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This patch adds AEAD support into the cryptd framework. Having AEAD
support in cryptd enables crypto drivers that use the AEAD
interface type (such as the patch for AEAD based RFC4106 AES-GCM
implementation using Intel New Instructions) to leverage cryptd for
asynchronous processing.
Signed-off-by: Adrian Hoban <adrian.hoban@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Gabriele Paoloni <gabriele.paoloni@intel.com>
Signed-off-by: Aidan O'Mahony <aidan.o.mahony@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Reported-by: Dennis Gilmore <dennis@ausil.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Below is a patch to update the broken web addresses, in crypto/*
that I could locate. Some are just simple typos that needed to be
fixed, and some had a change in location altogether..
let me know if any of them need to be changed and such.
Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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DMA is set to use burst mode also for source channel. It should
descrease memory bandwidth needs.
DMA synchronization is set to use prefetch mechanism. SHAM block is behind
L4 bus and it doesn't have fifo. SHAM block is stalling as long as the new
data is available. It takes time to fetch data from memory and transfer it
via L4 bus. With prefetch enabled, data is waiting in DMA fifo and SHAM block
receives new data block faster.
This increases SHA processing speed up to 30 percent depending on the
bus / memory load.
Signed-off-by: Samu Onkalo <samu.p.onkalo@nokia.com>
Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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parallel_data->queue is a percpu pointer but was missing __percpu markup.
Add it.
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This reverts commit 8b9cfdca9c52f7d39c3ccfac1668e31c20c9f42e.
This patch needs to wait for the HWRNG API to start using void *
for priv first.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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On Thu, Aug 05, 2010 at 07:01:21PM -0700, Linus Torvalds wrote:
> On Thu, Aug 5, 2010 at 6:40 PM, Herbert Xu <herbert@gondor.hengli.com.au> wrote:
> >
> > -config CRYPTO_MANAGER_TESTS
> > - bool "Run algolithms' self-tests"
> > - default y
> > - depends on CRYPTO_MANAGER2
> > +config CRYPTO_MANAGER_DISABLE_TESTS
> > + bool "Disable run-time self tests"
> > + depends on CRYPTO_MANAGER2 && EMBEDDED
>
> Why do you still want to force-enable those tests? I was going to
> complain about the "default y" anyway, now I'm _really_ complaining,
> because you've now made it impossible to disable those tests. Why?
As requested, this patch sets the default to y and removes the
EMBEDDED dependency.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch fixes a serious bug in the test disabling patch where
it can cause an spurious load of the cryptomgr module even when
it's compiled in.
It also negates the test disabling option so that its absence
causes tests to be enabled.
The Kconfig option is also now behind EMBEDDED.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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If a scatterwalk chain contains an entry with an unaligned offset then
hash_walk_next() will cut off the next step at the next alignment point.
However, if the entry ends before the next alignment point then we a loop,
which leads to a kernel oops.
Fix this by checking whether the next aligment point is before the end of the
current entry.
Signed-off-by: Szilveszter Ördög <slipszi@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (204 commits)
agp: intel-agp: do not use PCI resources before pci_enable_device()
agp: efficeon-agp: do not use PCI resources before pci_enable_device()
drm: kill BKL from common code
drm/kms: Simplify setup of the initial I2C encoder config.
drm,io-mapping: Specify slot to use for atomic mappings
drm/radeon/kms: only expose underscan on avivo chips
drm/radeon: add new pci ids
drm: Cleanup after failing to create master->unique and dev->name
drm/radeon: tone down overchatty acpi debug messages.
drm/radeon/kms: enable underscan option for digital connectors
drm/radeon/kms: fix calculation of h/v scaling factors
drm/radeon/kms/igp: sideport is AMD only
drm/radeon/kms: handle the case of no active displays properly in the bandwidth code
drm: move ttm global code to core drm
drm/i915: Clear the Ironlake dithering flags when the pipe doesn't want it.
