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linux/arch/arm/mm
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Konstantin Khlebnikov 7e66cbc93f ARM: 8132/1: LPAE: drop wrong carry flag correction after adding TTBR1_OFFSET 
ARM: LPAE: drop wrong carry flag correction after adding TTBR1_OFFSET

In commit 7fb00c2fca4b6c58be521eb3676cf4b4ba8dde3b ("ARM: 8114/1: LPAE:
load upper bits of early TTBR0/TTBR1") part which fixes carrying in adding
TTBR1_OFFSET to TTRR1 was wrong:

        addls   ttbr1, ttbr1, #TTBR1_OFFSET
        adcls   tmp, tmp, #0

addls doesn't update flags, adcls adds carry from cmp above:

        cmp     ttbr1, tmp                    @ PHYS_OFFSET > PAGE_OFFSET?

Condition 'ls' means carry flag is clear or zero flag is set, thus only one
case is affected: when PHYS_OFFSET == PAGE_OFFSET.

It seems safer to remove this fixup. Bug is here for ages and nobody
complained. Let's fix it separately.

Reported-and-Tested-by: Jassi Brar <jassisinghbrar@gmail.com>

Signed-off-by: Konstantin Khlebnikov <k.khlebnikov@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-09-02 20:55:23 +01:00
..
abort-ev4.S
ARM: entry: data abort: tail-call the main data abort handler
2011-07-02 10:56:11 +01:00
abort-ev4t.S
ARM: entry: data abort: tail-call the main data abort handler
2011-07-02 10:56:11 +01:00
abort-ev5t.S
ARM: entry: data abort: tail-call the main data abort handler
2011-07-02 10:56:11 +01:00
abort-ev5tj.S
ARM: entry: data abort: tail-call the main data abort handler
2011-07-02 10:56:11 +01:00
abort-ev6.S
ARM: 8128/1: abort: don't clear the exclusive monitors
2014-08-27 15:40:12 +01:00
abort-ev7.S
ARM: 8128/1: abort: don't clear the exclusive monitors
2014-08-27 15:40:12 +01:00
abort-lv4t.S
ARM: entry: data abort: ensure r5 is preserved by abort functions
2011-07-02 10:56:12 +01:00
abort-macro.S
ARM: 7088/1: entry: fix wrong parameter name used in do_thumb_abort
2011-09-10 23:39:56 +01:00
abort-nommu.S
ARM: entry: data abort: tail-call the main data abort handler
2011-07-02 10:56:11 +01:00
alignment.c
ARM: alignment: save last kernel aligned fault location
2014-07-18 12:29:06 +01:00
cache-aurora-l2.h
ARM: 7547/4: cache-l2x0: add support for Aurora L2 cache ctrl
2012-11-06 19:47:35 +00:00
cache-fa.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
cache-feroceon-l2.c
ARM: l2c: remove outer_inv_all() method
2014-05-22 16:21:35 +01:00
cache-l2x0.c
Merge branches 'fixes' and 'misc' into for-next
2014-08-05 10:27:13 +01:00
cache-nop.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
cache-tauros2.c
ARM: cache-tauros2: remove ARMv6 code
2014-03-27 02:49:24 +01:00
cache-tauros3.h
ARM: 7922/1: l2x0: add Marvell Tauros3 support
2013-12-29 12:32:47 +00:00
cache-v4.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
cache-v4wb.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
cache-v4wt.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
cache-v6.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
cache-v7.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
cache-xsc3l2.c
ARM: move CP15 definitions to separate header file
2012-03-28 18:30:01 +01:00
context.c
ARM: 7926/1: mm: flesh out and fix the comments in the ASID allocator
2013-12-29 12:46:49 +00:00
copypage-fa.c
arm: remove the second argument of k[un]map_atomic()
2012-03-20 21:48:14 +08:00
copypage-feroceon.c
arm: remove the second argument of k[un]map_atomic()
2012-03-20 21:48:14 +08:00
copypage-v4mc.c
Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm
2012-03-29 16:53:48 -07:00
copypage-v4wb.c
arm: remove the second argument of k[un]map_atomic()
2012-03-20 21:48:14 +08:00
copypage-v4wt.c
arm: remove the second argument of k[un]map_atomic()
2012-03-20 21:48:14 +08:00
copypage-v6.c
Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm
2012-03-29 16:53:48 -07:00
copypage-xsc3.c
arm: remove the second argument of k[un]map_atomic()
2012-03-20 21:48:14 +08:00
copypage-xscale.c
Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm
2012-03-29 16:53:48 -07:00
dma-mapping.c
CMA: generalize CMA reserved area management functionality
2014-08-06 18:01:16 -07:00
dump.c
ARM: 8109/1: mm: Modify pte_write and pmd_write logic for LPAE
2014-07-24 14:27:08 +01:00
extable.c
ARM: 7876/1: clear Thumb-2 IT state on exception handling
2013-11-07 00:15:49 +00:00
fault-armv.c
mm: rename USE_SPLIT_PTLOCKS to USE_SPLIT_PTE_PTLOCKS
2013-11-15 09:32:14 +09:00
fault.c
