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authorHeiko Carstens <hca@linux.ibm.com>2022-05-30 14:09:24 +0200
committerHeiko Carstens <hca@linux.ibm.com>2022-06-01 12:03:17 +0200
commitf037acb41dc9fc0f00521685b3250226d6f9b437 (patch)
tree64a6dca535df5bef82081c0620eeb91e3cffcad7 /arch/s390/kernel
parents390/uaccess: whitespace cleanup (diff)
downloadlinux-dev-f037acb41dc9fc0f00521685b3250226d6f9b437.tar.xz
linux-dev-f037acb41dc9fc0f00521685b3250226d6f9b437.zip
s390/stack: merge empty stack frame slots
Merge empty1 and empty2 arrays within the stack frame to one single array. This is possible since with commit 42b01a553a56 ("s390: always use the packed stack layout") the alternative stack frame layout is gone. Reviewed-by: Nico Boehr <nrb@linux.ibm.com> Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to '')
-rw-r--r--arch/s390/kernel/asm-offsets.c10
-rw-r--r--arch/s390/kernel/perf_event.c2
2 files changed, 6 insertions, 6 deletions
diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c
index 1e37cad44561..0e10d7ff4203 100644
--- a/arch/s390/kernel/asm-offsets.c
+++ b/arch/s390/kernel/asm-offsets.c
@@ -57,11 +57,11 @@ int main(void)
/* stack_frame offsets */
OFFSET(__SF_BACKCHAIN, stack_frame, back_chain);
OFFSET(__SF_GPRS, stack_frame, gprs);
- OFFSET(__SF_EMPTY, stack_frame, empty1[0]);
- OFFSET(__SF_SIE_CONTROL, stack_frame, empty1[1]);
- OFFSET(__SF_SIE_SAVEAREA, stack_frame, empty1[2]);
- OFFSET(__SF_SIE_REASON, stack_frame, empty1[3]);
- OFFSET(__SF_SIE_FLAGS, stack_frame, empty1[4]);
+ OFFSET(__SF_EMPTY, stack_frame, empty[0]);
+ OFFSET(__SF_SIE_CONTROL, stack_frame, empty[1]);
+ OFFSET(__SF_SIE_SAVEAREA, stack_frame, empty[2]);
+ OFFSET(__SF_SIE_REASON, stack_frame, empty[3]);
+ OFFSET(__SF_SIE_FLAGS, stack_frame, empty[4]);
DEFINE(STACK_FRAME_OVERHEAD, sizeof(struct stack_frame));
BLANK();
/* idle data offsets */
diff --git a/arch/s390/kernel/perf_event.c b/arch/s390/kernel/perf_event.c
index a7f8db73984b..e259ff1f5ad3 100644
--- a/arch/s390/kernel/perf_event.c
+++ b/arch/s390/kernel/perf_event.c
@@ -30,7 +30,7 @@ static struct kvm_s390_sie_block *sie_block(struct pt_regs *regs)
if (!stack)
return NULL;
- return (struct kvm_s390_sie_block *)stack->empty1[1];
+ return (struct kvm_s390_sie_block *)stack->empty[1];
}
static bool is_in_guest(struct pt_regs *regs)