From 7781544e7c367d0cae87feb0f0675fd333bfc9d8 Mon Sep 17 00:00:00 2001 From: "Naveen N. Rao" Date: Fri, 19 Jul 2013 09:50:15 -0700 Subject: [PATCH] x86/mce, acpi/apei: Only disable banks listed in HEST if mce is configured 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" Signed-off-by: Naveen N. Rao Signed-off-by: Tony Luck Acked-by: Borislav Petkov Link: http://lkml.kernel.org/r/0129220@agluck-desk.sc.intel.com Signed-off-by: Ingo Molnar --- drivers/acpi/apei/hest.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c index 5020245..f5e37f3 100644 --- a/drivers/acpi/apei/hest.c +++ b/drivers/acpi/apei/hest.c @@ -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; } -- 2.7.4