[uml-devel] uml-patch-2.6.8.1-1 compilation error

[uml-devel] uml-patch-2.6.8.1-1 compilation error

[Vinay K Nallamothu]

Hi List,

While compiling I got the following error

gcc  -Wall -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -U__i386__ -Ui386 -D__arch_um__ -DSUBARCH=\"i386\" -D_LARGEFILE64_SOURCE   -Iarch/um/include -I/home/nvk/build/linux-2.6.8-uml1/arch/um/kernel/tt/include -I/home/nvk/build/linux-2.6.8-uml1/arch/um/kernel/skas/include -D_GNU_SOURCE -O2 -g -c -o arch/um/kernel/irq_user.o arch/um/kernel/irq_user.c
  CC      arch/um/kernel/ksyms.o
arch/um/kernel/ksyms.c:90: redefinition of `__kcrctab_os_ioctl_generic'
arch/um/kernel/ksyms.c:76: `__kcrctab_os_ioctl_generic' previously defined here
arch/um/kernel/ksyms.c:90: redefinition of `__kstrtab_os_ioctl_generic'
arch/um/kernel/ksyms.c:76: `__kstrtab_os_ioctl_generic' previously defined here
arch/um/kernel/ksyms.c:90: redefinition of `__ksymtab_os_ioctl_generic'
arch/um/kernel/ksyms.c:76: `__ksymtab_os_ioctl_generic' previously defined here


Vinay




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Re: [uml-devel] uml-patch-2.6.8.1-1 compilation error

[Ralph Paßgang]

[-- Attachment #1: Type: text/plain, Size: 2674 bytes --]

Hi Vinay (& list),

I had the same problem compiling a uml kernel 2.6.7 and 2.6.8.1. I took a 
debian kernel-source package and applied the uml-patch for it.

It seems that in ksyms.c "os_ioctl_generic" is declared twice. So I made a 
small patch for this problem.

I attached it as file to my mail, but because it's so short, I copy&paste it 
quite under my post.

It would be nice if a good kernel hacker would take a look at it. The UML 
works for me, but I'm not sure if I solved the problem correctly.

Patch (works for 2.6.7 and 2.6.8 with the uml patch applied):

diff -Naur kernel-source-2.6.7.orig/arch/um/kernel/ksyms.c 
kernel-source-2.6.7/$
--- kernel-source-2.6.7.orig/arch/um/kernel/ksyms.c     2004-08-19 
15:23:52.000$
+++ kernel-source-2.6.7/arch/um/kernel/ksyms.c  2004-08-19 15:26:14.000000000 
+$
@@ -87,7 +87,7 @@
 EXPORT_SYMBOL(os_create_unix_socket);
 EXPORT_SYMBOL(os_connect_socket);
 EXPORT_SYMBOL(os_accept_connection);
-EXPORT_SYMBOL(os_ioctl_generic);
+/* EXPORT_SYMBOL(os_ioctl_generic); */
 EXPORT_SYMBOL(os_rcv_fd);
 EXPORT_SYMBOL(run_helper);
 EXPORT_SYMBOL(start_thread);

--Ralph

Am Samstag 21 August 2004 14:34 schrieb Vinay K Nallamothu:
> Hi List,
>
> While compiling I got the following error
>
> gcc  -Wall -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing
> -fno-common -U__i386__ -Ui386 -D__arch_um__ -DSUBARCH=\"i386\"
> -D_LARGEFILE64_SOURCE   -Iarch/um/include
> -I/home/nvk/build/linux-2.6.8-uml1/arch/um/kernel/tt/include
> -I/home/nvk/build/linux-2.6.8-uml1/arch/um/kernel/skas/include
> -D_GNU_SOURCE -O2 -g -c -o arch/um/kernel/irq_user.o
> arch/um/kernel/irq_user.c CC      arch/um/kernel/ksyms.o
> arch/um/kernel/ksyms.c:90: redefinition of `__kcrctab_os_ioctl_generic'
> arch/um/kernel/ksyms.c:76: `__kcrctab_os_ioctl_generic' previously defined
> here arch/um/kernel/ksyms.c:90: redefinition of
> `__kstrtab_os_ioctl_generic' arch/um/kernel/ksyms.c:76:
> `__kstrtab_os_ioctl_generic' previously defined here
> arch/um/kernel/ksyms.c:90: redefinition of `__ksymtab_os_ioctl_generic'
> arch/um/kernel/ksyms.c:76: `__ksymtab_os_ioctl_generic' previously defined
> here
>
>
> Vinay
>
>
>
>
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[-- Attachment #2: uml-patch-2.6.7-2-fix.diff --]
[-- Type: text/x-diff, Size: 562 bytes --]

diff -Naur kernel-source-2.6.7.orig/arch/um/kernel/ksyms.c kernel-source-2.6.7/arch/um/kernel/ksyms.c
--- kernel-source-2.6.7.orig/arch/um/kernel/ksyms.c	2004-08-19 15:23:52.000000000 +0200
+++ kernel-source-2.6.7/arch/um/kernel/ksyms.c	2004-08-19 15:26:14.000000000 +0200
@@ -87,7 +87,7 @@
 EXPORT_SYMBOL(os_create_unix_socket);
 EXPORT_SYMBOL(os_connect_socket);
 EXPORT_SYMBOL(os_accept_connection);
-EXPORT_SYMBOL(os_ioctl_generic);
+/* EXPORT_SYMBOL(os_ioctl_generic); */
 EXPORT_SYMBOL(os_rcv_fd);
 EXPORT_SYMBOL(run_helper);
 EXPORT_SYMBOL(start_thread);

[uml-devel] Status of SKAS + TLS/NPTL

[Michael Ralston]

Just a quick question...

Wondering what the status of running a SKAS host with a user mode linux
guest with a 2.6.x kernel and Thread-Local-Storage in Libc6...

Does this still crash? If so what needs to be done to get this working?

Michael Ralston
Stral.net

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Re: [uml-devel] Status of SKAS + TLS/NPTL

[BlaisorBlade]

Alle 13:39, domenica 22 agosto 2004, Michael Ralston ha scritto:
> Just a quick question...
>
> Wondering what the status of running a SKAS host with a user mode linux
> guest with a 2.6.x kernel and Thread-Local-Storage in Libc6...
>
> Does this still crash? If so what needs to be done to get this working?
Yes, it still crashes. I'm going to fix only for 2.6 hosts. Basically we need 
to handle the NPTL syscalls by forwarding them to the host. And only 2.6 
hosts can do what's needed. Anyway, if that is a problem we could fix it 
later.
-- 
Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729


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