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2006-10-14ACPI: Processor native C-states using MWAITVenkatesh Pallipadi
Intel processors starting with the Core Duo support support processor native C-state using the MWAIT instruction. Refer: Intel Architecture Software Developer's Manual http://www.intel.com/design/Pentium4/manuals/253668.htm Platform firmware exports the support for Native C-state to OS using ACPI _PDC and _CST methods. Refer: Intel Processor Vendor-Specific ACPI: Interface Specification http://www.intel.com/technology/iapc/acpi/downloads/302223.htm With Processor Native C-state, we use 'MWAIT' instruction on the processor to enter different C-states (C1, C2, C3). We won't use the special IO ports to enter C-state and no SMM mode etc required to enter C-state. Overall this will mean better C-state support. One major advantage of using MWAIT for all C-states is, with this and "treat interrupt as break event" feature of MWAIT, we can now get accurate timing for the time spent in C1, C2, .. states. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <len.brown@intel.com>
2006-10-13Linux 2.6.19-rc2Linus Torvalds
That was slightly more painful than really necessary..
2006-10-13Include proper header file for PFN_DOWN()Linus Torvalds
The recent commit (99a10a60ba9bedcf5d70ef81414d3e03816afa3f) to fix up mmap_kmem() broke compiles because it used PFN_DOWN() without including <linux/pfn.h>. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-13[PATCH] Fix headers_check for O= builds; disable automatic check on UML.David Woodhouse
* make header_check work with O= Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-13[PATCH] m68knommu: sync syscalls with m68kGeert Uytterhoeven
m68knommu: sync syscalls with m68k Signed-Off-By: Geert Uytterhoeven <geert@linux-m68k.org> Signed-Off-By: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-13[PATCH] thermal throttle: sysfs error checkingStephen Hemminger
Get rid of warning in the thermal throttling code about not checking sysfs return values. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-13[PATCH] uml shouldn't do HEADERS_CHECKAl Viro
The lack of asm-um/Kbuild is deliberate. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-13[PATCH] Fix up mmap_kmemFranck Bui-Huu
vma->vm_pgoff is an pfn _offset_ relatif to the begining of the memory start. The previous code was doing at first: vma->vm_pgoff << PAGE_SHIFT which results into a wrong physical address since some platforms have a physical mem start that can be different from 0. After that the previous call __pa() on this wrong physical address, however __pa() is used to convert a _virtual_ address into a physical one. This patch rewrites this convertion. It calculates the pfn of PAGE_OFFSET which is the pfn of the mem start then it adds the vma->vm_pgoff to it. It also uses virt_to_phys() instead of __pa() since the latter shouldn't be used by drivers. Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-13Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixesLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes: [GFS2] Update git tree name/location [DLM] fix iovec length in recvmsg [GFS2] Pass the correct value to kunmap_atomic [GFS2] Fix bug where lock not held [DLM] Kconfig: don't show an empty DLM menu [GFS2] Fix uninitialised variable [GFS2] Fix a size calculation error
2006-10-13Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/voyager-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/jejb/voyager-2.6: [VOYAGER] fix up ptregs removal mess [VOYAGER] fix up attribute packed specifiers in voyager.h [VOYAGER] fix genirq mess
2006-10-13[PATCH] Get core dump code to work...Petr Vandrovec
The file based core dump code was broken by pipe changes - a relative llseek returns the absolute file position on success, not the relative one, so dump_seek() always failed when invoked with non-zero current position. Only success/failure can be tested with relative lseek, we have to trust kernel that on success we've got right file offset. With this fix in place I have finally real core files instead of 1KB fragments... Signed-off-by: Petr Vandrovec <petr@vandrovec.name> [ Cleaned it up a bit while here - use SEEK_CUR instead of hardcoding 1 ] Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-13Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: (27 commits) [CIFS] Missing flags2 for DFS [CIFS] Workaround incomplete byte length returned by some [CIFS] cifs Kconfig: don't select CONNECTOR [CIFS] Level 1 QPathInfo needed for proper OS2 support [CIFS] fix typo in previous patch [CIFS] Fix old DOS time conversion to handle timezone [CIFS] Do not need to adjust for Jan/Feb for leap day [CIFS] Fix leaps year calculation for years after 2100 [CIFS] readdir (ffirst) enablement of accurate timestamps from legacy servers [CIFS] Fix compiler warning with previous patch [CIFS] Fix typo [CIFS] Allow for 15 minute TZs (e.g. Nepal) and be more explicit about [CIFS] Fix readdir of large directories for backlevel servers [CIFS] Allow LANMAN21 support even in both POSIX non-POSIX path [CIFS] Make use of newer QFSInfo dependent on capability bit instead of [CIFS] Do not send newer QFSInfo to legacy servers which can not support it [CIFS] Fix typo in name of new cifs_show_stats [CIFS] Rename server time zone field [CIFS] Handle legacy servers which return undefined time zone [CIFS] CIFS support for /proc/<pid>/mountstats part 1 ... Manual conflict resolution in fs/cifs/connect.c
