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(parent: 06e9552) | patch
x86/pci-dma: remove the explicit nodac and allowdac option
authorChristoph Hellwig <hch@lst.de>
Fri, 27 Apr 2018 07:31:47 +0000 (09:31 +0200)
committerChristoph Hellwig <hch@lst.de>
Mon, 28 May 2018 10:48:21 +0000 (12:48 +0200)
commit098afd981744061d37eb4d40bc3f755438570afb
treee9086d4732a6c381a03406f4331a8477e2a780a7tree | snapshot
parent06e9552f5f12564dc1c3483f0934d96cc4f72f18commit | diff
x86/pci-dma: remove the explicit nodac and allowdac option

This is something drivers should decide (modulo chipset quirks like
for VIA), which as far as I can tell is how things have been handled
for the last 15 years.

Note that we keep the usedac option for now, as it is used in the wild
to override the too generic VIA quirk.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Documentation/x86/x86_64/boot-options.txt diff | blob | history
arch/x86/kernel/pci-dma.c diff | blob | history
Domain: System / Kernel; Licenses: GPL-2.0;