| From | Andi Kleen <> | Subject | [PATCH] [48/50] x86_64: return correct error code from child_rip in x86_64 entry.S | Date | Sat, 22 Sep 2007 00:32:48 +0200 (CEST) |
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From: Andrey Mirkin <major@openvz.org>
Right now register edi is just cleared before calling do_exit. That is wrong because correct return value will be ignored. Value from rax should be copied to rdi instead of clearing edi.
AK: changed to 32bit move because it's strictly an int
Signed-off-by: Andrey Mirkin <major@openvz.org> Signed-off-by: Andi Kleen <ak@suse.de>
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--- arch/x86_64/kernel/entry.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux/arch/x86_64/kernel/entry.S =================================================================== --- linux.orig/arch/x86_64/kernel/entry.S +++ linux/arch/x86_64/kernel/entry.S @@ -989,7 +989,7 @@ child_rip: movq %rsi, %rdi call *%rax # exit - xorl %edi, %edi + mov %eax, %edi call do_exit CFI_ENDPROC ENDPROC(child_rip) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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