- 21 Oct, 2006 4 commits
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Holger Macht authored
Add support for the generic backlight interface below /sys/class/backlight. Keep the procfs brightness handling for backward compatibility. [apw@shadowen.org: backlight users need to select BACKLIGHT_CLASS_DEVICE] Signed-off-by:
Holger Macht <hmacht@suse.de> Signed-off-by:
Andy Whitcroft <apw@shadowen.org> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Len Brown <len.brown@intel.com>
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Holger Macht authored
Add support for the generic backlight interface below /sys/class/backlight. The patch keeps the procfs brightness handling for backward compatibility. Add two generic functions brightness_get and brightness_set to be used both by the procfs related and the sysfs related methods. [apw@shadowen.org: backlight users need to select BACKLIGHT_CLASS_DEVICE] Signed-off-by:
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Nicolas Pitre authored
This was apparently missed by the move to the generic IRQ code. Signed-off-by:
Nicolas Pitre <nico@cam.org> Cc: Greg KH <greg@kroah.com> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Olaf Hering authored
Use grep instead of make during interface changes. Signed-off-by:
Olaf Hering <olaf@aepfle.de> Signed-off-by:
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- 20 Oct, 2006 36 commits
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Chandra Seetharaman authored
check_perm() does not drop the reference to the module when kzalloc() failure occurs. Signed-Off-By:
Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by:
Joel Becker <joel.becker@oracle.com> Signed-off-by:
Mark Fasheh <mark.fasheh@oracle.com>
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Mark Fasheh authored
The loop within ocfs2_zero_extend() can execute for a long time, causing spurious soft lockup warnings. Signed-off-by: -
Mark Fasheh authored
The page zeroing code was missing the region between old i_size and new i_size for those extends that didn't actually require a change in space allocation. Signed-off-by: -
Sunil Mushran authored
This was causing some folks to incorrectly get -EBUSY during rename. Signed-off-by:
Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by:
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Akinobu Mita authored
This patch deletes redundant memcmp() while looking up in rb tree. Signed-off-by:
Akinbou Mita <akinobu.mita@gmail.com> Signed-off-by:
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git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds authored
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] Fix iounmap argument to const volatile. [MIPS] Reserve syscall numbers for kexec_load. [MIPS] Update tb0287_defconfig [MIPS] Update pnx8550-v2pci_defconfig [MIPS] Update pnx8500-jbs_defconfig [MIPS] More vr41xx pt_regs fixups [MIPS] save_context_stack fix [MIPS] Use compat_sys_mount. [MIPS] Fix O32 personality(2) call with 0xffffffff argument. [MIPS] A few more pt_regs fixups. [MIPS] Malta: Fix uninitialized regs pointer. [MIPS] Delete unneeded pt_regs forward declaration. [MIPS] Use kallsyms_lookup_size_offset() instead of kallsyms_lookup()
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Linus Torvalds authored
This reverts commit 4596c75c as requested by Olaf Hering. It causes compile errors, and says Olaf: "This change is also wrong, the autoloading works perfect with 2.6.18, no need to add random PCI ids. See commit a0245f7a, platform devices have now a modalias entry in sysfs. The network card is not a PCI device." Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: [CRYPTO] api: Select cryptomgr where needed [CRYPTO] api: fix crypto_alloc_base() return value
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git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixesLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes: [GFS2] gfs2_dir_read_data(): fix uninitialized variable usage [GFS2] fs/gfs2/ops_fstype.c:fill_super_meta(): fix NULL dereference [GFS2] fs/gfs2/dir.c:gfs2_dir_write_data(): don't use an uninitialized variable [GFS2] fs/gfs2/ops_fstype.c:gfs2_get_sb_meta(): remove unused variable [GFS2] fs/gfs2/dir.c:gfs2_dir_write_data(): remove dead code [GFS2] gfs2 endianness bug: be16 assigned to be32 field [GFS2] Fix bmap to map extents properly [DLM] fix iovec length in recvmsg
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Linus Torvalds authored
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC]: Clean up asm-sparc/elf.h pollution in userspace. [SPARC64]: Fix of_ioremap(). [SPARC64]: Compute dma_end argument to sabre_pbm_init() correctly.
