linux.git/arch/arc/include/asm/cache.h, branch v3.10 Linux kernel source tree ARC: [mm] Aliasing VIPT dcache support 4/4 2013-05-09T16:30:57+00:00 Vineet Gupta vgupta@synopsys.com 2013-05-09T13:50:43+00:00 5bba49f5397c012d873c73860ad7b50c526e613b Enforce congruency of userspace shared mappings Signed-off-by: Vineet Gupta <vgupta@synopsys.com> 
Enforce congruency of userspace shared mappings

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
ARC: Cache Flush Management 2013-02-15T17:45:50+00:00 Vineet Gupta vgupta@synopsys.com 2013-01-18T09:42:19+00:00 95d6976d20a25fa1684f849f26cd3387b5ba7150 * ARC700 has VIPT L1 Caches * Caches don't snoop and are not coherent * Given the PAGE_SIZE and Cache associativity, we don't support aliasing D$ configurations (yet), but do allow aliasing I$ configs Signed-off-by: Vineet Gupta <vgupta@synopsys.com> 
* ARC700 has VIPT L1 Caches
* Caches don't snoop and are not coherent
* Given the PAGE_SIZE and Cache associativity, we don't support aliasing
  D$ configurations (yet), but do allow aliasing I$ configs

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
ARC: Fundamental ARCH data-types/defines 2013-02-11T14:30:34+00:00 Vineet Gupta vgupta@synopsys.com 2013-01-18T09:42:17+00:00 3be80aaef861a60b85a9323462ebb5f623774f7a * L1_CACHE_SHIFT * PAGE_SIZE, PAGE_OFFSET * struct pt_regs, struct user_regs_struct * struct thread_struct, cpu_relax(), task_pt_regs(), start_thread(), ... * struct thread_info, THREAD_SIZE, INIT_THREAD_INFO(), TIF_*, ... * BUG() * ELF_* * Elf_* To disallow user-space visibility into some of the core kernel data-types such as struct pt_regs, #ifdef __KERNEL__ which also makes the UAPI header spit (further patch in the series) to NOT export it to asm/uapi/ptrace.h Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: Jonas Bonn <jonas.bonn@gmail.com> Cc: Al Viro <viro@ZenIV.linux.org.uk> Acked-by: Arnd Bergmann <arnd@arndb.de> 
* L1_CACHE_SHIFT
* PAGE_SIZE, PAGE_OFFSET
* struct pt_regs, struct user_regs_struct
* struct thread_struct, cpu_relax(), task_pt_regs(), start_thread(), ...
* struct thread_info, THREAD_SIZE, INIT_THREAD_INFO(), TIF_*, ...
* BUG()
* ELF_*
* Elf_*

To disallow user-space visibility into some of the core kernel data-types
such as struct pt_regs, #ifdef __KERNEL__ which also makes the UAPI header
spit (further patch in the series) to NOT export it to asm/uapi/ptrace.h

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Jonas Bonn <jonas.bonn@gmail.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Acked-by: Arnd Bergmann <arnd@arndb.de>