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2008-02-15ata: fix sparse warning in sata_promise.cHarvey Harrison
drivers/ata/sata_promise.c:546:15: warning: symbol 'len' shadows an earlier one drivers/ata/sata_promise.c:538:6: originally declared here len is set again immediately after the loop, so this is safe. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-15ata: fix sparse warning in ata_piix.cHarvey Harrison
drivers/ata/ata_piix.c:1655:8: warning: symbol 'rc' shadows an earlier one drivers/ata/ata_piix.c:1616:6: originally declared here Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-15ata: fix sparse warning in libata-core.cHarvey Harrison
rc is used to test the return value and possibly return an error. No need to redeclare inside the loop. drivers/ata/libata-core.c:7089:7: warning: symbol 'rc' shadows an earlier one drivers/ata/libata-core.c:7030:9: originally declared here Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-15ata: make ata_scsiop_inq_89 static in libata-scsi.cHarvey Harrison
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-13Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] gdth: update deprecated pci_find_device [SCSI] gdth: scan for scsi devices [SCSI] sym53c416: fix module parameters [SCSI] lpfc 8.2.5 : Update lpfc driver version to 8.2.5 [SCSI] lpfc 8.2.5 : Fix buffer leaks [SCSI] lpfc 8.2.5 : Miscellaneous discovery Fixes [SCSI] lpfc 8.2.5 : Add MSI-X single message support [SCSI] lpfc 8.2.5 : Miscellaneous Fixes [SCSI] lpfc 8.2.5 : Correct ndlp referencing issues [SCSI] update SG_ALL to avoid causing chaining [SCSI] aic94xx: fix ABORT_TASK define conflict [SCSI] fas216: Use scsi_eh API for REQUEST_SENSE invocation [SCSI] ses: fix memory leaks [SCSI] aacraid: informational sysfs value corrections [SCSI] mpt fusion: Request I/O resources only when required [SCSI] aacraid: ignore adapter reset check polarity [SCSI] aacraid: add optional MSI support [SCSI] mpt fusion: Avoid racing when mptsas and mptcl module are loaded in parallel [SCSI] MegaRAID driver management char device moved to misc [SCSI] advansys: fix overrun_buf aligned bug
2008-02-13Linux Kernel Markers: create modpost fileMathieu Desnoyers
This adds some new magic in the MODPOST phase for CONFIG_MARKERS. Analogous to the Module.symvers file, the build will now write a Module.markers file when CONFIG_MARKERS=y is set. This file lists the name, defining module, and format string of each marker, separated by \t characters. This simple text file can be used by offline build procedures for instrumentation code, analogous to how System.map and Module.symvers can be useful to have for kernels other than the one you are running right now. The strings are made easy to extract by having the __trace_mark macro define the name and format together in a single array called __mstrtab_* in the __markers_strings section. This is straightforward and reliable as long as the marker structs are always defined by this macro. It is an unreasonable amount of hairy work to extract the string pointers from the __markers section structs, which entails handling a relocation type for every machine under the sun. Mathieu : - Ran through checkpatch.pl Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: David Smith <dsmith@redhat.com> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13Linux Kernel Markers: support multiple probesMathieu Desnoyers
RCU style multiple probes support for the Linux Kernel Markers. Common case (one probe) is still fast and does not require dynamic allocation or a supplementary pointer dereference on the fast path. - Move preempt disable from the marker site to the callback. Since we now have an internal callback, move the preempt disable/enable to the callback instead of the marker site. Since the callback change is done asynchronously (passing from a handler that supports arguments to a handler that does not setup the arguments is no arguments are passed), we can safely update it even if it is outside the preempt disable section. - Move probe arm to probe connection. Now, a connected probe is automatically armed. Remove MARK_MAX_FORMAT_LEN, unused. This patch modifies the Linux Kernel Markers API : it removes the probe "arm/disarm" and changes the probe function prototype : it now expects a va_list * instead of a "...". If we want to have more than one probe connected to a marker at a given time (LTTng, or blktrace, ssytemtap) then we need this patch. Without it, connecting a second probe handler to a marker will fail. It allow us, for instance, to do interesting combinations : Do standard tracing with LTTng and, eventually, to compute statistics with SystemTAP, or to have a special trigger on an event that would call a systemtap script which would stop flight recorder tracing. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Christoph Hellwig <hch@infradead.org> Cc: Mike Mason <mmlnx@us.ibm.com> Cc: Dipankar Sarma <dipankar@in.ibm.com> Cc: David Smith <dsmith@redhat.com> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Cc: "Frank Ch. Eigler" <fche@redhat.com> Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13pcmcia: ipwireless depends on NETDEVICESPaul Mundt
