x86/pci/dma: Fix gfp flags for coherent DMA memory allocation
authorJunichi Nomura <j-nomura@ce.jp.nec.com>
Mon, 14 Sep 2015 07:38:36 +0000 (07:38 +0000)
committerThomas Gleixner <tglx@linutronix.de>
Thu, 17 Sep 2015 14:22:11 +0000 (16:22 +0200)
commit590f07874e8e3c83729b919312c65aea2533c8cf
treee79e7338f0f3186d386ee5f4cae3c13636354795
parent6ff33f3902c3b1c5d0db6b1e2c70b6d76fba357f
x86/pci/dma: Fix gfp flags for coherent DMA memory allocation

Commit 6894258eda2f reversed the order of gfp_flags adjustment in
dma_alloc_attrs() for x86 [arch/x86/kernel/pci-dma.c] As a result,
relevant flags set by dma_alloc_coherent_gfp_flags() are just
discarded and cause coherent DMA memory allocation failure on some
devices.

Fixes: 6894258eda2f ("dma-mapping: consolidate dma_{alloc,free}_{attrs,coherent}")
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Tested-by: Tony Luck <tony.luck@intel.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Link: http://lkml.kernel.org/r/20150914073834.GA13077@xzibit.linux.bs1.fc.nec.co.jp
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/kernel/pci-dma.c