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for some reason.
Plan9 kernel binaries don't neatly align their ELF sections to our
page boundaries.
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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lguest uses a "switcher" shim mapped high to bounce between host and
guest. As lguest becomes less i386-centric, we separate this code
into a subdir.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Lguest has two sides: host support (to launch guests) and guest
support (replacement boot path and paravirt_ops). This moves the
guest side to arch/x86/lguest where it's closer to related code.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Andi Kleen <ak@suse.de>
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Move architecture specific portion of lg_hcall code to asm-i386/lg_hcall.h
and have it included from linux/lguest.h.
[Changed to asm-i386/lguest_hcall.h so documentation finds it -RR]
Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Jes Sorensen <jes@sgi.com>
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Currently lguest will spend a lot of of time waking up the host, as it
cannot go tickless (if the [host] TSC has been marked unstable). On my
laptop I was getting ~40% of wakeups from lguest.
With this patch applied, my laptop is much happier!
Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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lguest_launcher.h uses "u32" not "__u32", which sets a bad example. Fix that,
and include <linux/types.h>.
This means we need to use -I on the Launcher build line so types.h is found.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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o Describe the new split configurations
o Highlight code documentation in drivers/lguest/README
o Point out necessity of having a getty on /dev/hvc0
o Remove gratuitous "m" in example
o Don't discuss I/O model here, stick to user documentation.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Use copy_to_user() when copying a struct timespec to the guest -
put_user() cannot handle two long's in one go on a 64bit arch.
Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Jes Sorensen <jes@sgi.com>
Cc: Al Viro <viro@ftp.linux.org.uk>
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These two callsites should really be errx instead of err, since there is
no errno associated with them in the moment they are issued.
Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Glauber de Oliveira Costa <gcosta@redhat.com>
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It wasn't needed since a very early prototype of lguest.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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To actually write a bootloader (or, say, the lguest launcher)
currently requires duplication of these structures. Making them
includable from userspace is much nicer.
We merge the common userspace-required definitions of e820_32/64.h
into e820.h for export.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Move lguest under the virtualization menu.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Avi Kivity <avi@qumranet.com>
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1) Group all the "guest OS" support options together, under a PARAVIRT_GUEST
menu.
2) Make those options select CONFIG_PARAVIRT, as suggested by Andi.
3) Make kconfig help titles consistent.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Andi Kleen <ak@suse.de>
Cc: Zach Amsden <zach@vmware.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Chris Wright <chrisw@sous-sol.org>
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Fix mnt_flush_task() misplaced kernel-doc.
Fix typos in some of the doc text.
Warning(linux-2.6.23-git17//fs/proc/base.c:2280): No description found for parameter 'mnt'
Warning(linux-2.6.23-git17//fs/proc/base.c:2280): No description found for parameter 'pid'
Warning(linux-2.6.23-git17//fs/proc/base.c:2280): No description found for parameter 'tgid'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix kernel-doc for auditsc parameter changes.
Warning(linux-2.6.23-git17//kernel/auditsc.c:1623): No description found for parameter 'dentry'
Warning(linux-2.6.23-git17//kernel/auditsc.c:1666): No description found for parameter 'dentry'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 238e4f142c33bb34440cc64029dde7b9fbc4e65f ("ide: add
IDE_HFLAG_NO_LBA48 and IDE_HFLAG_NO_LBA48_DMA host flags") caused a
regression because the host_flags in struct hwif_s wasn't expanded to
cope with the fact that the host flags no longer fit in 16 bits.