2006-10-12[VOYAGER] fix up ptregs removal messJames Bottomley
Apparently whoever converted voyager never actually checked that the patch would compile ... Remove as much of the pt_regs references as possible and move the remaining ones into line with what's in x86 generic. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-10-12[VOYAGER] fix up attribute packed specifiers in voyager.hJames Bottomley
The old style (attribute on each structure entry) never really worked. Move it to an attribute per structure Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-10-12[VOYAGER] fix genirq messJames Bottomley
The implementation of genirq in x86 completely broke voyager (and presumably visws). Since it's plugged into so much of the x86 infrastructure, you can't expect it to work unconverted. This patch introduces a voyager IRQ handler type and switches voyager to the genirq infrastructure. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-10-12[CIFS] Missing flags2 for DFSSteve French
Partly suggested by Igor Mammedov Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-10-12[GFS2] Update git tree name/locationSteven Whitehouse
The plan is to have two trees. One for bug fixes to be sent on a regular basis (-fixes) and another called -nmw which will contain items queued for the next merge window (hence the name). The -nmw tree will come & go according to need. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-10-12[DLM] fix iovec length in recvmsgPatrick Caulfield
The DLM always passes the iovec length as 1, this is wrong when the circular buffer wraps round. Signed-Off-By: Patrick Caulfield <pcaulfie@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-10-12[GFS2] Pass the correct value to kunmap_atomicRussell Cattelan
Pass kaddr rather than (incorrect) struct page to kunmap_atomic. Signed-off-by: Russell Cattelan <cattelan@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-10-12[GFS2] Fix bug where lock not heldSteven Whitehouse
The log lock needs to be held when manipulating the counter for the number of free journal blocks. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-10-12[DLM] Kconfig: don't show an empty DLM menuAdrian Bunk
Don't show an empty "Distributed Lock Manager" menu if IP_SCTP=n. Reported by Dmytro Bagrii in kernel Bugzilla #7268. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Patrick Caulfield <pcaulfie@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-10-12[GFS2] Fix uninitialised variableSteven Whitehouse
This fixes a bug where, in certain cases an uninitialised variable could cause a dereference of a NULL pointer in gfs2_commit_write(). Also a typo in a comment is fixed at the same time. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-10-12[GFS2] Fix a size calculation errorRussell Cattelan
Fix a size calculation error. The size was incorrect being computed as a negative length and then being passed to an unsigned parameter. This in turn would cause the allocator to think it needed enough meta data to store a gigabyte file for every file created. Signed-off-by: Russell Cattelan <cattelan@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-10-12[PATCH] more kernel_execve() fallout (sbus)Al Viro
drivers/sbus/char stuff using kernel_execve() needs linux/syscalls.h now; includes trimmed, while we are at it. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-12[PATCH] Fix build breakage with CONFIG_X86_VSMPRavikiran Thirumalai
Kernel build breaks with CONFIG_X86_VSMP. Probably due to some header file cleanups in 2.6.19-rc1. Signed-off-by: Ravikiran Thirumalai <kiran@scalex86.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-12[PATCH] fixing includes in alpha_ksyms.cAl Viro
kernel_execve() fallout Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-12[CIFS] Workaround incomplete byte length returned by someSteve French
servers on small SMB responses Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-10-12Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6: sh: SH-4A UBC support sh: interrupt exception handling rework sh: Default enable R7780RP IRQs. sh: Zero-out coherent buffer in consistent_alloc(). sh: Convert IPR-IRQ to IRQ chip. sh: Convert INTC2 IRQ handler to irq_chip. sh: Fix pr_debug statements for sh4 sh: Convert r7780rp IRQ handler to IRQ chip. sh: Updates for IRQ handler changes. sh: Kill off timer_ops get_frequency(). sh: First step at generic timeofday support.
