diff options
author | Thomas Schwinge <thomas@schwinge.name> | 2011-02-22 09:48:31 +0100 |
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committer | Thomas Schwinge <thomas@schwinge.name> | 2011-02-22 09:48:31 +0100 |
commit | fee874eec9933d1eaaf8fe19a0a51202604ba06b (patch) | |
tree | b3570194b54d940d6cf9d858dfaee86f00951d6a /faq | |
parent | b811e75bf5f2aff49db783b5ecb0aaa21a4f3a70 (diff) |
hurd/faq/smp -> faq/smp.
This is a general GNU/Hurd system question.
Diffstat (limited to 'faq')
-rw-r--r-- | faq/smp.mdwn | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/faq/smp.mdwn b/faq/smp.mdwn new file mode 100644 index 00000000..af748454 --- /dev/null +++ b/faq/smp.mdwn @@ -0,0 +1,25 @@ +[[!meta copyright="Copyright © 2009, 2011 Free Software Foundation, Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!meta title="Does GNU/Hurd support SMP/Multicore?"]] + +The Hurd servers themselves are multithreaded, so they should be able to take benefit of the parallelism brought by SMP/Multicore boxes. This has however never been tested yet because of the following. + +[[microkernel/Mach]] used to be running on SMP boxes like the [[!wikipedia +Intel_iPSC/860]], so principally has the required infrastructure. It has +however not yet been enhanced to support nowadays' SMP standards like ACPI, +etc. Also, [[GNU Mach|microkernel/mach/gnumach]]'s Linux device driver glue +code likely isn't SMP-safe. As this glue code layer is not used in the +[[microkernel/mach/gnumach/ports/Xen]] port of GNU Mach, the plan is to try it +in this enviroment first. + +[[!tag open_issue_gnumach open_issue_xen]] + +That is why for now GNU/Hurd will only uses one logical processor (i.e. one core or one thread, depending on the socket type). |