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25cbe45440
linux/arch/arm/mm
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Nicolas Pitre 25cbe45440 ARM: fix cache-xsc3l2 after stack based kmap_atomic() 
Since commit 3e4d3af501 "mm: stack based kmap_atomic()", it is actively
wrong to rely on fixed kmap type indices (namely KM_L2_CACHE) as
kmap_atomic() totally ignores them and a concurrent instance of it may
happily reuse any slot for any purpose.  Because kmap_atomic() is now
able to deal with reentrancy, we can get rid of the ad hoc mapping here,
and we even don't have to disable IRQs anymore (highmem case).

While the code is made much simpler, there is a needless cache flush
introduced by the usage of __kunmap_atomic().  It is not clear if the
performance difference to remove that is worth the cost in code
maintenance (I don't think there are that many highmem users on that
platform if at all anyway).

Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2010-12-19 12:57:08 -05:00
..
abort-ev4.S
abort-ev4t.S
abort-ev5t.S
abort-ev5tj.S
abort-ev6.S Add core support for ARMv6/v7 big-endian 2009-05-30 14:00:18 +01:00
abort-ev7.S arm: mm: qsd8x50: Fix incorrect permission faults 2010-05-03 11:15:05 -07:00
abort-lv4t.S
abort-macro.S
abort-nommu.S [ARM] 5227/1: Add the ENDPROC declarations to the .S files 2008-09-01 12:06:34 +01:00
alignment.c ARM: 6401/1: plug a race in the alignment trap handler 2010-09-23 15:17:04 +01:00
cache-fa.S ARM: 6466/1: implement flush_icache_all for the rest of the CPUs 2010-10-28 13:54:28 +01:00
cache-feroceon-l2.c [ARM] Kirkwood: small L2 code cleanup 2009-03-28 22:39:30 -04:00
cache-l2x0.c ARM: l2x0: Optimise the range based operations 2010-10-26 11:40:05 +05:30
cache-tauros2.c ARM: Add Tauros2 L2 cache controller support 2009-11-27 15:43:21 -05:00
cache-v3.S ARM: 6466/1: implement flush_icache_all for the rest of the CPUs 2010-10-28 13:54:28 +01:00
cache-v4.S ARM: 6466/1: implement flush_icache_all for the rest of the CPUs 2010-10-28 13:54:28 +01:00
cache-v4wb.S ARM: 6466/1: implement flush_icache_all for the rest of the CPUs 2010-10-28 13:54:28 +01:00
cache-v4wt.S ARM: 6466/1: implement flush_icache_all for the rest of the CPUs 2010-10-28 13:54:28 +01:00
cache-v6.S ARM: 6535/1: V6 MPCore v6_dma_inv_range and v6_dma_flush_range RWFO fix 2010-12-14 22:23:34 +00:00
cache-v7.S ARM: 6528/1: Use CTR for the I-cache line size on ARMv7 2010-12-12 23:25:58 +00:00
cache-xsc3l2.c ARM: fix cache-xsc3l2 after stack based kmap_atomic() 2010-12-19 12:57:08 -05:00
context.c ARM: 5905/1: ARM: Global ASID allocation on SMP 2010-02-15 21:39:51 +00:00
copypage-fa.c ARM: Gemini: fix compiler error in copypage-fa.c 2010-04-27 12:45:10 +02:00
copypage-feroceon.c ARM: 6164/1: Add kto and kfrom to input operands list. 2010-06-08 19:42:18 +01:00
copypage-v3.c ARM: Pass VMA to copy_user_highpage() implementations 2009-10-05 15:17:45 +01:00
copypage-v4mc.c ARM: 6379/1: Assume new page cache pages have dirty D-cache 2010-09-19 12:17:43 +01:00
copypage-v4wb.c ARM: 6164/1: Add kto and kfrom to input operands list. 2010-06-08 19:42:18 +01:00
copypage-v4wt.c ARM: 6164/1: Add kto and kfrom to input operands list. 2010-06-08 19:42:18 +01:00
copypage-v6.c ARM: 6379/1: Assume new page cache pages have dirty D-cache 2010-09-19 12:17:43 +01:00
copypage-xsc3.c ARM: 6164/1: Add kto and kfrom to input operands list. 2010-06-08 19:42:18 +01:00
copypage-xscale.c ARM: 6379/1: Assume new page cache pages have dirty D-cache 2010-09-19 12:17:43 +01:00
dma-mapping.c ARM: get rid of kmap_high_l1_vipt() 2010-12-19 12:56:46 -05:00
extable.c [ARM] Convert asm/uaccess.h to linux/uaccess.h 2008-09-06 11:35:55 +01:00
fault-armv.c ARM: 6464/2: fix spinlock recursion in adjust_pte() 2010-10-28 13:53:47 +01:00
fault.c ARM: 6355/1: hw-breakpoint: add mechanism for hooking into prefetch aborts 2010-09-08 10:04:59 +01:00
fault.h
flush.c ARM: get rid of kmap_high_l1_vipt() 2010-12-19 12:56:46 -05:00
highmem.c ARM: get rid of kmap_high_l1_vipt() 2010-12-19 12:56:46 -05:00
init.c ARM: memblock: move meminfo into find_limits directly 2010-10-28 13:54:44 +01:00
iomap.c [ARM] Convert asm/io.h to linux/io.h 2008-09-06 12:10:45 +01:00
ioremap.c ARM: avoid annoying <4>'s in printk output 2010-11-23 22:27:55 +00:00