2006-10-12[PATCH] ide-cd: one more missing REQ_TYPE_CMD_ATA checkJens Axboe
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2006-10-12[CIFS] cifs Kconfig: don't select CONNECTORAndrew Morton
`select' is a bit obnoxious: the option keeps on coming back and it's hard to work out what to do to make it go away again. The use of `depends on' is preferred (although it has usability problems too..) Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-10-12Merge branch 'for-linus' of git://brick.kernel.dk/data/git/linux-2.6-blockLinus Torvalds
* 'for-linus' of git://brick.kernel.dk/data/git/linux-2.6-block: [PATCH] block layer: ioprio_best function fix [PATCH] ide-cd: fix breakage with internally queued commands [PATCH] block layer: elv_iosched_show should get elv_list_lock [PATCH] splice: fix pipe_to_file() ->prepare_write() error path [PATCH] block layer: elevator_find function cleanup [PATCH] elevator: elevator_type member not used
2006-10-12Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [PKT_SCHED] sch_htb: use rb_first() cleanup [RTNETLINK]: Fix use of wrong skb in do_getlink() [DECNET]: Fix sfuzz hanging on 2.6.18 [NET]: Do not memcmp() over pad bytes of struct flowi. [NET]: Introduce protocol-specific destructor for time-wait sockets. [NET]: Use typesafe inet_twsk() inline function instead of cast. [NET]: Use hton{l,s}() for non-initializers. [TCP]: Use TCPOLEN_TSTAMP_ALIGNED macro instead of magic number. [IPV6]: Seperate sit driver to extra module (addrconf.c changes) [IPV6]: Seperate sit driver to extra module [NET]: File descriptor loss while receiving SCM_RIGHTS [SCTP]: Fix the RX queue size shown in /proc/net/sctp/assocs output. [SCTP]: Fix receive buffer accounting. SELinux: Bug fix in polidydb_destroy IPsec: fix handling of errors for socket policies IPsec: correct semantics for SELinux policy matching IPsec: propagate security module errors up from flow_cache_lookup NetLabel: use SECINITSID_UNLABELED for a base SID NetLabel: fix a cache race condition
2006-10-12Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC32]: Fix sparc32 modpost warnings. [SPARC32]: Fix sparc32 modpost warnings with sunzilog [SPARC32]: Mark srmmu_nocache_init as __init. [SPARC32]: pcic.c needs asm/irq_regs.h
2006-10-12[PATCH] x86_64 irq: Properly update vector_irqEric W. Biederman
This patch fixes my one line thinko where I was clearing the vector_irq entries on the wrong cpus. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-12[PATCH] block layer: ioprio_best function fixVasily Tarasov
Currently ioprio_best function first checks wethere aioprio or bioprio equals IOPRIO_CLASS_NONE (ioprio_valid() macros does that) and if it is so it returns bioprio/aioprio appropriately. Thus the next four lines, that set aclass/bclass to IOPRIO_CLASS_BE, if aclass/bclass == IOPRIO_CLASS_NONE, are never executed. The second problem: if aioprio from class IOPRIO_CLASS_NONE and bioprio from class IOPRIO_CLASS_IDLE are passed to ioprio_best function, it will return IOPRIO_CLASS_IDLE. It means that during __make_request we can merge two requests and set the priority of merged request to IDLE, while one of the initial requests originates from a process with NONE (default) priority. So we can get a situation when a process with default ioprio will experience IO starvation, while there is no process from real-time class in the system. Just removing ioprio_valid check should correct situation. Signed-off-by: Vasily Tarasov <vtaras@openvz.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2006-10-12[PATCH] ide-cd: fix breakage with internally queued commandsJens Axboe
