Article View: comp.sys.intel
Article #743i386 GDT question (multi-processor)
From: Andrew Duane
Date: Mon, 22 Oct 1990 19:28
Date: Mon, 22 Oct 1990 19:28
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1089 bytes
We are doing some multi-processor i386 work, and have come across an interesting problem with sharing a GDT between processors. We have a typical GDT set up (3 descriptors: Null, Code, and Data). The first processor runs fine, going all the way into 32-bit protected mode. The sceond processor, however, hangs as soon as we set a segment register (any one seems to do it) to reference the GDT. Loading the GDTR works fine. Question: is there any problem with sharing a GDT between to processors? The Intel books don't imply there is, but ... -- (Sorry, .signature is on a temporarily dead machine) Replies to: duane@samsung.com or uunet!samsung!duane
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!wuarchive!zaphod.mps.ohio-state.edu!samsung!mauve.samsung.com!duane From: duane@mauve.samsung.com (Andrew Duane) Newsgroups: comp.sys.intel Subject: i386 GDT question (multi-processor) Message-ID: <16393@samsung.samsung.com> Date: 22 Oct 90 19:28:12 GMT Sender: news@samsung.COM Reply-To: duane@mauve.samsung.com (Andrew Duane) Organization: Samsung Software America, Inc. Lines: 15