From: sashiko-bot@kernel.org
To: "Lin Wang" <wanglin@open-hieco.net>
Cc: linux-pci@vger.kernel.org
Subject: Re: [PATCH v4 5/5] x86/hygon: Add Family 0x18 SMN access
Date: Tue, 01 Sep 2026 07:28:11 +0000 [thread overview]
Message-ID: <20260901072812.3CBD31F000E9@smtp.kernel.org> (raw)
In-Reply-To: <20260901071700.3255382-6-wanglin@open-hieco.net>
> Hygon Family 0x18 DF nodes in a socket share an SMN ingress. The root
> groups therefore need to be associated with sockets before they can be
> expanded to the dense DF node indices.
>
> Build the node-to-root map after DF enumeration and expose Hygon SMN
> read and write helpers. Hold a reference and reserve PCI config space
> for every root used by the built-in node layer. SMN remains unavailable
> if root discovery or mapping fails.
>
> 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/20260901071700.3255382-1-wanglin@open-hieco.net?part=5
prev parent reply other threads:[~2026-09-01 7:28 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-01 7:16 [PATCH v4 0/5] x86/hygon: Add Family 0x18 DF node enumeration and SMN access Lin Wang
2026-09-01 7:16 ` [PATCH v4 1/5] pci_ids: Add Hygon Family 0x18 DF F3/F4 device IDs Lin Wang
2026-09-01 7:34 ` sashiko-bot
2026-09-03 22:10 ` Bjorn Helgaas
2026-09-04 3:18 ` Lin Wang
2026-09-01 7:16 ` [PATCH v4 2/5] x86/hygon: Add Family 0x18 DF node enumeration Lin Wang
2026-09-01 7:29 ` sashiko-bot
2026-09-01 7:16 ` [PATCH v4 3/5] x86/hygon: Map CPU NodeIds to DF nodes Lin Wang
2026-09-01 7:32 ` sashiko-bot
2026-09-01 7:16 ` [PATCH v4 4/5] x86/amd_node: Skip SMN setup on Hygon Fam18h models 0x04-0x08 Lin Wang
2026-09-01 7:34 ` sashiko-bot
2026-09-02 2:48 ` Borislav Petkov
2026-09-02 6:22 ` Lin Wang
2026-09-02 15:13 ` Borislav Petkov
2026-09-03 1:49 ` Lin Wang
2026-09-03 17:34 ` Yazen Ghannam
2026-09-04 2:43 ` Lin Wang
2026-09-04 5:36 ` Borislav Petkov
2026-09-04 6:26 ` Lin Wang
2026-09-01 7:17 ` [PATCH v4 5/5] x86/hygon: Add Family 0x18 SMN access Lin Wang
2026-09-01 7:28 ` sashiko-bot [this message]
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