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s390/disassembler: remove insn_to_mnemonic()

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insn_to_mnemonic() was introduced ages ago for KVM debugging, but is
unused in the meantime. Therefore remove it.

Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
This commit is contained in:
Heiko Carstens 2017-11-06 13:28:38 +01:00
parent 399c5acd58
commit dac6dc267d
2 changed files with 0 additions and 29 deletions
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1
arch/s390/include/asm/dis.h
View File

@ -44,7 +44,6 @@ struct pt_regs;
void show_code(struct pt_regs *regs);
void print_fn_code(unsigned char *code, unsigned long len);
int insn_to_mnemonic(unsigned char *instruction, char *buf, unsigned int len);
struct s390_insn *find_insn(unsigned char *code);
static inline int is_known_insn(unsigned char *code)

28
arch/s390/kernel/dis.c
View File

@ -1961,34 +1961,6 @@ struct s390_insn *find_insn(unsigned char *code)
return NULL;
}
/**
* insn_to_mnemonic - decode an s390 instruction
* @instruction: instruction to decode
* @buf: buffer to fill with mnemonic
* @len: length of buffer
*
* Decode the instruction at @instruction and store the corresponding
* mnemonic into @buf of length @len.
* @buf is left unchanged if the instruction could not be decoded.
* Returns:
* %0 on success, %-ENOENT if the instruction was not found.
*/
int insn_to_mnemonic(unsigned char *instruction, char *buf, unsigned int len)
{
struct s390_insn *insn;
insn = find_insn(instruction);
if (!insn)
return -ENOENT;
if (insn->name[0] == '\0')
snprintf(buf, len, "%s",
long_insn_name[(int) insn->name[1]]);
else
snprintf(buf, len, "%.5s", insn->name);
return 0;
}
EXPORT_SYMBOL_GPL(insn_to_mnemonic);
static int print_insn(char *buffer, unsigned char *code, unsigned long addr)
{
struct s390_insn *insn;