summaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2020-03-13 11:13:45 -0700
committerDavid S. Miller <davem@davemloft.net>2020-03-13 11:13:45 -0700
commit242a6df688dcad7c55105280a79aaff83addf7ce (patch)
treef9adee4a9f9cc9e55bcace5b5ae91fdc032c0699 /arch
parent0d81a3f29c0afb18ba2b1275dcccf21e0dd4da38 (diff)
parent90db6d772f749e38171d04619a5e3cd8804a6d02 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Alexei Starovoitov says: ==================== pull-request: bpf 2020-03-12 The following pull-request contains BPF updates for your *net* tree. We've added 12 non-merge commits during the last 8 day(s) which contain a total of 12 files changed, 161 insertions(+), 15 deletions(-). The main changes are: 1) Andrii fixed two bugs in cgroup-bpf. 2) John fixed sockmap. 3) Luke fixed x32 jit. 4) Martin fixed two issues in struct_ops. 5) Yonghong fixed bpf_send_signal. 6) Yoshiki fixed BTF enum. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/net/bpf_jit_comp32.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86/net/bpf_jit_comp32.c b/arch/x86/net/bpf_jit_comp32.c
index 393d251798c0..4d2a7a764602 100644
--- a/arch/x86/net/bpf_jit_comp32.c
+++ b/arch/x86/net/bpf_jit_comp32.c
@@ -2039,10 +2039,12 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
}
/* and dreg_lo,sreg_lo */
EMIT2(0x23, add_2reg(0xC0, sreg_lo, dreg_lo));
- /* and dreg_hi,sreg_hi */
- EMIT2(0x23, add_2reg(0xC0, sreg_hi, dreg_hi));
- /* or dreg_lo,dreg_hi */
- EMIT2(0x09, add_2reg(0xC0, dreg_lo, dreg_hi));
+ if (is_jmp64) {
+ /* and dreg_hi,sreg_hi */
+ EMIT2(0x23, add_2reg(0xC0, sreg_hi, dreg_hi));
+ /* or dreg_lo,dreg_hi */
+ EMIT2(0x09, add_2reg(0xC0, dreg_lo, dreg_hi));
+ }
goto emit_cond_jmp;
}
case BPF_JMP | BPF_JSET | BPF_K: