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17ebba1fe4
linux_dsm_epyc7002/arch/arm/mm
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Nicolas Pitre 17ebba1fe4 ARM: 6165/1: trap overflows on highmem pages from kmap_atomic when debugging 
When CONFIG_DEBUG_HIGHMEM is used, the fixmap entry used for a highmem page
by kmap_atomic() is always cleared by kunmap_atomic().  This helps find
bad usages such as dereferences after the unmap, or overflow into the
adjacent fixmap areas.

But this debugging aid is completely bypassed when a kmap for the same
page already exists as the kmap is reused instead.  ON VIVT systems we
have no choice but to reuse that kmap due to cache coherency issues,
but on non VIVT systems we should always force the fixmap usage when
debugging is active.

Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-06-08 19:25:50 +01:00
..
abort-ev4.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
abort-ev4t.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
abort-ev5t.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
abort-ev5tj.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
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 [ARM] nommu: abort handler fixup for !CPU_CP15_MMU cores. 2006-09-28 20:15:46 +01:00
abort-macro.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
abort-nommu.S [ARM] 5227/1: Add the ENDPROC declarations to the .S files 2008-09-01 12:06:34 +01:00
alignment.c Merge branch 'devel-stable' into devel 2010-05-17 17:24:04 +01:00
cache-fa.S ARM: dma-mapping: remove dmac_clean_range and dmac_inv_range 2010-02-15 15:22:23 +00:00
cache-feroceon-l2.c [ARM] Kirkwood: small L2 code cleanup 2009-03-28 22:39:30 -04:00
cache-l2x0.c Merge branch 'devel-stable' into devel 2010-05-17 17:24:04 +01:00
cache-tauros2.c ARM: Add Tauros2 L2 cache controller support 2009-11-27 15:43:21 -05:00
cache-v3.S ARM: dma-mapping: remove dmac_clean_range and dmac_inv_range 2010-02-15 15:22:23 +00:00
cache-v4.S ARM: dma-mapping: remove dmac_clean_range and dmac_inv_range 2010-02-15 15:22:23 +00:00
cache-v4wb.S ARM: dma-mapping: remove dmac_clean_range and dmac_inv_range 2010-02-15 15:22:23 +00:00
cache-v4wt.S ARM: dma-mapping: remove dmac_clean_range and dmac_inv_range 2010-02-15 15:22:23 +00:00
cache-v6.S ARM: 6111/1: Implement read/write for ownership in the ARMv6 DMA cache ops 2010-05-08 10:44:30 +01:00
cache-v7.S ARM: 6139/1: ARMv7: Use the Inner Shareable I-cache on MP 2010-05-20 23:52:38 +01:00
cache-xsc3l2.c [ARM] pxa: do not enable L2 after MMU is enabled 2010-01-01 15:50:34 +08:00
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: Flush user mapping on VIVT processors when copying a page 2009-10-05 15:42:16 +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: Pass VMA to copy_user_highpage() implementations 2009-10-05 15:17:45 +01:00
copypage-v4wb.c ARM: Flush user mapping on VIVT processors when copying a page 2009-10-05 15:42:16 +01:00
copypage-v4wt.c ARM: Pass VMA to copy_user_highpage() implementations 2009-10-05 15:17:45 +01:00
copypage-v6.c ARM: 6007/1: fix highmem with VIPT cache and DMA 2010-04-14 11:11:27 +01:00
copypage-xsc3.c ARM: Flush user mapping on VIVT processors when copying a page 2009-10-05 15:42:16 +01:00
copypage-xscale.c ARM: Pass VMA to copy_user_highpage() implementations 2009-10-05 15:17:45 +01:00
discontig.c mm: move bootmem descriptors definition to a single place 2008-07-24 10:47:14 -07:00
dma-mapping.c ARM: 6007/1: fix highmem with VIPT cache and DMA 2010-04-14 11:11:27 +01:00
extable.c [ARM] Convert asm/uaccess.h to linux/uaccess.h 2008-09-06 11:35:55 +01:00
fault-armv.c Merge branch 'devel-stable' into devel 2010-05-17 17:24:04 +01:00
fault.c ARM: 6134/1: Handle instruction cache maintenance fault properly 2010-05-15 15:03:52 +01:00
fault.h [ARM] do_bad_area() always takes current and current->active_mm 2006-09-27 16:13:48 +01:00
flush.c ARM: 6007/1: fix highmem with VIPT cache and DMA 2010-04-14 11:11:27 +01:00
highmem.c ARM: 6165/1: trap overflows on highmem pages from kmap_atomic when debugging 2010-06-08 19:25:50 +01:00
init.c ARM: 6144/1: TCM memory bug freeing bug 2010-05-27 10:36:07 +01:00
iomap.c [ARM] Convert asm/io.h to linux/io.h 2008-09-06 12:10:45 +01:00
