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David Gibson 5e391dc9e3 [PATCH] powerpc: fix for hugepage areas straddling 4GB boundary 
Commit 7d24f0b8a5 fixed bugs in the ppc64 SLB
miss handler with respect to hugepage handling, and in the process tweaked
the semantics of the hugepage address masks in mm_context_t.

Unfortunately, it left out a couple of necessary changes to go with that
change.  First, the in_hugepage_area() macro was not updated to match,
second prepare_hugepage_range() was not updated to correctly handle
hugepages regions which straddled the 4GB point.

The latter appears only to cause process-hangs when attempting to map such
a region, but the former can cause oopses if a get_user_pages() is
triggered at the wrong point.  This patch addresses both bugs.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-23 16:08:39 -08:00
..
iseries modify defines according to _ASM_POWERPC_ISERIES_ 2005-11-02 15:53:01 +11:00
8253pit.h [PATCH] powerpc: Standardize on _ASM_POWERPC header symbol prefix 2005-09-09 22:11:34 +10:00
a.out.h [PATCH] powerpc: Merge include/asm-ppc*/a.out.h into include/asm-powerpc 2005-09-21 19:21:08 +10:00
abs_addr.h [PATCH] powerpc: Move various ppc64 files with no ppc32 equivalent to powerpc 2005-11-10 11:24:04 +11:00
agp.h [PATCH] powerpc: Standardize on _ASM_POWERPC header symbol prefix 2005-09-09 22:11:34 +10:00
asm-compat.h [PATCH] powerpc: Consolidate asm compatibility macros 2005-11-10 13:10:38 +11:00
atomic.h [PATCH] atomic: inc_not_zero 2005-11-13 18:14:16 -08:00
auxvec.h [PATCH] powerpc: Merge vdso's and add vdso support to 32 bits kernel 2005-11-11 22:25:39 +11:00
backlight.h powerpc: Merged asm/backlight.h 2005-10-11 09:59:38 +10:00
bitops.h [PATCH] powerpc: Consolidate asm compatibility macros 2005-11-10 13:10:38 +11:00
btext.h powerpc: Move a bunch of ppc64 headers to include/asm-powerpc 2005-11-14 17:22:01 +11:00
bug.h [PATCH] powerpc: Consolidate asm compatibility macros 2005-11-10 13:10:38 +11:00
bugs.h [PATCH] powerpc: Make check_bugs() static inline 2005-09-09 22:11:35 +10:00
byteorder.h [PATCH] powerpc: merge byteorder.h 2005-09-28 15:42:53 +10:00
cache.h [PATCH] powerpc: Merge cacheflush.h and cache.h 2005-11-10 13:09:22 +11:00
cacheflush.h [PATCH] powerpc: Merge cacheflush.h and cache.h 2005-11-10 13:09:22 +11:00
checksum.h [PATCH] powerpc: merge include/asm-ppc*/checksum.h into include/asm-powerpc/checksum.h 2005-10-26 15:54:31 +10:00
compat.h [PATCH] powerpc: Move various ppc64 files with no ppc32 equivalent to powerpc 2005-11-10 11:24:04 +11:00
cputable.h [PATCH] powerpc: merge align.c 2005-11-18 14:39:23 +11:00
cputime.h [PATCH] Move the identical files from include/asm-ppc{,64} 2005-08-30 13:32:05 +10:00
current.h [PATCH] powerpc: Merge current.h 2005-11-10 11:23:53 +11:00
dbdma.h powerpc: Merge various powermac-related header files. 2005-10-20 20:53:39 +10:00
delay.h powerpc: Fix delay functions for 601 processors 2005-11-18 14:08:12 +11:00
