Hi, From: Mike Larkin <mlar...@nested.page> Subject: Re: amd64: update PTDpaddr with new PA of PML4 for libkvm Date: Wed, 13 Feb 2019 01:01:28 -0800
> On Wed, Feb 13, 2019 at 05:40:45PM +0900, Naoki Fukaumi wrote: >> Hi Mike Larkin, >> >> since pmap_kernel is randomized, savecore(libkvm) cannot save core >> dump from dump device. (savecore: magic number mismatch) >> >> updating PTDpaddr fixes this issue. >> >> by the way, is there any problem to use proc0.p_addr->u_pcb.pcb_cr3 >> instead of PTDpaddr in cpu_dump()? >> > > Thanks for noticing this! > > Does using the proc0.p_addr->u_pcb.pcb_cr3 expansion also work? I'll try it. > If so, we may be able to remove PTPpaddr entirely, if we remove the > other usage in cpu_dump also. > > -ml -- FUKAUMI Naoki