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Linus Torvalds authored
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (36 commits) [Bluetooth] Fix HID disconnect NULL pointer dereference [Bluetooth] Add missing entry for Nokia DTL-4 PCMCIA card [Bluetooth] Add support for newer ANYCOM USB dongles [NET]: Can use __get_cpu_var() instead of per_cpu() in loopback driver. [IPV4] inet_peer: Group together avl_left, avl_right, v4daddr to speedup lookups on some CPUS [TCP]: One NET_INC_STATS() could be NET_INC_STATS_BH in tcp_v4_err() [NETFILTER]: Missing check for CAP_NET_ADMIN in iptables compat layer [NETPOLL]: initialize skb for UDP [IPV6]: Fix route.c warnings when multiple tables are disabled. [TG3]: Bump driver version and release date. [TG3]: Add lower bound checks for tx ring size. [TG3]: Fix set ring params tx ring size implementation [NET]: reduce per cpu ram used for loopback stats [IPv6] route: Fix prohibit and blackhole routing decision [DECNET]: Fix input routing bug [TCP]: Bound TSO defer time [IPv4] fib: Remove unused fib_config members [IPV6]: Always copy rt->u.dst.error when copying a rt6_info. [IPV6]: Make IPV6_SUBTREES depend on IPV6_MULTIPLE_TABLES. [IPV6]: Clean up BACKTRACK(). ...
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Adrian Bunk authored
Fix one more compile breakage caused by the post -rc1 IRQ changes. Signed-off-by:
Adrian Bunk <bunk@stusta.de> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by:
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NeilBrown authored
This patch is suitable for just about any 2.6 kernel. It should go in 2.6.19 and 2.6.18.2 and possible even the .17 and .16 stable series. This is a long standing bug that seems to have only recently become apparent, presumably due to increasing use of NFS over TCP - many distros seem to be making it the default. The SK_CONN bit gets set when a listening socket may be ready for an accept, just as SK_DATA is set when data may be available. It is entirely possible for svc_tcp_accept to be called with neither of these set. It doesn't happen often but there is a small race in svc_sock_enqueue as SK_CONN and SK_DATA are tested outside the spin_lock. They could be cleared immediately after the test and before the lock is gained. This normally shouldn't be a problem. The sockets are non-blocking so trying to read() or accept() when ther is nothing to do is not a problem. However: svc_tcp_recvfrom makes the decision "Should I accept() or should I read()" based on whether SK_CONN is set or not. This usually works but is not safe. The decision should be based on whether it is a TCP_LISTEN socket or a TCP_CONNECTED socket. Signed-off-by:
Neil Brown <neilb@suse.de> Cc: Adrian Bunk <bunk@stusta.de> Cc: <stable@kernel.org> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by:
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Alexey Dobriyan authored
Signed-off-by:
Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by:
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OGAWA Hirofumi authored
A disk generated some I/O error, after it, I hitted J_ASSERT(transaction->t_updates > 0) in journal_stop(). It seems to happened on ext3_truncate() path from stack trace. Then, maybe the following case may trigger J_ASSERT(transaction->t_updates > 0). ext3_truncate() -> ext3_free_branches() -> ext3_journal_test_restart() -> ext3_journal_restart() -> journal_restart() transaction->t_updates--; /* another process aborted journal */ -> start_this_handle() returns -EROFS without transaction->t_updates++; -> ext3_journal_stop() -> journal_stop() J_ASSERT(transaction->t_updates > 0) If journal was aborted in middle of journal_restart(), ext3_truncate() may trigger J_ASSERT(). Signed-off-by:OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: <linux-ext4@vger.kernel.org> Signed-off-by:
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Nick Piggin authored
Clarify lockorder comments now that sys_msync dropps mmap_sem before calling do_fsync. Signed-off-by:
Nick Piggin <npiggin@suse.de> Signed-off-by:
Hugh Dickins <hugh@veritas.com> Signed-off-by:
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Doug Warzecha authored
Add a size check in smi_data_write to prevent possible wrapping problems with large pos values when calling smi_data_buf_realloc on 32-bit. Signed-off-by:
Doug Warzecha <Douglas_Warzecha@dell.com> Signed-off-by:
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Dave Jones authored
These returns should be negative, like the others in this function. Signed-off-by:
Dave Jones <davej@redhat.com> Acked-by:
Corey Minyard <minyard@acm.org> Signed-off-by:
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Dmitriy Monakhov authored
