commit | 06e9552f5f12564dc1c3483f0934d96cc4f72f18 | [log] [tgz] |
---|---|---|
author | Christoph Hellwig <hch@lst.de> | Fri Apr 27 09:13:24 2018 +0200 |
committer | Christoph Hellwig <hch@lst.de> | Mon May 28 12:48:16 2018 +0200 |
tree | 48c92eba3b3c1a7e8576fc84159183481e5e2960 | |
parent | 84564d1c76255ac6d5fb76c85818cb5961fad061 [diff] |
x86/pci-dma: remove the experimental forcesac boot option Limiting the dma mask to avoid PCI (pre-PCIe) DAC cycles while paying the huge overhead of an IOMMU is rather pointless, and this seriously gets in the way of dma mapping work. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>