From b6a9501658530d8b8374e37f1edb549039a8a260 Mon Sep 17 00:00:00 2001 From: Huang Ying Date: Wed, 13 Jul 2011 13:14:19 +0800 Subject: ACPI, APEI, GHES, Support disable GHES at boot time Some machine may have broken firmware so that GHES and firmware first mode should be disabled. This patch adds support to that. Signed-off-by: Huang Ying Reviewed-by: Andi Kleen Reviewed-by: Matthew Garrett Signed-off-by: Len Brown --- include/acpi/apei.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/acpi') diff --git a/include/acpi/apei.h b/include/acpi/apei.h index e67b523a50e..d40bc5521fc 100644 --- a/include/acpi/apei.h +++ b/include/acpi/apei.h @@ -18,6 +18,7 @@ extern int hest_disable; extern int erst_disable; +extern int ghes_disable; #ifdef CONFIG_ACPI_APEI void __init acpi_hest_init(void); -- cgit v1.2.3 From a7e09d450b2e0b068e850d103b6ee1af537d1910 Mon Sep 17 00:00:00 2001 From: Len Brown Date: Sat, 16 Jul 2011 18:14:21 -0400 Subject: ACPI: APEI build fix as GHES is optional... When # CONFIG_ACPI_APEI_GHES is not set: (.init.text+0x4c22): undefined reference to `ghes_disable' Reported-by: Randy Dunlap Acked-by: Randy Dunlap Signed-off-by: Len Brown --- drivers/acpi/bus.c | 2 -- include/acpi/apei.h | 4 ++++ 2 files changed, 4 insertions(+), 2 deletions(-) (limited to 'include/acpi') diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 43ce3b0c492..437ddbf0c49 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -544,10 +544,8 @@ static void acpi_bus_osc_support(void) capbuf[OSC_SUPPORT_TYPE] |= OSC_SB_PPC_OST_SUPPORT; #endif -#ifdef CONFIG_ACPI_APEI_GHES if (!ghes_disable) capbuf[OSC_SUPPORT_TYPE] |= OSC_SB_APEI_SUPPORT; -#endif if (ACPI_FAILURE(acpi_get_handle(NULL, "\\_SB", &handle))) return; if (ACPI_SUCCESS(acpi_run_osc(handle, &context))) { diff --git a/include/acpi/apei.h b/include/acpi/apei.h index d40bc5521fc..51a527d24a8 100644 --- a/include/acpi/apei.h +++ b/include/acpi/apei.h @@ -18,7 +18,11 @@ extern int hest_disable; extern int erst_disable; +#ifdef CONFIG_ACPI_APEI_GHES extern int ghes_disable; +#else +#define ghes_disable 1 +#endif #ifdef CONFIG_ACPI_APEI void __init acpi_hest_init(void); -- cgit v1.2.3