We still need to maintain a private PC style command, since it isn't completely unified with REQ_TYPE_BLOCK_PC yet. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2006-10-12[PATCH] block layer: elv_iosched_show should get elv_list_lockVasily Tarasov
elv_iosched_show function iterates other elv_list, hence elv_list_lock should be got. Signed-off-by: Vasily Tarasov <vtaras@openvz.org> Signed-off-by: Vasily Tarasov <jens.axboe@oracle.com>
2006-10-12[PATCH] splice: fix pipe_to_file() ->prepare_write() error pathJens Axboe
Don't jump to the unlock+release path, we already did that. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2006-10-12[PATCH] block layer: elevator_find function cleanupVasily Tarasov
We can easily produce search through the elevator list without introducing additional elevator_type variable. Signed-off-by: Vasily Tarasov <vtaras@openvz.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2006-10-12[PATCH] elevator: elevator_type member not usedJens Axboe
elevator_type field in elevator_type structure is useless: it isn't used anywhere in kernel sources. Signed-off-by: Vasily Tarasov <vtaras@openvz.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2006-10-12[PKT_SCHED] sch_htb: use rb_first() cleanupAkinbou Mita
Use rb_first() to get first entry in rb tree. Signed-off-by: Akinbou Mita <akinobu.mita@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-12[RTNETLINK]: Fix use of wrong skb in do_getlink()Patrick McHardy
skb is the netlink query, nskb is the reply message. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-12[DECNET]: Fix sfuzz hanging on 2.6.18Patrick McHardy
Dave Jones wrote: > sfuzz D 724EF62A 2828 28717 28691 (NOTLB) > cd69fe98 00000082 0000012d 724ef62a 0001971a 00000010 00000007 df6d22b0 > dfd81080 725bbc5e 0001971a 000cc634 00000001 df6d23bc c140e260 00000202 > de1d5ba0 cd69fea0 de1d5ba0 00000000 00000000 de1d5b60 de1d5b8c de1d5ba0 > Call Trace: > [<c05b1708>] lock_sock+0x75/0xa6 > [<e0b0b604>] dn_getname+0x18/0x5f [decnet] > [<c05b083b>] sys_getsockname+0x5c/0xb0 > [<c05b0b46>] sys_socketcall+0xef/0x261 > [<c0403f97>] syscall_call+0x7/0xb > DWARF2 unwinder stuck at syscall_call+0x7/0xb > > I wonder if the plethora of lockdep related changes inadvertantly broke something? Looks like unbalanced locking. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-12[NET]: Do not memcmp() over pad bytes of struct flowi.David S. Miller
They are not necessarily initialized to zero by the compiler, for example when using run-time initializers of automatic on-stack variables. Noticed by Eric Dumazet and Patrick McHardy. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-12[NET]: Introduce protocol-specific destructor for time-wait sockets.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-11[NET]: Use typesafe inet_twsk() inline function instead of cast.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-11[NET]: Use hton{l,s}() for non-initializers.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-11[TCP]: Use TCPOLEN_TSTAMP_ALIGNED macro instead of magic number.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-11[IPV6]: Seperate sit driver to extra module (addrconf.c changes)Joerg Roedel
This patch contains the changes to net/ipv6/addrconf.c to remove sit specific code if the sit driver is not selected. Signed-off-by: Joerg Roedel <joro-lkml@zlug.org> Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-11[IPV6]: Seperate sit driver to extra moduleJoerg Roedel
This patch removes the driver of the IPv6-in-IPv4 tunnel driver (sit) from the IPv6 module. It adds an option to Kconfig which makes it possible to compile it as a seperate module. Signed-off-by: Joerg Roedel <joro-lkml@zlug.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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