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authorOlof Johansson <olof@lixom.net>2019-12-05 13:16:58 -0800
committerOlof Johansson <olof@lixom.net>2019-12-05 13:18:54 -0800
commit942e6f8a8314e5550e254519dfba4ccd5170421d (patch)
tree75ec655b440fbc1c454247af38b5596dd8c78de9 /arch/arc/mm/tlbex.S
parent336bab731be76a90291697e51d2aed0ad67d7cb5 (diff)
parentb08baef02b26cf7c2123e4a24a2fa1fb7a593ffb (diff)
downloadlinux-942e6f8a8314e5550e254519dfba4ccd5170421d.tar.bz2
Merge mainline/master into arm/fixes
This brings in the mainline tree right after armsoc contents was merged this release cycle, so that we can re-run savedefconfig, etc. Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arc/mm/tlbex.S')
-rw-r--r--arch/arc/mm/tlbex.S18
1 files changed, 11 insertions, 7 deletions
diff --git a/arch/arc/mm/tlbex.S b/arch/arc/mm/tlbex.S
index c55d95dd2f39..2efaf6ca0c06 100644
--- a/arch/arc/mm/tlbex.S
+++ b/arch/arc/mm/tlbex.S
@@ -122,17 +122,27 @@ ex_saved_reg1:
#else /* ARCv2 */
.macro TLBMISS_FREEUP_REGS
+#ifdef CONFIG_ARC_HAS_LL64
+ std r0, [sp, -16]
+ std r2, [sp, -8]
+#else
PUSH r0
PUSH r1
PUSH r2
PUSH r3
+#endif
.endm
.macro TLBMISS_RESTORE_REGS
+#ifdef CONFIG_ARC_HAS_LL64
+ ldd r0, [sp, -16]
+ ldd r2, [sp, -8]
+#else
POP r3
POP r2
POP r1
POP r0
+#endif
.endm
#endif
@@ -193,7 +203,7 @@ ex_saved_reg1:
lr r2, [efa]
-#ifndef CONFIG_SMP
+#ifdef ARC_USE_SCRATCH_REG
lr r1, [ARC_REG_SCRATCH_DATA0] ; current pgd
#else
GET_CURR_TASK_ON_CPU r1
@@ -282,11 +292,7 @@ ex_saved_reg1:
sr TLBGetIndex, [ARC_REG_TLBCOMMAND]
/* Commit the Write */
-#if (CONFIG_ARC_MMU_VER >= 2) /* introduced in v2 */
sr TLBWriteNI, [ARC_REG_TLBCOMMAND]
-#else
- sr TLBWrite, [ARC_REG_TLBCOMMAND]
-#endif
#else
sr TLBInsertEntry, [ARC_REG_TLBCOMMAND]
@@ -370,9 +376,7 @@ ENTRY(EV_TLBMissD)
;----------------------------------------------------------------
; UPDATE_PTE: Let Linux VM know that page was accessed/dirty
- lr r3, [ecr]
or r0, r0, _PAGE_ACCESSED ; Accessed bit always
- btst_s r3, ECR_C_BIT_DTLB_ST_MISS ; See if it was a Write Access ?
or.nz r0, r0, _PAGE_DIRTY ; if Write, set Dirty bit as well
st_s r0, [r1] ; Write back PTE