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SubjectRe: [PATCH] Re: [BUG] 2.4.22-rc3 broke x86-64 ia32 emulation?
On 24 Aug 2003 15:13:48 +0200, Andi Kleen wrote:
>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

Yes that fixed it. Thanks!

/Mikael
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