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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-04-14 19:53:39 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-04-14 19:53:39 +0200
commita00fcbc115f9c934fe92e96358a7f392bb5549f0 (patch)
tree6733e44bb7efc8b49772f080c906ccd90b274008 /arch/s390/kernel/dumpstack.c
parent4ce535ec0084f0d712317cb99d383cad3288e713 (diff)
parentd434405aaab7d0ebc516b68a8fc4100922d7f5ef (diff)
Merge tag 'v5.12-rc7' into driver-core-next
We need the driver core fix in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/s390/kernel/dumpstack.c')
-rw-r--r--arch/s390/kernel/dumpstack.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/s390/kernel/dumpstack.c b/arch/s390/kernel/dumpstack.c
index 0dc4b258b98d..db1bc00229ca 100644
--- a/arch/s390/kernel/dumpstack.c
+++ b/arch/s390/kernel/dumpstack.c
@@ -79,6 +79,15 @@ static bool in_nodat_stack(unsigned long sp, struct stack_info *info)
return in_stack(sp, info, STACK_TYPE_NODAT, top - THREAD_SIZE, top);
}
+static bool in_mcck_stack(unsigned long sp, struct stack_info *info)
+{
+ unsigned long frame_size, top;
+
+ frame_size = STACK_FRAME_OVERHEAD + sizeof(struct pt_regs);
+ top = S390_lowcore.mcck_stack + frame_size;
+ return in_stack(sp, info, STACK_TYPE_MCCK, top - THREAD_SIZE, top);
+}
+
static bool in_restart_stack(unsigned long sp, struct stack_info *info)
{
unsigned long frame_size, top;
@@ -108,7 +117,8 @@ int get_stack_info(unsigned long sp, struct task_struct *task,
/* Check per-cpu stacks */
if (!in_irq_stack(sp, info) &&
!in_nodat_stack(sp, info) &&
- !in_restart_stack(sp, info))
+ !in_restart_stack(sp, info) &&
+ !in_mcck_stack(sp, info))
goto unknown;
recursion_check: