[PATCH 1/1] bpf: avoid unnecessary IPI in bpf_flush_icache
From: Yanfei Xu
Date: Tue Jun 01 2021 - 11:07:18 EST
It's no need to trigger IPI for keeping pipeline fresh in bpf case.
Signed-off-by: Yanfei Xu <yanfei.xu@xxxxxxxxxxxxx>
---
arch/arm64/net/bpf_jit_comp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c
index f7b194878a99..5311f8be4ba4 100644
--- a/arch/arm64/net/bpf_jit_comp.c
+++ b/arch/arm64/net/bpf_jit_comp.c
@@ -974,7 +974,7 @@ static int validate_code(struct jit_ctx *ctx)
static inline void bpf_flush_icache(void *start, void *end)
{
- flush_icache_range((unsigned long)start, (unsigned long)end);
+ __flush_icache_range((unsigned long)start, (unsigned long)end);
}
struct arm64_jit_data {
--
2.27.0