* [GIT PULL] (swiotbl) tiny fix for 5.0rc2
@ 2019-01-17 15:36 Konrad Rzeszutek Wilk
2019-01-17 18:35 ` pr-tracker-bot
0 siblings, 1 reply; 2+ messages in thread
From: Konrad Rzeszutek Wilk @ 2019-01-17 15:36 UTC (permalink / raw)
To: torvalds, linux-kernel, hch
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Hey Linus,
Please pull a tiny fix for v5.0-rc2:
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb.git stable/for-linus-5.0
This fixes an issue with GPU cards not working anymore with the DMA
mapping work Christopher did - as the SWIOTLB is initialized first
and then free-ed (as IOMMU is available) but we forgot to clear our
start and end entries which are used and BOOM.
Thank you!
kernel/dma/swiotlb.c | 2 ++
1 file changed, 2 insertions(+)
Christoph Hellwig (1):
swiotlb: clear io_tlb_start and io_tlb_end in swiotlb_exit
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