drm/radeon/kms: make sure HPD is set to NONE on analog-only connectors
drm/radeon/kms: make sure rio_mem is valid before unmapping it
drm/agp/i915: trim stolen space to 32M
drm/i915: Unset cursor if out-of-bounds upon mode change (v4)
drm/i915: Unreference object not handle on creation
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git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb
* 'kms-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb:
kgdb,docs: Update the kgdb docs to include kms
drm_fb_helper: Preserve capability to use atomic kms
i915: when kgdb is active display compression should be off
drm/i915: use new fb debug hooks
drm: add KGDB/KDB support
fb: add hooks to handle KDB enter/exit
kgdboc: Add call backs to allow kernel mode switching
vt,console,kdb: automatically set kdb LINES variable
vt,console,kdb: implement atomic console enter/leave functions
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git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb:
debug_core,kdb: fix crash when arch does not have single step
kgdb,x86: use macro HBP_NUM to replace magic number 4
kgdb,mips: remove unused kgdb_cpu_doing_single_step operations
mm,kdb,kgdb: Add a debug reference for the kdb kmap usage
KGDB: Remove set but unused newPC
ftrace,kdb: Allow dumping a specific cpu's buffer with ftdump
ftrace,kdb: Extend kdb to be able to dump the ftrace buffer
kgdb,powerpc: Replace hardcoded offset by BREAK_INSTR_SIZE
arm,kgdb: Add ability to trap into debugger on notify_die
gdbstub: do not directly use dbg_reg_def[] in gdb_cmd_reg_set()
gdbstub: Implement gdbserial 'p' and 'P' packets
kgdb,arm: Individual register get/set for arm
kgdb,mips: Individual register get/set for mips
kgdb,x86: Individual register get/set for x86
kgdb,kdb: individual register set and and get API
gdbstub: Optimize kgdb's "thread:" response for the gdb serial protocol
kgdb: remove custom hex_to_bin()implementation
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* 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6: (63 commits)
of/platform: Register of_platform_drivers with an "of:" prefix
of/address: Clean up function declarations
of/spi: call of_register_spi_devices() from spi core code
of: Provide default of_node_to_nid() implementation.
of/device: Make of_device_make_bus_id() usable by other code.
of/irq: Fix endian issues in parsing interrupt specifiers
of: Fix phandle endian issues
of/flattree: fix of_flat_dt_is_compatible() to match the full compatible string
of: remove of_default_bus_ids
of: make of_find_device_by_node generic
microblaze: remove references to of_device and to_of_device
sparc: remove references to of_device and to_of_device
powerpc: remove references to of_device and to_of_device
of/device: Replace of_device with platform_device in includes and core code
of/device: Protect against binding of_platform_drivers to non-OF devices
of: remove asm/of_device.h
of: remove asm/of_platform.h
of/platform: remove all of_bus_type and of_platform_bus_type references
of: Merge of_platform_bus_type with platform_bus_type
drivercore/of: Add OF style matching to platform bus
...
Fix up trivial conflicts in arch/microblaze/kernel/Makefile due to just
some obj-y removals by the devicetree branch, while the microblaze
updates added a new file.
