diff options
Diffstat (limited to 'include/asm-generic')
-rw-r--r-- | include/asm-generic/atomic-long.h | 6 | ||||
-rw-r--r-- | include/asm-generic/bug.h | 27 | ||||
-rw-r--r-- | include/asm-generic/checksum.h | 8 | ||||
-rw-r--r-- | include/asm-generic/fixmap.h | 12 | ||||
-rw-r--r-- | include/asm-generic/gpio.h | 4 | ||||
-rw-r--r-- | include/asm-generic/mm_hooks.h | 12 | ||||
-rw-r--r-- | include/asm-generic/pci-bridge.h | 74 | ||||
-rw-r--r-- | include/asm-generic/pci-dma-compat.h | 118 | ||||
-rw-r--r-- | include/asm-generic/pgtable.h | 17 | ||||
-rw-r--r-- | include/asm-generic/vmlinux.lds.h | 6 |
10 files changed, 66 insertions, 218 deletions
diff --git a/include/asm-generic/atomic-long.h b/include/asm-generic/atomic-long.h index eb1973b..5e1f345 100644 --- a/include/asm-generic/atomic-long.h +++ b/include/asm-generic/atomic-long.h @@ -98,14 +98,14 @@ ATOMIC_LONG_ADD_SUB_OP(sub, _release) #define atomic_long_xchg(v, new) \ (ATOMIC_LONG_PFX(_xchg)((ATOMIC_LONG_PFX(_t) *)(v), (new))) -static inline void atomic_long_inc(atomic_long_t *l) +static __always_inline void atomic_long_inc(atomic_long_t *l) { ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; ATOMIC_LONG_PFX(_inc)(v); } -static inline void atomic_long_dec(atomic_long_t *l) +static __always_inline void atomic_long_dec(atomic_long_t *l) { ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; @@ -113,7 +113,7 @@ static inline void atomic_long_dec(atomic_long_t *l) } #define ATOMIC_LONG_OP(op) \ -static inline void \ +static __always_inline void \ atomic_long_##op(long i, atomic_long_t *l) \ { \ ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; \ diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index 630dd23..f90588a 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -81,6 +81,12 @@ extern void warn_slowpath_null(const char *file, const int line); do { printk(arg); __WARN_TAINT(taint); } while (0) #endif +/* used internally by panic.c */ +struct warn_args; + +void __warn(const char *file, int line, void *caller, unsigned taint, + struct pt_regs *regs, struct warn_args *args); + #ifndef WARN_ON #define WARN_ON(condition) ({ \ int __ret_warn_on = !!(condition); \ @@ -110,9 +116,10 @@ extern void warn_slowpath_null(const char *file, const int line); static bool __section(.data.unlikely) __warned; \ int __ret_warn_once = !!(condition); \ \ - if (unlikely(__ret_warn_once)) \ - if (WARN_ON(!__warned)) \ - __warned = true; \ + if (unlikely(__ret_warn_once && !__warned)) { \ + __warned = true; \ + WARN_ON(1); \ + } \ unlikely(__ret_warn_once); \ }) @@ -120,9 +127,10 @@ extern void warn_slowpath_null(const char *file, const int line); static bool __section(.data.unlikely) __warned; \ int __ret_warn_once = !!(condition); \ \ - if (unlikely(__ret_warn_once)) \ - if (WARN(!__warned, format)) \ - __warned = true; \ + if (unlikely(__ret_warn_once && !__warned)) { \ + __warned = true; \ + WARN(1, format); \ + } \ unlikely(__ret_warn_once); \ }) @@ -130,9 +138,10 @@ extern void warn_slowpath_null(const char *file, const int line); static bool __section(.data.unlikely) __warned; \ int __ret_warn_once = !!(condition); \ \ - if (unlikely(__ret_warn_once)) \ - if (WARN_TAINT(!__warned, taint, format)) \ - __warned = true; \ + if (unlikely(__ret_warn_once && !