From 405f55712dfe464b3240d7816cc4fe4174831be2 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Sat, 11 Jul 2009 22:08:37 +0400 Subject: headers: smp_lock.h redux * Remove smp_lock.h from files which don't need it (including some headers!) * Add smp_lock.h to files which do need it * Make smp_lock.h include conditional in hardirq.h It's needed only for one kernel_locked() usage which is under CONFIG_PREEMPT This will make hardirq.h inclusion cheaper for every PREEMPT=n config (which includes allmodconfig/allyesconfig, BTW) Signed-off-by: Alexey Dobriyan Signed-off-by: Linus Torvalds --- arch/ia64/kernel/ptrace.c | 1 - 1 file changed, 1 deletion(-) (limited to 'arch/ia64/kernel') diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c index 92c9689b7d97..9daa87fdb018 100644 --- a/arch/ia64/kernel/ptrace.c +++ b/arch/ia64/kernel/ptrace.c @@ -15,7 +15,6 @@ #include #include #include -#include #include #include #include -- cgit v1.2.3 From 390bd132b2831a2ad0268e84bffbfc0680debfe5 Mon Sep 17 00:00:00 2001 From: fujita Date: Thu, 9 Jul 2009 21:25:05 -0700 Subject: Add dma_debug_init() for ia64 The commit 9916219579d078c80377dd3988c2cc213536d868 was supposed to add CONFIG_DMA_API_DEBUG support to IA64 however I forgot to add dma_debug_init(). Signed-off-by: fujita Acked-by: Fenghua Yu --- arch/ia64/kernel/dma-mapping.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'arch/ia64/kernel') diff --git a/arch/ia64/kernel/dma-mapping.c b/arch/ia64/kernel/dma-mapping.c index 086a2aeb0404..39a3cd0a4173 100644 --- a/arch/ia64/kernel/dma-mapping.c +++ b/arch/ia64/kernel/dma-mapping.c @@ -6,6 +6,14 @@ int iommu_detected __read_mostly; struct dma_map_ops *dma_ops; EXPORT_SYMBOL(dma_ops); +#define PREALLOC_DMA_DEBUG_ENTRIES (1 << 16) + +static int __init dma_init(void) +{ + dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES); +} +fs_initcall(dma_init); + struct dma_map_ops *dma_get_ops(struct device *dev) { return dma_ops; -- cgit v1.2.3 From 51b89f7a6615eca184aa0b85db5781d931e9c8d1 Mon Sep 17 00:00:00 2001 From: Fenghua Yu <[fenghua.yu@intel.com]> Date: Tue, 11 Aug 2009 14:52:10 -0700 Subject: Bug Fix arch/ia64/kernel/pci-dma.c: fix recursive dma_supported() call in iommu_dma_supported() In commit 160c1d8e40866edfeae7d68816b7005d70acf391, dma_ops->dma_supported = iommu_dma_supported; This dma_ops->dma_supported is first called in platform_dma_init() during kernel boot. Then dma_ops->dma_supported will be called recursively in iommu_dma_supported. Kernel can not boot because kernel can not get out of iommu_dma_supported until it runs out of stack memory. Signed-off-by: Fenghua Yu --- arch/ia64/kernel/pci-dma.c | 5 ----- 1 file changed, 5 deletions(-) (limited to 'arch/ia64/kernel') diff --git a/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c index 05695962fe44..f6b1ff0aea76 100644 --- a/arch/ia64/kernel/pci-dma.c +++ b/arch/ia64/kernel/pci-dma.c @@ -69,11 +69,6 @@ iommu_dma_init(void) int iommu_dma_supported(struct device *dev, u64 mask) { - struct dma_map_ops *ops = platform_dma_get_ops(dev); - - if (ops->dma_supported) - return ops->dma_supported(dev, mask); - /* Copied from i386. Doesn't make much sense, because it will only work for pci_alloc_coherent. The caller just has to use GFP_DMA in this case. */ -- cgit v1.2.3 From cfa5f809e399c699974ba6018eefa022bbc2e16e Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Rajput <[jaswinder@kernel.org]> Date: Tue, 11 Aug 2009 14:52:10 -0700 Subject: IA64: includecheck fix: ia64, ia64_ksyms.c fix the following 'make includecheck' warning: arch/ia64/kernel/ia64_ksyms.c: asm/page.h is included more than once. Signed-off-by: Jaswinder Singh Rajput Acked-by: Fenghua Yu --- arch/ia64/kernel/ia64_ksyms.