div64.h [PATCH] Move the identical files from include/asm-ppc{,64} 2005-08-30 13:32:05 +10:00
dma-mapping.h powerpc: merge dma-mapping.h 2005-11-19 01:48:52 +11:00
dma.h [PATCH] powerpc: Merge asm-ppc*/dma.h 2005-09-22 21:03:33 +10:00
eeh.h [PATCH] Avoid use of uninitialised spinlock in EEH. 2005-11-17 16:53:38 +11:00
eeh_event.h [PATCH] ppc64: PCI error event dispatcher 2005-11-10 11:38:05 +11:00
elf.h [PATCH] powerpc: Merge vdso's and add vdso support to 32 bits kernel 2005-11-11 22:25:39 +11:00
emergency-restart.h [PATCH] Move the identical files from include/asm-ppc{,64} 2005-08-30 13:32:05 +10:00
errno.h [PATCH] powerpc: Standardize on _ASM_POWERPC header symbol prefix 2005-09-09 22:11:34 +10:00
fcntl.h [PATCH] Consolidate the asm-ppc*/fcntl.h files into asm-powerpc 2005-09-07 16:57:39 -07:00
firmware.h [PATCH] powerpc: merge code values for identifying platforms 2005-11-10 13:37:51 +11:00
floppy.h powerpc: Move a bunch of ppc64 headers to include/asm-powerpc 2005-11-14 17:22:01 +11:00
futex.h [PATCH] powerpc: Consolidate asm compatibility macros 2005-11-10 13:10:38 +11:00
grackle.h powerpc: Pull out MPC106 (grackle) initialization code into its own file 2005-10-26 17:16:38 +10:00
hardirq.h powerpc: Get 64-bit configs to compile with ARCH=powerpc 2005-10-10 22:50:37 +10:00
heathrow.h powerpc: Merge various powermac-related header files. 2005-10-20 20:53:39 +10:00
hvcall.h [PATCH] powerpc: Move more ppc64 files with no ppc32 equivalent to powerpc 2005-11-10 15:32:37 +11:00
hvconsole.h powerpc: Move a bunch of ppc64 headers to include/asm-powerpc 2005-11-14 17:22:01 +11:00
hvcserver.h powerpc: Move a bunch of ppc64 headers to include/asm-powerpc 2005-11-14 17:22:01 +11:00
hw_irq.h ppc64: remove ppc_irq_dispatch_handler 2005-11-09 16:19:53 +11:00
i8259.h powerpc: Merge i8259.c into arch/powerpc/sysdev 2005-10-26 16:47:42 +10:00
ide.h powerpc: merge ide.h 2005-11-08 12:20:34 +11:00
io.h powerpc: Trivially merge several headers from asm-ppc64 to asm-powerpc 2005-11-19 20:17:32 +11:00
ioctl.h [PATCH] powerpc: Standardize on _ASM_POWERPC header symbol prefix 2005-09-09 22:11:34 +10:00
ioctls.h powerpc: remove duplicate ioctl definitions 2005-11-01 14:36:30 +11:00
iommu.h [PATCH] ppc64: support 64k pages 2005-11-06 16:56:47 -08:00
ipc.h [PATCH] Move the identical files from include/asm-ppc{,64} 2005-08-30 13:32:05 +10:00
ipcbuf.h [PATCH] powerpc: Keep fixing merged ipcbuf.h 2005-11-03 16:58:17 +11:00
irq.h [PATCH] ppc32: fix PQ2 PCI DMA interrupt handling 2005-11-11 22:19:56 +11:00
kdebug.h powerpc: clean up after powermac build merge 2005-09-27 13:51:59 +10:00
kexec.h [PATCH] powerpc: Export htab start/end via device tree 2005-11-14 16:34:06 +11:00
keylargo.h powerpc: Merge various powermac-related header files. 2005-10-20 20:53:39 +10:00
kmap_types.h [PATCH] powerpc: Merge kmap_types.h 2005-09-19 09:38:49 +10:00
kprobes.h [PATCH] Kprobes: Track kprobe on a per_cpu basis - ppc64 changes 2005-11-07 07:53:45 -08:00