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
apparmor: depends on NET
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
scripts/dtc: Fix a resource leak
Documentation: fix ubuntu distro name
MAINTAINERS: Update kbuild git URLs
Add support for the C variable in the coccicheck script
Add scripts/coccinelle/deref_null.cocci
Add scripts/coccinelle/err_cast.cocci
Add scripts/coccinelle/resource_size.cocci
Add scripts/coccinelle/alloc/kzalloc-simple.cocci
Add scripts/coccinelle/alloc/drop_kmalloc_cast.cocci
Add Documentation/coccinelle.txt
Add a target to use the Coccinelle checker
scripts: decodecode: remove bashisms
Makefile: clarify a comment
checkkconfigsymbols.sh: Kconfig symbols sometimes have lowercase letters
scripts: add nconf into gitignore file
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'packaging' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
kbuild: Change section of generated debian packages to kernel
kbuild: Mark that the packages generated conform to Standards-Version 3.8.4
kbuild: Add homepage field to debian/control file
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: (26 commits)
kconfig: add savedefconfig
kconfig: code refactoring in confdata.c
kconfig: refactor code in symbol.c
kconfig: add alldefconfig
kconfig: print more info when we see a recursive dependency
kconfig: save location of config symbols
kconfig: change nonint_oldconfig to listnewconfig
kconfig: rename loose_nonint_oldconfig => oldnoconfig
kconfig: use long options in conf
kconfig: fix MODULES-related bug in case of no .config
kconfig: make randconfig fair for booleans
kconfig: Don't write invisible choice values
kbuild: Warn on selecting symbols with unmet direct dependencies
scripts:conf.c Fix warning: variable 'type' set but not used
menuconfig: truncate list items
menuconfig: fix to center checklist correctly in a corner case
xconfig: add support to show hidden options which have prompts
xconfig: remove unused function
xconfig: clean up
gconfig: fix null pointer warning
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
modpost: support objects with more than 64k sections
trivial: fix a typo in a filename
frv: clean up arch/frv/Makefile
kbuild: allow assignment to {A,C}FLAGS_KERNEL on the command line
kbuild: allow assignment to {A,C,LD}FLAGS_MODULE on the command line
Kbuild: Add option to set -femit-struct-debug-baseonly
Makefile: "make kernelrelease" should show the correct full kernel version
Makefile.build: make KBUILD_SYMTYPES work again
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
* 'modules' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
module: cleanup comments, remove noinline
module: group post-relocation functions into post_relocation()
module: move module args strndup_user to just before use
module: pass load_info into other functions
module: fix sysfs cleanup for !CONFIG_SYSFS
module: sysfs cleanup
module: layout_and_allocate
module: fix crash in get_ksymbol() when oopsing in module init
module: kallsyms functions take struct load_info
module: refactor out section header rewriting: FIX modversions
module: refactor out section header rewriting
module: add load_info
module: reduce stack usage for each_symbol()
module: refactor load_module part 5
module: refactor load_module part 4
module: refactor load_module part 3
module: refactor load_module part 2
module: refactor load_module
module: module_unload_init() cleanup
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
* 'virtio' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
virtio_blk: Remove VBID ioctl
virtio_blk: Add 'serial' attribute to virtio-blk devices (v2)
virtio_blk: support barriers without FLUSH feature
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git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen
* 'upstream/xen' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen: (23 commits)
xen/panic: use xen_reboot and fix smp_send_stop
Xen: register panic notifier to take crashes of xen guests on panic
xen: support large numbers of CPUs with vcpu info placement
xen: drop xen_sched_clock in favour of using plain wallclock time
pvops: do not notify callers from register_xenstore_notifier
Introduce CONFIG_XEN_PVHVM compile option
blkfront: do not create a PV cdrom device if xen_hvm_guest
support multiple .discard.* sections to avoid section type conflicts
xen/pvhvm: fix build problem when !CONFIG_XEN
xenfs: enable for HVM domains too
x86: Call HVMOP_pagetable_dying on exit_mmap.
x86: Unplug emulated disks and nics.
x86: Use xen_vcpuop_clockevent, xen_clocksource and xen wallclock.
implement O_NONBLOCK for /proc/xen/xenbus
xen: Fix find_unbound_irq in presence of ioapic irqs.
xen: Add suspend/resume support for PV on HVM guests.
xen: Xen PCI platform device driver.
x86/xen: event channels delivery on HVM.
x86: early PV on HVM features initialization.
xen: Add support for HVM hypercalls.
...
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I'm trying to generate a <set> of <book>s in docbook for wireless to
link together all the cfg80211 and mac80211 documentation.
However, docbook will generate "re01.html" anew for each book for the
first <refentry>, presumably due to a bug in the stylesheets.
An effective workaround is to use IDs for the filenames, which makes
them more descriptive as well, e.g. API-enum-ieee80211-band.html.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fixed some typos and wording.
Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Update section 3.7 examples to reflect the current state of the
Makefiles used. Fix spelling and grammar errors along with flow of text.
Signed-off-by: matt mooney <mfm@muteddisk.com>
Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Update section 3.2 and 3.5 example, along with text in section 3.5
to reflect change.
Signed-off-by: matt mooney <mfm@muteddisk.com>
Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Update section 3.3 Loadable module goals - obj-m, from $(<module_name>-objs)
to $(<module_name>-y) for easier addition of conditional objects to the
module. The examples are also updated to reflect the current state of
each Makefile used.
Signed-off-by: matt mooney <mfm@muteddisk.com>
Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Trivial typo fixes.
Signed-off-by: Tommi Rantala <tt.rantala@gmail.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- sys_io_destroy(): acutually return -EINVAL if the context pointed to
is invalidIndex: linux-2.6.33-rc4/fs/aio.c
- sys_io_getevents(): An argument specifying timeout is not `when',
but `timeout'.
- sys_io_getevents(): Should describe what is returned if this syscall
succeeds.
Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (79 commits)
powerpc/8xx: Add support for the MPC8xx based boards from TQC
powerpc/85xx: Introduce support for the Freescale P1022DS reference board
powerpc/85xx: Adding DTS for the STx GP3-SSA MPC8555 board
powerpc/85xx: Change deprecated binding for 85xx-based boards
powerpc/tqm85xx: add a quirk for ti1520 PCMCIA bridge
powerpc/tqm85xx: update PCI interrupt-map attribute
powerpc/mpc8308rdb: support for MPC8308RDB board from Freescale
powerpc/fsl_pci: add quirk for mpc8308 pcie bridge
powerpc/85xx: Cleanup QE initialization for MPC85xxMDS boards
powerpc/85xx: Fix booting for P1021MDS boards
powerpc/85xx: Fix SWIOTLB initalization for MPC85xxMDS boards
powerpc/85xx: kexec for SMP 85xx BookE systems
powerpc/5200/i2c: improve i2c bus error recovery
of/xilinxfb: update tft compatible versions
powerpc/fsl-diu-fb: Support setting display mode using EDID
powerpc/5121: doc/dts-bindings: update doc of FSL DIU bindings
powerpc/5121: shared DIU framebuffer support
powerpc/5121: move fsl-diu-fb.h to include/linux
powerpc/5121: fsl-diu-fb: fix issue with re-enabling DIU area descriptor
powerpc/512x: add clock structure for Video-IN (VIU) unit
...
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* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze: (49 commits)
microblaze: Add KGDB support
microblaze: Support brki rX, 0x18 for user application debugging
microblaze: Remove nop after MSRCLR/SET, MTS, MFS instructions
microblaze: Simplify syscall rutine
microblaze: Move PT_MODE saving to delay slot
microblaze: Fix _interrupt function
microblaze: Fix _user_exception function
microblaze: Put together addik instructions
microblaze: Use delay slot in syscall macros
microblaze: Save kernel mode in delay slot
microblaze: Do not mix register saving and mode setting
microblaze: Move SAVE_STATE upward
microblaze: entry.S: Macro optimization
microblaze: Optimize hw exception rutine
microblaze: Implement clear_ums macro and fix SAVE_STATE macro
microblaze: Remove additional setup for kernel_mode
microblaze: Optimize SAVE_STATE macro
microblaze: Remove additional loading
microblaze: Completely remove working with R11 register
microblaze: Do not setup BIP in _debug_exception
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
arch/sparc/mm: Use GFP_KERNEL
MAINTAINERS: Add trailing slash to SBUS path.
sbus: autoconvert trivial BKL users to private mutex
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] increase ia64 static per cpu area
[IA64] Put ia64 config files on the Uwe Kleine-König diet
[IA64] perfmon: convert to unlocked_ioctl
[IA64] beautify vmlinux.lds.h
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* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus: (150 commits)
MIPS: PowerTV: Separate PowerTV USB support from non-USB code
MIPS: strip the un-needed sections of vmlinuz
MIPS: Clean up the calculation of VMLINUZ_LOAD_ADDRESS
MIPS: Clean up arch/mips/boot/compressed/decompress.c
MIPS: Clean up arch/mips/boot/compressed/ld.script
MIPS: Unify the suffix of compressed vmlinux.bin
MIPS: PowerTV: Add Gaia platform definitions.
