Re: [PATCH] x86: correctly wire up the newuname system call

From: Andy Isaacson
Date: Tue Apr 20 2010 - 10:50:18 EST


On Tue, Apr 20, 2010 at 05:31:02AM +0200, Christoph Hellwig wrote:
> Before commit e28cbf22933d0c0ccaf3c4c27a1a263b41f73859 64-bit x86 had
> a private implementation of sys_uname which was just called sys_uname,
> which other architectures used for the old uname. Due to some merge
> issues with the uname refactoring patches we ended up calling the
> old uname version for both the old and new system call slots, which
> lead to the domainname filed never be set which caused failures with
^^^^^ field.

> libnss_nis.
>
> Reported-by: Andy Isaacson <adi@xxxxxxxxxxxxx>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
>
> Index: linux-2.6/arch/x86/ia32/ia32entry.S
> ===================================================================
> --- linux-2.6.orig/arch/x86/ia32/ia32entry.S 2010-04-19 20:21:11.919003961 -0700
> +++ linux-2.6/arch/x86/ia32/ia32entry.S 2010-04-19 20:21:19.902005565 -0700
> @@ -626,7 +626,7 @@ ia32_sys_call_table:
> .quad stub32_sigreturn
> .quad stub32_clone /* 120 */
> .quad sys_setdomainname
> - .quad sys_uname
> + .quad sys_newuname

Yes, that's the same patch I arrived at and fixes the issue for me.

Tested-by: Andy Isaacson <adi@xxxxxxxxxxxxx>

Thanks,
-andy
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