ipwireless (added by 099dc4fb62653f6019d78db55fba7a18ef02d65b) is clearly a net device: drivers/built-in.o: In function `ipwireless_ppp_start_xmit': /home/pmundt/devel/git/sh-2.6.25/drivers/char/pcmcia/ipwireless/network.c:165: undefined reference to `skb_under_panic' /home/pmundt/devel/git/sh-2.6.25/drivers/char/pcmcia/ipwireless/network.c:165: undefined reference to `kfree_skb' drivers/built-in.o: In function `ipwireless_network_packet_received': /home/pmundt/devel/git/sh-2.6.25/drivers/char/pcmcia/ipwireless/network.c:377: undefined reference to `__alloc_skb' /home/pmundt/devel/git/sh-2.6.25/drivers/char/pcmcia/ipwireless/network.c:377: undefined reference to `skb_over_panic' drivers/built-in.o: In function `ppp_shutdown_interface': /home/pmundt/devel/git/sh-2.6.25/drivers/net/ppp_generic.c:2517: undefined reference to `unregister_netdev' /home/pmundt/devel/git/sh-2.6.25/drivers/net/ppp_generic.c:2517: undefined reference to `free_netdev' [ ... and many more ... ] select strikes again. ipwireless selects PPP which in turn tries to select SLHC, both of which are technically "protected" by an if NETDEVICES in drivers/net/Kconfig. This leads to .config hilarity, with net suddenly ending up in the SCSI menu: # # SCSI device support # # CONFIG_SCSI_DMA is not set # CONFIG_SCSI_NETLINK is not set CONFIG_PPP=y # CONFIG_PHONE is not set Curiously the SLHC select from PPP doesn't seem to happen, as there's no CONFIG_SLHC=y (only CONFIG_PPP=y gets set) -- Kconfig bug? Caught with a randconfig. Signed-off-by: Paul Mundt <lethal@linux-sh.org> Acked-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13Smack: check for 'struct socket' with NULL skAhmed S. Darwish
There's a small problem with smack and NFS. A similar report was also sent here: http://lkml.org/lkml/2007/10/27/85 I've also added similar checks in inode_{get/set}security(). Cheating from SELinux post_create_socket(), it does the same. [akpm@linux-foundation.org: remove uneeded BUG_ON()] Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com> Acked-by: Casey Schaufler <casey@schuafler-ca.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13udf: fix udf_add_free_spaceMarcin Slusarz
In commit 742ba02a51c8d0bf5446b154531179760c1ed0a2 (udf: create common function for changing free space counter) by accident I reversed safety condition which lead to null pointer dereference in case of media error and wrong counting of free space in normal situation Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Cc: Jan Kara <jack@suse.cz> Acked-by: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13udf: fix directory offset handlingJan Kara
Patch cleaning up UDF directory offset handling missed modifications in dir.c (because I've submitted an old version :(). Fix it. Signed-off-by: Jan Kara <jack@suse.cz> Reported-by: Marcin Slusarz <marcin.slusarz@gmail.com> Tested-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13Documentation: sysctl/kernel.txt: fix documentation referenceMichael Opdenacker
This patch fixes a reference to Documentation/kmod.txt which was apparently renamed to Documentation/debugging-modules.txt Signed-off-by: Michael Opdenacker <michael@free-electrons.com> Cc: "Randy.Dunlap" <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13fs/smbfs/inode.c: fix warning message deprecating smbfsSergio Luis
Fix the warning message regarding smbfs to "smbfs is deprecated and will be removed from the 2.6.27 kernel. Please migrate to cifs" instead of "smbfs is deprecated and will be removedfrom the 2.6.27 kernel. Please migrate to cifs" Signed-off-by: Sergio Luis <sergio@uece.br> Screwed-up-by: Andrew Morton <akpm@linux-foundation.org> Cc: Steven French <sfrench@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13docbook: drop z85230 library from kernel-apiRandy Dunlap
