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2006-11-03[PATCH] mm: un-needed add-store operation wastes a few bytesnkalmala1-1/+1
Un-needed add-store operation wastes a few bytes. 8 bytes wasted with -O2, on a ppc. Signed-off-by: nkalmala <nkalmala@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-11-03[PATCH] Fix ipc entries removalPavel Emelianov5-1/+16
Fix two issuses related to ipc_ids->entries freeing. 1. When freeing ipc namespace we need to free entries allocated with ipc_init_ids(). 2. When removing old entries in grow_ary() ipc_rcu_putref() may be called on entries set to &ids->nullentry earlier in ipc_init_ids(). This is almost impossible without namespaces, but with them this situation becomes possible. Found during OpenVZ testing after obvious leaks in beancounters. Signed-off-by: Pavel Emelianov <xemul@openvz.org> Cc: Kirill Korotaev <dev@openvz.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-11-03[PATCH] docbook: merge journal-api into filesystems.tmplRandy Dunlap3-334/+301
Move journal-api into filesystems.tmpl as a Chapter. Applies on top of the previous docbook: make a filesystems book patch. Remove trailing whitespace from journal-api chapter. Align some of the tags. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-11-03[PATCH] update some docbook commentsRandy Dunlap2-2/+2
Correct a few comments in kernel-doc Doc and source files. (akpm: note: the patch removes a non-ascii character and might have to be applied by hand..) Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-11-03[PATCH] sys_pselect7 vs compat_sys_pselect7 uaccess error handlingHeiko Carstens1-3/+17
758333458aa719bfc26ec16eafd4ad3a9e96014d fixes the not checked copy_to_user return value of compat_sys_pselect7. I ran into this too because of an old source tree, but my fix would look quite a bit different to Andi's fix. The reason is that the compat function IMHO should behave the very same as the non-compat function if possible. Since sys_pselect7 does not return -EFAULT in this specific case, change the compat code so it behaves like sys_pselect7. Cc: David Woodhouse <dwmw2@infradead.org> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-11-03[PATCH] md: send online/offline uevents when an md array starts/stopsNeilBrown1-0/+2
This allows udev to do something intelligent when an array becomes available. Acked-by: Greg KH <greg@kroah.com> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-11-03[PATCH] tidy "md: check bio address after mapping through partitions"Andrew Morton1-4/+5
Neil's xterms are too wide. Cc: Neil Brown <neilb@cse.unsw.edu.au> Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-11-03[PATCH] eCryptfs: Fix pointer derefMichael Halcrow1-1/+1
I missed a pointer dereference in this kmalloc result check. Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-11-02Merge branch 'upstream-linus' of ↵Linus Torvalds1-0/+1
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: pci_ids.h: Add NVIDIA PCI ID
2006-11-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds4-6/+29
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: [CIFS] report rename failure when target file is locked by Windows [CIFS] Allow null user connections [CIFS] Fix readdir breakage when blocksize set too small
2006-11-02pci_ids.h: Add NVIDIA PCI IDPeer Chen1-0/+1
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-11-02[libata] Add support for AHCI controllers of MCP67.Peer Chen1-0/+8
Signed-off-by: Peer Chen <pchen@nvidia.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-11-02[libata] Add support for PATA controllers of MCP67 to pata_amd.c.Peer Chen1-0/+2
Signed-off-by: Peer Chen <pchen@nvidia.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-11-02Merge branch 'for-linus' of ↵Linus Torvalds11-75/+114
master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband * 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband: RDMA/addr: Use client registration to fix module unload race IB/mthca: Fix MAD extended header format for MAD_IFC firmware command IB/uverbs: Return sq_draining value in query_qp response IB/amso1100: Fix incorrect pr_debug() IB/amso1100: Use dma_alloc_coherent() instead of kmalloc/dma_map_single IB/ehca: Fix eHCA driver compilation for uniprocessor RDMA/cma: rdma_bind_addr() leaks a cma_dev reference count IB/iser: Start connection after enabling iSER
2006-11-02RDMA/addr: Use client registration to fix module unload raceSean Hefty3-4/+52
Require registration with ib_addr module to prevent caller from unloading while a callback is in progress. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-11-02Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds5-13/+16
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] Do not use -msym32 option for modules. [MIPS] Don't use R10000 llsc workaround version for all llsc-full processors. [MIPS] Ocelot G: Fix : "CURRENTLY_UNUSED" is not defined warning. [MIPS] Fix warning about init_initrd() call if !CONFIG_BLK_DEV_INITRD. [MIPS] IP27: Allow SMP ;-) Another changeset messed up by patch. [MIPS] Fix merge screwup by patch(1) Revert "[MIPS] Make SPARSEMEM selectable on QEMU."
