diff options
36 files changed, 2 insertions, 218 deletions
diff --git a/arch/alpha/include/asm/Kbuild b/arch/alpha/include/asm/Kbuild index 25b4972..76aeb8f 100644 --- a/arch/alpha/include/asm/Kbuild +++ b/arch/alpha/include/asm/Kbuild @@ -3,7 +3,6 @@ generic-y += clkdev.h generic-y += cputime.h generic-y += exec.h -generic-y += hash.h generic-y += irq_work.h generic-y += mcs_spinlock.h generic-y += preempt.h diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild index b8fffc1..be0c39e 100644 --- a/arch/arc/include/asm/Kbuild +++ b/arch/arc/include/asm/Kbuild @@ -12,7 +12,6 @@ generic-y += fb.h generic-y += fcntl.h generic-y += ftrace.h generic-y += hardirq.h -generic-y += hash.h generic-y += hw_irq.h generic-y += ioctl.h generic-y += ioctls.h diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild index 70cd84e..fe74c0d 100644 --- a/arch/arm/include/asm/Kbuild +++ b/arch/arm/include/asm/Kbuild @@ -7,7 +7,6 @@ generic-y += current.h generic-y += emergency-restart.h generic-y += errno.h generic-y += exec.h -generic-y += hash.h generic-y += ioctl.h generic-y += ipcbuf.h generic-y += irq_regs.h diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild index dc770bd..6b61091 100644 --- a/arch/arm64/include/asm/Kbuild +++ b/arch/arm64/include/asm/Kbuild @@ -14,7 +14,6 @@ generic-y += early_ioremap.h generic-y += emergency-restart.h generic-y += errno.h generic-y += ftrace.h -generic-y += hash.h generic-y += hw_irq.h generic-y += ioctl.h generic-y += ioctls.h diff --git a/arch/avr32/include/asm/Kbuild b/arch/avr32/include/asm/Kbuild index 2a71b1c..528d70d 100644 --- a/arch/avr32/include/asm/Kbuild +++ b/arch/avr32/include/asm/Kbuild @@ -7,7 +7,6 @@ generic-y += div64.h generic-y += emergency-restart.h generic-y += exec.h generic-y += futex.h -generic-y += hash.h generic-y += irq_regs.h generic-y += irq_work.h generic-y += local.h diff --git a/arch/blackfin/include/asm/Kbuild b/arch/blackfin/include/asm/Kbuild index 46ed6bb..4bd3c3c 100644 --- a/arch/blackfin/include/asm/Kbuild +++ b/arch/blackfin/include/asm/Kbuild @@ -10,7 +10,6 @@ generic-y += emergency-restart.h generic-y += errno.h generic-y += fb.h generic-y += futex.h -generic-y += hash.h generic-y += hw_irq.h generic-y += ioctl.h generic-y += ipcbuf.h diff --git a/arch/c6x/include/asm/Kbuild b/arch/c6x/include/asm/Kbuild index e77e0c1..2de7339 100644 --- a/arch/c6x/include/asm/Kbuild +++ b/arch/c6x/include/asm/Kbuild @@ -15,7 +15,6 @@ generic-y += exec.h generic-y += fb.h generic-y += fcntl.h generic-y += futex.h -generic-y += hash.h generic-y += hw_irq.h generic-y += io.h generic-y += ioctl.h diff --git a/arch/cris/include/asm/Kbuild b/arch/cris/include/asm/Kbuild index 2ca489e..d5f1248 100644 --- a/arch/cris/include/asm/Kbuild +++ b/arch/cris/include/asm/Kbuild @@ -7,7 +7,6 @@ generic-y += barrier.h generic-y += clkdev.h generic-y += cputime.h generic-y += exec.h -generic-y += hash.h generic-y += irq_work.h generic-y += kvm_para.h generic-y += linkage.h diff --git a/arch/frv/include/asm/Kbuild b/arch/frv/include/asm/Kbuild index 3caf05c..e3f81b5 100644 --- a/arch/frv/include/asm/Kbuild +++ b/arch/frv/include/asm/Kbuild @@ -2,7 +2,6 @@ generic-y += clkdev.h generic-y += cputime.h generic-y += exec.h -generic-y += hash.h generic-y += irq_work.h generic-y += mcs_spinlock.h generic-y += preempt.h diff --git a/arch/hexagon/include/asm/Kbuild b/arch/hexagon/include/asm/Kbuild index 5f234a5..c7a99f8 100644 --- a/arch/hexagon/include/asm/Kbuild +++ b/arch/hexagon/include/asm/Kbuild @@ -16,7 +16,6 @@ generic-y += fb.h generic-y += fcntl.h generic-y += ftrace.h generic-y += hardirq.h -generic-y += hash.h generic-y += hw_irq.h generic-y += ioctl.h generic-y += ioctls.h diff --git a/arch/ia64/include/asm/Kbuild b/arch/ia64/include/asm/Kbuild index 747320b..9b41b4b 100644 --- a/arch/ia64/include/asm/Kbuild +++ b/arch/ia64/include/asm/Kbuild @@ -1,7 +1,6 @@ generic-y += clkdev.h generic-y += exec.h -generic-y += hash.h generic-y += irq_work.h generic-y += kvm_para.h generic-y += mcs_spinlock.h diff --git a/arch/m32r/include/asm/Kbuild b/arch/m32r/include/asm/Kbuild index 3796801..2edc793 100644 --- a/arch/m32r/include/asm/Kbuild +++ b/arch/m32r/include/asm/Kbuild @@ -2,7 +2,6 @@ generic-y += clkdev.h generic-y += cputime.h generic-y += exec.h -generic-y += hash.h generic-y += irq_work.h generic-y += mcs_spinlock.h generic-y += module.h diff --git a/arch/m68k/include/asm/Kbuild b/arch/m68k/include/asm/Kbuild index dbaf9f3..9b6c691 100644 --- a/arch/m68k/include/asm/Kbuild +++ b/arch/m68k/include/asm/Kbuild @@ -6,7 +6,6 @@ generic-y += device.h generic-y += emergency-restart.h generic-y += errno.h generic-y += exec.h -generic-y += hash.h generic-y += hw_irq.h generic-y += ioctl.h generic-y += ipcbuf.h diff --git a/arch/metag/include/asm/Kbuild b/arch/metag/include/asm/Kbuild index 7b8111c..0bf5d52 100644 --- a/arch/metag/include/asm/Kbuild +++ b/arch/metag/include/asm/Kbuild @@ -13,7 +13,6 @@ generic-y += fb.h generic-y += fcntl.h generic-y += futex.h generic-y += hardirq.h -generic-y += hash.h generic-y += hw_irq.h generic-y += ioctl.h generic-y += ioctls.h diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild index 448143b..ab564a6 100644 --- a/arch/microblaze/include/asm/Kbuild +++ b/arch/microblaze/include/asm/Kbuild @@ -4,7 +4,6 @@ generic-y += clkdev.h generic-y += cputime.h generic-y += device.h generic-y += exec.h -generic-y += hash.h generic-y += irq_work.h generic-y += mcs_spinlock.h generic-y += preempt.h diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild index 72e1cf1..200efea 100644 --- a/arch/mips/include/asm/Kbuild +++ b/arch/mips/include/asm/Kbuild @@ -3,7 +3,6 @@ generic-y += cputime.h generic-y += current.h generic-y += dma-contiguous.h generic-y += emergency-restart.h -generic-y += hash.h generic-y += irq_work.h generic-y += local64.h generic-y += mcs_spinlock.h diff --git a/arch/mn10300/include/asm/Kbuild b/arch/mn10300/include/asm/Kbuild index 54a062c..f892d9d 100644 --- a/arch/mn10300/include/asm/Kbuild +++ b/arch/mn10300/include/asm/Kbuild @@ -3,7 +3,6 @@ generic-y += barrier.h generic-y += clkdev.h generic-y += cputime.h generic-y += exec.h -generic-y += hash.h generic-y += irq_work.h generic-y += mcs_spinlock.h generic-y += preempt.h diff --git a/arch/openrisc/include/asm/Kbuild b/arch/openrisc/include/asm/Kbuild index 89b61d7..91f1f360 100644 --- a/arch/openrisc/include/asm/Kbuild +++ b/arch/openrisc/include/asm/Kbuild @@ -25,7 +25,6 @@ generic-y += fcntl.h generic-y += ftrace.h generic-y += futex.h generic-y += hardirq.h -generic-y += hash.h