From: Andi Kleen <ak@suse.de>
To: Mikael Pettersson <mikpe@csd.uu.se>
Cc: marcelo@conectiva.com.br, linux-kernel@vger.kernel.org
Subject: [PATCH] Re: [BUG] 2.4.22-rc3 broke x86-64 ia32 emulation?
Date: 24 Aug 2003 15:13:48 +0200 [thread overview]
Message-ID: <p73ad9z5hbn.fsf@oldwotan.suse.de> (raw)
In-Reply-To: <200308241211.h7OCBq7T014859@harpo.it.uu.se.suse.lists.linux.kernel>
Mikael Pettersson <mikpe@csd.uu.se> writes:
> 2.4.22-rc3 appears to have broken x86-64's ia32-emulation.
> Now, whenever I run a 32-bit binary I get general protection
> and a core dump:
Ah, I know what the problem is. It's a side effect of the
interrupt gate fix. This patch should fix it.
Marcelo, can you please apply it? It fixes the 32bit emulation
on x86-64.
------------------
Fix 32bit system call gate.
--- linux/arch/x86_64/kernel/traps.c-o 2003-06-16 13:03:58.000000000 +0200
+++ linux/arch/x86_64/kernel/traps.c 2003-08-20 10:00:11.000000000 +0200
@@ -837,7 +837,7 @@
set_intr_gate(19,&simd_coprocessor_error);
#ifdef CONFIG_IA32_EMULATION
- set_intr_gate(IA32_SYSCALL_VECTOR, ia32_syscall);
+ set_system_gate(IA32_SYSCALL_VECTOR, ia32_syscall);
#endif
/*
-Andi
next parent reply other threads:[~2003-08-24 13:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200308241211.h7OCBq7T014859@harpo.it.uu.se.suse.lists.linux.kernel>
2003-08-24 13:13 ` Andi Kleen [this message]
2003-08-24 16:11 Mikael Pettersson
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