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Rao" To: Alexei Starovoitov , Daniel Borkmann Subject: [PATCH 0/2] powerpc/bpf: DIV64 instruction fix Date: Thu, 13 Jun 2019 00:21:38 +0530 X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 x-cbid: 19061218-4275-0000-0000-00000341C5F3 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19061218-4276-0000-0000-00003851DD44 Message-Id: X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-06-12_11:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=514 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906120127 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" The first patch updates DIV64 overflow tests to properly detect error conditions. The second patch fixes powerpc64 JIT to generate the proper unsigned division instruction for BPF_ALU64. - Naveen Naveen N. Rao (2): bpf: fix div64 overflow tests to properly detect errors powerpc/bpf: use unsigned division instruction for 64-bit operations arch/powerpc/include/asm/ppc-opcode.h | 1 + arch/powerpc/net/bpf_jit.h | 2 +- arch/powerpc/net/bpf_jit_comp64.c | 8 ++++---- .../testing/selftests/bpf/verifier/div_overflow.c | 14 ++++++++++---- 4 files changed, 16 insertions(+), 9 deletions(-) -- 2.21.0