. Debug information can be printed separately by calling dump_stack_print_info() so that arch-specific dump_stack() implementation can still emit the same debug information. This is used in blackfin. This patch brings the following behavior changes. * On some archs, an extra level in backtrace for show_stack() could be printed. This is because the top frame was determined in dump_stack() on those archs while generic dump_stack() can't do that reliably. It can be compensated by inlining dump_stack() but not sure whether that'd be necessary. * Most archs didn't use to print debug info on dump_stack(). They do now. An example WARN dump follows. WARNING: at kernel/workqueue.c:4841 init_workqueues+0x35/0x505() Hardware name: empty Modules linked in: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.9.0-rc1-work+ #9 0000000000000009 ffff88007c861e08 ffffffff81c614dc ffff88007c861e48 ffffffff8108f50f ffffffff82228240 0000000000000040 ffffffff8234a03c 0000000000000000 0000000000000000 0000000000000000 ffff88007c861e58 Call Trace: [<ffffffff81c614dc>] dump_stack+0x19/0x1b [<ffffffff8108f50f>] warn_slowpath_common+0x7f/0xc0 [<ffffffff8108f56a>] warn_slowpath_null+0x1a/0x20 [<ffffffff8234a071>] init_workqueues+0x35/0x505 ... v2: CPU number added to the generic debug info as requested by s390 folks and dropped the s390 specific dump_stack(). This loses %ksp from the debug message which the maintainers think isn't important enough to keep the s390-specific dump_stack() implementation. dump_stack_print_info() is moved to kernel/printk.c from lib/dump_stack.c. Because linkage is per objecct file, dump_stack_print_info() living in the same lib file as generic dump_stack() means that archs which implement custom dump_stack() - at this point, only blackfin - can't use dump_stack_print_info() as that will bring in the generic version of dump_stack() too. v1 The v1 patch broke build on blackfin due to this issue. The build breakage was reported by Fengguang Wu. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Vineet Gupta <vgupta@synopsys.com> Acked-by: Jesper Nilsson <jesper.nilsson@axis.com> Acked-by: Vineet Gupta <vgupta@synopsys.com> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> [s390 bits] Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Mike Frysinger <vapier@gentoo.org> Cc: Fengguang Wu <fengguang.wu@intel.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Sam Ravnborg <sam@ravnborg.org> Acked-by: Richard Kuo <rkuo@codeaurora.org> [hexagon bits] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-17idle: Remove GENERIC_IDLE_LOOP config switchThomas Gleixner1-1/+0
All archs are converted over. Remove the config switch and the fallback code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2013-04-16Remove GENERIC_GPIO config optionAlexandre Courbot1-3/+0
GENERIC_GPIO has been made equivalent to GPIOLIB in architecture code and all driver code has been switch to depend on GPIOLIB. It is thus safe to have GENERIC_GPIO removed. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Grant Likely <grant.likely@secretlab.ca>
2013-04-08hexagon: Use generic idle loopThomas Gleixner3-21/+5
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Paul McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Reviewed-by: Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Cc: Magnus Damm <magnus.damm@gmail.com> Acked-by: Richard Kuo <rkuo@codeaurora.org> Link: http://lkml.kernel.org/r/20130321215234.338692935@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2013-02-27Merge branch 'for-linus' of ↵Linus Torvalds1-5/+0
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs pile (part one) from Al Viro: "Assorted stuff - cleaning namei.c up a bit, fixing ->d_name/->d_parent locking violations, etc. The most visible changes here are death of FS_REVAL_DOT (replaced with "has ->d_weak_revalidate()") and a new helper getting from struct file to inode. Some bits of preparation to xattr method interface changes. Misc patches by various people sent this cycle *and* ocfs2 fixes from several cycles ago that should've been upstream right then. PS: the next vfs pile will be xattr stuff." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (46 commits) saner proc_get_inode() calling conventions proc: avoid extra pde_put() in proc_fill_super() fs: change return values from -EACCES to -EPERM fs/exec.c: make bprm_mm_init() static ocfs2/dlm: use GFP_ATOMIC inside a spin_lock ocfs2: fix possible use-after-free with AIO ocfs2: Fix oops in ocfs2_fast_symlink_readpage() code path get_empty_filp()/alloc_file() leave both ->f_pos and ->f_version zero target: writev() on single-element vector is pointless export kernel_write(), convert open-coded instances fs: encode_fh: return FILEID_INVALID if invalid fid_type kill f_vfsmnt vfs: kill FS_REVAL_DOT by adding a d_weak_revalidate dentry op nfsd: handle vfs_getattr errors in acl protocol switch vfs_getattr() to struct path default SET_PERSONALITY() in linux/elf.h ceph: prepopulate inodes only when request is aborted d_hash_and_lookup(): export, switch open-coded instances 9p: switch v9fs_set_create_acl() to inode+fid, do it before d_instantiate() 9p: split dropping the acls from v9fs_set_create_acl() ...
