Messages in this thread Patch in this message | | | From | Heiko Carstens <> | Subject | [PATCH 2/4] s390: make STACK_FRAME_OVERHEAD available via asm-offsets.h | Date | Tue, 12 Oct 2021 15:38:00 +0200 |
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Make STACK_FRAME_OVERHEAD available via asm-offsets.h. This allows to add s390 specific asm code to e.g. ftrace samples, without requiring to add random header files, which might cause all sort of problems on other architectures. asm-offsets.h can be assumed to be non-problematic.
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com> Reviewed-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> --- arch/s390/kernel/asm-offsets.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c index b57da9338588..b6ee3fd7fe0c 100644 --- a/arch/s390/kernel/asm-offsets.c +++ b/arch/s390/kernel/asm-offsets.c @@ -45,6 +45,7 @@ int main(void) OFFSET(__SF_SIE_SAVEAREA, stack_frame, empty1[2]); OFFSET(__SF_SIE_REASON, stack_frame, empty1[3]); OFFSET(__SF_SIE_FLAGS, stack_frame, empty1[4]); + DEFINE(STACK_FRAME_OVERHEAD, sizeof(struct stack_frame)); BLANK(); /* idle data offsets */ OFFSET(__CLOCK_IDLE_ENTER, s390_idle_data, clock_idle_enter); -- 2.25.1
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