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DateWed, 25 May 2011 20:57:25 +0200 (CEST)
FromThomas Gleixner <>
SubjectRe: [RFC][PATCH] ftrace: Add internal recursive checks
On Wed, 25 May 2011, Steven Rostedt wrote:
> +
> + /* Only current can touch these values */
> +#define trace_recursion_inc() (current)->trace_recursion++
> +#define trace_recursion_dec() (current)->trace_recursion--
> + /* Ring buffer has the 10 LSB bits to count */
> +#define trace_recursion_buffer() ((current)->trace_recursion & 0x3ff)
> +#define TRACE_INTERNAL_BIT (1<<11)
> +#define TRACE_GLOBAL_BIT (1<<12)
> +#define trace_recursion_set(bit) (current)->trace_recursion |= (bit)
> +#define trace_recursion_clear(bit) (current)->trace_recursion &= ~(bit)
> +#define trace_recursion_test(bit) ((current)->trace_recursion & (bit))
> +
> #endif /* CONFIG_TRACING */

Bah, these are only used in kernel/trace/. So can you please add them
to a kernel/trace local header file instead of cramming it mindlessly
into task_struct just because you're lazy?

Thanks,

tglx


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