Signed-off-by: David S. Miller <davem@davemloft.net>
[ I hate having to add good commit descriptions. - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: appletouch - apply idle reset logic to all touchpads
Input: usbtouchscreen - add support for GoTop tablet devices
Input: bf54x-keys - return real error when request_irq() fails
Input: i8042 - export i8042_command()
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master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6:
Blackfin arch: use KBUILD_CFLAGS and KBUILD_AFLAGS in Makefile
Blackfin arch: Javier Herrer writes: fix building when icache and dcache is disabled
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git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm:
KVM: Use new smp_call_function_mask() in kvm_flush_remote_tlbs()
sched: don't clear PF_VCPU in scheduler
KVM: Improve local apic timer wraparound handling
KVM: Fix local apic timer divide by zero
KVM: Move kvm_guest_exit() after local_irq_enable()
KVM: x86 emulator: fix access registers for instructions with ModR/M byte and Mod = 3
KVM: VMX: Force vm86 mode if setting flags during real mode
KVM: x86 emulator: implement 'movnti mem, reg'
KVM: VMX: Reset mmu context when entering real mode
KVM: VMX: Handle NMIs before enabling interrupts and preemption
KVM: MMU: Set shadow pte atomically in mmu_pte_write_zap_pte()
KVM: x86 emulator: fix repne/repnz decoding
KVM: x86 emulator: fix merge screwup due to emulator split
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* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
[S390] 4level-fixup cleanup
[S390] Cleanup page table definitions.
[S390] Introduce follow_table in uaccess_pt.c
[S390] Remove unused user_seg from thread structure.
[S390] tlb flush fix.
[S390] kernel: Fix dump on panic for DASDs under LPAR.
[S390] struct class_device -> struct device conversion.
[S390] cio: Fix incomplete commit for uevent suppression.
[S390] cio: Use to_channelpath() for device to channel path conversion.
[S390] Add per-cpu idle time / idle count sysfs attributes.
[S390] Update default configuration.
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master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SPARC64]: ARRAY_SIZE() cleanup
[SPARC64]: small Makefile cleanups
[SPARC64]: Stop using __do_IRQ().
[SPARC64]: Update defconfig.
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (30 commits)
[IPSEC] IPV6: Fix to add tunnel mode SA correctly.
[NET]: Cut off the queue_mapping field from sk_buff
[NET]: Hide the queue_mapping field inside netif_subqueue_stopped
[NET]: Make and use skb_get_queue_mapping
[NET]: Use the skb_set_queue_mapping where appropriate
[INET]: Use MODULE_ALIAS_NET_PF_PROTO_TYPE where possible.
[INET]: Let inet_diag and friends autoload
[NIU]: Cleanup PAGE_SIZE checks a bit
[NET]: Fix SKB_WITH_OVERHEAD calculation
[ATM]: Fix clip module reload crash.
[TG3]: Update version to 3.85
[TG3]: PCI command adjustment
[TG3]: Add management FW version to ethtool report
[TG3]: Add 5723 support
[Bluetooth] Convert RFCOMM to use kthread API
[Bluetooth] Add constant for Bluetooth socket options level
[Bluetooth] Add support for handling simple eSCO links
[Bluetooth] Add address and channel attribute to RFCOMM TTY device
[Bluetooth] Fix wrong argument in debug code of HIDP
[Bluetooth] Add generic driver for Bluetooth USB devices
...
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] Enable restart support for lite5200 board
[POWERPC] Add restart support for mpc52xx based platforms
[POWERPC] Update device tree binding for mpc5200 gpt
[POWERPC] Add mpc52xx_find_and_map_path(), refactor utility functions
[POWERPC] bestcomm: Restrict bus prefetch bugfix to original mpc5200 silicon.
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] time: Make c0_compare_int_usable more bullet proof
[MIPS] Kbuild: Use the new cc-cross-prefix feature.
[MIPS] Fix include wrapper symbol to something sane.
[MIPS] Malta: Delete dead code.
[MIPS] time: Add GT641xx timer0 clockevent driver
[MIPS] time: SMP-proofing of Sibyte clockevent/clocksource code.
[MIPS] time: SMP/NUMA-proofing of IP27 HUB RT timer code.
