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x86/mce, acpi/apei: Only disable banks listed in HEST if mce is configured

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Randconfig testing found this build error:

 >> hest.c(.init.text+0x6004): undefined reference to 'mce_disable_bank'

Fix by wrapping body of hest_parse_cmc() inside #ifdef
CONFIG_X86_MCE

Reported-by: "Wu, Fengguang" <[email protected]>
Signed-off-by: Naveen N. Rao <[email protected]>
Signed-off-by: Tony Luck <[email protected]>
Acked-by: Borislav Petkov <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Naveen N. Rao 2013-07-19 09:50:15 -07:00 • committed by Ingo Molnar
commit 7781544e7c
1 changed files with 2 additions and 1 deletions
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3
drivers/acpi/apei/hest.c
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@ -128,6 +128,7 @@ EXPORT_SYMBOL_GPL(apei_hest_parse);
*/
static int __init hest_parse_cmc(struct acpi_hest_header *hest_hdr, void *data)
{
#ifdef CONFIG_X86_MCE
int i;
struct acpi_hest_ia_corrected *cmc;
struct acpi_hest_ia_error_bank *mc_bank;
@ -152,7 +153,7 @@ static int __init hest_parse_cmc(struct acpi_hest_header *hest_hdr, void *data)
mc_bank = (struct acpi_hest_ia_error_bank *)(cmc + 1);
for (i = 0; i < cmc->num_hardware_banks; i++, mc_bank++)
mce_disable_bank(mc_bank->bank_number);
#endif
return 1;
}