2006-11-02[MIPS] Do not use -msym32 option for modules.Atsushi Nemoto1-1/+3
On 64-bit kernel, modules are loaded into XKSEG for now. While XKSEG address is not a sign-extended 32-bit address, we can not use -msym32 option. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-02[MIPS] Don't use R10000 llsc workaround version for all llsc-full processors.Ralf Baechle1-1/+1
Found and original patch by bile@landofbile.com. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-02[MIPS] Ocelot G: Fix : "CURRENTLY_UNUSED" is not defined warning.Ralf Baechle1-4/+4
CC arch/mips/momentum/ocelot_g/gt-irq.o arch/mips/momentum/ocelot_g/gt-irq.c:30:5: warning: "CURRENTLY_UNUSED" is not defined arch/mips/momentum/ocelot_g/gt-irq.c:199:5: warning: "CURRENTLY_UNUSED" is not defined Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-02[MIPS] Fix warning about init_initrd() call if !CONFIG_BLK_DEV_INITRD.Ralf Baechle1-1/+5
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-02[MIPS] IP27: Allow SMP ;-) Another changeset messed up by patch.Ralf Baechle1-0/+1
When lmo commit 4ef893e0515e8bf336dfbd200884f244869fbb43 was merged to kernel.org as e73ea273ef87a04ff59fc368fa33333dca275dde patch happily applied the IP27 segment to IP22. f63f36c18b11e166d0f362ac04dbcd7e6ea23f9e did fix the effects partially - and with a wrong log message. Now fixed for real (tm). Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-02[MIPS] Fix merge screwup by patch(1)Ralf Baechle1-2/+2
Patch happily applied an Ocelot G patch to Ocelot C when merging linux-mips.org changeset 91ee9a801e65d2981dfe327d2519c7fc6ab02e6b into kernel.org as 6ceb6d3ab2d402cea326320a4143db90a66fd216. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-02Revert "[MIPS] Make SPARSEMEM selectable on QEMU."Ralf Baechle1-4/+0
This reverts commit 31473747bd441719f9f6a07385684dce547533e0. Another amazing example of patch(1) messing up - lmo changeset 66e8560d11d02bcadc261498471831a6375ad046 was merged twice to kernel.org and ended up doing this rubbish job. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-02Merge branch 'for-linus' of ↵Linus Torvalds1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6: jfs: Add splice support
2006-11-02Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds5-12/+14
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [NETFILTER]: silence a warning in ebtables [IPV6]: File the fingerprints off ah6->spi/esp6->spi [TCP]: Set default congestion control when no sysctl. [TIPC] net/tipc/port.c: fix NULL dereference
2006-11-02Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds1-10/+8
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: Fix futex_atomic_cmpxchg_inatomic implementation.
