From: sashiko-bot@kernel.org
To: "Lin Wang" <wanglin@open-hieco.net>
Cc: linux-hwmon@vger.kernel.org
Subject: Re: [PATCH v5 2/8] x86/hygon: Map CPU NodeIds to DF nodes
Date: Thu, 10 Sep 2026 08:32:10 +0000 [thread overview]
Message-ID: <20260910083211.60E611F000FF@smtp.kernel.org> (raw)
In-Reply-To: <20260910082734.3771675-3-wanglin@open-hieco.net>
> On bare-metal Hygon systems, CPUID 0x8000001E ECX[7:0] encodes a
> CPU's socket and local CDD ordinal. The value is sparse across sockets
> and cannot be used as an index into the dense DF node cache.
>
> Translate the CPUID value through the CDDs sorted by socket and DFID.
> The NodeId reported by CPUID in a guest may not describe the physical
> DF topology. Return -ENODEV in guests or when the NodeId does not
> identify an enumerated CDD.
>
> Signed-off-by: Lin Wang <wanglin@open-hieco.net>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260910082734.3771675-1-wanglin@open-hieco.net?part=2
next prev parent reply other threads:[~2026-09-10 8:32 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-10 8:27 [PATCH v5 0/8] x86/hygon: Add Family 0x18 DF node enumeration and SMN access Lin Wang
2026-09-10 8:27 ` [PATCH v5 1/8] x86/hygon: Add Family 0x18 DF node enumeration Lin Wang
2026-09-10 8:32 ` sashiko-bot
2026-09-10 8:27 ` [PATCH v5 2/8] x86/hygon: Map CPU NodeIds to DF nodes Lin Wang
2026-09-10 8:32 ` sashiko-bot [this message]
2026-09-10 8:27 ` [PATCH v5 3/8] EDAC/amd64: Stop matching Hygon CPUs Lin Wang
2026-09-10 8:33 ` sashiko-bot
2026-09-10 8:27 ` [PATCH v5 4/8] RAS/AMD/ATL: Match AMD CPUs only Lin Wang
2026-09-10 8:34 ` sashiko-bot
2026-09-10 8:27 ` [PATCH v5 5/8] hwmon: (k10temp) Stop matching Hygon devices Lin Wang
2026-09-10 8:36 ` sashiko-bot
2026-09-11 0:52 ` Guenter Roeck
2026-09-11 1:10 ` Lin Wang
2026-09-10 8:27 ` [PATCH v5 6/8] x86/amd_nb: Restrict the northbridge framework to AMD CPUs Lin Wang
2026-09-10 8:37 ` sashiko-bot
2026-09-10 8:27 ` [PATCH v5 7/8] x86/amd_node: Restrict SMN setup " Lin Wang
2026-09-10 8:43 ` sashiko-bot
2026-09-10 8:27 ` [PATCH v5 8/8] x86/hygon: Add Family 0x18 SMN access Lin Wang
2026-09-10 8:38 ` sashiko-bot
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