generic-y += hw_irq.h generic-y += ioctl.h generic-y += ioctls.h diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild index ffb024b..8686237 100644 --- a/arch/parisc/include/asm/Kbuild +++ b/arch/parisc/include/asm/Kbuild @@ -7,7 +7,6 @@ generic-y += device.h generic-y += div64.h generic-y += emergency-restart.h generic-y += exec.h -generic-y += hash.h generic-y += hw_irq.h generic-y += irq_regs.h generic-y += irq_work.h diff --git a/arch/powerpc/include/asm/Kbuild b/arch/powerpc/include/asm/Kbuild index 31e8f59..382b28e 100644 --- a/arch/powerpc/include/asm/Kbuild +++ b/arch/powerpc/include/asm/Kbuild @@ -1,6 +1,5 @@ generic-y += clkdev.h -generic-y += hash.h generic-y += irq_work.h generic-y += mcs_spinlock.h generic-y += preempt.h diff --git a/arch/s390/include/asm/Kbuild b/arch/s390/include/asm/Kbuild index 773f866..c631f98 100644 --- a/arch/s390/include/asm/Kbuild +++ b/arch/s390/include/asm/Kbuild @@ -1,7 +1,6 @@ generic-y += clkdev.h -generic-y += hash.h generic-y += irq_work.h generic-y += mcs_spinlock.h generic-y += preempt.h diff --git a/arch/score/include/asm/Kbuild b/arch/score/include/asm/Kbuild index 46461c1..83ed116 100644 --- a/arch/score/include/asm/Kbuild +++ b/arch/score/include/asm/Kbuild @@ -5,7 +5,6 @@ header-y += generic-y += barrier.h generic-y += clkdev.h generic-y += cputime.h -generic-y += hash.h generic-y += irq_work.h generic-y += mcs_spinlock.h generic-y += preempt.h diff --git a/arch/sh/include/asm/Kbuild b/arch/sh/include/asm/Kbuild index 5a6c9ac..654ebb6 100644 --- a/arch/sh/include/asm/Kbuild +++ b/arch/sh/include/asm/Kbuild @@ -8,7 +8,6 @@ generic-y += emergency-restart.h generic-y += errno.h generic-y += exec.h generic-y += fcntl.h -generic-y += hash.h generic-y += ioctl.h generic-y += ipcbuf.h generic-y += irq_regs.h diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index f5f94ce..94f36e7 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -6,7 +6,6 @@ generic-y += cputime.h generic-y += div64.h generic-y += emergency-restart.h generic-y += exec.h -generic-y += hash.h generic-y += irq_regs.h generic-y += irq_work.h generic-y += linkage.h diff --git a/arch/tile/include/asm/Kbuild b/arch/tile/include/asm/Kbuild index e6462b8..b4c488b 100644 --- a/arch/tile/include/asm/Kbuild +++ b/arch/tile/include/asm/Kbuild @@ -11,7 +11,6 @@ generic-y += errno.h generic-y += exec.h generic-y += fb.h generic-y += fcntl.h -generic-y += hash.h generic-y += hw_irq.h generic-y += ioctl.h generic-y += ioctls.h diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild index 244b12c..9176fa1 100644 --- a/arch/um/include/asm/Kbuild +++ b/arch/um/include/asm/Kbuild @@ -10,7 +10,6 @@ generic-y += exec.h generic-y += ftrace.h generic-y += futex.h generic-y += hardirq.h -generic-y += hash.h generic-y += hw_irq.h generic-y += io.h generic-y += irq_regs.h diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild index 5a2bb53..3e0c19d 100644 --- a/arch/unicore32/include/asm/Kbuild +++ b/arch/unicore32/include/asm/Kbuild @@ -16,7 +16,6 @@ generic-y += fcntl.h generic-y += ftrace.h generic-y += futex.h generic-y += hardirq.h -generic-y += hash.h generic-y += hw_irq.h generic-y += ioctl.h generic-y += ioctls.h diff --git a/arch/x86/include/asm/hash.h b/arch/x86/include/asm/hash.h deleted file mode 100644 index e8c58f8..0000000 --- a/arch/x86/include/asm/hash.