[PATCH] x86: apic: Export symbols for extended interrupt LVT functions

[PATCH] x86: apic: Export symbols for extended interrupt LVT functions

[Robert Richter]

Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 arch/x86/kernel/apic_64.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 5a31a8c..a678e8f 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -209,12 +209,14 @@ u8 setup_APIC_eilvt_mce(u8 vector, u8 msg_type, u8 mask)
 	setup_APIC_eilvt(APIC_EILVT_LVTOFF_MCE, vector, msg_type, mask);
 	return APIC_EILVT_LVTOFF_MCE;
 }
+EXPORT_SYMBOL(setup_APIC_eilvt_mce);
 
 u8 setup_APIC_eilvt_ibs(u8 vector, u8 msg_type, u8 mask)
 {
 	setup_APIC_eilvt(APIC_EILVT_LVTOFF_IBS, vector, msg_type, mask);
 	return APIC_EILVT_LVTOFF_IBS;
 }
+EXPORT_SYMBOL(setup_APIC_eilvt_ibs);
 
 /*
  * Program the next event, relative to now
-- 
1.5.1.6

Re: [PATCH] x86: apic: Export symbols for extended interrupt LVT functions

[Arjan van de Ven]

On Wed,  5 Dec 2007 17:40:14 +0100 (CET)
"Robert Richter" <robert.richter@amd.com> wrote:


which kernel code is using or going to use these export?

> Signed-off-by: Robert Richter <robert.richter@amd.com>
> ---
>  arch/x86/kernel/apic_64.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
> index 5a31a8c..a678e8f 100644
> --- a/arch/x86/kernel/apic_64.c
> +++ b/arch/x86/kernel/apic_64.c
> @@ -209,12 +209,14 @@ u8 setup_APIC_eilvt_mce(u8 vector, u8 msg_type,
> u8 mask) setup_APIC_eilvt(APIC_EILVT_LVTOFF_MCE, vector, msg_type,
> mask); return APIC_EILVT_LVTOFF_MCE;
>  }
> +EXPORT_SYMBOL(setup_APIC_eilvt_mce);
>  
>  u8 setup_APIC_eilvt_ibs(u8 vector, u8 msg_type, u8 mask)
>  {
>  	setup_APIC_eilvt(APIC_EILVT_LVTOFF_IBS, vector, msg_type,
> mask); return APIC_EILVT_LVTOFF_IBS;
>  }
> +EXPORT_SYMBOL(setup_APIC_eilvt_ibs);
>  
>  /*
>   * Program the next event, relative to now


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Re: [PATCH] x86: apic: Export symbols for extended interrupt LVT functions

[Robert Richter]

On 05.12.07 08:51:02, Arjan van de Ven wrote:
> which kernel code is using or going to use these export?

For IBS it is Perfmon. See here:
http://git.kernel.org/?p=linux/kernel/git/eranian/linux-2.6.git;a=commit;h=7caef3e19d17349f869884f5adf7c9823e32ade7

MCE export has been added for consistency reasons to allow modules to
enable MCE.

-Robert

-- 
Advanced Micro Devices, Inc.
Operating System Research Center
email: robert.richter@amd.com