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powerpc/lib/code-patching: Make instr_is_branch_to_addr() static

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instr_is_branch_to_addr() is only used in code-patching.c

Make it static.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/5f6b9c8c83170ed310953eac2f5b14539bfc964a.1621516826.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy 2021-05-20 13:50:43 +00:00 committed by Michael Ellerman
parent 18c85964b1
commit 6c0d181daa
2 changed files with 9 additions and 10 deletions
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1
arch/powerpc/include/asm/code-patching.h
View File

@ -59,7 +59,6 @@ static inline int modify_instruction_site(s32 *site, unsigned int clr, unsigned
int instr_is_relative_branch(struct ppc_inst instr);
int instr_is_relative_link_branch(struct ppc_inst instr);
int instr_is_branch_to_addr(const struct ppc_inst *instr, unsigned long addr);
unsigned long branch_target(const struct ppc_inst *instr);
int translate_branch(struct ppc_inst *instr, const struct ppc_inst *dest,
const struct ppc_inst *src);

18
arch/powerpc/lib/code-patching.c
View File

@ -367,15 +367,6 @@ unsigned long branch_target(const struct ppc_inst *instr)
return 0;
}
int instr_is_branch_to_addr(const struct ppc_inst *instr, unsigned long addr)
{
if (instr_is_branch_iform(ppc_inst_read(instr)) ||
instr_is_branch_bform(ppc_inst_read(instr)))
return branch_target(instr) == addr;
return 0;
}
int translate_branch(struct ppc_inst *instr, const struct ppc_inst *dest,
const struct ppc_inst *src)
{
@ -410,6 +401,15 @@ void __patch_exception(int exc, unsigned long addr)
#ifdef CONFIG_CODE_PATCHING_SELFTEST
static int instr_is_branch_to_addr(const struct ppc_inst *instr, unsigned long addr)
{
if (instr_is_branch_iform(ppc_inst_read(instr)) ||
instr_is_branch_bform(ppc_inst_read(instr)))
return branch_target(instr) == addr;
return 0;
}
static void __init test_trampoline(void)
{
asm ("nop;\n");