/* * fixmap.h: compile-time virtual memory allocation * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 1998 Ingo Molnar * * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999 * x86_32 and x86_64 integration by Gustavo F. Padovan, February 2009 * Break out common bits to asm-generic by Mark Salter, November 2013 */ #ifndef __ASM_GENERIC_FIXMAP_H #define __ASM_GENERIC_FIXMAP_H #include #define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT)) #define __virt_to_fix(x) ((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT) #ifndef __ASSEMBLY__ /* * 'index to address' translation. If anyone tries to use the idx * directly without translation, we catch the bug with a NULL-deference * kernel oops. Illegal ranges of incoming indices are caught too. */ static __always_inline unsigned long fix_to_virt(const unsigned int idx) { BUILD_BUG_ON(idx >= __end_of_fixed_addresses); return __fix_to_virt(idx); } static inline unsigned long virt_to_fix(const unsigned long vaddr) { BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START); return __virt_to_fix(vaddr); } /* * Provide some reasonable defaults for page flags. * Not all architectures use all of these different types and some * architectures use different names. */ #ifndef FIXMAP_PAGE_NORMAL #define FIXMAP_PAGE_NORMAL PAGE_KERNEL #endif #if !defined(FIXMAP_PAGE_RO) && defined(PAGE_KERNEL_RO) #define FIXMAP_PAGE_RO PAGE_KERNEL_RO #endif #ifndef FIXMAP_PAGE_NOCACHE #define FIXMAP_PAGE_NOCACHE PAGE_KERNEL_NOCACHE #endif #ifndef FIXMAP_PAGE_IO #define FIXMAP_PAGE_IO PAGE_KERNEL_IO #endif #ifndef FIXMAP_PAGE_CLEAR #define FIXMAP_PAGE_CLEAR __pgprot(0) #endif #ifndef set_fixmap #define set_fixmap(idx, phys) \ __set_fixmap(idx, phys, FIXMAP_PAGE_NORMAL) #endif #ifndef clear_fixmap #define clear_fixmap(idx) \ __set_fixmap(idx, 0, FIXMAP_PAGE_CLEAR) #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) \ __set_fixmap_offset(idx, phys, FIXMAP_PAGE_NORMAL) /* * Some hardware wants to get fixmapped without caching. */ #define set_fixmap_nocache(idx, phys) \ __set_fixmap(idx, phys, FIXMAP_PAGE_NOCACHE) #define set_fixmap_offset_nocache(idx, phys) \ __set_fixmap_offset(idx, phys, FIXMAP_PAGE_NOCACHE) /* * Some fixmaps are for IO */ #define set_fixmap_io(idx, phys) \ __set_fixmap(idx, phys, FIXMAP_PAGE_IO) #define set_fixmap_offset_io(idx, phys) \ __set_fixmap_offset(idx, phys, FIXMAP_PAGE_IO) #endif /* __ASSEMBLY__ */ #endif /* __ASM_GENERIC_FIXMAP_H */ ue='search'/>
path: root/net/bluetooth/bnep/netdev.c
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authorLinus Torvalds <torvalds@linux-foundation.org>2017-01-22 12:45:47 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-22 12:45:47 -0800
commit24b86839fab8e8059d2b16e0067dc86a1a0d3514 (patch)
treed764e86e2bae3ef57779912ed062be725b1ca431 /net/bluetooth/bnep/netdev.c
parent585457fc8383e373ab923e46cd1f70bbfe46763f (diff)
parent0fec9557fd0c5349e3bd1a2141612a60bc20bb71 (diff)
Merge branch 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull smp/hotplug fix from Thomas Gleixner: "Remove an unused variable which is a leftover from the notifier removal" * 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: cpu/hotplug: Remove unused but set variable in _cpu_down()
Diffstat (limited to 'net/bluetooth/bnep/netdev.c')