Commit 2749ebe3 authored Jan 29, 2009 by Cliff Wickman Committed by Tejun Heo Jan 31, 2009

x86: UV fix uv_flush_send_and_wait()



Impact: fix possible tlb mis-flushing on UV

uv_flush_send_and_wait() should return a pointer if the broadcast
remote tlb shootdown requests fail. That causes the conventional IPI
method of shootdown to be used.

Signed-off-by: Cliff Wickman <cpw@sgi.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

parent 3ac6cffe

arch/x86/kernel/tlb_uv.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -259,7 +259,7 @@ const struct cpumask *uv_flush_send_and_wait(int cpu, int this_blade,
		* the cpu's, all of which are still in the mask.
		*/
		__get_cpu_var(ptcstats).ptc_i++;
		return 0;
		return flush_mask;
		}

		/*