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Date:   Wed, 5 Jun 2019 12:58:15 +0100
From:   Will Deacon <>
To:     Anders Roxell <>
Subject: Re: [PATCH] seqlock: mark raw_read_seqcount and read_seqcount_retry
 as __always_inline

On Mon, Jun 03, 2019 at 11:10:08AM +0200, Anders Roxell wrote:
> If CONFIG_FUNCTION_GRAPH_TRACER is enabled function sched_clock() in
> kernel/time/sched_clock.c is marked as notrace. However, functions
> raw_read_seqcount and read_seqcount_retry are marked as inline. If
> CONFIG_OPTIMIZE_INLINING is set that will make the two functions
> tracable which they shouldn't.

Might be nice to elaborate a bit here on what goes from specifically for
seqlocks. I assume something ends up going recursive thanks to the tracing

With that:

Acked-by: Will Deacon <>


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