Drop z85230 support library info from kernel-api since it's duplicated in the Z85230 book. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13xfs: convert beX_add to beX_add_cpu (new common API)Marcin Slusarz
remove beX_add functions and replace all uses with beX_add_cpu Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Cc: Mark Fasheh <mark.fasheh@oracle.com> Reviewed-by: Dave Chinner <dgc@sgi.com> Cc: Timothy Shimmin <tes@sgi.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13moduleparam: fix alpha, ia64 and ppc64 compile failuresIvan Kokshaysky
On alpha, ia64 and ppc64 only relocations to local data can go into read-only sections. The vast majority of module parameters use the global generic param_set_*/param_get_* functions, so the 'const' attribute for struct kernel_param is not only useless, but it also causes compile failures due to 'section type conflict' in those rare cases where param_set/get are local functions. This fixes http://bugzilla.kernel.org/show_bug.cgi?id=8964 Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Richard Henderson <rth@twiddle.net> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Anton Blanchard <anton@samba.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Adrian Bunk <bunk@stusta.de> Cc: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13docbook: make a networking book and fix a few errorsRandy Dunlap
Move networking (core and drivers) docbook to its own networking book. Fix a few kernel-doc errors in header and source files. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: "J. Bruce Fields" <bfields@fieldses.org> Cc: Neil Brown <neilb@suse.de> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13docbook: sunrpc filenames and notation fixesRandy Dunlap
Use updated file list for docbook files and fix kernel-doc warnings in sunrpc: Warning(linux-2.6.24-git12//net/sunrpc/rpc_pipe.c:689): No description found for parameter 'rpc_client' Warning(linux-2.6.24-git12//net/sunrpc/rpc_pipe.c:765): No description found for parameter 'flags' Warning(linux-2.6.24-git12//net/sunrpc/clnt.c:584): No description found for parameter 'tk_ops' Warning(linux-2.6.24-git12//net/sunrpc/clnt.c:618): No description found for parameter 'bufsize' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: "J. Bruce Fields" <bfields@fieldses.org> Cc: Neil Brown <neilb@suse.de> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13docbook: move pipe and splice to filesystems docbookRandy Dunlap
Move pipes and splice docbook to filesystems book. kernel-api book is huge (10x most other books) & slow to process. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13kernel-doc: fix fs/pipe.c notationRandy Dunlap
Fix several kernel-doc notation errors in fs/pipe.c. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13parport: section fixupDavid Brownell
Fix section warning for parport_ECP_supported(); it's called from a routine exported to modules, so it can't be removed with __devinit section pruning. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13Documentation: prune redundant SubmitChecklist itemsJ. Bruce Fields
Kernel style is mentioned twice, and the git apply trick is a bit redundant given the checkpatch.pl recommendation (which also checks for bad whitespace). Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Cc: "Randy.Dunlap" <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13hugetlb: fix overcommit lockingNishanth Aravamudan
proc_doulongvec_minmax() calls copy_to_user()/copy_from_user(), so we can't hold hugetlb_lock over the call. Use a dummy variable to store the sysctl result, like in hugetlb_sysctl_handler(), then grab the lock to update nr_overcommit_huge_pages. Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Reported-by: Miles Lane <miles.lane@gmail.com> Cc: Adam Litke <agl@us.ibm.com> Cc: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13SC26XX: missing PORT define in serial_core.hThomas Bogendoerfer
When submitting the driver for inclusion to 2.6.25 I've missed the change to serial_core.h. This patch fixes this. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13Final removal of FASTCALL()/fastcallHarvey Harrison
All users are gone, remove definitions and comments referring to them. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13remove final fastcall usersHarvey Harrison
fastcall always expands to empty, remove it. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13rcupdate: fix commentPaul E. McKenney
This comment caused some consternation during fastcall removal. Make it truthful. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13include/linux: Remove all users of FASTCALL() macroHarvey Harrison
