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H. Peter Anvin 6e16d89bcd Sanitize the type of struct user.u_ar0 
struct user.u_ar0 is defined to contain a pointer offset on all
architectures in which it is defined (all architectures which define an
a.out format except SPARC.) However, it has a pointer type in the headers,
which is pointless -- <asm/user.h> is not exported to userspace, and it
just makes the code messy.

Redefine the field as "unsigned long" (which is the same size as a pointer
on all Linux architectures) and change the setting code to user offsetof()
instead of hand-coded arithmetic.

Cc: Linux Arch Mailing List <linux-arch@vger.kernel.org>
Cc: Bryan Wu <bryan.wu@analog.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Lennert Buytenhek <kernel@wantstofly.org>
Cc: Håvard Skinnemoen <hskinnemoen@atmel.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2008-02-07 08:42:30 -08:00
..
cpu-sh2 rtc: rtc-sh: Split out the CPU defs to asm/cpu/. 2008-01-28 13:18:58 +09:00
cpu-sh2a rtc: rtc-sh: Split out the CPU defs to asm/cpu/. 2008-01-28 13:18:58 +09:00
cpu-sh3 sh: sh7712 clock support 2008-01-28 13:19:02 +09:00
cpu-sh4 sh: Add support for SH7763 CPU subtype. 2008-01-28 13:19:02 +09:00
cpu-sh5 sh: comment tidying for sh64->sh migration. 2008-01-28 13:18:58 +09:00
dreamcast sh: Add maple bus support for the SEGA Dreamcast. 2007-09-21 15:55:55 +09:00
hd64465 fix file specification in comments 2006-10-03 23:01:26 +02:00
landisk sh: landisk: Header cleanups. 2007-05-14 09:18:35 +09:00
mpc1211 i386/x86_64: move headers to include/asm-x86 2007-10-11 11:20:03 +02:00
sh03 sh: intc - remove redundant irq code for sh03, snapgear and titan 2007-09-21 11:57:47 +09:00
.gitignore sh: Initial gitignore list 2006-10-03 13:16:15 +09:00
Kbuild sh: Fix posix_types.h userspace breakage from sh64 merge. 2008-01-28 13:19:02 +09:00
a.out.h arch: personality independent stack top 2007-07-19 10:04:45 -07:00
adc.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
addrspace.h sh: Clean up places that make 29-bit physical assumptions. 2008-01-28 13:18:59 +09:00
atomic-grb.h sh: GUSA atomic rollback support. 2008-01-28 13:18:58 +09:00
atomic-irq.h sh: Split out atomic ops logically. 2006-12-12 08:42:08 +09:00
atomic-llsc.h sh: Split out atomic ops logically. 2006-12-12 08:42:08 +09:00
atomic.h sh: GUSA atomic rollback support. 2008-01-28 13:18:58 +09:00
auxvec.h sh: Provide the FPSCR init through AT_FPUCW. 2008-01-28 13:19:00 +09:00
bitops-grb.h sh: GUSA atomic rollback support. 2008-01-28 13:18:58 +09:00
bitops-irq.h sh: GUSA atomic rollback support. 2008-01-28 13:18:58 +09:00
bitops.h sh: GUSA atomic rollback support. 2008-01-28 13:18:58 +09:00
bug.h sh: Fix up generic BUG build for SH-5. 2008-01-28 13:18:52 +09:00
bugs.h sh: Add support for SH7763 CPU subtype. 2008-01-28 13:19:02 +09:00
byteorder.h sh: SH-5 byteorder routines. 2008-01-28 13:18:41 +09:00
cache.h sh: Split out cache status bits per-CPU family. 2008-01-28 13:18:38 +09:00
cacheflush.h sh: Fix argument page dcache flushing regression. 2008-01-07 13:50:18 +09:00
checksum.h sh: Split out checksum.h in to _32 and _64 variants. 2008-01-28 13:18:45 +09:00
checksum_32.h sh: Split out checksum.h in to _32 and _64 variants. 2008-01-28 13:18:45 +09:00
checksum_64.h sh: comment tidying for sh64->sh migration. 2008-01-28 13:18:58 +09:00
clock.h sh: Implement clk_round_rate() in the clock framework. 2007-07-20 13:29:09 +09:00
cmpxchg-grb.h sh: GUSA atomic rollback support. 2008-01-28 13:18:58 +09:00
cmpxchg-irq.h sh: GUSA atomic rollback support. 2008-01-28 13:18:58 +09:00
cpu-features.h sh: Add 32-bit opcode feature CPU flag. 2007-05-09 01:35:01 +00:00
cputime.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
current.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
delay.h Fix __const_udelay declaration and definition mismatches 2008-02-06 10:41:06 -08:00
