On 03/20/2018 2:30 AM, kbuild test robot wrote:
>All errors (new ones prefixed by >>):
>
> arch/arm/kernel/entry-common.S: Assembler messages:
>>> arch/arm/kernel/entry-common.S:85: Error: invalid constant (ffffffffb6e00000) after fixup
I'm sorry!
We need to add the fellowing code to solve the upper error:
> git diff
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index b7d0c6c..9b728c5 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -82,7 +82,8 @@ ret_fast_syscall:
str r0, [sp, #S_R0 + S_OFF]! @ save returned r0
disable_irq_notrace @ disable interrupts
ldr r2, [tsk, #TI_ADDR_LIMIT]
- cmp r2, #TASK_SIZE
+ ldr r1, =TASK_SIZE
+ cmp r2, r1
blne addr_limit_check_failed
ldr r1, [tsk, #TI_FLAGS] @ re-check for syscall tracing
tst r1, #_TIF_SYSCALL_WORK | _TIF_WORK_MASK
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