From: Jonathan Cameron <jonathan.cameron@huawei.com>
To: Chengwen Feng <fengchengwen@huawei.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
Catalin Marinas <catalin.marinas@arm.com>,
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Subject: Re: [PATCH v9 0/7] ACPI: Unify CPU UID interface and fix ARM64 TPH steer-tag issue
Date: Thu, 19 Mar 2026 10:58:32 +0000 [thread overview]
Message-ID: <20260319105832.00002218@huawei.com> (raw)
In-Reply-To: <20260319065735.45954-1-fengchengwen@huawei.com>
On Thu, 19 Mar 2026 14:57:28 +0800
Chengwen Feng <fengchengwen@huawei.com> wrote:
> This patchset unifies ACPI Processor UID retrieval across
> arm64/loongarch/riscv/x86 via acpi_get_cpu_uid() (with input validation)
> and fixes ARM64 CPU steer-tag retrieval failure in PCI/TPH:
>
> 1-4: Add acpi_get_cpu_uid() for arm64/loongarch/riscv/x86 (update
> respective users)
> 5: Centralize acpi_get_cpu_uid() declaration in include/linux/acpi.h
> 6: Clean up ACPI/PPTT and remove unused get_acpi_id_for_cpu()
> 7: Fix ARM64 platform CPU steer-tag retrieval failure
>
> The interface refactor ensures consistent CPU UID retrieval across
> architectures (no functional changes for valid inputs) and provides the
> unified interface required for the ARM64 TPH fix.
Given the structure of the series has slowly evolved since I gave
tags, I took another look. All looks good to me.
Nice work.
Jonathan
prev parent reply other threads:[~2026-03-19 10:58 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-19 6:57 [PATCH v9 0/7] ACPI: Unify CPU UID interface and fix ARM64 TPH steer-tag issue Chengwen Feng
2026-03-19 6:57 ` [PATCH v9 1/7] arm64/acpi: Add acpi_get_cpu_uid() and switch arm_cspmu to use it Chengwen Feng
2026-03-19 15:46 ` Punit Agrawal
2026-03-20 3:20 ` fengchengwen
2026-03-19 6:57 ` [PATCH v9 2/7] loongarch/acpi: Add acpi_get_cpu_uid() declaration and implementation Chengwen Feng
2026-03-19 6:57 ` [PATCH v9 3/7] riscv/acpi: Add acpi_get_cpu_uid() implementation and update users Chengwen Feng
2026-03-19 6:57 ` [PATCH v9 4/7] x86/acpi: Add acpi_get_cpu_uid() implementation and update Xen users Chengwen Feng
2026-03-19 7:05 ` Jürgen Groß
2026-03-19 6:57 ` [PATCH v9 5/7] ACPI: Centralize acpi_get_cpu_uid() declaration in include/linux/acpi.h Chengwen Feng
2026-03-19 6:57 ` [PATCH v9 6/7] ACPI: PPTT: Use acpi_get_cpu_uid() and remove get_acpi_id_for_cpu() Chengwen Feng
2026-03-19 6:57 ` [PATCH v9 7/7] PCI/TPH: Fix get cpu steer-tag fail on ARM64 platform Chengwen Feng
2026-03-19 18:32 ` Bjorn Helgaas
2026-03-20 3:26 ` fengchengwen
2026-03-19 10:58 ` Jonathan Cameron [this message]
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