Messages in this thread | | | From | (Eric W. Biederman) | Subject | Re: [RFC PATCH 1/3] Replace paravirt_probe with "platform type" boot header field | Date | Fri, 04 May 2007 10:48:38 -0600 |
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"H. Peter Anvin" <hpa@zytor.com> writes:
> Eric W. Biederman wrote: >> >> Unlikely. Unless we expect that this offset will come in non-zero. >> > > You might have to worry about that. Historically, the "zero-page" was > really just the setup code overwritten, and it's still true for a big > chunk of it. > > One of the major changes in my setup code rewrite is to start out with > an all-zero chunk of memory for this.
Well as long as we are in sync with setup.S we are fine. The issue is people generating the real-mode data from scratch, when using the 32bit entry point.
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