diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-generic/pgtable.h | 12 | ||||
| -rw-r--r-- | include/linux/cpu.h | 2 | ||||
| -rw-r--r-- | include/linux/mm.h | 2 | ||||
| -rw-r--r-- | include/linux/ring_buffer.h | 1 | ||||
| -rw-r--r-- | include/linux/swapfile.h | 2 | ||||
| -rw-r--r-- | include/linux/thread_info.h | 6 | ||||
| -rw-r--r-- | include/rdma/ib_verbs.h | 14 |
7 files changed, 34 insertions, 5 deletions
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index 25b793325b09..dabecb661264 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -799,6 +799,18 @@ static inline int pmd_free_pte_page(pmd_t *pmd) } #endif /* CONFIG_HAVE_ARCH_HUGE_VMAP */ +#ifndef __HAVE_ARCH_PFN_MODIFY_ALLOWED +static inline bool pfn_modify_allowed(unsigned long pfn, pgprot_t prot) +{ + return true; +} + +static inline bool arch_has_pfn_modify_check(void) +{ + return false; +} +#endif /* !_HAVE_ARCH_PFN_MODIFY_ALLOWED */ + #endif /* !__ASSEMBLY__ */ #ifndef io_remap_pfn_range diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 76efa14a6959..ec088f5729fb 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -61,6 +61,8 @@ extern ssize_t cpu_show_spectre_v2(struct device *dev, struct device_attribute *attr, char *buf); extern ssize_t cpu_show_spec_store_bypass(struct device *dev, struct device_attribute *attr, char *buf); +extern ssize_t cpu_show_l1tf(struct device *dev, + struct device_attribute *attr, char *buf); extern __printf(4, 5) struct device *cpu_device_create(struct device *parent, void *drvdata, diff --git a/include/linux/mm.h b/include/linux/mm.h index 34fcdede4604..6faba4f28ab4 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2103,6 +2103,8 @@ int remap_pfn_range(struct vm_area_struct *, unsigned long addr, int vm_insert_page(struct vm_area_struct *, unsigned long addr, struct page *); int vm_insert_pfn(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn); +int vm_insert_pfn_prot(struct vm_area_struct *vma, unsigned long addr, + unsigned long pfn, pgprot_t pgprot); int vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn); int vm_iomap_memory(struct vm_area_struct *vma, phys_addr_t start, unsigned long len); diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h index 4acc552e9279..19d0778ec382 100644 --- a/include/linux/ring_buffer.h +++ b/include/linux/ring_buffer.h @@ -162,6 +162,7 @@ void ring_buffer_record_enable(struct ring_buffer *buffer); void ring_buffer_record_off(struct ring_buffer *buffer); void ring_buffer_record_on(struct ring_buffer *buffer); int ring_buffer_record_is_on(struct ring_buffer *buffer); +int ring_buffer_record_is_set_on(struct ring_buffer *buffer); void ring_buffer_record_disable_cpu(struct ring_buffer *buffer, int cpu); void ring_buffer_record_enable_cpu(struct ring_buffer *buffer, int cpu); diff --git a/include/linux/swapfile.h b/include/linux/swapfile.h index ed2a9c9c2b43..9d995cd9009b 100644 --- a/include/linux/swapfile.h +++ b/include/linux/swapfile.h @@ -14,5 +14,7 @@ extern int try_to_unuse(unsigned int, bool, unsigned long); extern int swap_ratio(struct swap_info_struct **si); extern void setup_swap_ratio(struct swap_info_struct *p, int prio); extern bool is_swap_ratio_group(int prio); +extern unsigned long generic_max_swapfile_size(void); +extern unsigned long max_swapfile_size(void); #endif /* _LINUX_SWAPFILE_H */ diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h index 8933ecc2bc9f..25f861ecb195 100644 --- a/include/linux/thread_info.h +++ b/include/linux/thread_info.h @@ -26,11 +26,7 @@ #ifdef __KERNEL__ -#ifdef CONFIG_DEBUG_STACK_USAGE -# define THREADINFO_GFP (GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO) -#else -# define THREADINFO_GFP (GFP_KERNEL | __GFP_NOTRACK) -#endif +#define THREADINFO_GFP (GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO) /* * flag set/clear/test wrappers diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 120da1d7f57e..10fefb0dc640 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -3007,6 +3007,20 @@ static inline int ib_check_mr_access(int flags) return 0; } +static inline bool ib_access_writable(int access_flags) +{ + /* + * We have writable memory backing the MR if any of the following + * access flags are set. "Local write" and "remote write" obviously + * require write access. "Remote atomic" can do things like fetch and + * add, which will modify memory, and "MW bind" can change permissions + * by binding a window. + */ + return access_flags & + (IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE | + IB_ACCESS_REMOTE_ATOMIC | IB_ACCESS_MW_BIND); +} + /** * ib_check_mr_status: lightweight check of MR status. * This routine may provide status checks on a selected |