__warned)) { \ + __warned = true; \ + WARN_TAINT(1, taint, format); \ + } \ unlikely(__ret_warn_once); \ }) diff --git a/include/asm-generic/checksum.h b/include/asm-generic/checksum.h index 59811df..3150cbd 100644 --- a/include/asm-generic/checksum.h +++ b/include/asm-generic/checksum.h @@ -65,14 +65,14 @@ static inline __sum16 csum_fold(__wsum csum) * returns a 16-bit checksum, already complemented */ extern __wsum -csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, - unsigned short proto, __wsum sum); +csum_tcpudp_nofold(__be32 saddr, __be32 daddr, __u32 len, + __u8 proto, __wsum sum); #endif #ifndef csum_tcpudp_magic static inline __sum16 -csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len, - unsigned short proto, __wsum sum) +csum_tcpudp_magic(__be32 saddr, __be32 daddr, __u32 len, + __u8 proto, __wsum sum) { return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum)); } diff --git a/include/asm-generic/fixmap.h b/include/asm-generic/fixmap.h index 1cbb833..827e4d3 100644 --- a/include/asm-generic/fixmap.h +++ b/include/asm-generic/fixmap.h @@ -70,12 +70,12 @@ static inline unsigned long virt_to_fix(const unsigned long vaddr) #endif /* Return a pointer with offset calculated */ -#define __set_fixmap_offset(idx, phys, flags) \ -({ \ - unsigned long addr; \ - __set_fixmap(idx, phys, flags); \ - addr = fix_to_virt(idx) + ((phys) & (PAGE_SIZE - 1)); \ - addr; \ +#define __set_fixmap_offset(idx, phys, flags) \ +({ \ + unsigned long ________addr; \ + __set_fixmap(idx, phys, flags); \ + ________addr = fix_to_virt(idx) + ((phys) & (PAGE_SIZE - 1)); \ + ________addr; \ }) #define set_fixmap_offset(idx, phys) \ diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 40ec143..8ca627d 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -26,8 +26,12 @@ */ #ifndef ARCH_NR_GPIOS +#if defined(CONFIG_ARCH_NR_GPIO) && CONFIG_ARCH_NR_GPIO > 0 +#define ARCH_NR_GPIOS CONFIG_ARCH_NR_GPIO +#else #define ARCH_NR_GPIOS 512 #endif +#endif /* * "valid" GPIO numbers are nonnegative and may be passed to diff --git a/include/asm-generic/mm_hooks.h b/include/asm-generic/mm_hooks.h index 866aa46..cc5d9a1 100644 --- a/include/asm-generic/mm_hooks.h +++ b/include/asm-generic/mm_hooks.h @@ -26,4 +26,16 @@ static inline void arch_bprm_mm_init(struct mm_struct *mm, { } +static inline bool arch_vma_access_permitted(struct vm_area_struct *vma, + bool write, bool execute, bool foreign) +{ + /* by default, allow everything */ + return true; +} + +static inline bool arch_pte_access_permitted(pte_t pte, bool write) +{ + /* by default, allow everything */ + return true; +} #endif /* _ASM_GENERIC_MM_HOOKS_H */ diff --git a/include/asm-generic/pci-bridge.h b/include/asm-generic/pci-bridge.h deleted file mode 100644 index 20db2e5..0000000 --- a/include/asm-generic/pci-bridge.h +++ /dev/null @@ -1,74 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ -#ifndef _ASM_GENERIC_PCI_BRIDGE_H -#define _ASM_GENERIC_PCI_BRIDGE_H - -#ifdef __KERNEL__ - -enum { - /* Force re-assigning all resources (ignore firmware - * setup completely) - */ - PCI_REASSIGN_ALL_RSRC = 0x00000001, - - /* Re-assign all bus numbers */ - PCI_REASSIGN_ALL_BUS = 0x00000002, - - /* Do not try to assign, just use existing setup */ - PCI_PROBE_ONLY = 0x00000004, - - /* Don't bother with ISA alignment unless the bridge has - * ISA forwarding enabled - */ - PCI_CAN_SKIP_ISA_ALIGN = 0x00000008, - - /* Enable domain numbers in /proc */ - PCI_ENABLE_PROC_DOMAINS = 