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author | Maxime Ripard <mripard@kernel.org> | 2024-06-14 10:55:46 +0300 |
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committer | Maxime Ripard <mripard@kernel.org> | 2024-06-14 10:55:46 +0300 |
commit | 14731a640e5513bd514adcf35e96c84ad42f540d (patch) | |
tree | ab909e6f1506c1d2cff57fbb86a1d6f295b1b413 /arch/arc/net/bpf_jit_core.c | |
parent | 41f590e31c6c8b8a0a490b7c1ad2e57c20ec3d9b (diff) | |
parent | f1909e859753c9bda87c6d2b82a7f832ef80aa2d (diff) | |
download | linux-14731a640e5513bd514adcf35e96c84ad42f540d.tar.xz |
Merge drm/drm-fixes into drm-misc-fixes
Roll -rc3 and current drm/fixes in.
This will also unstuck our for-next branch.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'arch/arc/net/bpf_jit_core.c')
-rw-r--r-- | arch/arc/net/bpf_jit_core.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/arch/arc/net/bpf_jit_core.c b/arch/arc/net/bpf_jit_core.c index 6f6b4ffccf2c..e3628922c24a 100644 --- a/arch/arc/net/bpf_jit_core.c +++ b/arch/arc/net/bpf_jit_core.c @@ -159,7 +159,7 @@ static void jit_dump(const struct jit_context *ctx) /* Initialise the context so there's no garbage. */ static int jit_ctx_init(struct jit_context *ctx, struct bpf_prog *prog) { - memset(ctx, 0, sizeof(ctx)); + memset(ctx, 0, sizeof(*ctx)); ctx->orig_prog = prog; @@ -167,7 +167,7 @@ static int jit_ctx_init(struct jit_context *ctx, struct bpf_prog *prog) ctx->prog = bpf_jit_blind_constants(prog); if (IS_ERR(ctx->prog)) return PTR_ERR(ctx->prog); - ctx->blinded = (ctx->prog == ctx->orig_prog ? false : true); + ctx->blinded = (ctx->prog != ctx->orig_prog); /* If the verifier doesn't zero-extend, then we have to do it. */ ctx->do_zext = !ctx->prog->aux->verifier_zext; @@ -1182,12 +1182,12 @@ static int jit_prepare(struct jit_context *ctx) } /* - * All the "handle_*()" functions have been called before by the - * "jit_prepare()". If there was an error, we would know by now. - * Therefore, no extra error checking at this point, other than - * a sanity check at the end that expects the calculated length - * (jit.len) to be equal to the length of generated instructions - * (jit.index). + * jit_compile() is the real compilation phase. jit_prepare() is + * invoked before jit_compile() as a dry-run to make sure everything + * will go OK and allocate the necessary memory. + * + * In the end, jit_compile() checks if it has produced the same number + * of instructions as jit_prepare() would. */ static int jit_compile(struct jit_context *ctx) { @@ -1407,9 +1407,9 @@ static struct bpf_prog *do_extra_pass(struct bpf_prog *prog) /* * This function may be invoked twice for the same stream of BPF - * instructions. The "extra pass" happens, when there are "call"s - * involved that their addresses are not known during the first - * invocation. + * instructions. The "extra pass" happens, when there are + * (re)locations involved that their addresses are not known + * during the first run. */ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog) { |