x86: UV fix uv_flush_send_and_wait()
authorCliff Wickman <cpw@sgi.com>
Thu, 29 Jan 2009 21:35:26 +0000 (15:35 -0600)
committerTejun Heo <tj@kernel.org>
Sat, 31 Jan 2009 05:23:37 +0000 (14:23 +0900)
commit2749ebe320ff9f77548d10fcc0a3464ac21c8e58
tree7e98443ca362b3270eb958c7213a54c6bad203bd
parent3ac6cffea4aa18007a454a7442da2855882f403d
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>
arch/x86/kernel/tlb_uv.c