From: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
To: "Gautham R. Shenoy" <ego@linux.vnet.ibm.com>
Cc: Michael Neuling <mikey@neuling.org>,
Murilo Opsfelder Araujo <muriloo@linux.ibm.com>,
linux-kernel@vger.kernel.org, Nicholas Piggin <npiggin@gmail.com>,
Dave Hansen <dave.hansen@intel.com>,
Oliver O'Halloran <oohall@gmail.com>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com>,
linuxppc-dev@lists.ozlabs.org,
Akshay Adiga <akshay.adiga@linux.vnet.ibm.com>,
Anton Blanchard <anton@samba.org>
Subject: Re: [PATCH v10 2/3] powerpc: Use cpu_smallcore_sibling_mask at SMT level on bigcores
Date: Fri, 12 Oct 2018 12:30:00 +0530 [thread overview]
Message-ID: <20181012070000.GB28228@linux.vnet.ibm.com> (raw)
In-Reply-To: <1539235983-25259-3-git-send-email-ego@linux.vnet.ibm.com>
* Gautham R. Shenoy <ego@linux.vnet.ibm.com> [2018-10-11 11:03:02]:
> From: "Gautham R. Shenoy" <ego@linux.vnet.ibm.com>
>
>
> +#ifdef CONFIG_SCHED_SMT
> + if (has_big_cores) {
> + pr_info("Using small cores at SMT level\n");
> + power9_topology[0].mask = smallcore_smt_mask;
> + powerpc_topology[0].mask = smallcore_smt_mask;
> + }
> +#endif
> /*
I dont see a way a system can have has_big_core set but use
powerpc_topology.
WARNING: multiple messages have this Message-ID (diff)
From: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
To: "Gautham R. Shenoy" <ego@linux.vnet.ibm.com>
Cc: Dave Hansen <dave.hansen@intel.com>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Michael Neuling <mikey@neuling.org>,
Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>,
Akshay Adiga <akshay.adiga@linux.vnet.ibm.com>,
Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com>,
"Oliver O'Halloran" <oohall@gmail.com>,
Nicholas Piggin <npiggin@gmail.com>,
Murilo Opsfelder Araujo <muriloo@linux.ibm.com>,
Anton Blanchard <anton@samba.org>,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v10 2/3] powerpc: Use cpu_smallcore_sibling_mask at SMT level on bigcores
Date: Fri, 12 Oct 2018 12:30:00 +0530 [thread overview]
Message-ID: <20181012070000.GB28228@linux.vnet.ibm.com> (raw)
In-Reply-To: <1539235983-25259-3-git-send-email-ego@linux.vnet.ibm.com>
* Gautham R. Shenoy <ego@linux.vnet.ibm.com> [2018-10-11 11:03:02]:
> From: "Gautham R. Shenoy" <ego@linux.vnet.ibm.com>
>
>
> +#ifdef CONFIG_SCHED_SMT
> + if (has_big_cores) {
> + pr_info("Using small cores at SMT level\n");
> + power9_topology[0].mask = smallcore_smt_mask;
> + powerpc_topology[0].mask = smallcore_smt_mask;
> + }
> +#endif
> /*
I dont see a way a system can have has_big_core set but use
powerpc_topology.
next prev parent reply other threads:[~2018-10-12 7:02 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-11 5:33 [PATCH v10 0/3] powerpc: Detection and scheduler optimization for POWER9 bigcore Gautham R. Shenoy
2018-10-11 5:33 ` Gautham R. Shenoy
2018-10-11 5:33 ` [PATCH v10 1/3] powerpc: Detect the presence of big-cores via "ibm, thread-groups" Gautham R. Shenoy
2018-10-11 5:33 ` [PATCH v10 1/3] powerpc: Detect the presence of big-cores via "ibm,thread-groups" Gautham R. Shenoy
2018-10-12 6:58 ` Srikar Dronamraju
2018-10-12 6:58 ` Srikar Dronamraju
2018-10-15 4:01 ` [v10, 1/3] powerpc: Detect the presence of big-cores via "ibm, thread-groups" Michael Ellerman
2018-10-11 5:33 ` [PATCH v10 2/3] powerpc: Use cpu_smallcore_sibling_mask at SMT level on bigcores Gautham R. Shenoy
2018-10-11 5:33 ` Gautham R. Shenoy
2018-10-12 7:00 ` Srikar Dronamraju [this message]
2018-10-12 7:00 ` Srikar Dronamraju
2018-10-11 5:33 ` [PATCH v10 3/3] powerpc/cacheinfo: Report the correct shared_cpu_map on big-cores Gautham R. Shenoy
2018-10-11 5:33 ` Gautham R. Shenoy
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