linkage.h [PATCH] powerpc: Standardize on _ASM_POWERPC header symbol prefix 2005-09-09 22:11:34 +10:00
lmb.h powerpc: Merge in the ppc64 version of the prom code. 2005-10-06 12:06:20 +10:00
local.h [PATCH] Move all the very similar files to asm-powerpc 2005-08-30 13:32:06 +10:00
lppaca.h [PATCH] powerpc: Move various ppc64 files with no ppc32 equivalent to powerpc 2005-11-10 11:24:04 +11:00
machdep.h [PATCH] powerpc: Turn cpu_irq_down into kexec_cpu_down 2005-11-14 16:33:09 +11:00
macio.h powerpc: Merge various powermac-related header files. 2005-10-20 20:53:39 +10:00
mc146818rtc.h [PATCH] powerpc: Standardize on _ASM_POWERPC header symbol prefix 2005-09-09 22:11:34 +10:00
mediabay.h powerpc: Merge various powermac-related header files. 2005-10-20 20:53:39 +10:00
mman.h [PATCH] powerpc: Standardize on _ASM_POWERPC header symbol prefix 2005-09-09 22:11:34 +10:00
mmu.h powerpc: Trivially merge several headers from asm-ppc64 to asm-powerpc 2005-11-19 20:17:32 +11:00
mmu_context.h powerpc: Trivially merge several headers from asm-ppc64 to asm-powerpc 2005-11-19 20:17:32 +11:00
mmzone.h powerpc: Trivially merge several headers from asm-ppc64 to asm-powerpc 2005-11-19 20:17:32 +11:00
module.h [PATCH] powerpc: Standardize on _ASM_POWERPC header symbol prefix 2005-09-09 22:11:34 +10:00
mpic.h powerpc: Move smp_mpic_message_pass into mpic.c 2005-10-20 17:09:51 +10:00
msgbuf.h [PATCH] powerpc: Merge a few more include files 2005-09-09 22:11:35 +10:00
namei.h [PATCH] powerpc: Standardize on _ASM_POWERPC header symbol prefix 2005-09-09 22:11:34 +10:00
numnodes.h [PATCH] powerpc: Merge (move) numnodes.h and sparsemem.h 2005-11-02 15:25:42 +11:00
nvram.h powerpc: Remove an extraneous and incorrect declaration of pmac_nvram_init. 2005-11-15 11:17:02 +11:00
of_device.h powerpc: Merge of_device.c and of_device.h 2005-10-06 13:22:17 +10:00
ohare.h powerpc: Merge various powermac-related header files. 2005-10-20 20:53:39 +10:00
oprofile_impl.h [PATCH] powerpc: merge oprofile headers 2005-09-21 19:21:08 +10:00
paca.h [PATCH] powerpc: Move various ppc64 files with no ppc32 equivalent to powerpc 2005-11-10 11:24:04 +11:00
page.h [PATCH] powerpc: Merge page.h 2005-11-14 16:33:05 +11:00
page_32.h powerpc: Fix 32-bit compile: PPC_MEMSTART was undeclared 2005-11-14 17:32:50 +11:00
page_64.h [PATCH] powerpc: fix for hugepage areas straddling 4GB boundary 2005-11-23 16:08:39 -08:00
param.h [PATCH] powerpc: Merge a few more include files 2005-09-09 22:11:35 +10:00
parport.h [PATCH] powerpc: Merge parport.h 2005-10-27 20:50:54 +10:00
pci-bridge.h powerpc: Trivially merge several headers from asm-ppc64 to asm-powerpc 2005-11-19 20:17:32 +11:00
pci.h powerpc: Merge pci.h 2005-11-19 20:46:04 +11:00
percpu.h [PATCH] Move all the very similar files to asm-powerpc 2005-08-30 13:32:06 +10:00
pgalloc.h powerpc: Trivially merge several headers from asm-ppc64 to asm-powerpc 2005-11-19 20:17:32 +11:00
