Christoph Hellwig 311950f8b8 scsi: mptfusion: Don't use GFP_ATOMIC for larger DMA allocations ... The mpt fusion driver still uses the legacy PCI DMA API which hardcodes atomic allocations. This caused the driver to fail to load on some powerpc VMs with incoherent DMA and small memory sizes. Switch to use the modern DMA API and sleeping allocations for large allocations instead. This is not a full cleanup of the PCI DMA API usage yet, but just enough to fix the regression caused by reducing the default atomic pool size. Link: https://lore.kernel.org/r/20200624165724.1818496-1-hch@lst.de Fixes: 3ee06a6d53 ("dma-pool: fix too large DMA pools on medium memory size systems") Reported-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>		2020-06-26 22:51:53 -04:00
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fusion	scsi: mptfusion: Don't use GFP_ATOMIC for larger DMA allocations	2020-06-26 22:51:53 -04:00
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