FASTCALL() is always expanded to empty, remove it. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13xtime_lock vs update_process_timesPeter Zijlstra
Commit d3d74453c34f8fd87674a8cf5b8a327c68f22e99 ("hrtimer: fixup the HRTIMER_CB_IRQSAFE_NO_SOFTIRQ fallback") broke several archs, and since only Russell bothered to merge the fix, and Greg to ACK his arch, I'm sending this for merger. I have confirmation that the Alpha bit results in a booting kernel. That leaves: blackfin, frv, sh and sparc untested. The deadlock in question was found by Russell: IRQ handle -> timer_tick() - xtime seqlock held for write -> update_process_times() -> run_local_timers() -> hrtimer_run_queues() -> hrtimer_get_softirq_time() - tries to get a read lock Now, Thomas assures me the fix is trivial, only do_timer() needs to be done under the xtime_lock, and update_process_times() can savely be removed from under it. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Greg Ungerer <gerg@uclinux.org> CC: Richard Henderson <rth@twiddle.net> CC: Bryan Wu <bryan.wu@analog.com> CC: David Howells <dhowells@redhat.com> CC: Paul Mundt <lethal@linux-sh.org> CC: William Irwin <wli@holomorphy.com> Acked-by: Ingo Molnar <mingo@elte.hu> Acked-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13acpi: fix acpi_os_read_pci_configuration() misuse of raw_pci_read()Linus Torvalds
The raw_pci_read() interface (as the raw_pci_ops->read() before it) unconditionally fills in a 32-bit integer return value regardless of the size of the operation requested. So claiming to take a "void *" is wrong, as is passing in a pointer to just a byte variable. Noticed by pageexec when enabling -fstack-protector (which needs other patches too to actually work, but that's a separate issue). Acked-by: Len Brown <len.brown@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13FRV: Fix up parse error in linker scriptDavid Howells
Fix up parse error in FRV linker script, presumably introduced through changes to the INIT_TEXT and EXIT_TEXT macros. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-schedLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: sched: rt-group: refure unrunnable tasks sched: rt-group: clean up the ifdeffery sched: rt-group: make rt groups scheduling configurable sched: rt-group: interface sched: rt-group: deal with PI sched: fix incorrect irq lock usage in normalize_rt_tasks() sched: fair-group: separate tg->shares from task_group_lock hrtimer: more hrtimer_init_sleeper() fallout.
2008-02-13Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: x86: pit_clockevent can be static x86: EFI runtime code mapping enhancement x86: EFI: fix use of unitialized variable and the cache logic x86: CPA: fix gbpages support in try_preserve_large_page xen: unpin initial Xen pagetable once we're finished with it x86/early_ioremap: don't assume we're using swapper_pg_dir x86: fixup machine_ops reboot_{32|64}.c unification fallout x86: fix sigcontext.h user export
2008-02-13drivers/memstick/host/tifm_ms.c breakageAl Viro
writel(sock + ...) that should've been writel(sock->addr + ...) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13dm-raid1 breakage on 64bitAl Viro
test_and_set_bit() on address of uint32_t is a Bad Idea(tm)... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13wmi: (!x & y) strikes againAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Carlos Corbacho <carlos@strangeworlds.co.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13[SCSI] gdth: update deprecated pci_find_deviceSergio Luis
Fix compilation warning in gdth.c, which was using the deprecated pci_find_device. drivers/scsi/gdth.c:645: warning: 'pci_find_device' is deprecated (declared at include/linux/pci.h:495) Changing it to use pci_get_device, instead. Signed-off-by: Sergio Luis <sergio@larces.uece.br> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-02-13[SCSI] gdth: scan for scsi devicesBoaz Harrosh
The patch: "gdth: switch to modern scsi host registration" missed one simple fact when moving a way from scsi_module.c. That is to call scsi_scan_host() on the probed host. With this the gdth driver from 2.6.24 is again able to see drives and boot. Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Tested-by: Joerg Dorchain <joerg@dorchain.net> Tested-by: Stefan Priebe <s.priebe@allied-internet.ag> Tested-by: Jon Chelton <jchelton@ffpglobal.com> Cc: Stable Tree <stable@kernel.org> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-02-13x86: pit_clockevent can be staticHarvey Harrison
