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Mon, 27 Jul 2020 05:18:33 +0000 Received: from d06av23.portsmouth.uk.ibm.com (d06av23.portsmouth.uk.ibm.com [9.149.105.59]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 06R5IVjc31129938 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 27 Jul 2020 05:18:31 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 79081A4055; Mon, 27 Jul 2020 05:18:31 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CC91FA4053; Mon, 27 Jul 2020 05:18:27 +0000 (GMT) Received: from srikart450.in.ibm.com (unknown [9.85.97.241]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 27 Jul 2020 05:18:27 +0000 (GMT) From: Srikar Dronamraju To: Michael Ellerman Subject: [PATCH v4 04/10] powerpc/smp: Move topology fixups into a new function Date: Mon, 27 Jul 2020 10:47:59 +0530 Message-Id: <20200727051805.16728-5-srikar@linux.vnet.ibm.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200727051805.16728-1-srikar@linux.vnet.ibm.com> References: <20200727051805.16728-1-srikar@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-07-27_03:2020-07-27, 2020-07-27 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 adultscore=0 spamscore=0 mlxscore=0 lowpriorityscore=0 phishscore=0 impostorscore=0 bulkscore=0 mlxlogscore=999 clxscore=1015 suspectscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2007270032 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: Nathan Lynch , Gautham R Shenoy , Michael Neuling , Srikar Dronamraju , Peter Zijlstra , Jordan Niethe , LKML , Nicholas Piggin , Valentin Schneider , Oliver O'Halloran , linuxppc-dev , Ingo Molnar Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Move topology fixup based on the platform attributes into its own function which is called just before set_sched_topology. Cc: linuxppc-dev Cc: LKML Cc: Michael Ellerman Cc: Nicholas Piggin Cc: Anton Blanchard Cc: Oliver O'Halloran Cc: Nathan Lynch Cc: Michael Neuling Cc: Gautham R Shenoy Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Valentin Schneider Cc: Jordan Niethe Reviewed-by: Gautham R. Shenoy Signed-off-by: Srikar Dronamraju --- Changelog v2 -> v3: Rewrote changelog (Gautham) Renamed to powerpc/smp: Move topology fixups into a new function arch/powerpc/kernel/smp.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index a685915e5941..da27f6909be1 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -1368,6 +1368,16 @@ int setup_profiling_timer(unsigned int multiplier) return 0; } +static void fixup_topology(void) +{ +#ifdef CONFIG_SCHED_SMT + if (has_big_cores) { + pr_info("Big cores detected but using small core scheduling\n"); + powerpc_topology[0].mask = smallcore_smt_mask; + } +#endif +} + void __init smp_cpus_done(unsigned int max_cpus) { /* @@ -1381,12 +1391,7 @@ void __init smp_cpus_done(unsigned int max_cpus) dump_numa_cpu_topology(); -#ifdef CONFIG_SCHED_SMT - if (has_big_cores) { - pr_info("Big cores detected but using small core scheduling\n"); - powerpc_topology[0].mask = smallcore_smt_mask; - } -#endif + fixup_topology(); set_sched_topology(powerpc_topology); } -- 2.17.1