arch: mm: pass userspace fault flag to generic fault handler
2013-09-12 15:38:01 -07:00
fault.h
ARM: LPAE: Add fault handling support
2011-12-08 10:30:40 +00:00
flush.c
ARM: 8043/1: uprobes need icache flush after xol write
2014-05-25 23:48:45 +01:00
fsr-2level.c
ARM: LPAE: Move the FSR definitions to separate files
2011-12-08 10:30:37 +00:00
fsr-3level.c
ARM: mm: Transparent huge page support for LPAE systems.
2013-06-04 16:52:38 +01:00
highmem.c
ARM: 8031/2: change fixmap mapping region to support 32 CPUs
2014-04-23 11:09:42 +01:00
hugetlbpage.c
hugetlb: restrict hugepage_migration_support() to x86_64
2014-06-04 16:53:51 -07:00
idmap.c
ARM: idmap: add identity mapping usage note
2014-08-02 15:20:26 +01:00
init.c
Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into next
2014-06-05 15:57:04 -07:00
iomap.c
arm/PCI: remove arch pci_flags definition
2012-02-23 20:18:56 -07:00
ioremap.c
ARM: 8060/1: mm: allow sub-architectures to override PCI I/O memory type
2014-06-01 01:15:04 +01:00
Kconfig
ARM: SoC platform changes for 3.17
2014-08-08 11:14:29 -07:00
l2c-common.c
ARM: outer cache: add WARN_ON() to outer_disable()
2014-05-30 00:47:23 +01:00
l2c-l2x0-resume.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
Makefile
ARM: l2c: provide common PL310 early resume code
2014-05-30 00:49:01 +01:00
mm.h
ARM: provide common method to clear bits in CPU control register
2014-06-02 09:20:11 +01:00
mmap.c
ARM: fix booting low-vectors machines
2013-11-30 14:45:31 +00:00
mmu.c
ARM: add comments to the early page table remap code
2014-08-02 08:51:55 +01:00
nommu.c
ARM: 8086/1: Set memblock limit for nommu
2014-06-29 10:29:34 +01:00
pabort-legacy.S
ARM: entry: prefetch abort: tail-call the main prefetch abort handler
2011-07-02 10:56:10 +01:00
pabort-v6.S
ARM: entry: prefetch abort: tail-call the main prefetch abort handler
2011-07-02 10:56:10 +01:00
pabort-v7.S
ARM: entry: prefetch abort: tail-call the main prefetch abort handler
2011-07-02 10:56:10 +01:00
pgd.c
ARM: pgd allocation: retry on failure
2013-12-29 12:36:20 +00:00
proc-arm7tdmi.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-arm9tdmi.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-arm720.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-arm740.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-arm920.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-arm922.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-arm925.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-arm926.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-arm940.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-arm946.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-arm1020.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-arm1020e.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-arm1022.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-arm1026.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-fa526.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-feroceon.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-macros.S
ARM: 7954/1: mm: remove remaining domain support from ARMv6
2014-02-10 11:48:13 +00:00
proc-mohawk.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-sa110.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-sa1100.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-syms.c
ARM: modules: don't export cpu_set_pte_ext when !MMU
2013-03-26 09:55:34 +00:00
proc-v6.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-v7-2level.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-v7-3level.S
ARM: 8132/1: LPAE: drop wrong carry flag correction after adding TTBR1_OFFSET
2014-09-02 20:55:23 +01:00
proc-v7.S
ARM: 8110/1: do CPU-specific init for Broadcom Brahma15 cores
2014-07-24 14:27:12 +01:00
proc-v7m.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-xsc3.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
proc-xscale.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
tcm.h
ARM: 7694/1: ARM, TCM: initialize TCM in paging_init(), instead of setup_arch()
2013-04-17 16:53:24 +01:00
tlb-fa.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
tlb-v4.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
tlb-v4wb.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
tlb-v4wbi.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
tlb-v6.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
tlb-v7.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00