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Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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Signed-off-by: Adrian Bunk <bunk@stusta.de>
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Signed-off-by: Adrian Bunk <bunk@stusta.de>
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Signed-off-by: Adrian Bunk <bunk@stusta.de>
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This patch implements an API whereby an application can determine the
label of its peer's Unix datagram sockets via the auxiliary data mechanism of
recvmsg.
Patch purpose:
This patch enables a security-aware application to retrieve the
security context of the peer of a Unix datagram socket. The application
can then use this security context to determine the security context for
processing on behalf of the peer who sent the packet.
Patch design and implementation:
The design and implementation is very similar to the UDP case for INET
sockets. Basically we build upon the existing Unix domain socket API for
retrieving user credentials. Linux offers the API for obtaining user
credentials via ancillary messages (i.e., out of band/control messages
that are bundled together with a normal message). To retrieve the security
context, the application first indicates to the kernel such desire by
setting the SO_PASSSEC option via getsockopt. Then the application
retrieves the security context using the auxiliary data mechanism.
An example server application for Unix datagram socket should look like this:
toggle = 1;
toggle_len = sizeof(toggle);
setsockopt(sockfd, SOL_SOCKET, SO_PASSSEC, &toggle, &toggle_len);
recvmsg(sockfd, &msg_hdr, 0);
if (msg_hdr.msg_controllen > sizeof(struct cmsghdr)) {
cmsg_hdr = CMSG_FIRSTHDR(&msg_hdr);
if (cmsg_hdr->cmsg_len <= CMSG_LEN(sizeof(scontext)) &&
cmsg_hdr->cmsg_level == SOL_SOCKET &&
cmsg_hdr->cmsg_type == SCM_SECURITY) {
memcpy(&scontext, CMSG_DATA(cmsg_hdr), sizeof(scontext));
}
}
sock_setsockopt is enhanced with a new socket option SOCK_PASSSEC to allow
a server socket to receive security context of the peer.
Testing:
We have tested the patch by setting up Unix datagram client and server
applications. We verified that the server can retrieve the security context
using the auxiliary data mechanism of recvmsg.
Signed-off-by: Catherine Zhang <cxzhang@watson.ibm.com>
Acked-by: Acked-by: James Morris <jmorris@namei.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6:
[PATCH] i386: export memory more than 4G through /proc/iomem
[PATCH] 64bit Resource: finally enable 64bit resource sizes
[PATCH] 64bit Resource: convert a few remaining drivers to use resource_size_t where needed
[PATCH] 64bit resource: change pnp core to use resource_size_t
[PATCH] 64bit resource: change pci core and arch code to use resource_size_t
[PATCH] 64bit resource: change resource core to use resource_size_t
[PATCH] 64bit resource: introduce resource_size_t for the start and end of struct resource
[PATCH] 64bit resource: fix up printks for resources in misc drivers
[PATCH] 64bit resource: fix up printks for resources in arch and core code
[PATCH] 64bit resource: fix up printks for resources in pcmcia drivers
[PATCH] 64bit resource: fix up printks for resources in video drivers
[PATCH] 64bit resource: fix up printks for resources in ide drivers
[PATCH] 64bit resource: fix up printks for resources in mtd drivers
[PATCH] 64bit resource: fix up printks for resources in pci core and hotplug drivers
[PATCH] 64bit resource: fix up printks for resources in networks drivers
[PATCH] 64bit resource: fix up printks for resources in sound drivers
[PATCH] 64bit resource: C99 changes for struct resource declarations
Fixed up trivial conflict in drivers/ide/pci/cmd64x.c (the printk that
was changed by the 64-bit resources had been deleted in the meantime ;)
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Based on a patch series originally from Vivek Goyal <vgoyal@in.ibm.com>
Cc: Vivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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* 'nommu' of master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] nommu: backtrace code must not reference a discarded section
[ARM] nommu: Initial uCLinux support for MMU-based CPUs
[ARM] nommu: prevent Xscale-based machines being selected
[ARM] nommu: export flush_dcache_page()
[ARM] nommu: remove fault-armv, mmap and mm-armv files from nommu build
[ARM] Remove TABLE_SIZE, and several unused function prototypes
[ARM] nommu: Provide a simple flush_dcache_page implementation
[ARM] nommu: add arch/arm/Kconfig-nommu to Kconfig files
[ARM] nommu: add stubs for ioremap and friends
[ARM] nommu: avoid selecting TLB and CPU specific copy code
[ARM] nommu: uaccess tweaks
[ARM] nommu: adjust headers for !MMU ARM systems
[ARM] nommu: we need the TLS register emulation for nommu mode
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Remove fault-armv.o, mmap.o and mm-armv.o from uclinux builds - these
are concerned with MMU-ful operations, and as such are redundant for
uclinux.