2013-02-26default SET_PERSONALITY() in linux/elf.hAl Viro1-5/+0
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-02-26Merge tag 'modules-next-for-linus' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux Pull module update from Rusty Russell: "The sweeping change is to make add_taint() explicitly indicate whether to disable lockdep, but it's a mechanical change." * tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: MODSIGN: Add option to not sign modules during modules_install MODSIGN: Add -s <signature> option to sign-file MODSIGN: Specify the hash algorithm on sign-file command line MODSIGN: Simplify Makefile with a Kconfig helper module: clean up load_module a little more. modpost: Ignore ARC specific non-alloc sections module: constify within_module_* taint: add explicit flag to show whether lock dep is still OK. module: printk message when module signature fail taints kernel.
2013-02-24Merge branch 'for-linus' of ↵Linus Torvalds1-14/+2
git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal Pull signal handling cleanups from Al Viro: "This is the first pile; another one will come a bit later and will contain SYSCALL_DEFINE-related patches. - a bunch of signal-related syscalls (both native and compat) unified. - a bunch of compat syscalls switched to COMPAT_SYSCALL_DEFINE (fixing several potential problems with missing argument validation, while we are at it) - a lot of now-pointless wrappers killed - a couple of architectures (cris and hexagon) forgot to save altstack settings into sigframe, even though they used the (uninitialized) values in sigreturn; fixed. - microblaze fixes for delivery of multiple signals arriving at once - saner set of helpers for signal delivery introduced, several architectures switched to using those." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: (143 commits) x86: convert to ksignal sparc: convert to ksignal arm: switch to struct ksignal * passing alpha: pass k_sigaction and siginfo_t using ksignal pointer burying unused conditionals make do_sigaltstack() static arm64: switch to generic old sigaction() (compat-only) arm64: switch to generic compat rt_sigaction() arm64: switch compat to generic old sigsuspend arm64: switch to generic compat rt_sigqueueinfo() arm64: switch to generic compat rt_sigpending() arm64: switch to generic compat rt_sigprocmask() arm64: switch to generic sigaltstack sparc: switch to generic old sigsuspend sparc: COMPAT_SYSCALL_DEFINE does all sign-extension as well as SYSCALL_DEFINE sparc: kill sign-extending wrappers for native syscalls kill sparc32_open() sparc: switch to use of generic old sigaction sparc: switch sys_compat_rt_sigaction() to COMPAT_SYSCALL_DEFINE mips: switch to generic sys_fork() and sys_clone() ...
2013-02-14burying unused conditionalsAl Viro1-1/+0
__ARCH_WANT_SYS_RT_SIGACTION, __ARCH_WANT_SYS_RT_SIGSUSPEND, __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND, __ARCH_WANT_COMPAT_SYS_SCHED_RR_GET_INTERVAL - not used anymore CONFIG_GENERIC_{SIGALTSTACK,COMPAT_RT_SIG{ACTION,QUEUEINFO,PENDING,PROCMASK}} - can be assumed always set.
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