Kconfig ARM: Improve the L2 cache performance when PL310 is used 2010-10-26 11:39:54 +05:30
Makefile ARM: Remove DISCONTIGMEM support 2010-07-16 10:57:35 +01:00
mm.h ARM: Convert platform reservations to use LMB rather than bootmem 2010-07-27 08:48:23 +01:00
mmap.c ARM: implement CONFIG_STRICT_DEVMEM by disabling access to RAM via /dev/mem 2010-10-01 22:31:34 -04:00
mmu.c ARM: memblock: setup lowmem mappings using memblock 2010-10-28 13:54:45 +01:00
nommu.c ARM: Convert platform reservations to use LMB rather than bootmem 2010-07-27 08:48:23 +01:00
pabort-legacy.S ARM: 5727/1: Pass IFSR register to do_PrefetchAbort() 2009-10-02 22:34:32 +01:00
pabort-v6.S ARM: 5727/1: Pass IFSR register to do_PrefetchAbort() 2009-10-02 22:34:32 +01:00
pabort-v7.S ARM: 5727/1: Pass IFSR register to do_PrefetchAbort() 2009-10-02 22:34:32 +01:00
pgd.c mm: remove pte_*map_nested() 2010-10-26 16:52:08 -07:00
proc-arm6_7.S ARM: hotplug cpu: Keep processor information, startup code & __lookup_processor_type 2010-10-08 10:07:32 +01:00
proc-arm7tdmi.S ARM: hotplug cpu: Keep processor information, startup code & __lookup_processor_type 2010-10-08 10:07:32 +01:00
proc-arm9tdmi.S ARM: hotplug cpu: Keep processor information, startup code & __lookup_processor_type 2010-10-08 10:07:32 +01:00
proc-arm720.S ARM: hotplug cpu: Keep processor information, startup code & __lookup_processor_type 2010-10-08 10:07:32 +01:00
proc-arm740.S ARM: hotplug cpu: Keep processor information, startup code & __lookup_processor_type 2010-10-08 10:07:32 +01:00
proc-arm920.S ARM: 6466/1: implement flush_icache_all for the rest of the CPUs 2010-10-28 13:54:28 +01:00
proc-arm922.S ARM: 6466/1: implement flush_icache_all for the rest of the CPUs 2010-10-28 13:54:28 +01:00
proc-arm925.S ARM: 6466/1: implement flush_icache_all for the rest of the CPUs 2010-10-28 13:54:28 +01:00
proc-arm926.S ARM: 6466/1: implement flush_icache_all for the rest of the CPUs 2010-10-28 13:54:28 +01:00
proc-arm940.S ARM: 6466/1: implement flush_icache_all for the rest of the CPUs 2010-10-28 13:54:28 +01:00
proc-arm946.S ARM: 6466/1: implement flush_icache_all for the rest of the CPUs 2010-10-28 13:54:28 +01:00
proc-arm1020.S ARM: 6466/1: implement flush_icache_all for the rest of the CPUs 2010-10-28 13:54:28 +01:00
proc-arm1020e.S ARM: 6466/1: implement flush_icache_all for the rest of the CPUs 2010-10-28 13:54:28 +01:00
proc-arm1022.S ARM: 6466/1: implement flush_icache_all for the rest of the CPUs 2010-10-28 13:54:28 +01:00
proc-arm1026.S ARM: 6466/1: implement flush_icache_all for the rest of the CPUs 2010-10-28 13:54:28 +01:00
proc-fa526.S ARM: hotplug cpu: Keep processor information, startup code & __lookup_processor_type 2010-10-08 10:07:32 +01:00
proc-feroceon.S ARM: 6466/1: implement flush_icache_all for the rest of the CPUs 2010-10-28 13:54:28 +01:00
proc-macros.S ARM: 6528/1: Use CTR for the I-cache line size on ARMv7 2010-12-12 23:25:58 +00:00
proc-mohawk.S ARM: hotplug cpu: Keep processor information, startup code & __lookup_processor_type 2010-10-08 10:07:32 +01:00
proc-sa110.S ARM: hotplug cpu: Keep processor information, startup code & __lookup_processor_type 2010-10-08 10:07:32 +01:00
proc-sa1100.S ARM: hotplug cpu: Keep processor information, startup code & __lookup_processor_type 2010-10-08 10:07:32 +01:00
proc-syms.c ARM: add size argument to __cpuc_flush_dcache_page 2009-12-14 14:53:22 +00:00
proc-v6.S Merge branch 'hotplug' into devel 2010-10-18 22:34:47 +01:00
proc-v7.S ARM: 6501/1: Thumb-2: Correct data alignment for CONFIG_THUMB2_KERNEL in mm/proc-v7.S 2010-11-30 13:44:25 +00:00
proc-xsc3.S ARM: 6466/1: implement flush_icache_all for the rest of the CPUs 2010-10-28 13:54:28 +01:00
proc-xscale.S ARM: 6466/1: implement flush_icache_all for the rest of the CPUs 2010-10-28 13:54:28 +01:00
tlb-fa.S ARM: Add support for FA526 v2 2009-03-25 13:10:01 +02:00
tlb-v3.S
tlb-v4.S
tlb-v4wb.S
tlb-v4wbi.S
tlb-v6.S arm: Use __INIT macro instead of .text.init. 2009-04-27 19:51:58 -07:00
tlb-v7.S ARM: Allow SMP kernels to boot on UP systems 2010-10-04 20:23:36 +01:00
vmregion.c ARM: DMA coherent allocator: align remapped addresses 2010-07-27 10:43:48 +01:00
vmregion.h ARM: DMA coherent allocator: align remapped addresses 2010-07-27 10:43:48 +01:00