Since this also removes iotable_init() and iotable_init() is used
extensively in the platform support files, just make it a no-op.
Based upon a couple of patches by Hyok.
Signed-off-by: Hyok S. Choi <hyok.choi@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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TABLE_SIZE is never used in arch/arm/mm/init.c. create_memmap_holes(),
memtable_init, and setup_io_desc() no longer exist in the kernel.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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MMUless systems have only one address space for all threads, so
both the usual access_ok() checks, and the exception handling do
not make much sense.
Hence, discard the fixup and exception tables at link time, use
memcpy/memset for the user copy/clearing functions, and define
the permission check macros to be constants.
Some of this patch was derived from the equivalent patch by
Hyok S. Choi.
Signed-off-by: Hyok S. Choi <hyok.choi@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Majorily based on Hyok Choi's patches, this fixes up the asm-arm
header files for mmuless systems. Over and above Hyok's patches:
- nommu.h merged into mmu.h (it's only a structure)
- nommu_context.h is essentially the same as mmu_context.h, but
without the MM switching code.
so there's no point having separate files. Also, in memory.h,
there's no point #ifndef'ing PHYS_OFFSET and END_MEM - both
CONFIG_DRAM_BASE and CONFIG_DRAM_SIZE will always be set by the
configuration scripts.
Other files have minor formatting changes, but are essentially
the same. Hyok's original patches were signed off thusly:
Signed-off-by: Hyok S. Choi <hyok.choi@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Lennert Buytenhek
Add the necessary kernel bits for crunch task switching.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Lennert Buytenhek
This patch makes it possible to get/set a task's Crunch state via
the ptrace(2) system call.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Lennert Buytenhek
This patch makes the kernel save Crunch state in userland signal frames,
so that any userland signal handler can safely use the Crunch coprocessor
without corrupting the Crunch state of the code it preempted.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Lennert Buytenhek
ixp23xx was including asm/hardware.h in its version of uncompress.h,
to get at the physical address of the debug UART, but this include was
causing various inline functions that are totally unrelated to the
decompressor, defined in headers in include/asm-arm/arch-ixp23xx, to
be included in the decompressor image.
Include asm/arch/ixp23xx.h instead, and move the sole inline function
in ixp23xx.h to another header.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Andrew Victor
Remove the remaining legacy __virt_to_bus__is_a_macro and
__bus_to_virt__is_a_macro defines in some ARM platforms.
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Ben Dooks
If only the S3C2412 based machines are selected,
then the regs-dsc.h does not export the S3C2412_DSC
registers as it is wrapped in CONFIG_CPU_S3C2440.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Back in the days when we had armo (26-bit) and armv (32-bit) combined,
we had an additional layer to the uaccess macros to ensure correct
typing. Since we no longer have 26-bit in this tree, we no longer
need this layer, so eliminate it.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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* git://git.infradead.org/mtd-2.6:
[MTD] NAND: Select chip before checking write protect status
[MTD] CORE mtdchar.c: fix off-by-one error in lseek()
[MTD] NAND: Fix typo in mtd/nand/ts7250.c
[JFFS2][XATTR] coexistence between xattr and write buffering support.
[JFFS2][XATTR] Fix wrong copyright
[JFFS2][XATTR] Re-define xd->refcnt as atomic_t
[JFFS2][XATTR] Fix memory leak with jffs2_xattr_ref
[JFFS2][XATTR] rid unnecessary writing of delete marker.
[JFFS2][XATTR] Fix ACL bug when updating null xattr by null ACL.
[JFFS2][XATTR] using 'delete marker' for xdatum/xref deletion
[MTD] Fix off-by-one error in physmap.c
[MTD] Remove unused 'nr_banks' variable from ixp2000 map driver
[MTD NAND] s3c2412 support in s3c2410.c
[MTD] Initialize 'writesize'
[MTD] NAND: ndfc fix address offset thinko
[MTD] NAND: S3C2410 convert prinks to dev_*()s
[MTD] NAND: Missing fixups
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Add support for both the S3C2412 and S3C2412 Samsung SoCs to
the increasingly mis-named s3c2410.c driver.