ioremap.c ARM: Add caller information to ioremap 2010-02-15 21:39:11 +00:00
Kconfig Merge branch 'devel-stable' into devel 2010-05-17 17:24:04 +01:00
Makefile ARM: Ensure ARMv6/7 mm files are built using appropriate assembler options 2010-01-12 19:02:05 +00:00
mm.h ARM: Move memory mapping into mmu.c 2010-05-15 15:03:49 +01:00
mmap.c fix broken aliasing checks for MAP_FIXED on sparc32, mips, arm and sh 2009-12-11 06:44:59 -05:00
mmu.c Merge branch 'for-linus/samsung4' of git://git.fluff.org/bjdooks/linux 2010-05-19 11:49:33 -07:00
nommu.c ARM: 6106/1: Implement copy_to_user_page() for noMMU 2010-05-08 10:44:22 +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 include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
proc-arm6_7.S ARM: Fix wrong register in proc-arm6_7.S data abort handler 2010-02-03 15:48:03 +00:00
proc-arm7tdmi.S ARM: 5727/1: Pass IFSR register to do_PrefetchAbort() 2009-10-02 22:34:32 +01:00
proc-arm9tdmi.S ARM: 5727/1: Pass IFSR register to do_PrefetchAbort() 2009-10-02 22:34:32 +01:00
proc-arm720.S ARM: 5727/1: Pass IFSR register to do_PrefetchAbort() 2009-10-02 22:34:32 +01:00
proc-arm740.S ARM: 5727/1: Pass IFSR register to do_PrefetchAbort() 2009-10-02 22:34:32 +01:00
proc-arm920.S ARM: dma-mapping: remove dmac_clean_range and dmac_inv_range 2010-02-15 15:22:23 +00:00
proc-arm922.S ARM: dma-mapping: remove dmac_clean_range and dmac_inv_range 2010-02-15 15:22:23 +00:00
proc-arm925.S ARM: dma-mapping: remove dmac_clean_range and dmac_inv_range 2010-02-15 15:22:23 +00:00
proc-arm926.S ARM: dma-mapping: remove dmac_clean_range and dmac_inv_range 2010-02-15 15:22:23 +00:00
proc-arm940.S ARM: dma-mapping: remove dmac_clean_range and dmac_inv_range 2010-02-15 15:22:23 +00:00
proc-arm946.S ARM: dma-mapping: remove dmac_clean_range and dmac_inv_range 2010-02-15 15:22:23 +00:00
proc-arm1020.S ARM: dma-mapping: remove dmac_clean_range and dmac_inv_range 2010-02-15 15:22:23 +00:00
proc-arm1020e.S ARM: dma-mapping: remove dmac_clean_range and dmac_inv_range 2010-02-15 15:22:23 +00:00
proc-arm1022.S ARM: dma-mapping: remove dmac_clean_range and dmac_inv_range 2010-02-15 15:22:23 +00:00
proc-arm1026.S ARM: dma-mapping: remove dmac_clean_range and dmac_inv_range 2010-02-15 15:22:23 +00:00
proc-fa526.S ARM: 5727/1: Pass IFSR register to do_PrefetchAbort() 2009-10-02 22:34:32 +01:00
proc-feroceon.S ARM: dma-mapping: remove dmac_clean_range and dmac_inv_range 2010-02-15 15:22:23 +00:00
proc-macros.S Merge branch 'devel-stable' into devel 2009-09-12 12:02:26 +01:00
proc-mohawk.S ARM: dma-mapping: remove dmac_clean_range and dmac_inv_range 2010-02-15 15:22:23 +00:00
proc-sa110.S ARM: 5727/1: Pass IFSR register to do_PrefetchAbort() 2009-10-02 22:34:32 +01:00
proc-sa1100.S ARM: fix build error in arch/arm/kernel/process.c 2010-04-21 08:45:21 +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 ARM: 5888/1: arm: Update comments in cacheflush.h and remove unnecessary V6 and V7 comments 2010-01-19 23:11:56 +00:00
proc-v7.S ARM: 5888/1: arm: Update comments in cacheflush.h and remove unnecessary V6 and V7 comments 2010-01-19 23:11:56 +00:00
proc-xsc3.S Merge branches 'at91', 'cache', 'cup', 'ep93xx', 'ixp4xx', 'nuc', 'pending-dma-streaming', 'u300' and 'umc' into devel 2010-02-25 22:06:43 +00:00
proc-xscale.S ARM: dma-mapping: remove dmac_clean_range and dmac_inv_range 2010-02-15 15:22:23 +00:00
tlb-fa.S ARM: Add support for FA526 v2 2009-03-25 13:10:01 +02:00
tlb-v3.S kbuild: arm - use generic asm-offsets.h support 2005-09-09 21:08:59 +02:00
tlb-v4.S kbuild: arm - use generic asm-offsets.h support 2005-09-09 21:08:59 +02:00
tlb-v4wb.S kbuild: arm - use generic asm-offsets.h support 2005-09-09 21:08:59 +02:00
tlb-v4wbi.S kbuild: arm - use generic asm-offsets.h support 2005-09-09 21:08:59 +02:00
tlb-v6.S arm: Use __INIT macro instead of .text.init. 2009-04-27 19:51:58 -07:00
tlb-v7.S ARM: 6112/1: Use the Inner Shareable I-cache and BTB ops on ARMv7 SMP 2010-05-08 10:44:30 +01:00
vmregion.c ARM: dma-mapping: split out vmregion code from dma coherent mapping code 2009-11-24 17:41:34 +00:00
vmregion.h ARM: dma-mapping: split out vmregion code from dma coherent mapping code 2009-11-24 17:41:34 +00:00