0x00000010, - /* ... except for domain 0 */ - PCI_COMPAT_DOMAIN_0 = 0x00000020, - - /* PCIe downstream ports are bridges that normally lead to only a - * device 0, but if this is set, we scan all possible devices, not - * just device 0. - */ - PCI_SCAN_ALL_PCIE_DEVS = 0x00000040, -}; - -#ifdef CONFIG_PCI -extern unsigned int pci_flags; - -static inline void pci_set_flags(int flags) -{ - pci_flags = flags; -} - -static inline void pci_add_flags(int flags) -{ - pci_flags |= flags; -} - -static inline void pci_clear_flags(int flags) -{ - pci_flags &= ~flags; -} - -static inline int pci_has_flag(int flag) -{ - return pci_flags & flag; -} -#else -static inline void pci_set_flags(int flags) { } -static inline void pci_add_flags(int flags) { } -static inline void pci_clear_flags(int flags) { } -static inline int pci_has_flag(int flag) -{ - return 0; -} -#endif /* CONFIG_PCI */ - -#endif /* __KERNEL__ */ -#endif /* _ASM_GENERIC_PCI_BRIDGE_H */ diff --git a/include/asm-generic/pci-dma-compat.h b/include/asm-generic/pci-dma-compat.h deleted file mode 100644 index eafce7b..0000000 --- a/include/asm-generic/pci-dma-compat.h +++ /dev/null @@ -1,118 +0,0 @@ -/* include this file if the platform implements the dma_ DMA Mapping API - * and wants to provide the pci_ DMA Mapping API in terms of it */ - -#ifndef _ASM_GENERIC_PCI_DMA_COMPAT_H -#define _ASM_GENERIC_PCI_DMA_COMPAT_H - -#include <linux/dma-mapping.h> - -static inline void * -pci_alloc_consistent(struct pci_dev *hwdev, size_t size, - dma_addr_t *dma_handle) -{ - return dma_alloc_coherent(hwdev == NULL ? NULL : &hwdev->dev, size, dma_handle, GFP_ATOMIC); -} - -static inline void * -pci_zalloc_consistent(struct pci_dev *hwdev, size_t size, - dma_addr_t *dma_handle) -{ - return dma_zalloc_coherent(hwdev == NULL ? NULL : &hwdev->dev, - size, dma_handle, GFP_ATOMIC); -} - -static inline void -pci_free_consistent(struct pci_dev *hwdev, size_t size, - void *vaddr, dma_addr_t dma_handle) -{ - dma_free_coherent(hwdev == NULL ? NULL : &hwdev->dev, size, vaddr, dma_handle); -} - -static inline dma_addr_t -pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction) -{ - return dma_map_single(hwdev == NULL ? NULL : &hwdev->dev, ptr, size, (enum dma_data_direction)direction); -} - -static inline void -pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr, - size_t size, int direction) -{ - dma_unmap_single(hwdev == NULL ? NULL : &hwdev->dev, dma_addr, size, (enum dma_data_direction)direction); -} - -static inline dma_addr_t -pci_map_page(struct pci_dev *hwdev, struct page *page, - unsigned long offset, size_t size, int direction) -{ - return dma_map_page(hwdev == NULL ? NULL : &hwdev->dev, page, offset, size, (enum dma_data_direction)direction); -} - -static inline void -pci_unmap_page(struct pci_dev *hwdev, dma_addr_t dma_address, - size_t size, int direction) -{ - dma_unmap_page(hwdev == NULL ? NULL : &hwdev->dev, dma_address, size, (enum dma_data_direction)direction); -} - -static inline int -pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg, - int nents, int direction) -{ - return dma_map_sg(hwdev == NULL ? NULL : &hwdev->dev, sg, nents, (enum dma_data_direction)direction); -} - -static inline void -pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg, - int nents, int direction) -{ - dma_unmap_sg(hwdev == NULL ? NULL : &hwdev->dev, sg, nents, (enum