summaryrefslogtreecommitdiffstats
path: root/arch/xtensa/lib/usercopy.S
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2015-11-09 16:32:13 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-11-09 16:32:13 -0800
commit3510ca19a82ba4c6a17af79c1f0448622a406efa (patch)
tree79b9e734100e40f379e9b4c3c50d261c3cdc2fa8 /arch/xtensa/lib/usercopy.S
parente4da7e9a54649d6877ac23828ff93ce7191eae2c (diff)
parentafaa7c542cc9c4d8a99ba252a8ea5e8bc7c897e2 (diff)
downloadop-kernel-dev-3510ca19a82ba4c6a17af79c1f0448622a406efa.zip
op-kernel-dev-3510ca19a82ba4c6a17af79c1f0448622a406efa.tar.gz
Merge tag 'xtensa-20151108' of git://github.com/czankel/xtensa-linux
Pull xtensa updates from Chris Zankel: - fix remaining issues with noMMU cores - fix build for cores w/o cache or zero overhead loop options - fix boot of secondary cores in SMP configuration - add support for DMA to high memory pages - add dma_to_phys and phys_to_dma functions. * tag 'xtensa-20151108' of git://github.com/czankel/xtensa-linux: xtensa: implement dma_to_phys and phys_to_dma xtensa: support DMA to high memory Revert "xtensa: cache inquiry and unaligned cache handling functions" xtensa: drop unused sections and remapped reset handlers xtensa: fix secondary core boot in SMP xtensa: add FORCE_MAX_ZONEORDER to Kconfig xtensa: nommu: provide defconfig for de212 on kc705 xtensa: nommu: xtfpga: add kc705 DTS xtensa: add de212 core variant xtensa: nommu: select HAVE_FUTEX_CMPXCHG xtensa: nommu: fix default memory start address xtensa: nommu: provide correct KIO addresses xtensa: nommu: fix USER_RING definition xtensa: xtfpga: fix integer overflow in TASK_SIZE xtensa: fix build for configs without cache options xtensa: fixes for configs without loop option
Diffstat (limited to 'arch/xtensa/lib/usercopy.S')
-rw-r--r--arch/xtensa/lib/usercopy.S6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/xtensa/lib/usercopy.S b/arch/xtensa/lib/usercopy.S
index ace1892..7ea4dd6 100644
--- a/arch/xtensa/lib/usercopy.S
+++ b/arch/xtensa/lib/usercopy.S
@@ -222,8 +222,8 @@ __xtensa_copy_user:
loopnez a7, .Loop2done
#else /* !XCHAL_HAVE_LOOPS */
beqz a7, .Loop2done
- slli a10, a7, 4
- add a10, a10, a3 # a10 = end of last 16B source chunk
+ slli a12, a7, 4
+ add a12, a12, a3 # a12 = end of last 16B source chunk
#endif /* !XCHAL_HAVE_LOOPS */
.Loop2:
EX(l32i, a7, a3, 4, l_fixup)
@@ -241,7 +241,7 @@ __xtensa_copy_user:
EX(s32i, a9, a5, 12, s_fixup)
addi a5, a5, 16
#if !XCHAL_HAVE_LOOPS
- blt a3, a10, .Loop2
+ blt a3, a12, .Loop2
#endif /* !XCHAL_HAVE_LOOPS */
.Loop2done:
bbci.l a4, 3, .L12
OpenPOWER on IntegriCloud