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-rw-r--r--arch/mips/kernel/genex.S12
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S
index 7ec9612cb007..ae810da4d499 100644
--- a/arch/mips/kernel/genex.S
+++ b/arch/mips/kernel/genex.S
@@ -215,9 +215,11 @@ NESTED(handle_int, PT_SIZE, sp)
beq t0, t1, 2f
/* Switch to IRQ stack */
- li t1, _IRQ_STACK_SIZE
+ li t1, _IRQ_STACK_START
PTR_ADD sp, t0, t1
+ /* Save task's sp on IRQ stack so that unwinding can follow it */
+ LONG_S s1, 0(sp)
2:
jal plat_irq_dispatch
@@ -325,9 +327,11 @@ NESTED(except_vec_vi_handler, 0, sp)
beq t0, t1, 2f
/* Switch to IRQ stack */
- li t1, _IRQ_STACK_SIZE
+ li t1, _IRQ_STACK_START
PTR_ADD sp, t0, t1
+ /* Save task's sp on IRQ stack so that unwinding can follow it */
+ LONG_S s1, 0(sp)
2:
jalr v0
@@ -519,7 +523,7 @@ NESTED(nmi_handler, PT_SIZE, sp)
BUILD_HANDLER reserved reserved sti verbose /* others */
.align 5
- LEAF(handle_ri_rdhwr_vivt)
+ LEAF(handle_ri_rdhwr_tlbp)
.set push
.set noat
.set noreorder
@@ -538,7 +542,7 @@ NESTED(nmi_handler, PT_SIZE, sp)
.set pop
bltz k1, handle_ri /* slow path */
/* fall thru */
- END(handle_ri_rdhwr_vivt)
+ END(handle_ri_rdhwr_tlbp)
LEAF(handle_ri_rdhwr)
.set push