From fee874eec9933d1eaaf8fe19a0a51202604ba06b Mon Sep 17 00:00:00 2001 From: Thomas Schwinge Date: Tue, 22 Feb 2011 09:48:31 +0100 Subject: hurd/faq/smp -> faq/smp. This is a general GNU/Hurd system question. --- faq/smp.mdwn | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 faq/smp.mdwn (limited to 'faq') 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). -- cgit v1.3.1 From dfdadffe1bcb75057b77928391c65ed4a52aaa6a Mon Sep 17 00:00:00 2001 From: Thomas Schwinge Date: Tue, 22 Feb 2011 09:51:54 +0100 Subject: faq/smp: More links to Open Issues. --- faq/smp.mdwn | 3 +++ 1 file changed, 3 insertions(+) (limited to 'faq') diff --git a/faq/smp.mdwn b/faq/smp.mdwn index af748454..f3c793d8 100644 --- a/faq/smp.mdwn +++ b/faq/smp.mdwn @@ -23,3 +23,6 @@ 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). + +Once this issue is solved, there are follow-up issues about +[[open_issues/multiprocessing]] and [[open_issues/multithreading]]. -- cgit v1.3.1 From cee2f069091f1fabc431ee3edfa872c2c0047a68 Mon Sep 17 00:00:00 2001 From: jd823592 Date: Fri, 25 Feb 2011 20:43:50 +0000 Subject: typo --- faq/smp.mdwn | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'faq') diff --git a/faq/smp.mdwn b/faq/smp.mdwn index f3c793d8..e95edcd2 100644 --- a/faq/smp.mdwn +++ b/faq/smp.mdwn @@ -22,7 +22,7 @@ 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). +That is why for now GNU/Hurd will only use one logical processor (i.e. one core or one thread, depending on the socket type). Once this issue is solved, there are follow-up issues about [[open_issues/multiprocessing]] and [[open_issues/multithreading]]. -- cgit v1.3.1