Linux kernel bug fix: swiotlb: save io_tlb_used to local variable before leaving critical section
Subsystem: kernel (kernel/dma/swiotlb.c)
Bug type: crash, severity: critical
Files changed: kernel/dma/swiotlb.c
Introduced by Dongli Zhang on 2019-04-10 12:53:22 -0400; fixed by Dongli Zhang on 2019-04-12 19:44:46 -0400 (lifetime: 2 days)