pgtable-4k.h powerpc: Trivially merge several headers from asm-ppc64 to asm-powerpc 2005-11-19 20:17:32 +11:00
pgtable-64k.h powerpc: Trivially merge several headers from asm-ppc64 to asm-powerpc 2005-11-19 20:17:32 +11:00
pgtable.h powerpc: Trivially merge several headers from asm-ppc64 to asm-powerpc 2005-11-19 20:17:32 +11:00
pmac_feature.h powerpc: Merge various powermac-related header files. 2005-10-20 20:53:39 +10:00
pmac_low_i2c.h powerpc: Merge various powermac-related header files. 2005-10-20 20:53:39 +10:00
pmc.h [PATCH] ppc32: fix perf_irq extern on e500 2005-11-09 07:55:52 -08:00
poll.h [PATCH] powerpc: Standardize on _ASM_POWERPC header symbol prefix 2005-09-09 22:11:34 +10:00
posix_types.h [PATCH] powerpc: Merge asm-ppc*/posix_types.h 2005-09-21 19:21:07 +10:00
ppc-pci.h powerpc: Merge pci.h 2005-11-19 20:46:04 +11:00
ppc_asm.h [PATCH] powerpc: Consolidate asm compatibility macros 2005-11-10 13:10:38 +11:00
processor.h [PATCH] powerpc: Merge vdso's and add vdso support to 32 bits kernel 2005-11-11 22:25:39 +11:00
prom.h [PATCH] ppc64: SMU partition recovery 2005-11-08 11:17:40 +11:00
pSeries_reconfig.h powerpc: Merge in the ppc64 version of the prom code. 2005-10-06 12:06:20 +10:00
ptrace.h powerpc: merge ptrace.h 2005-11-03 16:03:07 +11:00
reg.h [PATCH] powerpc: merge code values for identifying platforms 2005-11-10 13:37:51 +11:00
reg_8xx.h [PATCH] powerpc: Merge cacheflush.h and cache.h 2005-11-10 13:09:22 +11:00
resource.h [PATCH] Move all the very similar files to asm-powerpc 2005-08-30 13:32:06 +10:00
rtas.h powerpc: Merge remaining RTAS code 2005-11-03 14:41:19 +11:00
rtc.h powerpc: Make set_rtc_time() return error code from lower-level function 2005-10-22 15:57:55 +10:00
rwsem.h Merge ../linux-2.6 by hand 2005-10-31 13:37:12 +11:00
scatterlist.h [PATCH] powerpc: merge scatterlist.h 2005-10-27 16:45:52 +10:00
seccomp.h [PATCH] powerpc: Merge asm-ppc*/seccomp.h, drop TIF_32BIT check 2005-09-25 22:38:45 +10:00
sections.h [PATCH] powerpc: Merge simplified sections.h into asm-powerpc 2005-09-19 09:38:50 +10:00
semaphore.h Merge ../linux-2.6 by hand 2005-10-31 13:37:12 +11:00
sembuf.h [PATCH] powerpc: Standardize on _ASM_POWERPC header symbol prefix 2005-09-09 22:11:34 +10:00
serial.h powerpc: Move a bunch of ppc64 headers to include/asm-powerpc 2005-11-14 17:22:01 +11:00
setup.h [PATCH] powerpc: Merge a few more include files 2005-09-09 22:11:35 +10:00
shmbuf.h [PATCH] powerpc: Fix __power64__ typos that should be __powerpc64__ 2005-09-09 22:11:35 +10:00
shmparam.h [PATCH] powerpc: Standardize on _ASM_POWERPC header symbol prefix 2005-09-09 22:11:34 +10:00
sigcontext.h powerpc: merge sigcontext.h 2005-11-03 16:24:25 +11:00
siginfo.h [PATCH] ppc64: Add definitions for new PTRACE calls 2005-09-12 17:19:12 +10:00
signal.h [PATCH] powerpc: Merge signal.h 2005-11-10 11:23:46 +11:00
smp.h powerpc: Various UP build fixes 2005-11-07 13:18:13 +11:00
smu.h [PATCH] ppc64: SMU partition recovery 2005-11-08 11:17:40 +11:00
