x86 gart: rename CONFIG_IOMMU to CONFIG_GART_IOMMU

This patch renames the IOMMU config option to GART_IOMMU because in fact it
means the GART and not general support for an IOMMU on x86.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Acked-by: Muli Ben-Yehuda <muli@il.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 970b2defe7df3206a7706a39a98c79279866ae04..fbd77b7dfd7f07b12249938287770d7a9c666632 100644 (file)
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -91,7 +91,7 @@ config DOUBLEFAULT
 
 config IOMMU_DEBUG
        bool "Enable IOMMU debugging"
-       depends on IOMMU && DEBUG_KERNEL
+       depends on GART_IOMMU && DEBUG_KERNEL
        depends on X86_64
        help
          Force the IOMMU to on even when you have less than 4GB of

diff --git a/arch/x86/Kconfig.x86_64 b/arch/x86/Kconfig.x86_64
index acb2949dbebc78ad6db888ab70ffd10337343ca8..60ac22769a409f434667f2a58f72a807fd9c4e18 100644 (file)
--- a/arch/x86/Kconfig.x86_64
+++ b/arch/x86/Kconfig.x86_64
@@ -479,7 +479,7 @@ config HPET_EMULATE_RTC
 
 # Mark as embedded because too many people got it wrong.
 # The code disables itself when not needed.
-config IOMMU
+config GART_IOMMU
        bool "GART IOMMU support" if EMBEDDED
        default y
        select SWIOTLB
@@ -687,7 +687,7 @@ source kernel/Kconfig.hz
 
 config K8_NB
        def_bool y
-       depends on AGP_AMD64 || IOMMU || (PCI && NUMA)
+       depends on AGP_AMD64 || GART_IOMMU || (PCI && NUMA)
 
 endmenu
 

diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig
index b091c5e35558c1daedf34688e296c08166f85f60..38a83f9c966ff252be2218a53fae5d65c8b41d24 100644 (file)
--- a/arch/x86/configs/x86_64_defconfig
+++ b/arch/x86/configs/x86_64_defconfig
@@ -170,7 +170,7 @@ CONFIG_HOTPLUG_CPU=y
 CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
 CONFIG_HPET_TIMER=y
 CONFIG_HPET_EMULATE_RTC=y
-CONFIG_IOMMU=y
+CONFIG_GART_IOMMU=y
 # CONFIG_CALGARY_IOMMU is not set
 CONFIG_SWIOTLB=y
 CONFIG_X86_MCE=y

diff --git a/arch/x86/kernel/Makefile_64 b/arch/x86/kernel/Makefile_64
index 466337ae9a1e675e313cf9cc3d9b2e6bd8d37b3f..24671c3838b3bb3e8a4b301be277fcb0ef62d9ee 100644 (file)
--- a/arch/x86/kernel/Makefile_64
+++ b/arch/x86/kernel/Makefile_64
@@ -25,7 +25,7 @@ obj-$(CONFIG_CRASH_DUMP)      += crash_dump_64.o
 obj-$(CONFIG_PM)               += suspend_64.o
 obj-$(CONFIG_HIBERNATION)      += suspend_asm_64.o
 obj-$(CONFIG_EARLY_PRINTK)     += early_printk.o
-obj-$(CONFIG_IOMMU)            += pci-gart_64.o aperture_64.o
+obj-$(CONFIG_GART_IOMMU)       += pci-gart_64.o aperture_64.o
 obj-$(CONFIG_CALGARY_IOMMU)    += pci-calgary_64.o tce_64.o
 obj-$(CONFIG_SWIOTLB)          += pci-swiotlb_64.o
 obj-$(CONFIG_KPROBES)          += kprobes_64.o

diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index 95e0de9a4e4b18e9969689a2b4195c23c31e9fe9..b8265c1ea0d33fc5857f237fbadc433fbc298187 100644 (file)
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -17,13 +17,13 @@
 #include <asm/io_apic.h>
 #include <asm/apic.h>
 
-#ifdef CONFIG_IOMMU
+#ifdef CONFIG_GART_IOMMU
 #include <asm/gart.h>
 #endif
 
 static void __init via_bugs(void)
 {
-#ifdef CONFIG_IOMMU
+#ifdef CONFIG_GART_IOMMU
        if ((end_pfn > MAX_DMA32_PFN ||  force_iommu) &&
            !iommu_aperture_allowed) {
                printk(KERN_INFO

diff --git a/arch/x86/kernel/pci-dma_64.c b/arch/x86/kernel/pci-dma_64.c
index 730339fc00daf475686323c117fa3e94403e4a0b..66b3dc5b3f45a7e0b3bfe0f6f8e2a7acaf12740e 100644 (file)
--- a/arch/x86/kernel/pci-dma_64.c
+++ b/arch/x86/kernel/pci-dma_64.c
@@ -275,7 +275,7 @@ __init int iommu_setup(char *p)
                        swiotlb = 1;
 #endif
 
