Module Name: src Committed By: jym Date: Tue Mar 9 23:12:06 UTC 2010
Modified Files: src/sys/arch/xen/x86: xen_bus_dma.c Log Message: Although Xen's documentation states that the address_bits field is not used by XENMEM_decrease_reservation, it is checked by the hypervisor. In certain circumstances (stack leak), the field could have an improper value, leading to a fail of the hypercall. Set it to 0 ("no addressing restriction") to avoid that. Patch tested by Sam Fourman and h...@. This should fix the rare "failed allocating DMA memory" encountered under NetBSD dom0. Will ask for a pull-up. To generate a diff of this commit: cvs rdiff -u -r1.19 -r1.20 src/sys/arch/xen/x86/xen_bus_dma.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.