MIPS: BCM47xx: Fix nvram_getenv return value.
MIPS: Octeon: Allow more than 3.75GB of memory with PCIe
MIPS: Clean up notify_die() usage.
MIPS: Remove unused task_struct.trap_no field.
Documentation: Mention that KProbes is supported on MIPS
SAMPLES: kprobe_example: Make it print something on MIPS.
MIPS: kprobe: Add support.
MIPS: Add instrunction format for BREAK and SYSCALL
MIPS: kprobes: Define regs_return_value()
MIPS: Ritually kill stupid printk.
MIPS: Octeon: Disallow MSI-X interrupt and fall back to MSI interrupts.
MIPS: Octeon: Support 256 MSI on PCIe
MIPS: Decode core number for R2 CPUs.
...
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Update the kgdb docs to include information about kernel mode setting support.
[Randy Dunlap <rdunlap@xenotime.net>: grammatical corrections]
CC: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6:
xtensa: Disable PCI and nfsroot on simulation target
xtensa: Add missing include in coprocessor.h
xtensa: Fix the network driver for the simulator target
xtensa: Shuffle include statements to fix linker script
xtensa: Add -mforce-no-pic option is supported
xtensa: Fixes due to bss boundary symbol name changes.
xtensa: Fix linker script patch-up
xtensa: Fix FLUSH_DCACHE macro for some variants.
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Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 5349ef3127c77075ff70b2014f17ae0fbcaaf199 (drm/fb: fix
FBIOGET/PUT_VSCREENINFO pixel clock handling) changed the logic of
when a pixclock was valid vs invalid.
The atomic kernel mode setting used by the kernel debugger relies upon
the drm_fb_helper_check_var() to always return -EINVAL. Until a
better solution exists, this behavior will be restored.
CC: David Airlie <airlied@linux.ie>
CC: Jesse Barnes <jbarnes@virtuousgeek.org>
CC: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
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If the HW compression is left on, the call backs from the HW will
crash the kernel. The only time this code is called is when kernel
mode setting is in use with kgdb and the kdb shell.
The atomic display pipe handler callback will reset everything when
kgdb restores kernel to the run state.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
CC: David Airlie <airlied@linux.ie>
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Implement atomic kernel mode settings using the fb layer's debug hook
system for supporting debugger interaction.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
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Implement the callbacks for KDB entry/exit via the drm helpers.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
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Add fb ops to handle enter/exit of the kernel debugger. If present, the
fb core will register them with KGDB and they'll be called when the
debugger is entered and exited. The new functions are responsible for
switching to an appropriate debug framebuffer and restoring the
interrupted state at exit time.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
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Add the kms keyword processing to kgdboc and the callbacks to invoke
console switching when ever kgdboc is started with "kgdboc=kms,kbd".
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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The kernel console interface stores the number of lines it is
configured to use. The kdb debugger can greatly benefit by knowing how
many lines there are on the console for the pager functionality
without having the end user compile in the setting or have to
repeatedly change it at run time.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
CC: David Airlie <airlied@linux.ie>
CC: Andrew Morton <akpm@linux-foundation.org>
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These functions allow the kernel debugger to save and restore the
state of the system console.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
CC: David Airlie <airlied@linux.ie>
CC: Andrew Morton <akpm@linux-foundation.org>
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When an arch such as mips and microblaze does not implement either HW
or software single stepping the debug core should re-enter kdb. The
kdb code will properly ignore the single step operation. Attempting
to single step the kernel without software or hardware support causes
unpredictable kernel crashes.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
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Use the macros provided by the HW breakpoint API.
Signed-off-by: Dongdong Deng <dongdong.deng@windriver.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
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