device.h Driver core: add dev_archdata to struct device 2006-12-01 14:52:01 -08:00
div64.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dma-mapping.h sh: declared coherent memory support V2 2008-01-28 13:19:04 +09:00
dma.h sh: dma: Fix CONFIG_SYSFS=n build. 2007-09-21 11:57:53 +09:00
dmabrg.h sh: SH7760 DMABRG support. 2007-05-09 17:36:15 +09:00
edosk7705.h fix file specification in comments 2007-05-09 08:58:16 +02:00
elf.h sh: Kill off superfluous __KERNEL__ check in asm/elf.h. 2008-01-28 13:19:00 +09:00
emergency-restart.h [PATCH] Add emergency_restart() 2005-07-26 14:35:41 -07:00
entry-macros.S sh: Fixup various PAGE_SIZE == 4096 assumptions. 2006-12-06 10:45:39 +09:00
errno.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
fb.h fbdev: detect primary display device 2007-07-17 10:23:11 -07:00
fcntl.h [PATCH] Clean up struct flock64 definitions 2005-09-07 16:57:38 -07:00
fixmap.h sh: Preparation for uncached jumps through PMB. 2008-01-28 13:18:59 +09:00
flat.h sh: Fix up binfmt_flat compile warnings. 2008-01-28 13:19:00 +09:00
floppy.h Remove dma_cache_(wback|inv|wback_inv) functions 2007-10-17 08:42:57 -07:00
fpu.h sh: SH-2A FPU support. 2008-01-28 13:18:57 +09:00
freq.h [PATCH] sh: Simplistic clock framework 2006-01-16 23:15:28 -08:00
futex-irq.h sh: Fix up futex implementation. 2007-06-18 13:58:32 +09:00
futex.h sh: Fix up futex implementation. 2007-06-18 13:58:32 +09:00
gpio.h sh: Add gpio.h stubs for PFC definitions. 2007-09-21 11:57:49 +09:00
hardirq.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
hd64461.h sh: include/asm-sh/: Spelling fixes. 2008-01-28 13:19:01 +09:00
heartbeat.h sh: heartbeat driver update. 2007-09-21 11:57:51 +09:00
hp6xx.h sh: Trivial fix for hp6xx build. 2007-03-28 19:45:59 +09:00
hw_irq.h sh: intc - remove default interrupt priority tables 2008-01-28 13:19:02 +09:00
ide.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
ilsel.h sh: x3proto: ILSEL IRQ support. 2007-09-21 11:57:48 +09:00
io.h sh: Clean up places that make 29-bit physical assumptions. 2008-01-28 13:18:59 +09:00
io_generic.h [PATCH] sh: I/O routine cleanups and ioremap() overhaul 2006-01-16 23:15:28 -08:00
ioctl.h [PATCH] Generic ioctl.h 2006-01-10 08:01:34 -08:00
ioctls.h sh: Convert struct ioctls to static defines. 2007-03-12 16:12:45 +09:00
ipcbuf.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
irq.h sh: Decouple 4k and soft/hardirq stacks. 2007-11-02 12:16:51 +09:00
irq_regs.h sh: Updates for IRQ handler changes. 2006-10-06 15:31:16 +09:00
irqflags.h sh: Split out irqflags.h in to _32 and _64 variants. 2008-01-28 13:18:40 +09:00
irqflags_32.h sh: Split out irqflags.h in to _32 and _64 variants. 2008-01-28 13:18:40 +09:00
irqflags_64.h sh: Split out irqflags.h in to _32 and _64 variants. 2008-01-28 13:18:40 +09:00
kdebug.h x86: optimize page faults like all other achitectures and kill notifier cruft 2007-10-16 09:42:50 -07:00
kexec.h kdump/kexec: calculate note size at compile time 2007-05-08 11:15:07 -07:00
keyboard.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
kgdb.h sh: Make kgdb i-cache flushing less inept. 2007-10-03 17:21:10 +09:00
kmap_types.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
lboxre2.h sh: Tidy up L-BOX area5 addresses. 2007-05-07 02:11:55 +00:00
linkage.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
local.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
machvec.h remove __attribute_used__ 2008-01-28 23:21:18 +01:00
magicpanelr2.h sh: Magic Panel R2 board support. 2007-09-21 11:57:54 +09:00
mc146818rtc.h sh: Kill off the rest of the legacy rtc mess. 2006-09-27 17:45:01 +09:00
microdev.h sh: include/asm-sh/: Spelling fixes. 2008-01-28 13:19:01 +09:00
mman.h [PATCH] add asm-generic/mman.h 2006-02-15 15:32:22 -08:00
mmu.h sh: Use a per-cpu ASID cache. 2007-02-13 10:54:45 +09:00
mmu_context.h sh: Move in the SH-5 mmu_context headers. 2008-01-28 13:18:41 +09:00
mmu_context_32.h sh: Move in the SH-5 mmu_context headers. 2008-01-28 13:18:41 +09:00
mmu_context_64.h sh: Move in the SH-5 mmu_context headers. 2008-01-28 13:18:41 +09:00
mmzone.h sh: Support for multiple nodes. 2007-06-08 02:43:49 +00:00
module.h sh: Add SH-5 support to asm/module.h. 2008-01-28 13:18:39 +09:00
msgbuf.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
mutex.h [PATCH] mutex subsystem, add default include/asm-*/mutex.h files 2006-01-09 15:59:19 -08:00
namei.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
page.h Cleanup asm/{elf,page,user}.h: #ifdef __KERNEL__ is no longer needed 2008-02-07 08:42:30 -08:00
param.h sh: Always use CONFIG_HZ for HZ. 2008-01-28 13:19:01 +09:00
parport.h sh: Add parport stub for SuperIO ports. 2007-07-07 07:28:11 +09:00
pci.h sh: Get the SH-5 PCI support building. 2008-01-28 13:18:55 +09:00
percpu.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
pgalloc.h add mm argument to pte/pmd/pud/pgd_free 2008-02-05 09:44:18 -08:00
pgtable.h sh: Stub in page_table_range_init() on nommu. 2008-01-28 13:19:00 +09:00
pgtable_32.h sh: Document PTEL 31:29 use on PTEA-wielding parts. 2008-01-28 13:18:59 +09:00
pgtable_64.h sh: comment tidying for sh64->sh migration. 2008-01-28 13:18:58 +09:00
pm.h sh: APM/PM support. 2006-09-27 16:20:22 +09:00
poll.h Consolidate asm/poll.h 2007-05-11 08:29:34 -07:00
posix_types.h sh: Fix posix_types.h userspace breakage from sh64 merge. 2008-01-28 13:19:02 +09:00
posix_types_32.h sh: Fix posix_types.h userspace breakage from sh64 merge. 2008-01-28 13:19:02 +09:00
posix_types_64.h sh: Fix posix_types.h userspace breakage from sh64 merge. 2008-01-28 13:19:02 +09:00
processor.h sh: Add support for SH7763 CPU subtype. 2008-01-28 13:19:02 +09:00
processor_32.h sh: Bring the SH-5 FPU in line with the SH-4 FPU API. 2008-01-28 13:18:55 +09:00
processor_64.h sh: Bring the SH-5 FPU in line with the SH-4 FPU API. 2008-01-28 13:18:55 +09:00
ptrace.h sh: Share bug/debug traps across _32 and _64. 2008-01-28 13:18:50 +09:00
push-switch.h sh: push-switch fixups for work_struct API damage. 2006-12-12 08:42:07 +09:00
r7780rp.h sh: update r7780rp interrupt code 2008-01-28 16:24:01 +09:00
resource.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
rtc.h rtc: rtc-sh: Split out the CPU defs to asm/cpu/. 2008-01-28 13:18:58 +09:00
rts7751r2d.h sh: intc - convert board specific r2d code 2007-09-21 11:57:50 +09:00
rwsem.h sh: Warn against direct inclusion of <asm/rwsem.h>. 2007-06-08 11:56:31 +09:00
scatterlist.h sh: Kill off pgtable.h from scatterlist.h. 2008-01-28 13:19:00 +09:00
sci.h serial: Add SERIAL_SH_SCI_NR_UARTS for sh-sci. 2006-09-27 17:32:30 +09:00
sdk7780.h sh: Add support for SDK7780 board. 2008-01-28 13:19:04 +09:00
se.h sh: Solution Engine SH7705 board and CPU updates. 2007-05-07 02:11:56 +00:00
se7206.h sh: SE7206 build fixes. 2006-12-06 10:45:37 +09:00
se7343.h sh: Solution Engine SH7343 board support. 2006-09-27 18:09:34 +09:00
se7722.h sh: clean up interrupt code for solution engine 7722 board 2007-07-20 12:18:20 +09:00
se7751.h Fix misspellings of "system", "controller", "interrupt" and "necessary". 2007-10-19 23:10:43 +02:00
se7780.h sh: SH7780 Solution Engine board support. 2007-05-07 02:11:55 +00:00
sections.h sh: Preparation for uncached jumps through PMB. 2008-01-28 13:18:59 +09:00
segment.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
semaphore-helper.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
semaphore.h kill DECLARE_MUTEX_LOCKED 2007-10-17 08:42:47 -07:00
sembuf.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
serial.h sh: rts7751r2d board updates. 2007-02-15 18:20:52 +09:00
setup.h sh: Move zero page param defs somewhere sensible. 2007-10-30 17:32:08 +09:00
sfp-machine.h sh: Kill off remaining config.h references. 2006-10-03 13:19:02 +09:00
