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| author | Christoph Hellwig <hch@lst.de> | 2018-04-27 09:13:24 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-05-28 12:48:16 +0200 |
| commit | 06e9552f5f12564dc1c3483f0934d96cc4f72f18 (patch) | |
| tree | 48c92eba3b3c1a7e8576fc84159183481e5e2960 /kernel/debug/gdbstub.c | |
| parent | 84564d1c76255ac6d5fb76c85818cb5961fad061 (diff) | |
| download | linux-06e9552f5f12564dc1c3483f0934d96cc4f72f18.tar.gz | |
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>
Diffstat (limited to 'kernel/debug/gdbstub.c')
0 files changed, 0 insertions, 0 deletions