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Peter Anvin" , linux-kernel@vger.kernel.org Subject: [PATCH RESEND v5 4/8] x86/platform/uv: When searching for minimums, start at INT_MAX not 99999 Date: Fri, 19 May 2023 14:07:48 -0500 Message-Id: <20230519190752.3297140-5-steve.wahl@hpe.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20230519190752.3297140-1-steve.wahl@hpe.com> References: <20230519190752.3297140-1-steve.wahl@hpe.com> MIME-Version: 1.0 X-Proofpoint-GUID: cupTB5sazIprDdann-4dLOtLEvBMKSQg X-Proofpoint-ORIG-GUID: cupTB5sazIprDdann-4dLOtLEvBMKSQg X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-19_14,2023-05-17_02,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 bulkscore=0 lowpriorityscore=0 spamscore=0 impostorscore=0 mlxscore=0 adultscore=0 malwarescore=0 mlxlogscore=961 phishscore=0 clxscore=1015 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305190164 X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1766353465818178058?= X-GMAIL-MSGID: =?utf-8?q?1766353465818178058?= Using a starting value of INT_MAX rather than 999999 or 99999 means this algorithm won't fail should the numbers being compared ever exceed this value. Signed-off-by: Steve Wahl --- arch/x86/kernel/apic/x2apic_uv_x.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 6d2739eadb71..2da84befabf0 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -1349,7 +1349,7 @@ static void __init decode_gam_rng_tbl(unsigned long ptr) struct uv_gam_range_entry *gre = (struct uv_gam_range_entry *)ptr; unsigned long lgre = 0, gend = 0; int index = 0; - int sock_min = 999999, pnode_min = 99999; + int sock_min = INT_MAX, pnode_min = INT_MAX; int sock_max = -1, pnode_max = -1; uv_gre_table = gre; @@ -1694,7 +1694,7 @@ static void __init uv_system_init_hub(void) { struct uv_hub_info_s hub_info = {0}; int bytes, cpu, nodeid; - unsigned short min_pnode = 9999, max_pnode = 0; + unsigned short min_pnode = USHRT_MAX, max_pnode = 0; char *hub = is_uv5_hub() ? "UV500" : is_uv4_hub() ? "UV400" : is_uv3_hub() ? "UV300" :