This currently only supports SLC ECCs, and a chip on nFCE0.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 3657/1: S3C24XX: Documentation update of Overview.txt
[ARM] Update mach-types
[ARM] 3656/1: S3C2412: Add S3C2412 and S3C2413 documenation
[ARM] 3654/1: add ajeco 1arm sbc support
[ARM] fix drivers/mfd/ucb1x00-core.c IRQ probing bug
[ARM] 3651/1: S3C24XX: Make arch list more detailed
[ARM] 3650/1: S3C2412: Update s3c2410_defconfig
[ARM] 3649/1: S3C24XX: Fix capitalisation of CPU on SMDK2440
[ARM] 3612/1: make pci bus optional for ixp4xx platform
[ARM] Remove MODE_(SVC|IRQ|FIQ|USR) and DEFAULT_FIQ
[ARM] Remove save_lr/restore_pc macros
[ARM] Remove partial non-v6 binutils compatibility
[ARM] Remove LOADREGS macro
[ARM] Remove RETINSTR macro
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DEFAULT_FIQ was entirely unused. MODE_* are just redefinitions
of *_MODE. Use *_MODE instead.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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As for RETINSTR/LOADREGS macros, these were for compatibility
with 26-bit ARMs. No longer required, so remove them.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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As for RETINSTR, LOADREGS is a left-over from the 26-bit days.
Remove it.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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RETINSTR is a left-over from the days when we had 26-bit and
32-bit CPU support integrated into the same tree. Since this
is no longer the case, we can now remove RETINSTR.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add backlight intensity control to the LOCOMO lcd/backlight driver using the
backlight class and add basic power management support.
This is a reimplementation and improvement of patches by John Lenz and Pavel
Machek
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The floppy driver is already calling add_disk_randomness as it should, so this
was redundant.
Signed-off-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Patch from Daniel Jacobowitz
In order for userspace to find saved coprocessor registers, move them from
struct rt_sigframe into struct ucontext. Also allow space for glibc's
sigset_t, so that userspace and kernelspace can use the same ucontext
layout. Define the magic numbers for iWMMXt in the header file for easier
reference. Include the size of the coprocessor data in the magic numbers.
Also define magic numbers and layout for VFP, not yet saved.
Signed-off-by: Daniel Jacobowitz <dan@codesourcery.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Ben Dooks
Move the decoding of the IRQ_EXT4 and above out of
the entry macro, and into an chained irq handler
as the EXTINT registers move depending on the CPU
being used.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Ben Dooks
Serial port support for the on-board UART blocks
on the Samsung S3C2412 and S3C2413 UARTs.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Ben Dooks
Clock support for the clocks on the Samsung S3C2412
and S3C2413 SoCs. This provides clock enables and
parent selection for all the standard clocks.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Ben Dooks
Add support for the Samsung S3C2412 and S3C2413 range
of SoCs. This patch contains the core identification,
debug macros, and basic register updates to get these
to build.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Lennert Buytenhek
Add an initial implementation of the clk_* API for the cirrus ep93xx
to the tree. The initial implementation is somewhat minimal, with the
intention of extending it as we go along.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Andrew Victor
Remove the remaining legacy __mem_isa() definitions for the ARM
platforms.
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Correct the return type of handle_IRQ_event() (inconsistency noticed during
Xen development), and remove redundant declarations. The return type
adjustment required breaking out the definition of irqreturn_t into a
separate header, in order to satisfy current include order dependencies.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Ian Molton <spyro@f2s.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Hirokazu Takata <takata.hirokazu@renesas.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: William Lee Irwin III <wli@holomorphy.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Miles Bader <uclinux-v850@lsi.nec.co.jp>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (21 commits)
[ARM] 3629/1: S3C24XX: fix missing bracket in regs-dsc.h
[ARM] 3537/1: Rework DMA-bounce locking for finer granularity
[ARM] 3601/1: i.MX/MX1 DMA error handling for signaled channels only
[ARM] 3597/1: ixp4xx/nslu2: Board support for new LED subsystem
[ARM] 3595/1: ixp4xx/nas100d: Board support for new LED subsystem
[ARM] 3626/1: ARM EABI: fix syscall restarting
[ARM] 3628/1: S3C24XX: add get_rate call to struct clk
[ARM] 3627/1: S3C24XX: split s3c2410 clocks from core clocks
[ARM] 3613/1: S3C2410: Add sysdev and sysclass
[ARM] 3624/1: Report true modem control line states
[ARM] 3620/2: ixp23xx: add uengine loader support
[ARM] 3618/1: add defconfig for logicpd pxa270 card engine
[ARM] 3617/1: ep93xx: fix slightly incorrect timer tick rate
[ARM] 3616/1: fix timer handler wrap logic for a number of platforms
[ARM] 3615/1: ixp23xx: use platform devices for physmap flash
[ARM] 3614/1: ep93xx: use platform devices for physmap flash
[ARM] 3621/1: fix compilation breakage for pnx4008
[ARM] 3623/1: pnx4008: move GPIO-related defines to gpio.h
[ARM] 3622/1: pnx4008: remove clk_use/clk_unuse
[ARM] Enable VFP to be built when non-VFP capable CPUs are selected
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Patch from Ben Dooks
Fix missing bracket in include/asm-arm/arch-s3c2410/regs-dsc.h
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Pavel Pisa
There has been bug, that dma_err_handler() touches even
channels not signaling error condition.
