summaryrefslogtreecommitdiffstats
path: root/arch/arm64/kernel/insn.c
diff options
context:
space:
mode:
authorMark Brown <broonie@kernel.org>2020-05-04 14:13:24 +0100
committerWill Deacon <will@kernel.org>2020-05-04 16:06:29 +0100
commit07dcd9677c5d0f4735041885d3c3c348cc11b75c (patch)
tree5bc504ea92bb1b50893cd72b2461da43ae3b37a8 /arch/arm64/kernel/insn.c
parentbd507ca2773b20f554a3e14f7aa9080e45ee399a (diff)
downloadlinux-07dcd9677c5d0f4735041885d3c3c348cc11b75c.tar.bz2
arm64: insn: Provide a better name for aarch64_insn_is_nop()
The current aarch64_insn_is_nop() has exactly one caller which uses it solely to identify if the instruction is a HINT that can safely be stepped, requiring us to list things that aren't NOPs and make things more confusing than they need to be. Rename the function to reflect the actual usage and make things more clear. Suggested-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Mark Brown <broonie@kernel.org> Acked-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20200504131326.18290-3-broonie@kernel.org Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/kernel/insn.c')
-rw-r--r--arch/arm64/kernel/insn.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c
index d63d9cd8b4a2..0829bb5b45ec 100644
--- a/arch/arm64/kernel/insn.c
+++ b/arch/arm64/kernel/insn.c
@@ -51,8 +51,7 @@ enum aarch64_insn_encoding_class __kprobes aarch64_get_insn_class(u32 insn)
return aarch64_insn_encoding_class[(insn >> 25) & 0xf];
}
-/* NOP is an alias of HINT */
-bool __kprobes aarch64_insn_is_nop(u32 insn)
+bool __kprobes aarch64_insn_is_steppable_hint(u32 insn)
{
if (!aarch64_insn_is_hint(insn))
return false;