sh_bios.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
shmbuf.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
shmin.h sh: Add some missing board headers. 2006-10-19 17:31:22 +09:00
shmparam.h sh: Fixup SHMLBA definition for SH7705. 2006-09-27 15:29:18 +09:00
sigcontext.h sh: SH-2A FPU support. 2008-01-28 13:18:57 +09:00
siginfo.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
signal.h [PATCH] irq-flags: SH: Use the new IRQF_ constants 2006-07-02 13:58:48 -07:00
smc37c93x.h sh: Move smc37c93x.h for SystemH board use. 2006-09-27 11:16:20 +09:00
smp.h sh: Bring SMP support back from the dead. 2007-09-21 18:32:32 +09:00
snapgear.h sh: intc - remove redundant irq code for sh03, snapgear and titan 2007-09-21 11:57:47 +09:00
socket.h [NET]: Introducing socket mark socket option. 2008-01-31 19:27:19 -08:00
sockios.h [NET]: Introduce SIOCGSTAMPNS ioctl to get timestamps with nanosec resolution 2007-04-25 22:24:04 -07:00
sparsemem.h sh: sparsemem support. 2007-06-08 02:43:43 +00:00
spi.h sh: add spi header and r2d platform data V3 2008-01-28 16:24:46 +09:00
spinlock.h sh: Overhaul spinlocks and rwlocks for SH-4A SMP. 2007-09-21 11:57:51 +09:00
spinlock_types.h sh: Overhaul spinlocks and rwlocks for SH-4A SMP. 2007-09-21 11:57:51 +09:00
stat.h sh: Special layout for SH-5 stat.h and user.h. 2008-01-28 13:18:53 +09:00
statfs.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
string.h sh: Split out asm/string.h for sh32 and sh64. 2008-01-28 13:18:40 +09:00
string_32.h sh: Split out asm/string.h for sh32 and sh64. 2008-01-28 13:18:40 +09:00
string_64.h sh: comment tidying for sh64->sh migration. 2008-01-28 13:18:58 +09:00
system.h sh: Provide the FPSCR init through AT_FPUCW. 2008-01-28 13:19:00 +09:00
system_32.h sh: Fix up switch_to() type casts. 2008-01-28 13:19:00 +09:00
system_64.h sh: Preparation for uncached jumps through PMB. 2008-01-28 13:18:59 +09:00
systemh7751.h Fix misspellings of "system", "controller", "interrupt" and "necessary". 2007-10-19 23:10:43 +02:00
termbits.h lots-of-architectures: enable arbitary speed tty support 2007-07-10 17:51:13 -07:00
termios.h [PATCH] consolidate line discipline number definitions 2007-02-11 10:51:26 -08:00
thread_info.h remove __attribute_used__ 2008-01-28 23:21:18 +01:00
timer.h sh: clockevent/clocksource/hrtimers/nohz TMU support. 2007-05-09 17:33:24 +09:00
timex.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
titan.h sh: sh775x/titan fixes for irq header changes. 2006-12-06 12:05:02 +09:00
tlb.h sh: Move over the SH-5 head.S and tlb.h. 2008-01-28 13:18:44 +09:00
tlb_64.h sh: Move over the SH-5 head.S and tlb.h. 2008-01-28 13:18:44 +09:00
tlbflush.h remove unused flush_tlb_pgtables 2007-10-19 11:53:34 -07:00
topology.h sh: Support for multiple nodes. 2007-06-08 02:43:49 +00:00
types.h sh: Share bug/debug traps across _32 and _64. 2008-01-28 13:18:50 +09:00
uaccess.h sh: Split out uaccess.h in to _32 and _64 variants. 2008-01-28 13:18:42 +09:00
uaccess_32.h sh: Fix get_user()/put_user() build error. 2008-01-28 13:19:02 +09:00
uaccess_64.h sh: comment tidying for sh64->sh migration. 2008-01-28 13:18:58 +09:00
ubc.h sh: remove support for sh7300 and solution engine 7300 2007-07-26 15:37:57 +09:00
ucontext.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
unaligned.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
unistd.h sh: Split out syscall ABI for _32 and _64 variants. 2008-01-28 13:18:45 +09:00
unistd_32.h timerfd: fix remaining architectures 2008-02-05 14:37:15 -08:00
unistd_64.h timerfd: fix remaining architectures 2008-02-05 14:37:15 -08:00
user.h Sanitize the type of struct user.u_ar0 2008-02-07 08:42:30 -08:00
vga.h sh: Add a dummy vga.h. 2007-11-07 20:19:30 +09:00
watchdog.h sh: Various cosmetic cleanups. 2006-09-27 12:31:01 +09:00
xor.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00