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SubjectRe: [PATCH 08 of 12] xen-console: add save/restore
Ingo Molnar wrote:
> -tip testing found the following xen-console symbols trouble:
>
> ERROR: "console_drivers" [drivers/video/xen-fbfront.ko] undefined!
> ERROR: "get_phys_to_machine" [drivers/video/xen-fbfront.ko] undefined!
> ERROR: "get_phys_to_machine" [drivers/net/xen-netfront.ko] undefined!
> ERROR: "get_phys_to_machine" [drivers/input/xen-kbdfront.ko] undefined!
>
> with:
>
> http://redhat.com/~mingo/misc/config-Mon_Jun__2_12_26_38_CEST_2008.bad
>
> get_phys_to_machine can indeed be exported but i'm less sure about the
> console_drivers export ... The temporary fix below resolves it for now.
>

Exporting "get_phys_to_machine" is definitely the right thing to do,
though it might be an idea to put it in the xen_ namespace.

The console changes are Markus' territory. Markus?

Thanks,
J

> Ingo
>
> ------------->
> Subject: xen: build fixes
> From: Ingo Molnar <mingo@elte.hu>
> Date: Mon Jun 02 13:13:04 CEST 2008
>
> Signed-off-by: Ingo Molnar <mingo@elte.hu>
> ---
> arch/x86/xen/mmu.c | 1 +
> kernel/printk.c | 2 ++
> 2 files changed, 3 insertions(+)
>
> Index: linux/arch/x86/xen/mmu.c
> ===================================================================
> --- linux.orig/arch/x86/xen/mmu.c
> +++ linux/arch/x86/xen/mmu.c
> @@ -136,6 +136,7 @@ unsigned long get_phys_to_machine(unsign
> idx = p2m_index(pfn);
> return p2m_top[topidx][idx];
> }
> +EXPORT_SYMBOL_GPL(get_phys_to_machine);
>
> static void alloc_p2m(unsigned long **pp, unsigned long *mfnp)
> {
> Index: linux/kernel/printk.c
> ===================================================================
> --- linux.orig/kernel/printk.c
> +++ linux/kernel/printk.c
> @@ -76,6 +76,8 @@ EXPORT_SYMBOL(oops_in_progress);
> static DECLARE_MUTEX(console_sem);
> static DECLARE_MUTEX(secondary_console_sem);
> struct console *console_drivers;
> +EXPORT_SYMBOL_GPL(console_drivers);
> +
> /*
> * This is used for debugging the mess that is the VT code by
> * keeping track if we have the console semaphore held. It's
>



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