Problem noticed by Andrea Paterniani.
Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Lennert Buytenhek
This patch allows the ixp2000 uengine loader that is already in the
tree to also be used on the ixp23xx.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Vitaly Wool
pnx4008_defconfig fails to build:
include/asm/hardware/debug-8250.S: Assembler messages:
include/asm/hardware/debug-8250.S:12: Error: Macro with this name was already defined.
This is due to senduart macro erroneously defined in include/asm-arm/arch-pnx4008/debug-macro.S. This patch removes it from that file.
Signed-off-by: Vitaly Wool <vwool@ru.mvista.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Vitaly Wool
This patch moves GPIO-related defines and static inline funcs from include/asm-arm/arch-pnx4008/pm.h to include/asm-arm/arch-pnx4008/gpio.h.
Also, some more GPIO-related defines are added to include/asm-arm/arch-pnx4008/gpio.h as they are needed for the USB host driver (coming soon...)
Signed-off-by: Vitaly Wool <vwool@ru.mvista.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Some machine classes need to allow VFP support to be built into the
kernel, but still allow the kernel to run even though VFP isn't
present. Unfortunately, the kernel hard-codes VFP instructions
into the thread switch, which prevents this being run-time selectable.
Solve this by introducing a notifier which things such as VFP can
hook into to be informed of events which affect the VFP subsystem
(eg, creation and destruction of threads, switches between threads.)
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This is a patch for the Hilscher netx builtin ethernet ports. The
netx board support was merged into 2.6.17-git2.
The netx is a arm926 based SoC.
Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
--
drivers/net/Kconfig | 11
drivers/net/Makefile | 1
drivers/net/netx-eth.c | 516 ++++++++++++++++++++++++++++++++++++++++
include/asm-arm/arch-netx/eth.h | 27 ++
4 files changed, 555 insertions(+)
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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VGA_MAP_MEM translates to ioremap() on some architectures. It makes sense
to do this to vga_vram_base, because we're going to access memory between
vga_vram_base and vga_vram_end.
But it doesn't really make sense to map starting at vga_vram_end, because
we aren't going to access memory starting there. On ia64, which always has
to be different, ioremapping vga_vram_end gives you something completely
incompatible with ioremapped vga_vram_start, so vga_vram_size ends up being
nonsense.
As a bonus, we often know the size up front, so we can use ioremap()
correctly, rather than giving it a zero size.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (42 commits)
[ARM] Fix tosa build error
[ARM] 3610/1: Make reboot work on Versatile
[ARM] 3609/1: S3C24XX: defconfig update for s3c2410_defconfig
[ARM] 3591/1: Anubis: IDE device definitions
[ARM] Include asm/hardware.h not asm/arch/hardware.h
[ARM] 3594/1: Poodle: Add touchscreen support + other updates
[ARM] 3564/1: sharpsl_pm: Abstract some machine specific parameters
[ARM] 3561/1: Poodle: Correct the MMC/SD power control
[ARM] 3593/1: Add reboot and shutdown handlers for Zaurus handhelds
[ARM] 3599/1: AT91RM9200 remove global variables
[ARM] 3607/1: AT91RM9200 misc fixes
[ARM] 3605/1: AT91RM9200 Power Management
[ARM] 3604/1: AT91RM9200 New boards
[ARM] 3603/1: AT91RM9200 remove old files
[ARM] 3592/1: AT91RM9200 Serial driver update
[ARM] 3590/1: AT91RM9200 Platform devices support
[ARM] 3589/1: AT91RM9200 DK/EK board update
[ARM] 3588/1: AT91RM9200 CSB337/637 board update
[ARM] 3587/1: AT91RM9200 hardware headers
[ARM] 3586/1: AT91RM9200 header update
...
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Patch from Deepak Saxena
This patch makes soft reboot work on the Versatile board. Thanks to
Catalin Marinas @ ARM for pointing out the proper way to do this.
Signed-off-by: Deepak Saxena <dsaxena@plexity.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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