2006-11-02[CIFS] report rename failure when target file is locked by WindowsSteve French2-6/+12
Fixes Samba bugzilla bug # 4182 Rename by handle failures (retry after rename by path) were not being returned back. Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-11-01Merge branch 'upstream-linus' of ↵Linus Torvalds3-7/+9
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: Revert "[PATCH] Add 0x7110 piix to ata_piix.c" [libata] sata_nv: Add PCI IDs [PATCH] ahci: fix status register check in ahci_softreset
2006-11-01Revert "[PATCH] Add 0x7110 piix to ata_piix.c"Jeff Garzik1-1/+0
This reverts commit f833229c96c0bf53c05995e4bd58709d9e9edd67: According to reviewers and the lspci data provided in commit message itself, PCI ID 0x7110 should not have been added to ata_piix. Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-11-01[NETFILTER]: silence a warning in ebtablesMeelis Roos1-1/+1
net/bridge/netfilter/ebtables.c: In function 'ebt_dev_check': net/bridge/netfilter/ebtables.c:89: warning: initialization discards qualifiers from pointer target type So make the char* a const char * and the warning is gone. Signed-off-by: Meelis Roos <mroos@linux.ee> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-11-01[SPARC64]: Fix futex_atomic_cmpxchg_inatomic implementation.David S. Miller1-10/+8
I copied the logic from ll/sc arch implementations, but that was wrong and makes no sense at all. Just do a straight compare-exchange instruction, just like x86. Based upon bug reports from Dennis Gilmore and Fabio Massimo. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-11-01[IPV6]: File the fingerprints off ah6->spi/esp6->spiAl Viro1-2/+2
In theory these are opaque 32bit values. However, we end up allocating them sequentially in host-endian and stick unchanged on the wire. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-11-01[TCP]: Set default congestion control when no sysctl.Stephen Hemminger2-7/+8
The setting of the default congestion control was buried in the sysctl code so it would not be done properly if SYSCTL was not enabled. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-11-01[TIPC] net/tipc/port.c: fix NULL dereferenceAdrian Bunk1-2/+3
The correct order is: NULL check before dereference Spotted by the Coverity checker. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-11-01[PATCH] powerpc: Eliminate "exceeds stub group size" linker warningPaul Mackerras1-12/+15
It turns out that the linker warnings on 64-bit powerpc about "section blah exceeds stub group size" were being triggered by conditional branches in head_64.S branching to global symbols, whether in head_64.S or in other files. This eliminates the warnings by making some global symbols in head_64.S no longer global, and by rearranging some branches. Signed-off-by: Paul Mackerras <paulus@samba.org> [ Yee-haa. Maybe I'll notice newly introduced real warnings now - Linus ] Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-11-01Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds15-15/+75
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] Fix warning in mips-boards generic PCI [MIPS] SMTC: Synchronize cp0 counters on bootup. [MIPS] SMTC: Fix crash if # of TC's > # of VPE's after pt_regs irq cleanup. [MIPS] 16K & 64K page size fixes
2006-11-01i386: write IO APIC irq routing entries in correct orderLinus Torvalds1-3/+23
Since the "mask" bit is in the low word, when we write a new entry, we need to write the high word first, before we potentially unmask it. The exception is when we actually want to mask the interrupt, in which case we want to write the low word first to make sure that the high word doesn't change while the interrupt routing is still active. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-11-01[MIPS] Fix warning in mips-boards generic PCIYoichi Yuasa1-1/+1
arch/mips/mips-boards/generic/pci.c: In function `mips_pcibios_init': arch/mips/mips-boards/generic/pci.c:227: warning: comparison of distinct pointer types lacks a cast arch/mips/mips-boards/generic/pci.c:228: warning: comparison of distinct pointer types lacks a cast Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-01[MIPS] SMTC: Synchronize cp0 counters on bootup.Ralf Baechle1-0/+1
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-01[MIPS] SMTC: Fix crash if # of TC's > # of VPE's after pt_regs irq cleanup.Ralf Baechle2-1/+9
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-01[MIPS] 16K & 64K page size fixesRalf Baechle11-13/+64
