diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig | 4 | ||||
| -rw-r--r-- | lib/decompress.c | 3 | ||||
| -rw-r--r-- | lib/devres.c | 4 | ||||
| -rw-r--r-- | lib/idr.c | 24 | ||||
| -rw-r--r-- | lib/iomap.c | 4 | ||||
| -rw-r--r-- | lib/smp_processor_id.c | 18 |
6 files changed, 27 insertions, 30 deletions
diff --git a/lib/Kconfig b/lib/Kconfig index 991c98b..5d4984c 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -342,9 +342,9 @@ config HAS_IOMEM select GENERIC_IO default y -config HAS_IOPORT +config HAS_IOPORT_MAP boolean - depends on HAS_IOMEM && !NO_IOPORT + depends on HAS_IOMEM && !NO_IOPORT_MAP default y config HAS_DMA diff --git a/lib/decompress.c b/lib/decompress.c index 4d1cd03..86069d74 100644 --- a/lib/decompress.c +++ b/lib/decompress.c @@ -16,6 +16,7 @@ #include <linux/types.h> #include <linux/string.h> #include <linux/init.h> +#include <linux/printk.h> #ifndef CONFIG_DECOMPRESS_GZIP # define gunzip NULL @@ -61,6 +62,8 @@ decompress_fn __init decompress_method(const unsigned char *inbuf, int len, if (len < 2) return NULL; /* Need at least this much... */ + pr_debug("Compressed data magic: %#.2x %#.2x\n", inbuf[0], inbuf[1]); + for (cf = compressed_formats; cf->name; cf++) { if (!memcmp(inbuf, cf->magic, 2)) break; diff --git a/lib/devres.c b/lib/devres.c index 48cb3c7..2f16c13 100644 --- a/lib/devres.c +++ b/lib/devres.c @@ -170,7 +170,7 @@ void __iomem *devm_request_and_ioremap(struct device *device, } EXPORT_SYMBOL(devm_request_and_ioremap); -#ifdef CONFIG_HAS_IOPORT +#ifdef CONFIG_HAS_IOPORT_MAP /* * Generic iomap devres */ @@ -229,7 +229,7 @@ void devm_ioport_unmap(struct device *dev, void __iomem *addr) devm_ioport_map_match, (__force void *)addr)); } EXPORT_SYMBOL(devm_ioport_unmap); -#endif /* CONFIG_HAS_IOPORT */ +#endif /* CONFIG_HAS_IOPORT_MAP */ #ifdef CONFIG_PCI /* @@ -196,7 +196,7 @@ static void idr_mark_full(struct idr_layer **pa, int id) } } -int __idr_pre_get(struct idr *idp, gfp_t gfp_mask) +static int __idr_pre_get(struct idr *idp, gfp_t gfp_mask) { while (idp->id_free_cnt < MAX_IDR_FREE) { struct idr_layer *new; @@ -207,7 +207,6 @@ int __idr_pre_get(struct idr *idp, gfp_t gfp_mask) } return 1; } -EXPORT_SYMBOL(__idr_pre_get); /** * sub_alloc - try to allocate an id without growing the tree depth @@ -374,20 +373,6 @@ static void idr_fill_slot(struct idr *idr, void *ptr, int id, idr_mark_full(pa, id); } -int __idr_get_new_above(struct idr *idp, void *ptr, int starting_id, int *id) -{ - struct idr_layer *pa[MAX_IDR_LEVEL + 1]; - int rv; - - rv = idr_get_empty_slot(idp, starting_id, pa, 0, idp); - if (rv < 0) - return rv == -ENOMEM ? -EAGAIN : rv; - - idr_fill_slot(idp, ptr, rv, pa); - *id = rv; - return 0; -} -EXPORT_SYMBOL(__idr_get_new_above); /** * idr_preload - preload for idr_alloc() @@ -548,7 +533,7 @@ static void sub_remove(struct idr *idp, int shift, int id) n = id & IDR_MASK; if (likely(p != NULL && test_bit(n, p->bitmap))) { __clear_bit(n, p->bitmap); - rcu_assign_pointer(p->ary[n], NULL); + RCU_INIT_POINTER(p->ary[n], NULL); to_free = NULL; while(*paa && ! --((**paa)->count)){ if (to_free) @@ -607,7 +592,7 @@ void idr_remove(struct idr *idp, int id) } EXPORT_SYMBOL(idr_remove); -void __idr_remove_all(struct idr *idp) +static void __idr_remove_all(struct idr *idp) { int n, id, max; int bt_mask; @@ -617,7 +602,7 @@ void __idr_remove_all(struct idr *idp) n = idp->layers * IDR_BITS; p = idp->top; - rcu_assign_pointer(idp->top, NULL); + RCU_INIT_POINTER(idp->top, NULL); max = idr_max(idp->layers); id = 0; @@ -640,7 +625,6 @@ void __idr_remove_all(struct idr *idp) } idp->layers = 0; } -EXPORT_SYMBOL(__idr_remove_all); /** * idr_destroy - release all cached layers within an idr tree diff --git a/lib/iomap.c b/lib/iomap.c index 2c08f36..fc3dcb4 100644 --- a/lib/iomap.c +++ b/lib/iomap.c @@ -224,7 +224,7 @@ EXPORT_SYMBOL(iowrite8_rep); EXPORT_SYMBOL(iowrite16_rep); EXPORT_SYMBOL(iowrite32_rep); -#ifdef CONFIG_HAS_IOPORT +#ifdef CONFIG_HAS_IOPORT_MAP /* Create a virtual mapping cookie for an IO port range */ void __iomem *ioport_map(unsigned long port, unsigned int nr) { @@ -239,7 +239,7 @@ void ioport_unmap(void __iomem *addr) } EXPORT_SYMBOL(ioport_map); EXPORT_SYMBOL(ioport_unmap); -#endif /* CONFIG_HAS_IOPORT */ +#endif /* CONFIG_HAS_IOPORT_MAP */ #ifdef CONFIG_PCI /* Hide the details if this is a MMIO or PIO address space and just do what diff --git a/lib/smp_processor_id.c b/lib/smp_processor_id.c index 04abe53..1afec32 100644 --- a/lib/smp_processor_id.c +++ b/lib/smp_processor_id.c @@ -7,7 +7,8 @@ #include <linux/kallsyms.h> #include <linux/sched.h> -notrace unsigned int debug_smp_processor_id(void) +notrace static unsigned int check_preemption_disabled(const char *what1, + const char *what2) { int this_cpu = raw_smp_processor_id(); @@ -38,9 +39,9 @@ notrace unsigned int debug_smp_processor_id(void) if (!printk_ratelimit()) goto out_enable; - printk(KERN_ERR "BUG: using smp_processor_id() in preemptible [%08x] " - "code: %s/%d\n", - preempt_count() - 1, current->comm, current->pid); + printk(KERN_ERR "BUG: using %s%s() in preemptible [%08x] code: %s/%d\n", + what1, what2, preempt_count() - 1, current->comm, current->pid); + print_symbol("caller is %s\n", (long)__builtin_return_address(0)); dump_stack(); @@ -50,5 +51,14 @@ out: return this_cpu; } +notrace unsigned int debug_smp_processor_id(void) +{ + return check_preemption_disabled("smp_processor_id", ""); +} EXPORT_SYMBOL(debug_smp_processor_id); +notrace void __this_cpu_preempt_check(const char *op) +{ + check_preemption_disabled("__this_cpu_", op); +} +EXPORT_SYMBOL(__this_cpu_preempt_check); |
