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Miller" Subject: [PATCH bpf-next v3 06/12] bpf: sparc64: Use 32-bit tail call index Date: Wed, 22 Feb 2023 23:37:08 +0100 Message-Id: <20230222223714.80671-7-iii@linux.ibm.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230222223714.80671-1-iii@linux.ibm.com> References: <20230222223714.80671-1-iii@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: qkGnz_qE7mKphg_W0VUY7JyFs8g4UqS0 X-Proofpoint-GUID: QD4tscLp8nPS6CwhMwizbSZXtp7mCj8H X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.170.22 definitions=2023-02-22_10,2023-02-22_02,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 adultscore=0 spamscore=0 priorityscore=1501 mlxscore=0 malwarescore=0 impostorscore=0 lowpriorityscore=0 phishscore=0 mlxlogscore=999 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2302220195 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org The interpreter does the following: u32 index = BPF_R3; and JITs should do the same. Cc: David S. Miller Signed-off-by: Ilya Leoshkevich --- arch/sparc/net/bpf_jit_comp_64.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/sparc/net/bpf_jit_comp_64.c b/arch/sparc/net/bpf_jit_comp_64.c index 0a3c18e39199..6c482685dc6c 100644 --- a/arch/sparc/net/bpf_jit_comp_64.c +++ b/arch/sparc/net/bpf_jit_comp_64.c @@ -856,6 +856,7 @@ static void emit_tail_call(struct jit_ctx *ctx) ctx->saw_tail_call = true; + emit_alu_K(SRL, bpf_index, 0, ctx); off = offsetof(struct bpf_array, map.max_entries); emit(LD32 | IMMED | RS1(bpf_array) | S13(off) | RD(tmp), ctx); emit_cmp(bpf_index, tmp, ctx); -- 2.39.1