From: Peter Zijlstra <peterz@infradead.org>
To: Li Chen <me@linux.beauty>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H . Peter Anvin" <hpa@zytor.com>,
"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
Sohil Mehta <sohil.mehta@intel.com>,
Brian Gerst <brgerst@gmail.com>,
Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>,
linux-kernel@vger.kernel.org, Li Chen <chenl311@chinatelecom.cn>,
K Prateek Nayak <kprateek.nayak@amd.com>
Subject: Re: [PATCH v5 3/4] x86/smpboot: moves x86_topology to static initialize and truncate
Date: Fri, 11 Jul 2025 14:35:23 +0200 [thread overview]
Message-ID: <20250711123523.GC905792@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <20250710105715.66594-4-me@linux.beauty>
On Thu, Jul 10, 2025 at 06:57:09PM +0800, Li Chen wrote:
> + memset(&x86_topology[pkgdom], 0, sizeof(x86_topology[pkgdom]));
$ git grep "memset(&\([^,]*\), 0, sizeof(\1))" | wc -l
6439
$ git grep "memset(\([^,]*\), 0, sizeof(\*\1))" | wc -l
3319
But we don't have anything like:
#define zero_ref(var) memset(&(var), 0, sizeof(var))
#define zero_ptr(ptr) memset((ptr), 0, sizeof(*(ptr)))
Oh well..
next prev parent reply other threads:[~2025-07-11 12:35 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-10 10:57 [PATCH v5 0/4] x86/smpboot: tidy sched-topology and drop useless SMT level Li Chen
2025-07-10 10:57 ` [PATCH v5 1/4] smpboot: introduce SDTL_INIT() helper to tidy sched topology setup Li Chen
2025-07-11 5:50 ` K Prateek Nayak
2025-07-11 13:06 ` Peter Zijlstra
2025-07-14 4:03 ` K Prateek Nayak
2025-07-14 8:57 ` Peter Zijlstra
2025-07-11 16:16 ` Valentin Schneider
2025-07-14 9:10 ` [tip: sched/core] sched/topology: Remove sched_domain_topology_level::flags tip-bot2 for K Prateek Nayak
2025-07-11 12:25 ` [PATCH v5 1/4] smpboot: introduce SDTL_INIT() helper to tidy sched topology setup Peter Zijlstra
2025-07-14 9:10 ` [tip: sched/core] " tip-bot2 for Li Chen
2025-07-10 10:57 ` [PATCH v5 2/4] x86/smpboot: remove redundant CONFIG_SCHED_SMT Li Chen
2025-07-14 9:10 ` [tip: sched/core] " tip-bot2 for Li Chen
2025-07-10 10:57 ` [PATCH v5 3/4] x86/smpboot: moves x86_topology to static initialize and truncate Li Chen
2025-07-11 12:35 ` Peter Zijlstra [this message]
2025-07-14 9:10 ` [tip: sched/core] " tip-bot2 for Li Chen
2025-07-10 10:57 ` [PATCH v5 4/4] x86/smpboot: avoid SMT domain attach/destroy if SMT is not enabled Li Chen
2025-07-14 9:10 ` [tip: sched/core] " tip-bot2 for Li Chen
2025-07-11 5:52 ` [PATCH v5 0/4] x86/smpboot: tidy sched-topology and drop useless SMT level K Prateek Nayak
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