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Nicolas Pitre 08e445bd6a [ARM] 5366/1: fix shared memory coherency with VIVT L1 + L2 caches ... When there are multiple L1-aliasing userland mappings of the same physical page, we currently remap each of them uncached, to prevent VIVT cache aliasing issues. (E.g. writes to one of the mappings not being immediately visible via another mapping.) However, when we do this remapping, there could still be stale data in the L2 cache, and an uncached mapping might bypass L2 and go straight to RAM. This would cause reads from such mappings to see old data (until the dirty L2 line is eventually evicted.) This issue is solved by forcing a L2 cache flush whenever the shared page is made L1 uncacheable. Ideally, we would make L1 uncacheable and L2 cacheable as L2 is PIPT. But Feroceon does not support that combination, and the TEX=5 C=0 B=0 encoding for XSc3 doesn't appear to work in practice. Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>		16 years ago
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Kconfig	Merge branch 'for-rmk-realview' of git://linux-arm.org/linux-2.6 into devel	16 years ago
Makefile	[ARM] dma: rename consistent.c to dma-mapping.c	17 years ago
abort-ev4.S	…
abort-ev4t.S	…
abort-ev5t.S	…
abort-ev5tj.S	…
abort-ev6.S	…
abort-ev7.S	[ARM] 5227/1: Add the ENDPROC declarations to the .S files	17 years ago
abort-lv4t.S	…
abort-macro.S	…
abort-nommu.S	[ARM] 5227/1: Add the ENDPROC declarations to the .S files	17 years ago
alignment.c	Merge branch 'omap3-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 into devel	16 years ago
cache-feroceon-l2.c	[ARM] 5329/1: Feroceon: fix feroceon_l2_inv_range	16 years ago
cache-l2x0.c	[ARM] Convert asm/io.h to linux/io.h	17 years ago
cache-v3.S	[ARM] Remove unnecessary mach/hardware.h includes in arch/arm/mm	16 years ago
cache-v4.S	[ARM] Remove unnecessary mach/hardware.h includes in arch/arm/mm	16 years ago
cache-v4wb.S	…
cache-v4wt.S	[ARM] Remove unnecessary mach/hardware.h includes in arch/arm/mm	16 years ago
cache-v6.S	…
cache-v7.S	ARMv7: Add extra barriers for flush_cache_all compressed/head.S	16 years ago
cache-xsc3l2.c	[ARM] xsc3: fix xsc3_l2_inv_range	16 years ago
context.c	Merge branches 'armv7', 'at91', 'misc' and 'omap' into devel	18 years ago
copypage-feroceon.c	[ARM] fix a couple clear_user_highpage assembly constraints	16 years ago
copypage-v3.c	[ARM] fix a couple clear_user_highpage assembly constraints	16 years ago
copypage-v4mc.c	[ARM] fix StrongARM-11x0 page copy implementation	16 years ago
copypage-v4wb.c	[ARM] fix a couple clear_user_highpage assembly constraints	16 years ago
copypage-v4wt.c	[ARM] fix a couple clear_user_highpage assembly constraints	16 years ago
copypage-v6.c	[ARM] clearpage: provide our own clear_user_highpage()	16 years ago
copypage-xsc3.c	[ARM] fix a couple clear_user_highpage assembly constraints	16 years ago
copypage-xscale.c	[ARM] fix a couple clear_user_highpage assembly constraints	16 years ago
discontig.c	mm: move bootmem descriptors definition to a single place	17 years ago
dma-mapping.c	NOMMU: Rename ARM's struct vm_region	16 years ago
extable.c	[ARM] Convert asm/uaccess.h to linux/uaccess.h	17 years ago
fault-armv.c	[ARM] 5366/1: fix shared memory coherency with VIVT L1 + L2 caches	16 years ago
fault.c	Merge branch 'mxc-pu-imxfb' of git://pasiphae.extern.pengutronix.de/git/imx/linux-2.6 into devel	16 years ago
fault.h	…
flush.c	[ARM] cachetype: move definitions to separate header	17 years ago
init.c	[ARM] use asm/sections.h	16 years ago
iomap.c	[ARM] Convert asm/io.h to linux/io.h	17 years ago
ioremap.c	[ARM] fix section-based ioremap	16 years ago
mm.h	[ARM] use asm/sections.h	16 years ago
mmap.c	[ARM] sparse: fix several warnings	17 years ago
mmu.c	[ARM] eliminate NULL test and memset after alloc_bootmem	16 years ago
nommu.c	[ARM] use asm/sections.h	16 years ago
pgd.c	[ARM] remove memzero()	16 years ago
proc-arm6_7.S	[ARM] Don't include asm/elf.h in asm code	17 years ago
proc-arm7tdmi.S	[ARM] Don't include asm/elf.h in asm code	17 years ago
proc-arm9tdmi.S	[ARM] Don't include asm/elf.h in asm code	17 years ago
proc-arm720.S	[ARM] Don't include asm/elf.h in asm code	17 years ago
proc-arm740.S	[ARM] Don't include asm/elf.h in asm code	17 years ago
proc-arm920.S	[ARM] Don't include asm/elf.h in asm code	17 years ago
proc-arm922.S	[ARM] Don't include asm/elf.h in asm code	17 years ago
proc-arm925.S	[ARM] Don't include asm/elf.h in asm code	17 years ago
proc-arm926.S	[ARM] Don't include asm/elf.h in asm code	17 years ago
proc-arm940.S	[ARM] Don't include asm/elf.h in asm code	17 years ago
proc-arm946.S	[ARM] Don't include asm/elf.h in asm code	17 years ago
proc-arm1020.S	[ARM] Don't include asm/elf.h in asm code	17 years ago
proc-arm1020e.S	[ARM] Don't include asm/elf.h in asm code	17 years ago
proc-arm1022.S	[ARM] Don't include asm/elf.h in asm code	17 years ago
proc-arm1026.S	[ARM] Don't include asm/elf.h in asm code	17 years ago
proc-feroceon.S	Merge branch 'for-rmk' of git://git.marvell.com/orion	17 years ago
proc-macros.S	[ARM] Remove MT_DEVICE_IXP2000 and associated definitions	17 years ago
proc-sa110.S	[ARM] Don't include asm/elf.h in asm code	17 years ago
proc-sa1100.S	[ARM] Don't include asm/elf.h in asm code	17 years ago
proc-syms.c	[ARM] 5364/1: allow flush_ioremap_region() to be used from modules	16 years ago
proc-v6.S	Modern processors may need to drain the WB before WFI	16 years ago
proc-v7.S	Merge branch 'for-rmk' of git://linux-arm.org/linux-2.6 into devel	16 years ago
proc-xsc3.S	[ARM] pxa: add base PXA935 support due to CPUID change	16 years ago
proc-xscale.S	[ARM] Don't include asm/elf.h in asm code	17 years ago
tlb-v3.S	…
tlb-v4.S	…
tlb-v4wb.S	…
tlb-v4wbi.S	…
tlb-v6.S	…
tlb-v7.S	[ARM] 5227/1: Add the ENDPROC declarations to the .S files	17 years ago