diff options
Diffstat (limited to 'arch/x86/lib')
| -rw-r--r-- | arch/x86/lib/Makefile | 3 | ||||
| -rw-r--r-- | arch/x86/lib/csum-wrappers_64.c | 2 | ||||
| -rw-r--r-- | arch/x86/lib/insn.c | 6 | ||||
| -rw-r--r-- | arch/x86/lib/memcpy_64.S | 7 | ||||
| -rw-r--r-- | arch/x86/lib/memset_64.S | 2 | ||||
| -rw-r--r-- | arch/x86/lib/rwsem.S | 11 |
6 files changed, 22 insertions, 9 deletions
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile index a501fa25da41..72a576752a7e 100644 --- a/arch/x86/lib/Makefile +++ b/arch/x86/lib/Makefile @@ -2,6 +2,9 @@ # Makefile for x86 specific library files. # +# Produces uninteresting flaky coverage. +KCOV_INSTRUMENT_delay.o := n + inat_tables_script = $(srctree)/arch/x86/tools/gen-insn-attr-x86.awk inat_tables_maps = $(srctree)/arch/x86/lib/x86-opcode-map.txt quiet_cmd_inat_tables = GEN $@ diff --git a/arch/x86/lib/csum-wrappers_64.c b/arch/x86/lib/csum-wrappers_64.c index 1318f75d56e4..28a6654f0d08 100644 --- a/arch/x86/lib/csum-wrappers_64.c +++ b/arch/x86/lib/csum-wrappers_64.c @@ -135,7 +135,7 @@ EXPORT_SYMBOL(csum_partial_copy_nocheck); __sum16 csum_ipv6_magic(const struct in6_addr *saddr, const struct in6_addr *daddr, - __u32 len, unsigned short proto, __wsum sum) + __u32 len, __u8 proto, __wsum sum) { __u64 rest, sum64; diff --git a/arch/x86/lib/insn.c b/arch/x86/lib/insn.c index 8f72b334aea0..1a416935bac9 100644 --- a/arch/x86/lib/insn.c +++ b/arch/x86/lib/insn.c @@ -374,7 +374,7 @@ void insn_get_displacement(struct insn *insn) if (mod == 3) goto out; if (mod == 1) { - insn->displacement.value = get_next(char, insn); + insn->displacement.value = get_next(signed char, insn); insn->displacement.nbytes = 1; } else if (insn->addr_bytes == 2) { if ((mod == 0 && rm == 6) || mod == 2) { @@ -532,7 +532,7 @@ void insn_get_immediate(struct insn *insn) switch (inat_immediate_size(insn->attr)) { case INAT_IMM_BYTE: - insn->immediate.value = get_next(char, insn); + insn->immediate.value = get_next(signed char, insn); insn->immediate.nbytes = 1; break; case INAT_IMM_WORD: @@ -566,7 +566,7 @@ void insn_get_immediate(struct insn *insn) goto err_out; } if (inat_has_second_immediate(insn->attr)) { - insn->immediate2.value = get_next(char, insn); + insn->immediate2.value = get_next(signed char, insn); insn->immediate2.nbytes = 1; } done: diff --git a/arch/x86/lib/memcpy_64.S b/arch/x86/lib/memcpy_64.S index cbb8ee5830ff..2ec0b0abbfaa 100644 --- a/arch/x86/lib/memcpy_64.S +++ b/arch/x86/lib/memcpy_64.S @@ -1,6 +1,7 @@ /* Copyright 2002 Andi Kleen */ #include <linux/linkage.h> +#include <asm/errno.h> #include <asm/cpufeatures.h> #include <asm/alternative-asm.h> @@ -268,16 +269,16 @@ ENTRY(memcpy_mcsafe) decl %ecx jnz .L_copy_trailing_bytes - /* Copy successful. Return true */ + /* Copy successful. Return zero */ .L_done_memcpy_trap: xorq %rax, %rax ret ENDPROC(memcpy_mcsafe) .section .fixup, "ax" - /* Return false for any failure */ + /* Return -EFAULT for any failure */ .L_memcpy_mcsafe_fail: - mov $1, %rax + mov $-EFAULT, %rax ret .previous diff --git a/arch/x86/lib/memset_64.S b/arch/x86/lib/memset_64.S index c9c81227ea37..e1229ecd2a82 100644 --- a/arch/x86/lib/memset_64.S +++ b/arch/x86/lib/memset_64.S @@ -9,7 +9,7 @@ /* * ISO C memset - set a memory block to a byte value. This function uses fast * string to get better performance than the original function. The code is - * simpler and shorter than the orignal function as well. + * simpler and shorter than the original function as well. * * rdi destination * rsi value (char) diff --git a/arch/x86/lib/rwsem.S b/arch/x86/lib/rwsem.S index 40027db99140..be110efa0096 100644 --- a/arch/x86/lib/rwsem.S +++ b/arch/x86/lib/rwsem.S @@ -15,6 +15,7 @@ #include <linux/linkage.h> #include <asm/alternative-asm.h> +#include <asm/frame.h> #define __ASM_HALF_REG(reg) __ASM_SEL(reg, e##reg) #define __ASM_HALF_SIZE(inst) __ASM_SEL(inst##w, inst##l) @@ -84,24 +85,29 @@ /* Fix up special calling conventions */ ENTRY(call_rwsem_down_read_failed) + FRAME_BEGIN save_common_regs __ASM_SIZE(push,) %__ASM_REG(dx) movq %rax,%rdi call rwsem_down_read_failed __ASM_SIZE(pop,) %__ASM_REG(dx) restore_common_regs + FRAME_END ret ENDPROC(call_rwsem_down_read_failed) ENTRY(call_rwsem_down_write_failed) + FRAME_BEGIN save_common_regs movq %rax,%rdi call rwsem_down_write_failed restore_common_regs + FRAME_END ret ENDPROC(call_rwsem_down_write_failed) ENTRY(call_rwsem_wake) + FRAME_BEGIN /* do nothing if still outstanding active readers */ __ASM_HALF_SIZE(dec) %__ASM_HALF_REG(dx) jnz 1f @@ -109,15 +115,18 @@ ENTRY(call_rwsem_wake) movq %rax,%rdi call rwsem_wake restore_common_regs -1: ret +1: FRAME_END + ret ENDPROC(call_rwsem_wake) ENTRY(call_rwsem_downgrade_wake) + FRAME_BEGIN save_common_regs __ASM_SIZE(push,) %__ASM_REG(dx) movq %rax,%rdi call rwsem_downgrade_wake __ASM_SIZE(pop,) %__ASM_REG(dx) restore_common_regs + FRAME_END ret ENDPROC(call_rwsem_downgrade_wake) |