socket.h [PATCH] powerpc: Standardize on _ASM_POWERPC header symbol prefix 2005-09-09 22:11:34 +10:00
sockios.h [PATCH] powerpc: Standardize on _ASM_POWERPC header symbol prefix 2005-09-09 22:11:34 +10:00
sparsemem.h [PATCH] ppc64: Increase sparsemem defaults 2005-11-11 22:21:41 +11:00
spinlock.h powerpc: Merge spinlock.h 2005-11-19 20:50:46 +11:00
spinlock_types.h [PATCH] powerpc: merge include/asm-ppc*/spinlock_types.h into include/asm-powerpc/spinlock_types.h 2005-09-21 19:21:09 +10:00
sstep.h powerpc: Make single-stepping emulation (mostly) usable on 32-bit 2005-10-28 22:48:08 +10:00
stat.h powerpc: merge stat.h 2005-11-03 16:02:23 +11:00
statfs.h [PATCH] powerpc: merge include/asm-ppc*/statfs.h into include/asm-powerpc/statfs.h 2005-09-21 19:21:10 +10:00
string.h [PATCH] powerpc: Standardize on _ASM_POWERPC header symbol prefix 2005-09-09 22:11:34 +10:00
synch.h [PATCH] powerpc: merge atomic.h, memory.h 2005-09-25 22:38:46 +10:00
system.h powerpc: Move some extern declarations from C code into headers 2005-11-10 15:53:40 +11:00
tce.h [PATCH] powerpc: Move various ppc64 files with no ppc32 equivalent to powerpc 2005-11-10 11:24:04 +11:00
termbits.h [PATCH] powerpc: Standardize on _ASM_POWERPC header symbol prefix 2005-09-09 22:11:34 +10:00
termios.h powerpc: use asm-generic/termios.h 2005-11-01 14:36:55 +11:00
thread_info.h [PATCH] ppc64: support 64k pages 2005-11-06 16:56:47 -08:00
time.h merge filename and modify references to iseries/hv_call.h 2005-11-01 16:59:20 +11:00
timex.h [PATCH] ppc32: Fix timekeeping 2005-10-12 08:24:47 -07:00
tlb.h powerpc: merge tlb.h 2005-11-04 10:20:27 +11:00
tlbflush.h [PATCH] ppc64: support 64k pages 2005-11-06 16:56:47 -08:00
topology.h [PATCH] powerpc: Fix typo in topology.h 2005-11-18 13:18:11 +11:00
types.h [PATCH] ppc64: make dma_addr_t 64 bits 2005-10-27 16:45:50 +10:00
uaccess.h [PATCH] powerpc: Consolidate asm compatibility macros 2005-11-10 13:10:38 +11:00
ucontext.h powerpc: merge ucontext.h 2005-11-03 16:59:17 +11:00
udbg.h [PATCH] powerpc: Move udbg code to arch/powerpc 2005-11-11 22:23:34 +11:00
unaligned.h [PATCH] powerpc: Standardize on _ASM_POWERPC header symbol prefix 2005-09-09 22:11:34 +10:00
uninorth.h powerpc: Merge various powermac-related header files. 2005-10-20 20:53:39 +10:00
unistd.h Merge ../linux-2.6 by hand 2005-10-31 13:37:12 +11:00
user.h [PATCH] powerpc: Merge a few more include files 2005-09-09 22:11:35 +10:00
vdso.h [PATCH] powerpc: Make the vDSO functions set error code (#2) 2005-11-16 14:05:11 +11:00
vdso_datapage.h [PATCH] powerpc: vdso fixes (take #2) 2005-11-14 16:35:58 +11:00
vga.h [PATCH] powerpc: Merge asm-ppc*/vga.h 2005-09-21 19:21:09 +10:00
vio.h powerpc: Add a shutdown member to vio_driver 2005-10-24 17:40:23 +10:00
xmon.h powerpc: Simplify and clean up the xmon terminal I/O 2005-11-08 22:55:08 +11:00
xor.h [PATCH] Move the identical files from include/asm-ppc{,64} 2005-08-30 13:32:05 +10:00