Re: [PATCH] tracing: Have all levels of checks prevent recursion

On Fri, 15 Oct 2021 20:24:59 +0200
Peter Zijlstra [off-list ref] wrote:

quoted

@@ -206,11 +206,7 @@ DEFINE_OUTPUT_COPY(__output_copy_user, arch_perf_out_copy_user)
 static inline int get_recursion_context(int *recursion)
 {
 	unsigned int pc = preempt_count();  

Although I think we can do without that ^ line as well :-)

Ah, I could have sworn I deleted it. Oh well, will make a proper patch set.

Thanks!

-- Steve

quoted

-	unsigned char rctx = 0;