Commit 3325732f authored Apr 03, 2013 by Christopher Covington Committed by Catalin Marinas Apr 17, 2013

arm64: Fix task tracing



For accurate accounting call contextidr_thread_switch before a
task is scheduled, rather than after, when the 'next' variable has a
different meaning since we switched the stacks.

Signed-off-by: Christopher Covington <cov@codeaurora.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

parent 5c1ce6f7

arch/arm64/kernel/process.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -311,11 +311,11 @@ struct task_struct __switch_to(struct task_struct prev,
		fpsimd_thread_switch(next);
		tls_thread_switch(next);
		hw_breakpoint_thread_switch(next);
		contextidr_thread_switch(next);

		/* the actual thread switch */
		last = cpu_switch_to(prev, next);

		contextidr_thread_switch(next);
		return last;
		}