Derived from Peter Watkins <treestem@gmail.com>'s work. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-01i386: clean up io-apic accessesLinus Torvalds2-28/+41
This is preparation for fixing the ordering of the accesses that got broken by the commit cf4c6a2f27f5db810b69dcb1da7f194489e8ff88 when factoring out the "common" io apic routing entry accesses. Move the accessor function (that were only used by io_apic.c) out of a header file, and use proper memory-mapped accesses rather than making up our own "volatile" pointers. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-11-01Merge branch 'merge' of ↵Linus Torvalds29-402/+381
git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] Make alignment exception always check exception table [POWERPC] Disallow kprobes on emulate_step and branch_taken [POWERPC] Make mmiowb's io_sync preempt safe [POWERPC] Make high hugepage areas preempt safe [POWERPC] Make current preempt-safe [POWERPC] qe_lib: qe_issue_cmd writes wrong value to CECDR [POWERPC] Use 4kB iommu pages even on 64kB-page systems [POWERPC] Fix oprofile support for e500 in arch/powerpc [POWERPC] Fix rmb() for e500-based machines it [POWERPC] Fix various offb issues
2006-11-01[libata] sata_nv: Add PCI IDsPeer Chen1-4/+8
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-11-01[PATCH] ahci: fix status register check in ahci_softresetTejun Heo1-2/+1
ahci_softreset() used to use ahci_tf_read() which reads D2H_REG area to check for the Status register. However, this area is zeroed on initialization and not set by initial signature FIS. Replace it with ahci_check_status(). This bug prevented CLO code from being activated whenever BSY and/or DRQ is set prior to softreset. This fix makes AHCI_FLAG_RESET_NEEDS_CLO flag redundant. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-31Merge branch 'upstream-linus' of ↵Linus Torvalds5-45/+17
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: [PATCH] ata_piix: allow 01b MAP for both ICH6M and ICH7M [PATCH] libata: unexport ata_dev_revalidate() [PATCH] Add 0x7110 piix to ata_piix.c [PATCH] sata_sis: fix flags handling for the secondary port
2006-11-01[POWERPC] Make alignment exception always check exception tableBenjamin Herrenschmidt2-16/+20
The alignment exception used to only check the exception table for -EFAULT, not for other errors. That opens an oops window if we can coerce the kernel into getting an alignment exception for other reasons in what would normally be a user-protected accessor, which can be done via some of the futex ops. This fixes it by always checking the exception tables. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-11-01[POWERPC] Disallow kprobes on emulate_step and branch_takenGui,Jian1-2/+3
On powerpc, probing on emulate_step function will crash 2.6.18.1 when it is triggered. When kprobe is triggered, emulate_step() is on its kernel path and will cause recursive kprobe fault. And branch_taken() is called in emulate_step(). This disallows kprobes on both of them. Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-11-01[POWERPC] Make mmiowb's io_sync preempt safeHugh Dickins1-2/+5
If mmiowb() is always used prior to releasing spinlock as Doc suggests, then it's safe against preemption; but I'm not convinced that's always the case. If preemption occurs between sync and get_paca()->io_sync = 0, I believe there's no problem. But in the unlikely event that gcc does the store relative to another register than r13 (as it did with current), then there's a small danger of setting another cpu's io_sync to 0, after it had just set it to 1. Rewrite ppc64 mmiowb to prevent that. The remaining io_sync assignments in io.h all get_paca()->io_sync = 1, which is harmless even if preempted to the wrong cpu (the context switch itself syncs); and those in spinlock.h are while preemption is disabled. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-11-01[POWERPC] Make high hugepage areas preempt safeHugh Dickins1-3/+0
Checking source for other get_paca()->field preemption dangers found that open_high_hpage_areas does a structure copy into its paca while preemption is enabled: unsafe however gcc accomplishes it. Just remove that copy: it's done safely afterwards by on_each_cpu, as in open_low_hpage_areas. Signed-off-by: Hugh Dickins <hugh@veritas.com> Acked-by: David Gibson <dwg@au1.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
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