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef _ASM_X86_HASH_H -#define _ASM_X86_HASH_H - -struct fast_hash_ops; -extern void setup_arch_fast_hash(struct fast_hash_ops *ops); - -#endif /* _ASM_X86_HASH_H */ diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile index db92793..1530afb 100644 --- a/arch/x86/lib/Makefile +++ b/arch/x86/lib/Makefile @@ -23,7 +23,7 @@ lib-y += memcpy_$(BITS).o lib-$(CONFIG_RWSEM_XCHGADD_ALGORITHM) += rwsem.o lib-$(CONFIG_INSTRUCTION_DECODER) += insn.o inat.o -obj-y += msr.o msr-reg.o msr-reg-export.o hash.o +obj-y += msr.o msr-reg.o msr-reg-export.o ifeq ($(CONFIG_X86_32),y) obj-y += atomic64_32.o diff --git a/arch/x86/lib/hash.c b/arch/x86/lib/hash.c deleted file mode 100644 index ff4fa51..0000000 --- a/arch/x86/lib/hash.c +++ /dev/null @@ -1,92 +0,0 @@ -/* - * Some portions derived from code covered by the following notice: - * - * Copyright (c) 2010-2013 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <linux/hash.h> -#include <linux/init.h> - -#include <asm/processor.h> -#include <asm/cpufeature.h> -#include <asm/hash.h> - -static inline u32 crc32_u32(u32 crc, u32 val) -{ -#ifdef CONFIG_AS_CRC32 - asm ("crc32l %1,%0\n" : "+r" (crc) : "rm" (val)); -#else - asm (".byte 0xf2, 0x0f, 0x38, 0xf1, 0xc1" : "+a" (crc) : "c" (val)); -#endif - return crc; -} - -static u32 intel_crc4_2_hash(const void *data, u32 len, u32 seed) -{ - const u32 *p32 = (const u32 *) data; - u32 i, tmp = 0; - - for (i = 0; i < len / 4; i++) - seed = crc32_u32(seed, *p32++); - - switch (len & 3) { - case 3: - tmp |= *((const u8 *) p32 + 2) << 16; - /* fallthrough */ - case 2: - tmp |= *((const u8 *) p32 + 1) << 8; - /* fallthrough */ - case 1: - tmp |= *((const u8 *) p32); - seed = crc32_u32(seed, tmp); - break; - } - - return seed; -} - -static u32 intel_crc4_2_hash2(const u32 *data, u32 len, u32 seed) -{ - const u32 *p32 = (const u32 *) data; - u32 i; - - for (i = 0; i < len; i++) - seed = crc32_u32(seed, *p32++); - - return seed; -} - -void __init setup_arch_fast_hash(struct fast_hash_ops *ops) -{ - if (cpu_has_xmm4_2) { - ops->hash = intel_crc4_2_hash; - ops->hash2 = intel_crc4_2_hash2; - } -} diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild index 105d389..86a9ab2 100644 --- a/arch/xtensa/include/asm/Kbuild +++ b/arch/xtensa/include/asm/Kbuild @@ -9,7 +9,6 @@ generic-y += errno.h generic-y += exec.h generic-y += fcntl.h generic-y += hardirq.h -generic-y += hash.h generic-y += ioctl.h generic-y += irq_regs.h generic-y += irq_work.h diff --git a/include/asm-generic/hash.h b/include/asm-generic/hash.h deleted file mode 100644 index b631284..0000000 --- a/include/asm-generic/hash.h +++ /dev/null @@ -1,9 +0,0 @@ -#ifndef __ASM_GENERIC_HASH_H -#define __ASM_GENERIC_HASH_H - -struct fast_hash_ops; -static inline void setup_arch_fast_hash(struct fast_hash_ops *ops) -{ -} - -#endif /* __ASM_GENERIC_HASH_H */ diff --git a/include/linux/hash.h b/include/linux/hash.h index d0494c3..1afde47 100644 --- a/include/linux/hash.h +++ b/include/linux/hash.h @@ -15,7 +15,6 @@ */ #include <asm/types.h> -#include <asm/hash.h> #include <linux/compiler.h> /* 2^31 + 2^29 - 2^25 + 2^22 - 2^19 - 2^16 + 1 */ @@ -84,38 +83,4 @@ static inline u32 hash32_ptr(const