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arm64: Correct ftrace calls to aarch64_insn_gen_branch_imm()

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The aarch64_insn_gen_branch_imm() function takes an enum as the last
argument rather than a bool. It happens to work because
AARCH64_INSN_BRANCH_LINK matches 'true' but better to use the actual
type.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Catalin Marinas 2014-09-19 12:05:45 +01:00
parent a6583c7c81
commit 9f1ae7596a
1 changed files with 6 additions and 4 deletions
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10
arch/arm64/kernel/ftrace.c
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@ -58,7 +58,8 @@ int ftrace_update_ftrace_func(ftrace_func_t func)
u32 new;
pc = (unsigned long)&ftrace_call;
new = aarch64_insn_gen_branch_imm(pc, (unsigned long)func, true);
new = aarch64_insn_gen_branch_imm(pc, (unsigned long)func,
AARCH64_INSN_BRANCH_LINK);
return ftrace_modify_code(pc, 0, new, false);
}
@ -72,7 +73,7 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
u32 old, new;
old = aarch64_insn_gen_nop();
new = aarch64_insn_gen_branch_imm(pc, addr, true);
new = aarch64_insn_gen_branch_imm(pc, addr, AARCH64_INSN_BRANCH_LINK);
return ftrace_modify_code(pc, old, new, true);
}
@ -86,7 +87,7 @@ int ftrace_make_nop(struct module *mod, struct dyn_ftrace *rec,
unsigned long pc = rec->ip;
u32 old, new;
old = aarch64_insn_gen_branch_imm(pc, addr, true);
old = aarch64_insn_gen_branch_imm(pc, addr, AARCH64_INSN_BRANCH_LINK);
new = aarch64_insn_gen_nop();
return ftrace_modify_code(pc, old, new, true);
@ -154,7 +155,8 @@ static int ftrace_modify_graph_caller(bool enable)
u32 branch, nop;
branch = aarch64_insn_gen_branch_imm(pc,
(unsigned long)ftrace_graph_caller, false);
(unsigned long)ftrace_graph_caller,
AARCH64_INSN_BRANCH_LINK);
nop = aarch64_insn_gen_nop();
if (enable)