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linux/arch/m68k/kernel
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Davidlohr Bueso cd2567b685 m68k: call find_vma with the mmap_sem held in sys_cacheflush() 
Performing vma lookups without taking the mm->mmap_sem is asking for
trouble.  While doing the search, the vma in question can be modified or
even removed before returning to the caller.  Take the lock (shared) in
order to avoid races while iterating through the vmacache and/or rbtree.
In addition, this guarantees that the address space will remain intact
during the CPU flushing.

Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2014-10-09 22:26:02 -04:00
..
.gitignore m68k: Add vmlinux.lds to .gitignore 2009-01-12 20:56:32 +01:00
Makefile m68k: Multi-platform EARLY_PRINTK 2014-05-28 10:10:04 +02:00
asm-offsets.c m68k: Add kexec support 2013-12-08 11:01:47 +01:00
bootinfo_proc.c m68k: Add support to export bootinfo in procfs 2013-12-08 11:01:48 +01:00
dma.c m68k: add support for DMA_BIDIRECTIONAL in dma support functions 2012-07-17 15:49:40 +10:00
early_printk.c m68k/mvme16x: Adopt common boot console 2014-05-28 10:11:53 +02:00
entry.S m68k: Simplify low level interrupt handling code 2013-11-13 20:21:46 +01:00
head.S m68k: Fix boot regression on machines with RAM at non-zero 2014-07-10 09:58:26 +02:00
ints.c m68k: Do not rely on magic indirect includes 2014-03-05 13:28:32 +01:00
irq.c Disintegrate asm/system.h for M68K 2012-03-28 18:30:02 +01:00
m68k_ksyms.c m68k: handle presence of 64bit mul/div instructions cleanly 2011-12-24 21:47:57 +10:00
machine_kexec.c m68k: Add kexec support 2013-12-08 11:01:47 +01:00
module.c module.c: spelling s/postition/position/g 2012-07-20 10:38:35 +02:00
module.lds m68k: runtime patching infrastructure 2007-05-31 07:58:13 -07:00
pcibios.c ARCH: drivers remove __dev* attributes. 2013-01-03 15:57:13 -08:00
process.c m68k: Use generic idle loop 2013-04-08 17:39:26 +02:00
ptrace.c m68k: make syscall_trace_enter/leave exist for non-MMU classic m68k types 2012-06-12 11:58:29 +10:00
relocate_kernel.S m68k: Add kexec support 2013-12-08 11:01:47 +01:00
setup.c m68k: merge m68k and m68knommu arch directories 2011-03-25 14:05:13 +10:00
setup_mm.c m68k: Add support to export bootinfo in procfs 2013-12-08 11:01:48 +01:00
setup_no.c m68k: fix a compiler warning when building for DragonBall 2014-05-26 13:28:36 +10:00
signal.c m68k: Use sigsp() 2014-08-06 13:04:09 +02:00
sun3-head.S m68k: arch/m68k/kernel/sun3-head.S needs <linux/init.h> 2009-04-28 16:07:18 -07:00
sys_m68k.c m68k: call find_vma with the mmap_sem held in sys_cacheflush() 2014-10-09 22:26:02 -04:00
syscalltable.S m68k: Wire up memfd_create 2014-09-01 10:28:00 +02:00
time.c m68k: Export mach_random_get_entropy to modules 2014-07-11 10:37:53 +02:00
traps.c m68k: Convert arch/m68k/kernel/traps.c to pr_*() 2013-12-30 21:01:11 +01:00
vectors.c Disintegrate asm/system.h for M68K 2012-03-28 18:30:02 +01:00
vmlinux-nommu.lds m68k: Replace m68k-specific _[se]bss by generic __bss_{start,stop} 2012-06-27 09:59:43 +02:00
vmlinux-std.lds m68k: Replace m68k-specific _[se]bss by generic __bss_{start,stop} 2012-06-27 09:59:43 +02:00
vmlinux-sun3.lds m68k: Replace m68k-specific _[se]bss by generic __bss_{start,stop} 2012-06-27 09:59:43 +02:00
vmlinux.lds.S m68k: use non-MMU linker script for ColdFire MMU builds 2011-12-30 10:20:44 +10:00