Date: Mon, 2 Jul 2007 07:57:06 -0700 From: Suleiman Souhlal <ssouhlal@FreeBSD.org> To: Takeharu KATO <takeharu1219@ybb.ne.jp> Cc: current@freebsd.org Subject: Re: [PATCH] Machine Check Architecture on amd64 Message-ID: <27D8F2CD-156E-4962-A187-63E42CAE2B6F@FreeBSD.org> In-Reply-To: <4688EBC2.8070703@ybb.ne.jp> References: <46806B3E.2060701@FreeBSD.org> <4688EBC2.8070703@ybb.ne.jp>
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On Jul 2, 2007, at 5:12 AM, Takeharu KATO wrote: > Hi, Souhlal > >> I would appreciate it if someone would try this, especially if you >> have Intel machines with bad RAM. >> Comments are welcome. > > Apparently, the patch does not have memory scrub facility. > Do you have a plan to implement the memory scrub facility like > solaris does? > > P.S. In fact, I was also trying to implement the MCE facility, so I > am interesting to > your patch. While I don't know about Intel CPUs, K8 CPUs from AMD have a hardware DRAM/data cache scrubber, so I didn't bother implementing it, and I don't really plan to, at least in the near future. It should, however, be pretty easy to implement. -- Suleiman
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