linux.git/arch/arc/include/asm/cache.h, branch v3.17 Linux kernel source tree ARC: remove checks for CONFIG_ARC_MMU_V4 2014-06-16T06:04:29+00:00 Paul Bolle pebolle@tiscali.nl 2014-06-11T08:57:50+00:00 230a15f171ba24226486664fc44542b175107ab7 There's no Kconfig symbol ARC_MMU_V4 so the checks for CONFIG_ARC_MMU_V4 will always evaluate to false. Remove them. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Vineet Gupta <vgupta@synopsys.com> 
There's no Kconfig symbol ARC_MMU_V4 so the checks for CONFIG_ARC_MMU_V4
will always evaluate to false. Remove them.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
ARC: Disable caches in early boot if so configured 2014-06-03T09:44:48+00:00 Vineet Gupta vgupta@synopsys.com 2014-03-07T12:38:11+00:00 ef680cdc24376f394841a3f19b3a7ef6d57a009d Requested-by: Noam Camus <noamc@ezchip.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com> 
Requested-by: Noam Camus <noamc@ezchip.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
ARC: cacheflush refactor #2: I and D caches lines to have same size 2013-11-06T05:11:37+00:00 Vineet Gupta vgupta@synopsys.com 2013-09-05T07:47:49+00:00 63d2dfdbf4b12a6993adf5005fd308d611d453d6 Having them be different seems an obscure configuration. Signed-off-by: Vineet Gupta <vgupta@synopsys.com> 
Having them be different seems an obscure configuration.

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
ARC: fix new Section mismatches in build (post __cpuinit cleanup) 2013-09-05T13:49:06+00:00 Vineet Gupta vgupta@synopsys.com 2013-09-05T13:49:06+00:00 07b9b65147d1d7cc03b9ff1e1f3b1c163ba4d067 --------------->8-------------------- WARNING: vmlinux.o(.text+0x708): Section mismatch in reference from the function read_arc_build_cfg_regs() to the function .init.text:read_decode_cache_bcr() WARNING: vmlinux.o(.text+0x702): Section mismatch in reference from the function read_arc_build_cfg_regs() to the function .init.text:read_decode_mmu_bcr() --------------->8-------------------- Signed-off-by: Vineet Gupta <vgupta@synopsys.com> 
--------------->8--------------------
WARNING: vmlinux.o(.text+0x708): Section mismatch in reference from the
function read_arc_build_cfg_regs() to the function
.init.text:read_decode_cache_bcr()

WARNING: vmlinux.o(.text+0x702): Section mismatch in reference from the
function read_arc_build_cfg_regs() to the function
.init.text:read_decode_mmu_bcr()
--------------->8--------------------

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
ARC: cache detection code bitrot 2013-06-22T08:16:43+00:00 Vineet Gupta vgupta@synopsys.com 2013-06-15T04:51:51+00:00 30499186602afa1d62c2e5d354d02214a0ee00b7 * Number of (i|d)cache ways can be retrieved from BCRs and hence no need to cross check with with built-in constants * Use of IS_ENABLED() to check for a Kconfig option * is_not_cache_aligned() not used anymore Signed-off-by: Vineet Gupta <vgupta@synopsys.com> 
* Number of (i|d)cache ways can be retrieved from BCRs and hence no need
  to cross check with with built-in constants
* Use of IS_ENABLED() to check for a Kconfig option
* is_not_cache_aligned() not used anymore

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
ARC: Disintegrate arcregs.h 2013-06-22T08:16:42+00:00 Vineet Gupta vgupta@synopsys.com 2013-05-14T07:58:17+00:00 da1677b02d3ef674dfd8a4ba1ed32153dc717fa2 * Move the various sub-system defines/types into relevant files/functions (reduces compilation time) * move CPU specific stuff out of asm/tlb.h into asm/mmu.h Signed-off-by: Vineet Gupta <vgupta@synopsys.com> 
* Move the various sub-system defines/types into relevant files/functions
  (reduces compilation time)

* move CPU specific stuff out of asm/tlb.h into asm/mmu.h

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
ARC: Use kconfig helper IS_ENABLED() to get rid of defines.h 2013-06-22T08:16:42+00:00 Vineet Gupta vgupta@synopsys.com 2013-06-01T07:25:42+00:00 8235703e103579bdcedadcaf63bc1896f82b191b Signed-off-by: Vineet Gupta <vgupta@synopsys.com> 
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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>