void *ptr) return (u32)val; } -struct fast_hash_ops { - u32 (*hash)(const void *data, u32 len, u32 seed); - u32 (*hash2)(const u32 *data, u32 len, u32 seed); -}; - -/** - * arch_fast_hash - Caclulates a hash over a given buffer that can have - * arbitrary size. This function will eventually use an - * architecture-optimized hashing implementation if - * available, and trades off distribution for speed. - * - * @data: buffer to hash - * @len: length of buffer in bytes - * @seed: start seed - * - * Returns 32bit hash. - */ -extern u32 arch_fast_hash(const void *data, u32 len, u32 seed); - -/** - * arch_fast_hash2 - Caclulates a hash over a given buffer that has a - * size that is of a multiple of 32bit words. This - * function will eventually use an architecture- - * optimized hashing implementation if available, - * and trades off distribution for speed. - * - * @data: buffer to hash (must be 32bit padded) - * @len: number of 32bit words - * @seed: start seed - * - * Returns 32bit hash. - */ -extern u32 arch_fast_hash2(const u32 *data, u32 len, u32 seed); - #endif /* _LINUX_HASH_H */ diff --git a/lib/Makefile b/lib/Makefile index 0211d2b..4b9baa4 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -26,7 +26,7 @@ obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \ bust_spinlocks.o hexdump.o kasprintf.o bitmap.o scatterlist.o \ gcd.o lcm.o list_sort.o uuid.o flex_array.o iovec.o clz_ctz.o \ bsearch.o find_last_bit.o find_next_bit.o llist.o memweight.o kfifo.o \ - percpu-refcount.o percpu_ida.o hash.o rhashtable.o reciprocal_div.o + percpu-refcount.o percpu_ida.o rhashtable.o reciprocal_div.o obj-y += string_helpers.o obj-$(CONFIG_TEST_STRING_HELPERS) += test-string_helpers.o obj-y += kstrtox.o diff --git a/lib/hash.c b/lib/hash.c deleted file mode 100644 index fea973f..0000000 --- a/lib/hash.c +++ /dev/null @@ -1,39 +0,0 @@ -/* General purpose hashing library - * - * That's a start of a kernel hashing library, which can be extended - * with further algorithms in future. arch_fast_hash{2,}() will - * eventually resolve to an architecture optimized implementation. - * - * Copyright 2013 Francesco Fusco <ffusco@redhat.com> - * Copyright 2013 Daniel Borkmann <dborkman@redhat.com> - * Copyright 2013 Thomas Graf <tgraf@redhat.com> - * Licensed under the GNU General Public License, version 2.0 (GPLv2) - */ - -#include <linux/jhash.h> -#include <linux/hash.h> -#include <linux/cache.h> - -static struct fast_hash_ops arch_hash_ops __read_mostly = { - .hash = jhash, - .hash2 = jhash2, -}; - -u32 arch_fast_hash(const void *data, u32 len, u32 seed) -{ - return arch_hash_ops.hash(data, len, seed); -} -EXPORT_SYMBOL_GPL(arch_fast_hash); - -u32 arch_fast_hash2(const u32 *data, u32 len, u32 seed) -{ - return arch_hash_ops.hash2(data, len, seed); -} -EXPORT_SYMBOL_GPL(arch_fast_hash2); - -static int __init hashlib_init(void) -{ - setup_arch_fast_hash(&arch_hash_ops); - return 0; -} -early_initcall(hashlib_init); diff --git a/tools/perf/util/include/asm/hash.h b/tools/perf/util/include/asm/hash.h deleted file mode 100644 index d82b170b..0000000 --- a/tools/perf/util/include/asm/hash.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_GENERIC_HASH_H -#define __ASM_GENERIC_HASH_H - -/* Stub */ - -#endif /* __ASM_GENERIC_HASH_H */ |