dma_data_direction)direction); -} - -static inline void -pci_dma_sync_single_for_cpu(struct pci_dev *hwdev, dma_addr_t dma_handle, - size_t size, int direction) -{ - dma_sync_single_for_cpu(hwdev == NULL ? NULL : &hwdev->dev, dma_handle, size, (enum dma_data_direction)direction); -} - -static inline void -pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t dma_handle, - size_t size, int direction) -{ - dma_sync_single_for_device(hwdev == NULL ? NULL : &hwdev->dev, dma_handle, size, (enum dma_data_direction)direction); -} - -static inline void -pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev, struct scatterlist *sg, - int nelems, int direction) -{ - dma_sync_sg_for_cpu(hwdev == NULL ? NULL : &hwdev->dev, sg, nelems, (enum dma_data_direction)direction); -} - -static inline void -pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sg, - int nelems, int direction) -{ - dma_sync_sg_for_device(hwdev == NULL ? NULL : &hwdev->dev, sg, nelems, (enum dma_data_direction)direction); -} - -static inline int -pci_dma_mapping_error(struct pci_dev *pdev, dma_addr_t dma_addr) -{ - return dma_mapping_error(&pdev->dev, dma_addr); -} - -#ifdef CONFIG_PCI -static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask) -{ - return dma_set_mask(&dev->dev, mask); -} - -static inline int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask) -{ - return dma_set_coherent_mask(&dev->dev, mask); -} -#endif - -#endif diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index c370b26..9401f48 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -783,6 +783,23 @@ static inline int pmd_clear_huge(pmd_t *pmd) } #endif /* CONFIG_HAVE_ARCH_HUGE_VMAP */ +#ifndef __HAVE_ARCH_FLUSH_PMD_TLB_RANGE +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +/* + * ARCHes with special requirements for evicting THP backing TLB entries can + * implement this. Otherwise also, it can help optimize normal TLB flush in + * THP regime. stock flush_tlb_range() typically has optimization to nuke the + * entire TLB TLB if flush span is greater than a threshold, which will + * likely be true for a single huge page. Thus a single thp flush will + * invalidate the entire TLB which is not desitable. + * e.g. see arch/arc: flush_pmd_tlb_range + */ +#define flush_pmd_tlb_range(vma, addr, end) flush_tlb_range(vma, addr, end) +#else +#define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() +#endif +#endif + #endif /* !__ASSEMBLY__ */ #ifndef io_remap_pfn_range diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 772c784..8f5a12a 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -157,7 +157,7 @@ #define EARLYCON_TABLE() STRUCT_ALIGN(); \ VMLINUX_SYMBOL(__earlycon_table) = .; \ *(__earlycon_table) \ - *(__earlycon_table_end) + VMLINUX_SYMBOL(__earlycon_table_end) = .; #else #define EARLYCON_TABLE() #endif @@ -179,7 +179,6 @@ #define RESERVEDMEM_OF_TABLES() OF_TABLE(CONFIG_OF_RESERVED_MEM, reservedmem) #define CPU_METHOD_OF_TABLES() OF_TABLE(CONFIG_SMP, cpu_method) #define CPUIDLE_METHOD_OF_TABLES() OF_TABLE(CONFIG_CPU_IDLE, cpuidle_method) -#define EARLYCON_OF_TABLES() OF_TABLE(CONFIG_SERIAL_EARLYCON, earlycon) #ifdef CONFIG_ACPI #define ACPI_PROBE_TABLE(name) \ @@ -527,8 +526,7 @@ IRQCHIP_OF_MATCH_TABLE() \ ACPI_PROBE_TABLE(irqchip) \ ACPI_PROBE_TABLE(clksrc) \ - EARLYCON_TABLE() \ - EARLYCON_OF_TABLES() + EARLYCON_TABLE() #define INIT_TEXT \ *(.init.text) \ |