linux-kernel - Re: [BUGFIX] ACPI, APEI, Fix building of APEI EINJ and GHES

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Date:	Mon, 10 May 2010 10:50:48 -0600
From:	Bjorn Helgaas <bjorn.helgaas@...com>
To:	Huang Ying <ying.huang@...el.com>
Cc:	Len Brown <lenb@...nel.org>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>
Subject: Re: [BUGFIX] ACPI, APEI, Fix building of APEI EINJ and GHES

On Monday, May 10, 2010 03:24:42 am Huang Ying wrote:
> Randy reported building warnings and errors for APEI EINJ and GHES as follow:
> 
> drivers/acpi/apei/einj.c:127:error: implicit declaration of function 'ndelay'
> 
> ghes.c:(.text+0x119e71): undefined reference to `apei_mce_report_mem_error'
> CONFIG_X86_MCE is not enabled
> 
> This patch fixes these two bugs.
> 
> Reported-by: Randy Dunlap <randy.dunlap@...cle.com>
> Signed-off-by: Huang Ying <ying.huang@...el.com>
> ---
>  drivers/acpi/apei/einj.c |    1 +
>  drivers/acpi/apei/ghes.c |    2 ++
>  2 files changed, 3 insertions(+)

The drivers/acpi/apei directory isn't in Linus' tree yet, so this should
be fixed by reposting the original submission with this change included.
Otherwise, there will be a series of commits that is not bisectable
because of this build failure.

> --- a/drivers/acpi/apei/einj.c
> +++ b/drivers/acpi/apei/einj.c
> @@ -29,6 +29,7 @@
>  #include <linux/init.h>
>  #include <linux/io.h>
>  #include <linux/debugfs.h>
> +#include <linux/delay.h>
>  #include <linux/seq_file.h>
>  #include <linux/nmi.h>
>  #include <acpi/acpi.h>
> --- a/drivers/acpi/apei/ghes.c
> +++ b/drivers/acpi/apei/ghes.c
> @@ -242,6 +242,7 @@ static void ghes_do_proc(struct ghes *gh
>  
>  	ser = ghes_severity(ghes->estatus->error_severity);
>  	apei_estatus_for_each_section(ghes->estatus, gdata) {
> +#ifdef CONFIG_X86_MCE
>  		if (!uuid_le_cmp(*(uuid_le *)gdata->section_type,
>  				 CPER_SEC_PLATFORM_MEM)) {
>  			apei_mce_report_mem_error(
> @@ -249,6 +250,7 @@ static void ghes_do_proc(struct ghes *gh
>  				(struct cper_sec_mem_err *)(gdata+1));
>  			processed = 1;
>  		}
> +#endif
>  	}
>  
>  	if (!processed && printk_ratelimit())
> 
> 
> --
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