tboot_force_iommu() is only called by the Intel IOMMU driver. Move the helper into that driver. No functional change intended.
Signed-off-by: Lu Baolu <[email protected]> --- include/linux/tboot.h | 2 -- arch/x86/kernel/tboot.c | 15 --------------- drivers/iommu/intel/iommu.c | 14 ++++++++++++++ 3 files changed, 14 insertions(+), 17 deletions(-) diff --git a/include/linux/tboot.h b/include/linux/tboot.h index 5146d2574e85..d2279160ef39 100644 --- a/include/linux/tboot.h +++ b/include/linux/tboot.h @@ -126,7 +126,6 @@ extern void tboot_probe(void); extern void tboot_shutdown(u32 shutdown_type); extern struct acpi_table_header *tboot_get_dmar_table( struct acpi_table_header *dmar_tbl); -extern int tboot_force_iommu(void); #else @@ -136,7 +135,6 @@ extern int tboot_force_iommu(void); #define tboot_sleep(sleep_state, pm1a_control, pm1b_control) \ do { } while (0) #define tboot_get_dmar_table(dmar_tbl) (dmar_tbl) -#define tboot_force_iommu() 0 #endif /* !CONFIG_INTEL_TXT */ diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c index f9af561c3cd4..6eb9c4146f17 100644 --- a/arch/x86/kernel/tboot.c +++ b/arch/x86/kernel/tboot.c @@ -6,7 +6,6 @@ * Copyright (c) 2006-2009, Intel Corporation */ -#include <linux/intel-iommu.h> #include <linux/init_task.h> #include <linux/spinlock.h> #include <linux/export.h> @@ -517,17 +516,3 @@ struct acpi_table_header *tboot_get_dmar_table(struct acpi_table_header *dmar_tb return dmar_tbl; } - -int tboot_force_iommu(void) -{ - if (!tboot_enabled()) - return 0; - - if (no_iommu || dmar_disabled) - pr_warn("Forcing Intel-IOMMU to enabled\n"); - - dmar_disabled = 0; - no_iommu = 0; - - return 1; -} diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 744af407d0da..ea1c3bcd38d5 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -4043,6 +4043,20 @@ static int __init probe_acpi_namespace_devices(void) return 0; } +static __init int tboot_force_iommu(void) +{ + if (!tboot_enabled()) + return 0; + + if (no_iommu || dmar_disabled) + pr_warn("Forcing Intel-IOMMU to enabled\n"); + + dmar_disabled = 0; + no_iommu = 0; + + return 1; +} + int __init intel_iommu_init(void) { int ret = -ENODEV; -- 2.25.1 _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
