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Diffstat (limited to 'arch/riscv/net/bpf_jit_core.c')
-rw-r--r--arch/riscv/net/bpf_jit_core.c25
1 files changed, 6 insertions, 19 deletions
diff --git a/arch/riscv/net/bpf_jit_core.c b/arch/riscv/net/bpf_jit_core.c
index 6b3acac30c06..f6ca5cfa6b2f 100644
--- a/arch/riscv/net/bpf_jit_core.c
+++ b/arch/riscv/net/bpf_jit_core.c
@@ -9,7 +9,7 @@
#include <linux/bpf.h>
#include <linux/filter.h>
#include <linux/memory.h>
-#include <asm/patch.h>
+#include <asm/text-patching.h>
#include <asm/cfi.h>
#include "bpf_jit.h"
@@ -26,9 +26,8 @@ static int build_body(struct rv_jit_context *ctx, bool extra_pass, int *offset)
int ret;
ret = bpf_jit_emit_insn(insn, ctx, extra_pass);
- /* BPF_LD | BPF_IMM | BPF_DW: skip the next instruction. */
if (ret > 0)
- i++;
+ i++; /* skip the next instruction */
if (offset)
offset[i] = ctx->ninsns;
if (ret < 0)
@@ -80,6 +79,8 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
goto skip_init_ctx;
}
+ ctx->arena_vm_start = bpf_arena_get_kern_vm_start(prog->aux->arena);
+ ctx->user_vm_start = bpf_arena_get_user_vm_start(prog->aux->arena);
ctx->prog = prog;
ctx->offset = kcalloc(prog->len, sizeof(int), GFP_KERNEL);
if (!ctx->offset) {
@@ -176,8 +177,7 @@ skip_init_ctx:
prog->jited_len = prog_size - cfi_get_offset();
if (!prog->is_func || extra_pass) {
- if (WARN_ON(bpf_jit_binary_pack_finalize(prog, jit_data->ro_header,
- jit_data->header))) {
+ if (WARN_ON(bpf_jit_binary_pack_finalize(jit_data->ro_header, jit_data->header))) {
/* ro_header has been freed */
jit_data->ro_header = NULL;
prog = orig_prog;
@@ -219,19 +219,6 @@ u64 bpf_jit_alloc_exec_limit(void)
return BPF_JIT_REGION_SIZE;
}
-void *bpf_jit_alloc_exec(unsigned long size)
-{
- return __vmalloc_node_range(size, PAGE_SIZE, BPF_JIT_REGION_START,
- BPF_JIT_REGION_END, GFP_KERNEL,
- PAGE_KERNEL, 0, NUMA_NO_NODE,
- __builtin_return_address(0));
-}
-
-void bpf_jit_free_exec(void *addr)
-{
- return vfree(addr);
-}
-
void *bpf_arch_text_copy(void *dst, void *src, size_t len)
{
int ret;
@@ -269,7 +256,7 @@ void bpf_jit_free(struct bpf_prog *prog)
* before freeing it.
*/
if (jit_data) {
- bpf_jit_binary_pack_finalize(prog, jit_data->ro_header, jit_data->header);
+ bpf_jit_binary_pack_finalize(jit_data->ro_header, jit_data->header);
kfree(jit_data);
}
hdr = bpf_jit_binary_pack_hdr(prog);