From: sashiko-bot@kernel.org
To: "Lin Wang" <wanglin@open-hieco.net>
Cc: linux-hwmon@vger.kernel.org
Subject: Re: [PATCH v5 1/8] x86/hygon: Add Family 0x18 DF node enumeration
Date: Thu, 10 Sep 2026 08:32:46 +0000 [thread overview]
Message-ID: <20260910083247.27A891F00893@smtp.kernel.org> (raw)
In-Reply-To: <20260910082734.3771675-2-wanglin@open-hieco.net>
> The AMD node code locates function 3 for node N at PCI slot 0x18 + N.
> Hygon has no equivalent node-index-to-slot mapping: DF F3 devices are
> discovered by PCI ID and the PCI BDF is only an access point.
>
> F1x200 supplies the socket ID and SocketPresent mask. The DFID comes
> from F1x200 or F5x180, depending on the CPU model. The (socket ID,
> DFID) pair identifies a DF node. The cache is published only when the
> socket IDs observed during PCI enumeration match SocketPresent.
>
> The resulting cache places Core and DDR Dies (CDDs) before I/O Dies
> (IODs), with each group ordered by socket and DFID. The node interfaces
> provide node counts and identity, F3/F4 lookup, and PCI device-to-node
> lookup.
>
> 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=1
next prev parent reply other threads:[~2026-09-10 8:32 UTC|newest]
Thread overview: 21+ 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 [this message]
2026-09-16 15:59 ` Borislav Petkov
2026-09-17 1:30 ` Lin Wang
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
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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