arch/x86/kernel/i8253.c:98:27: warning: symbol 'pit_clockevent' was not declared. Should it be static? Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-13x86: EFI runtime code mapping enhancementHuang, Ying
This patch enhances EFI runtime code memory mapping as following: - Move __supported_pte_mask & _PAGE_NX checking before invoking runtime_code_page_mkexec(). This makes it possible for compiler to eliminate runtime_code_page_mkexec() on machine without NX support. - Use set_memory_x/nx in early_mapping_set_exec(). This eliminates the duplicated implementation. This patch has been tested on Intel x86_64 platform with EFI64/32 firmware. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-13x86: EFI: fix use of unitialized variable and the cache logicThomas Gleixner
Andi Kleen pointed out that the cache attribute logic is reverse in efi_enter_virtual_mode(). This problem alone is harmless as we do not (yet) do cache attribute conflict resolution. (This bug was not present in the original EFI submission - I introduced it while fixing up rejects.) While reviewing this code I noticed a second, worse problem: the use of uninitialized md->virt_addr. Fix both problems. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-13x86: CPA: fix gbpages support in try_preserve_large_pageAndi Kleen
[ mingo@elte.hu: while gbpages cannot be enabled on mainline currently, keep the code uptodate and this fix is easy enough. ] Use correct page sizes and masks for GB pages in try_preserve_large_page() This prevents a boot hang on a GB capable system with CONFIG_DIRECT_GBPAGES enabled. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-13xen: unpin initial Xen pagetable once we're finished with itJeremy Fitzhardinge
Unpin the Xen-provided pagetable once we've finished with it, so it doesn't cause stray references which cause later swapper_pg_dir pagetable updates to fail. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Tested-by: Jody Belka <knew-linux@pimb.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-13x86/early_ioremap: don't assume we're using swapper_pg_dirJeremy Fitzhardinge
At the early stages of boot, before the kernel pagetable has been fully initialized, a Xen kernel will still be running off the Xen-provided pagetables rather than swapper_pg_dir[]. Therefore, readback cr3 to determine the base of the pagetable rather than assuming swapper_pg_dir[]. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Tested-by: Jody Belka <knew-linux@pimb.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-13x86: fixup machine_ops reboot_{32|64}.c unification falloutJody Belka
When reboot_32.c and reboot_64.c were unified (commit 4d022e35fd...), the machine_ops code was broken, leading to xen pvops kernels failing to properly halt/poweroff/reboot etc. This fixes that up. Signed-off-by: Jody Belka <knew-linux@pimb.org> Cc: Miguel Boton <mboton@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-13x86: fix sigcontext.h user exportIngo Molnar
Jakub Jelinek reported that some user-space code that relies on kernel headers has built dependency on the sigcontext->eip/rip register names - which have been unified in commit: commit 742fa54a62be6a263df14a553bf832724471dfbe Author: H. Peter Anvin <hpa@zytor.com> Date: Wed Jan 30 13:30:56 2008 +0100 x86: use generic register names in struct sigcontext so give the old layout to user-space. This is not particularly pretty, but it's an ABI so there's no danger of the two definitions getting out of sync. Reported-by: Jakub Jelinek <jakub@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-13sched: rt-group: refure unrunnable tasksPeter Zijlstra
Refuse to accept or create RT tasks in groups that can't run them. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-13sched: rt-group: clean up the ifdefferyPeter Zijlstra
Clean up some of the excessive ifdeffery introduces in the last patch. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-13sched: rt-group: make rt groups scheduling configurablePeter Zijlstra
Make the rt group scheduler compile time configurable. Keep it experimental for now. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-13sched: rt-group: interfacePeter Zijlstra
Change the rt_ratio interface to rt_runtime_us, to match rt_period_us. This avoids picking a granularity for the ratio. Extend the /sys/kernel/uids/<uid>/ interface to allow setting the group's rt_runtime. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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