From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ED1911D5CD4 for ; Fri, 19 Dec 2025 19:13:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766171600; cv=none; b=XOGspwdkrYvfAkTBQfLnYDJUvY4ArT72qn0cEx8zTCS9UyhWVV1Z2WSvOs74CmLFPOwEPkhhdG+lSAtpekg8QDZApewDwheL706uuzjsu4XwleOMwkuqb7piMEDl9N7LWAFL1PplBzvDrxWakHo3ZSgn+SOhEJ0m7G9OZIYmN2A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766171600; c=relaxed/simple; bh=bNjCGaEWJYJ9D3C/P+SCnczJupzEw0pdhQAN2wkW+FQ=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=ULUdANp0/a/tYkR+aDnX2zUIkgEbywGL0R6BLmkSkpoY2pPljO/d1L9EzRVSrm2t+2+xyHPGXYV/EdtzZz/k+RV2Ed6jJm7S9ewjiAAZ1oyVadE+84jPFcAcMzJ0cXvSYspEuMZQ7UiXxOh0iPPuDR/ItSd7CvIEppw+n72v0Tk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KDgyx7yv; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="KDgyx7yv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 56E50C4CEF1; Fri, 19 Dec 2025 19:13:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766171599; bh=bNjCGaEWJYJ9D3C/P+SCnczJupzEw0pdhQAN2wkW+FQ=; h=From:To:Cc:Subject:Date:From; b=KDgyx7yvvBl7t6cWEy5UX965mT27TE6ZyhMo7X2huTva91K6g4pUPHG/nAy7PdEXU 6V04AAF2ogpTiCZ28pIsXv0nmqUagijrRI4NexZJZssL4fhHCgWgVcYsiZWCVr+fGf 4yfK5IbRiTpVTpX3FI5WwrnAGV2PDPt2nE55xZa/uWNn8n6bkhqtzoJdQF+bwvMkvd dSsTquVb90K4NBQcrYkYNHYmuJILDuYDetNkGqovg6/rWWo1TZupCWHnbXORrMqWlz rtovLyhNMj99Wjbgrq3IGxjNredqAs22YX223sNW51OMXZb36vJr5ZQnUk4AGgk/XS 3QGo47LsKqerA== From: Puranjay Mohan To: bpf@vger.kernel.org Cc: Puranjay Mohan , Puranjay Mohan , Alexei Starovoitov , Andrii Nakryiko , Daniel Borkmann , Martin KaFai Lau , Eduard Zingerman , Kumar Kartikeya Dwivedi , kernel-team@meta.com, Catalin Marinas , Will Deacon , Mark Rutland , linux-arm-kernel@lists.infradead.org, Yonghong Song Subject: [PATCH bpf-next] bpf: arm64: fix sparse warnings Date: Fri, 19 Dec 2025 11:13:08 -0800 Message-ID: <20251219191310.3204425-1-puranjay@kernel.org> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit ctx->image is declared as __le32 because arm64 instructions are LE regardless of CPU's runtime endianness. emit_u32_data() emits raw data and not instructions so cast the value to __le32 to fix the sparse warning. Cast function pointer to void * before doing arithmetic. Signed-off-by: Puranjay Mohan --- arch/arm64/net/bpf_jit_comp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c index b6eb7a465ad2..0c4d44bcfbf4 100644 --- a/arch/arm64/net/bpf_jit_comp.c +++ b/arch/arm64/net/bpf_jit_comp.c @@ -118,7 +118,7 @@ static inline void emit(const u32 insn, struct jit_ctx *ctx) static inline void emit_u32_data(const u32 data, struct jit_ctx *ctx) { if (ctx->image != NULL && ctx->write) - ctx->image[ctx->idx] = data; + ctx->image[ctx->idx] = (__force __le32)data; ctx->idx++; } @@ -3139,7 +3139,7 @@ void bpf_jit_free(struct bpf_prog *prog) bpf_jit_binary_pack_finalize(jit_data->ro_header, jit_data->header); kfree(jit_data); } - prog->bpf_func -= cfi_get_offset(); + prog->bpf_func = (void *)prog->bpf_func - cfi_get_offset(); hdr = bpf_jit_binary_pack_hdr(prog); bpf_jit_binary_pack_free(hdr, NULL); priv_stack_ptr = prog->aux->priv_stack_ptr; base-commit: ec439c38013550420aecc15988ae6acb670838c1 -- 2.47.3