Messages in this thread Patch in this message | | | From | Christopher Covington <> | Subject | [PATCH v2] arm64: Fix task tracing | Date | Tue, 9 Apr 2013 08:33:34 -0400 |
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For accurate accounting pass contextidr_thread_switch the prev task pointer, since cpu_switch_to has at that point changed the the stack pointer.
Signed-off-by: Christopher Covington <cov@codeaurora.org> --- arch/arm64/kernel/process.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index 0337cdb..a49b25a 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -315,7 +315,7 @@ struct task_struct *__switch_to(struct task_struct *prev, /* the actual thread switch */ last = cpu_switch_to(prev, next); - contextidr_thread_switch(next); + contextidr_thread_switch(prev); return last; } -- Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by the Linux Foundation.
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