-#ifdef CONFIG_IOMMU
+#ifdef CONFIG_GART_IOMMU
                gart_parse_options(p);
 #endif
 
@@ -298,7 +298,7 @@ void __init pci_iommu_alloc(void)
         * The order of these functions is important for
         * fall-back/fail-over reasons
         */
-#ifdef CONFIG_IOMMU
+#ifdef CONFIG_GART_IOMMU
        iommu_hole_init();
 #endif
 
@@ -321,7 +321,7 @@ static int __init pci_iommu_init(void)
 
        intel_iommu_init();
 
-#ifdef CONFIG_IOMMU
+#ifdef CONFIG_GART_IOMMU
        gart_iommu_init();
 #endif
 

diff --git a/drivers/char/agp/Kconfig b/drivers/char/agp/Kconfig
index f22c253bc09fbb4bcb84b6d5642848a82a3920c0..ccb1fa89de2976e99bcb5d7bb94094f989e3b974 100644 (file)
--- a/drivers/char/agp/Kconfig
+++ b/drivers/char/agp/Kconfig
@@ -56,9 +56,9 @@ config AGP_AMD
          X on AMD Irongate, 761, and 762 chipsets.
 
 config AGP_AMD64
-       tristate "AMD Opteron/Athlon64 on-CPU GART support" if !IOMMU
+       tristate "AMD Opteron/Athlon64 on-CPU GART support" if !GART_IOMMU
        depends on AGP && X86
-       default y if IOMMU
+       default y if GART_IOMMU
        help
          This option gives you AGP support for the GLX component of
          X using the on-CPU northbridge of the AMD Athlon64/Opteron CPUs.

diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index d95662e96326dfe152029b2042890f24ccfa5148..d8200ac8f8cbb8643355719aa78bd144eccee9ef 100644 (file)
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -787,7 +787,7 @@ static void __exit agp_amd64_cleanup(void)
 
 /* On AMD64 the PCI driver needs to initialize this driver early
    for the IOMMU, so it has to be called via a backdoor. */
-#ifndef CONFIG_IOMMU
+#ifndef CONFIG_GART_IOMMU
 module_init(agp_amd64_init);
 module_exit(agp_amd64_cleanup);
 #endif

diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index eb4ac47612a59022878b19e4da34053fdd4cbb6f..316a746e0080ef8a0eface2341fbd8f3e612c60d 100644 (file)
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -434,7 +434,7 @@ int usb_sg_init (
                if (dma) {
                        io->urbs [i]->transfer_dma = sg_dma_address (sg + i);
                        len = sg_dma_len (sg + i);
-#if defined(CONFIG_HIGHMEM) || defined(CONFIG_IOMMU)
+#if defined(CONFIG_HIGHMEM) || defined(CONFIG_GART_IOMMU)
                        io->urbs[i]->transfer_buffer = NULL;
 #else
                        io->urbs[i]->transfer_buffer = sg_virt(&sg[i]);

diff --git a/include/asm-x86/gart.h b/include/asm-x86/gart.h
index 5af471f228eeacad86659cbda4ce60c3fadf8054..0765f3d678516783994163a50d05bf09a5eed807 100644 (file)
--- a/include/asm-x86/gart.h
+++ b/include/asm-x86/gart.h
@@ -5,7 +5,7 @@ extern void pci_iommu_shutdown(void);
 extern void no_iommu_init(void);
 extern int force_iommu, no_iommu;
 extern int iommu_detected;
-#ifdef CONFIG_IOMMU
+#ifdef CONFIG_GART_IOMMU
 extern void gart_iommu_init(void);
 extern void gart_iommu_shutdown(void);
 extern void __init gart_parse_options(char *);

diff --git a/include/asm-x86/pci_64.h b/include/asm-x86/pci_64.h
index 9baa46d9f594893a011b9e803566e17f2ac3f150..ef54226a9325a926a1c482ee7ce03d1410478f7b 100644 (file)
--- a/include/asm-x86/pci_64.h
+++ b/include/asm-x86/pci_64.h
@@ -37,7 +37,7 @@ extern int iommu_setup(char *opt);
  */
 #define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys)
 
-#if defined(CONFIG_IOMMU) || defined(CONFIG_CALGARY_IOMMU)
+#if defined(CONFIG_GART_IOMMU) || defined(CONFIG_CALGARY_IOMMU)
 
 #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)      \
        dma_addr_t ADDR_NAME;