[MIPS] time: Fix calculation in clockevent_set_clock()
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* git://git.infradead.org/battery-2.6:
apm_power: calculate to_full/to_empty time using energy
apm_power: improve battery finding algorithm
apm_power: fix obviously wrong logic for time reporting
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ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb
* 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (37 commits)
V4L/DVB (6382): saa7134: fix NULL dereference at suspend time for cards without IR receiver
V4L/DVB (6380): ivtvfb: Removal of the 'osd_compat' module option
V4L/DVB (6379): patch which improves GotView Saa7135 remote control
V4L/DVB (6378b): Updates info about the removal of V4L1 at feature-removal-schedule.txt
V4L/DVB (6378a): Removal of VIDIOC_[G|S]_MPEGCOMP from feature-removal-schedule.txt
V4L/DVB (6378): DiB0700-device: Using 1.10 firmware
V4L/DVB (6357): pvrusb2: Improve encoder chip health tracking
V4L/DVB (6356): "while (!ca->wakeup)" breaks the CAM initialisation
V4L/DVB (6352): ir-kbd-i2c: Missing break statement
V4L/DVB (6350): V4L: possible leak in em28xx_init_isoc
V4L/DVB (6348): ivtv: undo video mute when closing the radio
V4L/DVB (6347): ivtv: fix video mute when radio is used
V4L/DVB (6346): ivtvfb: YUV output size fix when ivtvfb is not loaded
V4L/DVB (6345): ivtvfb: YUV handling of an image which is not visible in the display area
V4L/DVB (6343): ivtvfb: check return value of unregister_framebuffer
V4L/DVB (6342): ivtv: fix circular locking (bug 9037)
V4L/DVB (6341): ivtv: fix resizing MPEG1 streams
V4L/DVB (6340): ivtvfb: screen mode change sometimes goes wrong
V4L/DVB (6339): ivtv: set the video color to black instead of green when capturing from the radio
V4L/DVB (6338): ivtv: fix incorrect EBUSY return
...
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Commit 4f9a58d75bfe82ab2b8ba5b8506dfb190a267834 ("increase
AT_VECTOR_SIZE to terminate saved_auxv properly") changes the size of
AT_VECTOR_SIZE from hard coded '44' to a calculation based on the value
of AT_VECTOR_SIZE_ARCH and AT_VECTOR_SIZE_BASE.
The change works for arch/powerpc, but it breaks arch/ppc because the
needed AT_VECTOR_SIZE_ARCH is not present in include/asm-ppc/system.h
and a default value of 0 is used instead. This results in
AT_VECTOR_SIZE being too small and it causes a kernel crash on loading
init.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* ssh://master.kernel.org/pub/scm/linux/kernel/git/sam/kbuild:
kbuild: cc-cross-prefix spelling
kbuild: allow depmod in cross builds again
kbuild: fix modules_install after a 'make vmlinux'
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Gabriel C reported that modprobing appletalk on current git gives a
warning in dmesg :
"sysctl table check failed: /net/appletalk .3.7 procname does not match binary path procname"
Oops. My apologies it appears I made a mistake when creating my table
to check up on sysctl values.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Tested-by: Gabriel C <nix.or.die@googlemail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
firewire: fw-ohci: shut up a superfluous compiler warning
firewire: fw-ohci: log a note about unsupported features
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* 'sg' of git://git.kernel.dk/linux-2.6-block:
Add CONFIG_DEBUG_SG sg validation
Change table chaining layout
Update arch/ to use sg helpers
Update swiotlb to use sg helpers
Update net/ to use sg helpers
Update fs/ to use sg helpers
[SG] Update drivers to use sg helpers
[SG] Update crypto/ to sg helpers
[SG] Update block layer to use sg helpers
[SG] Add helpers for manipulating SG entries
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Signed-off-by: Alejandro Martinez Ruiz <alex@flawedcode.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use write_c0_compare(read_c0_count()) to clear interrupt.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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And why are there i8253.h and 8253pit.h ...
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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And make use of it for Cobalt. A few others such as the Malta could make
use of it as well.
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The BCM148 has 4 cores but there are also just 4 generic timers available
so use the ZBbus cycle counter instead of it. In addition the ZBbus
counter also offers a much higher resolution and 64-bit counting so I'm
considering a later complete conversion to it once I figure out if all
members of the Sibyte SOC family support it - the docs seem to agree but
the headers files seem to disagree ...
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Add a Kconfig entry which will toggle some sanity checks on the sg
entry and tables.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Change the page member of the scatterlist structure to be an unsigned
long, and encode more stuff in the lower bits:
- Bits 0 and 1 zero: this is a normal sg entry. Next sg entry is located
at sg + 1.
- Bit 0 set: this is a chain entry, the next real entry is at ->page_link
with the two low bits masked off.
- Bit 1 set: this is the final entry in the sg entry. sg_next() will return
NULL when passed such an entry.
It's thus important that sg table users use the proper accessors to get
and set the page member.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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