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* [PATCH] h8300: fix PREEMPTION build, TI_PRE_COUNT undefined
@ 2021-02-12  2:16 Randy Dunlap
  0 siblings, 0 replies; only message in thread
From: Randy Dunlap @ 2021-02-12  2:16 UTC (permalink / raw)
  To: linux-kernel
  Cc: Randy Dunlap, kernel test robot, Yoshinori Sato,
	uclinux-h8-devel, Andrew Morton, Thomas Gleixner

Fix a build error for undefined 'TI_PRE_COUNT' by adding it to

h8300-linux-ld: arch/h8300/kernel/entry.o: in function `resume_kernel':
(.text+0x29a): undefined reference to `TI_PRE_COUNT'

Fixes: df2078b8daa7 ("h8300: Low level entry")
Signed-off-by: Randy Dunlap <>
Reported-by: kernel test robot <>
Cc: Yoshinori Sato <>
Cc: Andrew Morton <>
Cc: Thomas Gleixner <>
Possibly due to some Kconfig changes related to PREEMPTION?
I suppose that CONFIG_PREEMPTION hasn't been used much on H8/300.

 arch/h8300/kernel/asm-offsets.c |    3 +++
 1 file changed, 3 insertions(+)

--- lnx-511-rc7.orig/arch/h8300/kernel/asm-offsets.c
+++ lnx-511-rc7/arch/h8300/kernel/asm-offsets.c
@@ -63,6 +63,9 @@ int main(void)
 	OFFSET(TI_FLAGS, thread_info, flags);
 	OFFSET(TI_CPU, thread_info, cpu);
 	OFFSET(TI_PRE, thread_info, preempt_count);
+	DEFINE(TI_PRE_COUNT, offsetof(struct thread_info, preempt_count));
 	return 0;

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2021-02-12  2:16 [PATCH] h8300: fix PREEMPTION build, TI_PRE_COUNT undefined Randy Dunlap

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