diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-05-03 21:41:35 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-05-03 21:41:35 +0200 |
| commit | ad15f74ac6c7ed1c7c252a760b017da042ec83fb (patch) | |
| tree | 0b8643ae709d8f413f9b58b544d65aeaf48a0c7a /kernel/bpf/core.c | |
| parent | 8a2d6ae1f737fd22eaeadd0dc32b85c92f239025 (diff) | |
| parent | 8b03d1ed2c43a2ba5ef3381322ee4515b97381bf (diff) | |
Merge tag 'tags/drm-for-v4.12' into drm-intel-next-queued
Backmerge the main drm-next pull to sync up.
Chris also pointed out that
commit ade0b0c965f59176daddbef9c4717354034f9bce
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Sat Apr 22 09:15:37 2017 +0100
drm/i915: Confirm the request is still active before adding it to the await
is double-applied in the git merge, so make sure we get this right.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'kernel/bpf/core.c')
| -rw-r--r-- | kernel/bpf/core.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index f45827e205d3..b4f1cb0c5ac7 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -1162,12 +1162,12 @@ out: LD_ABS_W: /* BPF_R0 = ntohl(*(u32 *) (skb->data + imm32)) */ off = IMM; load_word: - /* BPF_LD + BPD_ABS and BPF_LD + BPF_IND insns are - * only appearing in the programs where ctx == - * skb. All programs keep 'ctx' in regs[BPF_REG_CTX] - * == BPF_R6, bpf_convert_filter() saves it in BPF_R6, - * internal BPF verifier will check that BPF_R6 == - * ctx. + /* BPF_LD + BPD_ABS and BPF_LD + BPF_IND insns are only + * appearing in the programs where ctx == skb + * (see may_access_skb() in the verifier). All programs + * keep 'ctx' in regs[BPF_REG_CTX] == BPF_R6, + * bpf_convert_filter() saves it in BPF_R6, internal BPF + * verifier will check that BPF_R6 == ctx. * * BPF_ABS and BPF_IND are wrappers of function calls, * so they scratch BPF_R1-BPF_R5 registers, preserve |