--=-=-= from mm/memory.c: 1434 static inline void cow_user_page(struct page *dst, struct page *src, unsigned long va) 1435 { 1436 /* 1437 * If the source page was a PFN mapping, we don't have 1438 * a "struct page" for it. We do a best-effort copy by 1439 * just copying from the original user address. If that 1440 * fails, we just zero-fill it. Live with it. 1441 */ 1442 if (unlikely(!src)) { 1443 void *kaddr = kmap_atomic(dst, KM_USER0); 1444 void __user *uaddr = (void __user *)(va & PAGE_MASK); 1445 1446 /* 1447 * This really shouldn't fail, because the page is there 1448 * in the page tables. But it might just be unreadable, 1449 * in which case we just give up and fill the result with 1450 * zeroes. 1451 */ 1452 if (__copy_from_user_inatomic(kaddr, uaddr, PAGE_SIZE)) 1453 memset(kaddr, 0, PAGE_SIZE); 1454 kunmap_atomic(kaddr, KM_USER0); #### D-cache have to be flushed here. #### It seems it is just forgotten. 1455 return; 1456 1457 } 1458 copy_user_highpage(dst, src, va); #### Ok here. flush_dcache_page() called from this func if arch need it 1459 } Following is the patch fix this issue: Signed-off-by:Dmitriy Monakhov <dmonakhov@openvz.org> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by:
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Satoru Takeuchi authored
Fixing cpu-hotplug documentation as follows: - moving confusing asterisk on additional_cpus descrition - fixing some typos - unifying indentation for source code and command line example Signed-off-by:
Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> Cc: Ashok Raj <ashok.raj@intel.com> Signed-off-by:
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Amol Lad authored
ioremap must be balanced by an iounmap and failing to do so can result in a memory leak. Signed-off-by:
Amol Lad <amol@verismonetworks.com> Acked-by:
Karsten Keil <kkeil@suse.de> Signed-off-by:
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Andrew Morton authored
Qooting Adrian: - net/sunrpc/svc.c uses highest_possible_node_id() - include/linux/nodemask.h says highest_possible_node_id() is out-of-line #if MAX_NUMNODES > 1 - the out-of-line highest_possible_node_id() is in lib/cpumask.c - lib/Makefile: lib-$(CONFIG_SMP) += cpumask.o CONFIG_ARCH_DISCONTIGMEM_ENABLE=y, CONFIG_SMP=n, CONFIG_SUNRPC=y -> highest_possible_node_id() is used in net/sunrpc/svc.c CONFIG_NODES_SHIFT defined and > 0 -> include/linux/numa.h: MAX_NUMNODES > 1 -> compile error The bug is not present on architectures where ARCH_DISCONTIGMEM_ENABLE depends on NUMA (but m32r isn't the only affected architecture). So move the function into page_alloc.c Cc: Adrian Bunk <bunk@stusta.de> Cc: Paul Jackson <pj@sgi.com> Signed-off-by:
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Zachary Amsden authored
Interrupts must be disabled during alternative instruction patching. On systems with high timer IRQ rates, or when running in an emulator, timing differences can result in random kernel panics because of running partially patched instructions. This doesn't yet fix NMIs, which requires extricating the patch code from the late bug checking and is logically separate (and also less likely to cause problems). Signed-off-by:
Zachary Amsden <zach@vmware.com> Signed-off-by:
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Al Viro authored
We are using NFS_REPLAY_ME as a special error value that is never leaked to clients. That works fine; the only problem is mixing host- and network- endian values in the same objects. Network-endian equivalent would work just as fine; switch to it. Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> Acked-by:
Trond Myklebust <trond.myklebust@fys.uio.no> Acked-by:
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Al Viro authored
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Al Viro authored
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Al Viro authored
don't use the same variable to store NFS and host error values Signed-off-by:
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Al Viro authored
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Al Viro authored
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Al Viro authored
don't use the same variable to store NFS and host error values Signed-off-by:
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Al Viro authored
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Al Viro authored
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Al Viro authored
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Al Viro authored
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Al Viro authored
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Al Viro authored
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