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From: Michal Schmidt <xschmi00@stud.feec.vutbr.cz>
To: Ingo Molnar <mingo@elte.hu>
Cc: Parag Warudkar <kernel-stuff@comcast.net>, linux-kernel@vger.kernel.org
Subject: Re: RT patch breaks X86_64 build
Date: Thu, 02 Jun 2005 14:28:22 +0200	[thread overview]
Message-ID: <429EFB66.8030909@stud.feec.vutbr.cz> (raw)
In-Reply-To: <20050601091344.GB11703@elte.hu>

[-- Attachment #1: Type: text/plain, Size: 419 bytes --]

Ingo Molnar wrote:
> indeed it was broken - i fixed x64 LATENCY_TRACE in the -47-16 kernel.

There's a minor bug in it. Syscalls are numbered from zero, so there's 
__NR_syscall_max + 1 of them. Patch attached.
Nonetheless the latency tracing still doesn't work for me on x86_64. It 
compiles but hotplug starts to segfault in an infinite loop during 
booting up. When I disable CONFIG_LATENCY_TRACE, it works.

Michal

[-- Attachment #2: rt-latency-NR_syscalls.diff --]
[-- Type: text/plain, Size: 378 bytes --]

--- linux-RT.mich/kernel/latency.c.orig	2005-06-02 14:16:12.000000000 +0200
+++ linux-RT.mich/kernel/latency.c	2005-06-02 14:15:37.000000000 +0200
@@ -850,7 +850,7 @@ static int notrace l_show_cmdline(struct
 }
 
 #ifdef CONFIG_X86_64
-# define NR_syscalls __NR_syscall_max
+# define NR_syscalls (__NR_syscall_max+1)
 #endif
 
 extern unsigned long sys_call_table[NR_syscalls];

  reply	other threads:[~2005-06-02 12:28 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-31  1:41 RT patch breaks X86_64 build Parag Warudkar
2005-05-31  2:01 ` Parag Warudkar
2005-05-31  6:08   ` Michal Schmidt
2005-05-31 11:53     ` Parag Warudkar
2005-05-31 12:05       ` Michal Schmidt
2005-06-01  9:13         ` Ingo Molnar
2005-06-02 12:28           ` Michal Schmidt [this message]
2005-06-02 12:39             ` Ingo Molnar
2005-06-02 14:13               ` Michal Schmidt
2005-06-02 15:55                 ` Michal Schmidt
2005-06-02 16:17                 ` Ingo Molnar
2005-06-02 16:37                   ` Michal Schmidt
2005-06-02 18:04               ` Michal Schmidt
2005-06-02 18:33                 ` Ingo Molnar
2005-06-02 22:45                   ` Michal Schmidt
2005-06-03  5:18                     ` Ingo Molnar
2005-06-03 11:03                       ` Michal Schmidt
2005-06-02 12:31           ` Michal Schmidt
2005-06-02 12:37             ` Ingo Molnar

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