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linux/arch/blackfin/kernel
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Barry Song e18e7dd334 Blackfin: fix MPU page permission masks overflow when dealing with async memory 
Attempting to use the MPU while doing XIP out of parallel flash hooked up
to the async memory bus would often result in random crashes as the MPU
slowly corrupted memory.

The fallout here is that the async banks gain MPU protection from user
space too.  So any accesses have to go through the mmap() interface rather
than just using hardcoded pointers.

Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-03-09 00:30:46 -05:00
..
cplb-mpu Blackfin: fix MPU page permission masks overflow when dealing with async memory 2010-03-09 00:30:46 -05:00
cplb-nompu Blackfin: NOMPU: skip DMA ICPLB hole when it is redundant 2009-12-15 00:16:54 -05:00
.gitignore Blackfin: ignore generated vmlinux.lds 2009-05-27 00:27:03 -04:00
asm-offsets.c Blackfin: mass clean up of copyright/licensing info 2009-10-07 04:36:26 -04:00
bfin_dma_5xx.c Blackfin: reject NULL callback in set_dma_callback() 2009-12-15 00:15:37 -05:00
bfin_gpio.c Blackfin: bf538: add support for extended GPIO banks 2009-12-15 00:14:05 -05:00
bfin_ksyms.c Blackfin: pull in asm/io.h in ksyms for prototypes 2009-06-18 21:40:44 -04:00
cplbinfo.c Blackfin: cplbinfo: drop d_path() hacks 2009-10-07 04:48:04 -04:00
dma-mapping.c Blackfin: dma-mapping.h: flesh out missing DMA mapping functions 2009-12-15 00:16:01 -05:00
early_printk.c Blackfin: mass clean up of copyright/licensing info 2009-10-07 04:36:26 -04:00
entry.S Blackfin: mass clean up of copyright/licensing info 2009-10-07 04:36:26 -04:00
fixed_code.S Blackfin: mass clean up of copyright/licensing info 2009-10-07 04:36:26 -04:00
flat.c Blackfin: mass clean up of copyright/licensing info 2009-10-07 04:36:26 -04:00
ftrace-entry.S Blackfin: update ftrace for latest toolchain 2009-09-16 22:10:52 -04:00
ftrace.c Blackfin: update ftrace_push_return_trace() breakage 2009-09-16 22:10:47 -04:00
gptimers.c Blackfin: gptimers: use unsigned timer/group ids 2009-12-15 00:15:30 -05:00
init_task.c Blackfin: mass clean up of copyright/licensing info 2009-10-07 04:36:26 -04:00
ipipe.c Blackfin/ipipe: prepare status bitops for SMP support 2009-12-15 00:15:12 -05:00
irqchip.c genirq: Convert irq_desc.lock to raw_spinlock 2009-12-14 23:55:33 +01:00
kgdb.c blackfin,kgdb: Do not put PC in gdb_regs into retx. 2010-01-07 11:58:37 -06:00
kgdb_test.c Blackfin: kgdb_test: clean up code a bit 2009-12-15 00:16:50 -05:00
Makefile Blackfin: add an early shadow console 2009-09-16 21:31:43 -04:00
module.c Blackfin: mass clean up of copyright/licensing info 2009-10-07 04:36:26 -04:00
process.c Blackfin: finish_atomic_sections: optimize the RTS step 2009-12-15 00:15:42 -05:00
ptrace.c Blackfin: drop ptrace() write support for fixed code/bootrom 2009-12-15 00:15:57 -05:00
reboot.c Blackfin arch: bfin_reset->_bfin_reset redirection no longer needed 2009-02-04 16:49:45 +08:00
setup.c Blackfin: fix MPU page permission masks overflow when dealing with async memory 2010-03-09 00:30:46 -05:00
shadow_console.c Blackfin: mass clean up of copyright/licensing info 2009-10-07 04:36:26 -04:00
signal.c Blackfin: add support for TIF_NOTIFY_RESUME 2009-12-15 00:16:52 -05:00
stacktrace.c Blackfin: add preliminary support for STACKTRACE 2009-06-13 07:20:14 -04:00
sys_bfin.c Unify sys_mmap* 2009-12-11 06:44:29 -05:00
time-ts.c Blackfin: convert cyc2ns() to clocksource_cyc2ns() 2009-12-15 00:16:47 -05:00
time.c Blackfin: drop duplicate sched_clock 2009-12-15 00:16:56 -05:00
traps.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin 2009-12-16 10:52:35 -08:00
vmlinux.lds.S Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin 2009-12-16 10:52:35 -08:00