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From: Chengwen Feng <fengchengwen@huawei.com>
To: Bjorn Helgaas <bhelgaas@google.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	"Rafael J . Wysocki" <rafael@kernel.org>
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Subject: [PATCH RESEND v10 6/8] perf: arm_cspmu: Switch to acpi_get_cpu_uid() from get_acpi_id_for_cpu()
Date: Wed, 1 Apr 2026 16:16:38 +0800	[thread overview]
Message-ID: <20260401081640.26875-7-fengchengwen@huawei.com> (raw)
In-Reply-To: <20260401081640.26875-1-fengchengwen@huawei.com>

Update arm_cspmu to use acpi_get_cpu_uid() instead of
get_acpi_id_for_cpu(), aligning with unified ACPI CPU UID interface.

No functional changes are introduced by this switch (valid inputs retain
original behavior).

Cc: stable@vger.kernel.org
Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
---
 drivers/perf/arm_cspmu/arm_cspmu.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/perf/arm_cspmu/arm_cspmu.c b/drivers/perf/arm_cspmu/arm_cspmu.c
index 34430b68f602..ed72c3d1f796 100644
--- a/drivers/perf/arm_cspmu/arm_cspmu.c
+++ b/drivers/perf/arm_cspmu/arm_cspmu.c
@@ -1107,15 +1107,17 @@ static int arm_cspmu_acpi_get_cpus(struct arm_cspmu *cspmu)
 {
 	struct acpi_apmt_node *apmt_node;
 	int affinity_flag;
+	u32 cpu_uid;
 	int cpu;
+	int ret;
 
 	apmt_node = arm_cspmu_apmt_node(cspmu->dev);
 	affinity_flag = apmt_node->flags & ACPI_APMT_FLAGS_AFFINITY;
 
 	if (affinity_flag == ACPI_APMT_FLAGS_AFFINITY_PROC) {
 		for_each_possible_cpu(cpu) {
-			if (apmt_node->proc_affinity ==
-			    get_acpi_id_for_cpu(cpu)) {
+			ret = acpi_get_cpu_uid(cpu, &cpu_uid);
+			if (ret == 0 && apmt_node->proc_affinity == cpu_uid) {
 				cpumask_set_cpu(cpu, &cspmu->associated_cpus);
 				break;
 			}
-- 
2.17.1


  parent reply	other threads:[~2026-04-01  8:17 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-01  8:16 [PATCH RESEND v10 0/8] ACPI: Unify CPU UID interface and fix ARM64 TPH steer-tag issue Chengwen Feng
2026-04-01  8:16 ` [PATCH RESEND v10 1/8] arm64: acpi: Add acpi_get_cpu_uid() for unified ACPI CPU UID retrieval Chengwen Feng
2026-04-01  8:16 ` [PATCH RESEND v10 2/8] LoongArch: " Chengwen Feng
2026-04-01  8:16 ` [PATCH RESEND v10 3/8] RISC-V: ACPI: " Chengwen Feng
2026-04-01  8:16 ` [PATCH RESEND v10 4/8] x86/acpi: " Chengwen Feng
2026-04-01  8:16 ` [PATCH RESEND v10 5/8] ACPI: Centralize acpi_get_cpu_uid() declaration in include/linux/acpi.h Chengwen Feng
2026-04-01  8:16 ` Chengwen Feng [this message]
2026-04-01  8:16 ` [PATCH RESEND v10 7/8] ACPI: PPTT: Use acpi_get_cpu_uid() and remove get_acpi_id_for_cpu() Chengwen Feng
2026-04-01  8:16 ` [PATCH RESEND v10 8/8] PCI/TPH: Pass ACPI Processor UID to Cache Locality _DSM Chengwen Feng
2026-04-06 14:58 ` [PATCH RESEND v10 0/8] ACPI: Unify CPU UID interface and fix ARM64 TPH steer-tag issue Rafael J. Wysocki

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