From: "H. Peter Anvin" <hpa@zytor.com>
To: "Luiz Fernando N. Capitulino" <lcapitulino@mandriva.com.br>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>,
Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org
Subject: Re: 2.6.{26.2,27-rc} oops on virtualbox
Date: Fri, 22 Aug 2008 11:11:25 -0700 [thread overview]
Message-ID: <48AF014D.8040103@zytor.com> (raw)
In-Reply-To: <20080822142054.403cbdef@doriath.conectiva>
[-- Attachment #1: Type: text/plain, Size: 138 bytes --]
Hi Luiz, two more tests:
1. a small program to run in userspace and tell us what you get;
2. a patch against -linus for testing.
-hpa
[-- Attachment #2: nopl.c --]
[-- Type: text/x-csrc, Size: 263 bytes --]
#include <stdio.h>
int main(void)
{
unsigned int eax, edx;
asm(".byte 0x0f,0x1f,0x84,0x00,0x98,0x98,0x98,0x98,0x92,0x90,0x90,0x90"
: "=a" (eax), "=d" (edx)
: "a" (0x88776655), "d" (0x44332211));
printf("%08x:%08x\n", edx, eax);
return 0;
}
[-- Attachment #3: diff --]
[-- Type: text/plain, Size: 386 bytes --]
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 2763cb3..33193fe 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -157,8 +157,6 @@ static const struct nop {
} noptypes[] = {
{ X86_FEATURE_K8, k8_nops },
{ X86_FEATURE_K7, k7_nops },
- { X86_FEATURE_P4, p6_nops },
- { X86_FEATURE_P3, p6_nops },
{ -1, NULL }
};
next prev parent reply other threads:[~2008-08-22 18:12 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-20 19:29 2.6.{26.2,27-rc} oops on virtualbox Luiz Fernando N. Capitulino
2008-08-21 21:34 ` H. Peter Anvin
2008-08-22 6:42 ` H. Peter Anvin
2008-08-22 6:50 ` Ingo Molnar
2008-08-22 14:39 ` Luiz Fernando N. Capitulino
2008-08-22 15:34 ` Mathieu Desnoyers
2008-08-22 16:29 ` Luiz Fernando N. Capitulino
2008-08-22 16:35 ` Mathieu Desnoyers
2008-08-22 17:20 ` Luiz Fernando N. Capitulino
2008-08-22 18:11 ` H. Peter Anvin [this message]
2008-08-22 19:40 ` Luiz Fernando N. Capitulino
2008-08-22 20:31 ` H. Peter Anvin
2008-08-22 20:55 ` Luiz Fernando N. Capitulino
2008-08-22 20:57 ` Luiz Fernando N. Capitulino
2008-08-22 21:08 ` H. Peter Anvin
2008-08-26 14:18 ` Gerhard Brauer
2008-08-26 14:53 ` Mathieu Desnoyers
2008-08-26 16:09 ` Luiz Fernando N. Capitulino
2008-08-26 16:13 ` Luiz Fernando N. Capitulino
2008-08-26 17:18 ` Mathieu Desnoyers
2008-08-26 17:32 ` H. Peter Anvin
2008-08-26 18:02 ` Luiz Fernando N. Capitulino
2008-08-26 18:15 ` Mathieu Desnoyers
2008-08-26 19:52 ` H. Peter Anvin
2008-08-26 20:34 ` Gerhard Brauer
2008-08-26 20:48 ` Mathieu Desnoyers
2008-08-26 21:25 ` Gerhard Brauer
2008-08-26 21:35 ` Mathieu Desnoyers
2008-08-26 21:51 ` H. Peter Anvin
2008-08-27 0:13 ` Gerhard Brauer
2008-08-27 19:13 ` Luiz Fernando N. Capitulino
2008-08-27 23:33 ` Mathieu Desnoyers
2008-08-28 13:30 ` Luiz Fernando N. Capitulino
2008-08-31 9:29 ` Gerhard Brauer
2008-08-31 13:28 ` Stefan Lippers-Hollmann
2008-08-31 14:03 ` Gerhard Brauer
2008-08-31 14:09 ` Luiz Fernando N. Capitulino
2008-09-21 13:41 ` Gerhard Brauer
2008-09-22 9:51 ` Ingo Molnar
2008-09-24 13:24 ` Luiz Fernando N. Capitulino
2008-08-28 13:50 ` Gerhard Brauer
2008-08-26 19:27 ` Gerhard Brauer
2008-08-26 16:02 ` Luiz Fernando N. Capitulino
2008-08-26 16:40 ` Gerhard Brauer
2008-08-22 17:16 ` H. Peter Anvin
2008-08-22 17:45 ` Mathieu Desnoyers
2008-08-22 17:57 ` H. Peter Anvin
2008-08-22 19:10 ` Luiz Fernando N. Capitulino
2008-08-22 19:14 ` H. Peter Anvin
2008-08-22 19:18 ` H. Peter Anvin
2008-08-22 19:42 ` Luiz Fernando N. Capitulino
2008-08-22 14:28 ` Luiz Fernando N. Capitulino
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