From: Ingo Molnar <mingo@elte.hu>
To: Vegard Nossum <vegard@peltkore.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [patch] CFS scheduler, -v8
Date: Wed, 2 May 2007 18:41:52 +0200 [thread overview]
Message-ID: <20070502164152.GA2521@elte.hu> (raw)
In-Reply-To: <6734.129.240.220.12.1178110713.squirrel@peltkore.net>
* Vegard Nossum <vegard@peltkore.net> wrote:
> The sys_sched_yield_to() is not callable from userspace on i386
> because it is not part of the syscall table
> (arch/i386/kernel/syscall_table.S). This causes sysenter_entry
> (arch/i386/kernel/entry.S) to use the wrong count for nr_syscalls (320
> instead of 321) and return with -ENOSYS.
oops, indeed - the patch below should fix this. (x86 should really adopt
the nice x86_64 technique of building the syscall table out of the
unistd.h enumeration definitions.)
Ingo
Index: linux/arch/i386/kernel/syscall_table.S
===================================================================
--- linux.orig/arch/i386/kernel/syscall_table.S
+++ linux/arch/i386/kernel/syscall_table.S
@@ -319,3 +319,4 @@ ENTRY(sys_call_table)
.long sys_move_pages
.long sys_getcpu
.long sys_epoll_pwait
+ .long sys_sched_yield_to /* 320 */
next prev parent reply other threads:[~2007-05-02 16:41 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-01 21:22 [patch] CFS scheduler, -v8 Ingo Molnar
2007-05-02 2:57 ` Ting Yang
2007-05-02 5:10 ` Willy Tarreau
2007-05-02 5:30 ` William Lee Irwin III
2007-05-02 10:05 ` Bill Huey
2007-05-02 10:27 ` Ingo Molnar
2007-05-02 17:36 ` Srivatsa Vaddagiri
2007-05-02 17:48 ` William Lee Irwin III
2007-05-02 18:15 ` Ingo Molnar
2007-05-02 18:56 ` William Lee Irwin III
2007-05-02 19:12 ` Ingo Molnar
2007-05-02 19:42 ` William Lee Irwin III
2007-05-03 2:48 ` Ting Yang
2007-05-03 3:18 ` Ting Yang
2007-05-03 10:19 ` Bill Huey
2007-05-02 23:41 ` Ting Yang
2007-05-02 18:42 ` Li, Tong N
2007-05-02 19:10 ` William Lee Irwin III
2007-05-03 3:07 ` Ting Yang
2007-05-03 8:50 ` Ingo Molnar
2007-05-03 14:26 ` Srivatsa Vaddagiri
2007-05-03 15:19 ` Ting Yang
2007-05-03 15:02 ` Ting Yang
2007-05-02 6:37 ` Mike Galbraith
2007-05-02 6:45 ` Ingo Molnar
2007-05-02 8:03 ` Gene Heskett
2007-05-02 8:12 ` Mike Galbraith
2007-05-02 8:48 ` Gene Heskett
2007-05-02 8:13 ` Ingo Molnar
2007-05-02 8:51 ` Gene Heskett
2007-05-02 7:59 ` Mike Galbraith
2007-05-02 8:11 ` Gene Heskett
2007-05-02 10:40 ` Ingo Molnar
2007-05-02 9:08 ` Balbir Singh
2007-05-02 10:05 ` Ingo Molnar
2007-05-02 10:59 ` Balbir Singh
2007-05-02 11:17 ` Ingo Molnar
2007-05-05 8:31 ` Esben Nielsen
2007-05-05 17:44 ` Linus Torvalds
2007-05-06 8:29 ` Ingo Molnar
2007-05-06 8:36 ` Willy Tarreau
2007-05-06 8:52 ` Ingo Molnar
2007-05-06 17:45 ` Linus Torvalds
2007-05-07 11:30 ` Esben Nielsen
2007-05-07 15:55 ` Ingo Molnar
2007-05-07 16:11 ` Linus Torvalds
2007-05-08 0:35 ` Peter Williams
2007-05-08 9:05 ` Esben Nielsen
2007-05-09 0:01 ` Peter Williams
2007-05-10 13:09 ` Pavel Machek
2007-05-11 16:50 ` Linus Torvalds
2007-05-11 19:18 ` Pavel Machek
2007-05-11 19:37 ` Willy Tarreau
2007-05-11 20:53 ` Kevin Bowling
2007-05-07 11:09 ` Esben Nielsen
2007-05-07 16:28 ` Linus Torvalds
2007-05-07 18:39 ` Johannes Stezenbach
2007-05-07 18:55 ` Linus Torvalds
2007-05-08 7:34 ` Esben Nielsen
2007-05-08 9:54 ` Johannes Stezenbach
2007-05-08 10:27 ` Esben Nielsen
2007-05-08 5:36 ` Matt Mackall
2007-05-02 12:58 ` Mark Lord
2007-05-02 12:58 ` Vegard Nossum
2007-05-02 16:41 ` Ingo Molnar [this message]
-- strict thread matches above, loose matches on Subject: below --
2007-05-03 8:20 Zoltan Boszormenyi
2007-05-03 13:02 ` Ingo Molnar
2007-05-03 13:29 ` Damien Wyart
2007-05-03 14:53 ` Srivatsa Vaddagiri
2007-05-03 15:53 ` William Lee Irwin III
2007-05-03 18:44 ` Li, Tong N
2007-05-03 19:52 ` William Lee Irwin III
2007-05-07 14:22 ` Srivatsa Vaddagiri
2007-05-07 20:54 ` Li, Tong N
2007-05-07 0:04 ` Bill Davidsen
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