linux-kernel - Re: [ 44/85] ACPI: export symbol acpi_get_table_with

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Message-ID: <1347675555.13258.95.camel@deadeye.wl.decadent.org.uk>
Date:	Sat, 15 Sep 2012 03:19:15 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	Alex Deucher <alexander.deucher@....com>
Subject: Re: [ 44/85] ACPI: export symbol acpi_get_table_with_size

On Wed, 2012-09-12 at 16:36 -0700, Greg Kroah-Hartman wrote:
> From: Greg KH <gregkh@...uxfoundation.org>
> 
> 3.4-stable review patch.  If anyone has any objections, please let me know.
> 
> ------------------
> 
> From: Alex Deucher <alexander.deucher@....com>
> 
> commit 4f81f986761a7663db7d24d24cd6ae68008f1fc2 upstream.
> 
> We need it in the radeon drm module to fetch
> and verify the vbios image on UEFI systems.

Same as for 3.0, this seems pointless without the dependent radeon
changes:

268ba0a drm/radeon: implement ACPI VFCT vbios fetch (v3)
7c3906d drm/radeon: convert radeon vfct code to use acpi_get_table_with_size
c61e277 drm/radeon: split ATRM support out from the ATPX handler (v3)

(For 3.2 I also needed these fixes from 3.3:

a3f83ab drm/radeon: fix invalid memory access in radeon_atrm_get_bios()
211fa4f drm/radeon: finish getting bios earlier
de47a9c drm/radeon: fix use after free in ATRM bios reading code.

but I don't know whether those would be sufficient to backport this lot
to 3.0.)

Ben.

> Signed-off-by: Alex Deucher <alexander.deucher@....com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> 
> ---
>  drivers/acpi/acpica/tbxface.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> --- a/drivers/acpi/acpica/tbxface.c
> +++ b/drivers/acpi/acpica/tbxface.c
> @@ -436,6 +436,7 @@ acpi_get_table_with_size(char *signature
>  
>  	return (AE_NOT_FOUND);
>  }
> +ACPI_EXPORT_SYMBOL(acpi_get_table_with_size)
>  
>  acpi_status
>  acpi_get_table(char *signature,
> 
> 
> --
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> 

-- 
Ben Hutchings
Logic doesn't apply to the real world. - Marvin Minsky

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