commit | dd01c75f1df311793de6ef217c72036552000c9a | [log] [tgz] |
---|---|---|
author | Bastian Hecht <bhecht@de.adit-jv.com> | Wed Sep 28 08:51:57 2016 +0100 |
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Wed Sep 28 17:53:16 2016 +0200 |
tree | 0da39cc93ddfb308acd94a627663033a7f421bc2 | |
parent | 9ca5d4fd08d1c560a46ff649221a891065039891 [diff] |
drivers: dma-coherent: Move spinlock in dma_alloc_from_coherent() We don't need to hold the spinlock while zeroing the allocated memory. In case we handle big buffers this is a severe issue as other CPUs might be spinning half a second or longer. Signed-off-by: Bastian Hecht <bhecht@de.adit-jv.com> Signed-off-by: George G. Davis <george_davis@mentor.com> Signed-off-by: Mark Craske <Mark_Craske@mentor.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>