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Code
ee146c1c10
linux/arch/openrisc/include/asm
History
Guenter Roeck 2c7a5c5c48 openrisc: Define __ro_after_init to avoid crash 
openrisc qemu tests fail with the following crash.

Unable to handle kernel access at virtual address 0xc0300c34

Oops#: 0001
CPU #: 0
   PC: c016c710    SR: 0000ae67    SP: c1017e04
   GPR00: 00000000 GPR01: c1017e04 GPR02: c0300c34 GPR03: c0300c34
   GPR04: 00000000 GPR05: c0300cb0 GPR06: c0300c34 GPR07: 000000ff
   GPR08: c107f074 GPR09: c0199ef4 GPR10: c1016000 GPR11: 00000000
   GPR12: 00000000 GPR13: c107f044 GPR14: c0473774 GPR15: 07ce0000
   GPR16: 00000000 GPR17: c107ed8a GPR18: 00009600 GPR19: c107f044
   GPR20: c107ee74 GPR21: 00000003 GPR22: c0473770 GPR23: 00000033
   GPR24: 000000bf GPR25: 00000019 GPR26: c046400c GPR27: 00000001
   GPR28: c0464028 GPR29: c1018000 GPR30: 00000006 GPR31: ccf37483
     RES: 00000000 oGPR11: ffffffff
     Process swapper (pid: 1, stackpage=c1001960)

     Stack: Stack dump [0xc1017cf8]:
     sp + 00: 0xc1017e04
     sp + 04: 0xc0300c34
     sp + 08: 0xc0300c34
     sp + 12: 0x00000000
...

Bisect points to commit d2ec3f77de ("pty: make ptmx file ops read-only
after init"). Fix by defining __ro_after_init for the openrisc
architecture, similar to parisc.

Fixes: d2ec3f77de ("pty: make ptmx file ops read-only after init")
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Stafford Horne <shorne@gmail.com>
2016-11-06 08:01:12 -08:00
..
bitops OpenRISC: Headers 2011-07-22 18:46:39 +02:00
asm-offsets.h OpenRISC: Headers 2011-07-22 18:46:39 +02:00
bitops.h arch,openrisc: Convert smp_mb__*() 2014-04-18 14:20:40 +02:00
cache.h openrisc: Define __ro_after_init to avoid crash 2016-11-06 08:01:12 -08:00
cpuinfo.h OpenRISC: Headers 2011-07-22 18:46:39 +02:00
delay.h OpenRISC: Headers 2011-07-22 18:46:39 +02:00
dma-mapping.h dma-mapping: always provide the dma_map_ops based implementation 2016-01-20 17:09:18 -08:00
elf.h default SET_PERSONALITY() in linux/elf.h 2013-02-26 02:46:08 -05:00
fixmap.h OpenRISC: Memory management 2011-07-22 18:46:28 +02:00
io.h asm-generic/io.h: remove asm/cacheflush.h include 2012-10-25 16:06:57 +02:00
irq.h openrisc: Get rid of handle_IRQ 2014-09-03 13:11:02 +00:00
irqflags.h OpenRISC: IRQ 2011-07-22 18:46:33 +02:00
Kbuild mm: clean up per architecture MM hook header files 2015-07-17 16:39:53 -07:00
linkage.h OpenRISC: Headers 2011-07-22 18:46:39 +02:00
mmu_context.h OpenRISC: Memory management 2011-07-22 18:46:28 +02:00
mmu.h OpenRISC: Memory management 2011-07-22 18:46:28 +02:00
mutex.h OpenRISC: Headers 2011-07-22 18:46:39 +02:00
page.h openrisc: drop wrongly typed definition of page_to_virt() 2016-04-22 10:08:34 +01:00
pgalloc.h tree wide: get rid of __GFP_REPEAT for order-0 allocations part I 2016-06-24 17:23:52 -07:00
pgtable.h mm: make FIRST_USER_ADDRESS unsigned long on all archs 2015-02-11 17:06:03 -08:00
processor.h exit_thread: remove empty bodies 2016-05-20 17:58:30 -07:00
ptrace.h UAPI: (Scripted) Disintegrate arch/openrisc/include/asm 2012-10-09 09:47:18 +01:00
serial.h OpenRISC: Headers 2011-07-22 18:46:39 +02:00
spinlock.h OpenRISC: Headers 2011-07-22 18:46:39 +02:00
spr_defs.h OpenRISC: Headers 2011-07-22 18:46:39 +02:00
spr.h OpenRISC: Headers 2011-07-22 18:46:39 +02:00
syscall.h ARCH: AUDIT: implement syscall_get_arch for all arches 2014-09-23 16:20:10 -04:00
syscalls.h openrisc: switch to use of generic fork and clone 2012-11-28 23:43:40 -05:00
thread_info.h arch: Remove exec_domain from remaining archs 2015-04-12 21:03:30 +02:00
timex.h OpenRISC: Timekeeping 2011-07-22 18:46:32 +02:00
tlb.h OpenRISC: Memory management 2011-07-22 18:46:28 +02:00
tlbflush.h OpenRISC: Memory management 2011-07-22 18:46:28 +02:00
uaccess.h exceptions: detritus removal 2016-09-27 21:15:14 -04:00
unaligned.h OpenRISC: Headers 2011-07-22 18:46:39 +02:00