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'arch/ia64/kernel') diff --git a/arch/ia64/kernel/ia64_ksyms.c b/arch/ia64/kernel/ia64_ksyms.c index 2d311864e359..8ebccb589e1c 100644 --- a/arch/ia64/kernel/ia64_ksyms.c +++ b/arch/ia64/kernel/ia64_ksyms.c @@ -21,6 +21,7 @@ EXPORT_SYMBOL(csum_ipv6_magic); #include EXPORT_SYMBOL(clear_page); +EXPORT_SYMBOL(copy_page); #ifdef CONFIG_VIRTUAL_MEM_MAP #include @@ -60,9 +61,6 @@ EXPORT_SYMBOL(__udivdi3); EXPORT_SYMBOL(__moddi3); EXPORT_SYMBOL(__umoddi3); -#include -EXPORT_SYMBOL(copy_page); - #if defined(CONFIG_MD_RAID456) || defined(CONFIG_MD_RAID456_MODULE) extern void xor_ia64_2(void); extern void xor_ia64_3(void); -- cgit v1.2.3 From 5359dffd4396f281c5b77de1acbee6fb1b333b23 Mon Sep 17 00:00:00 2001 From: Fenghua Yu Date: Tue, 11 Aug 2009 14:52:11 -0700 Subject: ia64/topology.c: exit cache_add_dev when kobject_init_and_add fails Make cache_add_dev exit sysfs when kobject_init_and_add returns an error. Signed-off-by: Xiaotian Feng Signed-off-by: Fenghua Yu --- arch/ia64/kernel/topology.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'arch/ia64/kernel') diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c index bc80dff1df7a..8f060352e129 100644 --- a/arch/ia64/kernel/topology.c +++ b/arch/ia64/kernel/topology.c @@ -372,6 +372,10 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev) retval = kobject_init_and_add(&all_cpu_cache_info[cpu].kobj, &cache_ktype_percpu_entry, &sys_dev->kobj, "%s", "cache"); + if (unlikely(retval < 0)) { + cpu_cache_sysfs_exit(cpu); + return retval; + } for (i = 0; i < all_cpu_cache_info[cpu].num_cache_leaves; i++) { this_object = LEAF_KOBJECT_PTR(cpu,i); @@ -385,7 +389,7 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev) } kobject_put(&all_cpu_cache_info[cpu].kobj); cpu_cache_sysfs_exit(cpu); - break; + return retval; } kobject_uevent(&(this_object->kobj), KOBJ_ADD); } -- cgit v1.2.3 From e7369e01eb85550ed60dd1b0e120b69dfb03dc23 Mon Sep 17 00:00:00 2001 From: Roel Kluin <[roel.kluin@gmail.com]> Date: Tue, 11 Aug 2009 14:52:11 -0700 Subject: arch/ia64/kernel/iosapic: missing test after ioremap() Missing test after ioremap() Signed-off-by: Roel Kluin Acked-by: Fenghua Yu --- arch/ia64/kernel/iosapic.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'arch/ia64/kernel') diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c index c48b03f2b61d..dab4d393908c 100644 --- a/arch/ia64/kernel/iosapic.c +++ b/arch/ia64/kernel/iosapic.c @@ -1072,6 +1072,10 @@ iosapic_init (unsigned long phys_addr, unsigned int gsi_base) } addr = ioremap(phys_addr, 0); + if (addr == NULL) { + spin_unlock_irqrestore(&iosapic_lock, flags); + return -ENOMEM; + } ver = iosapic_version(addr); if ((err = iosapic_check_gsi_range(gsi_base, ver))) { iounmap(addr); -- cgit v1.2.3