From: Kayra Cizmeci <kayracizmeci@gmail.com>
To: tim.c.chen@linux.intel.com
Cc: KPrateek.Nayak@amd.com, Vishal.Badole@amd.com,
justinstitt@google.com, kayracizmeci@gmail.com,
klaus.kusche@computerix.info, linux-kernel@vger.kernel.org,
llvm@lists.linux.dev, mario.limonciello@amd.com,
mingo@redhat.com, morbo@google.com, nathan@kernel.org,
ndesaulniers@google.com, peterz@infradead.org,
platform-driver-x86@vger.kernel.org, ricardo.neri@intel.com,
stable@vger.kernel.org, x86@kernel.org, yu.c.chen@intel.com
Subject: Re: [PATCH] sched/cache: Honor asym packing over cache aware scheduling on hybrid system
Date: Wed, 30 Sep 2026 08:13:27 +0300 [thread overview]
Message-ID: <20260930051327.206529-1-kayracizmeci@gmail.com> (raw)
In-Reply-To: <7790ab6c5da3aeac42f6878f0a167c6cddebb354.camel@linux.intel.com>
> Are you saying that we should update the first chunk to add an env->idle check
> to match the asym_packing migration pre-requisite? Like below?
> @@ -10847,6 +10849,10 @@ static enum llc_mig can_migrate_llc_task(struct lb_env *env,
> if (cpu < 0 || cpus_share_cache(src_cpu, dst_cpu))
> return mig_unrestricted;
> + /* Prioritize asym packing over cache awareness */
> + if (env->idle && sched_asym(env->sd, dst_cpu, src_cpu))
> + return mig_unrestricted;
> +
> I think this is a valid point.
Yeah. :>.
Thaks,
Kayra
> Tim
prev parent reply other threads:[~2026-09-30 5:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-28 18:37 Tim Chen
2026-09-28 19:52 ` Kayra Cizmeci
2026-09-29 17:51 ` Tim Chen
2026-09-29 18:21 ` Kayra Cizmeci
2026-09-29 20:08 ` Tim Chen
2026-09-30 5:13 ` Kayra Cizmeci [this message]
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