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From: "Xin Li (Intel)" <xin@zytor.com>
To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
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Subject: [RFC PATCH v2 03/34] x86/msr: Rename rdpmcl() to rdpmcq()
Date: Tue, 22 Apr 2025 01:21:44 -0700	[thread overview]
Message-ID: <20250422082216.1954310-4-xin@zytor.com> (raw)
In-Reply-To: <20250422082216.1954310-1-xin@zytor.com>

Signed-off-by: Xin Li (Intel) <xin@zytor.com>
---
 arch/x86/events/amd/uncore.c              |  2 +-
 arch/x86/events/core.c                    |  2 +-
 arch/x86/events/intel/core.c              |  4 ++--
 arch/x86/events/intel/ds.c                |  2 +-
 arch/x86/include/asm/msr.h                |  2 +-
 arch/x86/include/asm/paravirt.h           |  2 +-
 arch/x86/kernel/cpu/resctrl/pseudo_lock.c | 12 ++++++------
 7 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/arch/x86/events/amd/uncore.c b/arch/x86/events/amd/uncore.c
index f231e1078e51..b9933ab3116c 100644
--- a/arch/x86/events/amd/uncore.c
+++ b/arch/x86/events/amd/uncore.c
@@ -152,7 +152,7 @@ static void amd_uncore_read(struct perf_event *event)
 	if (hwc->event_base_rdpmc < 0)
 		rdmsrq(hwc->event_base, new);
 	else
-		rdpmcl(hwc->event_base_rdpmc, new);
+		rdpmcq(hwc->event_base_rdpmc, new);
 
 	local64_set(&hwc->prev_count, new);
 	delta = (new << COUNTER_SHIFT) - (prev << COUNTER_SHIFT);
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
index d390472f6c10..3da1f0b3446c 100644
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -139,7 +139,7 @@ u64 x86_perf_event_update(struct perf_event *event)
 	 */
 	prev_raw_count = local64_read(&hwc->prev_count);
 	do {
-		rdpmcl(hwc->event_base_rdpmc, new_raw_count);
+		rdpmcq(hwc->event_base_rdpmc, new_raw_count);
 	} while (!local64_try_cmpxchg(&hwc->prev_count,
 				      &prev_raw_count, new_raw_count));
 
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index 1aed31514869..ba623e6cae1b 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -2739,12 +2739,12 @@ static u64 intel_update_topdown_event(struct perf_event *event, int metric_end,
 
 	if (!val) {
 		/* read Fixed counter 3 */
-		rdpmcl((3 | INTEL_PMC_FIXED_RDPMC_BASE), slots);
+		rdpmcq((3 | INTEL_PMC_FIXED_RDPMC_BASE), slots);
 		if (!slots)
 			return 0;
 
 		/* read PERF_METRICS */
-		rdpmcl(INTEL_PMC_FIXED_RDPMC_METRICS, metrics);
+		rdpmcq(INTEL_PMC_FIXED_RDPMC_METRICS, metrics);
 	} else {
 		slots = val[0];
 		metrics = val[1];
diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index f33395c2e925..4074567219de 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -2279,7 +2279,7 @@ intel_pmu_save_and_restart_reload(struct perf_event *event, int count)
 	WARN_ON(this_cpu_read(cpu_hw_events.enabled));
 
 	prev_raw_count = local64_read(&hwc->prev_count);
-	rdpmcl(hwc->event_base_rdpmc, new_raw_count);
+	rdpmcq(hwc->event_base_rdpmc, new_raw_count);
 	local64_set(&hwc->prev_count, new_raw_count);
 
 	/*
diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index e05466e486fc..ed32637b1df6 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -234,7 +234,7 @@ static inline int rdmsrq_safe(u32 msr, u64 *p)
 	return err;
 }
 
-#define rdpmcl(counter, val) ((val) = native_read_pmc(counter))
+#define rdpmcq(counter, val) ((val) = native_read_pmc(counter))
 
 #endif	/* !CONFIG_PARAVIRT_XXL */
 
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index c4dedb984735..63ca099f8368 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -244,7 +244,7 @@ static inline u64 paravirt_read_pmc(int counter)
 	return PVOP_CALL1(u64, cpu.read_pmc, counter);
 }
 
-#define rdpmcl(counter, val) ((val) = paravirt_read_pmc(counter))
+#define rdpmcq(counter, val) ((val) = paravirt_read_pmc(counter))
 
 static inline void paravirt_alloc_ldt(struct desc_struct *ldt, unsigned entries)
 {
diff --git a/arch/x86/kernel/cpu/resctrl/pseudo_lock.c b/arch/x86/kernel/cpu/resctrl/pseudo_lock.c
index 26c354bdea07..a5e21f44b0ca 100644
--- a/arch/x86/kernel/cpu/resctrl/pseudo_lock.c
+++ b/arch/x86/kernel/cpu/resctrl/pseudo_lock.c
@@ -1019,8 +1019,8 @@ static int measure_residency_fn(struct perf_event_attr *miss_attr,
 	 * used in L1 cache, second to capture accurate value that does not
 	 * include cache misses incurred because of instruction loads.
 	 */
-	rdpmcl(hit_pmcnum, hits_before);
-	rdpmcl(miss_pmcnum, miss_before);
+	rdpmcq(hit_pmcnum, hits_before);
+	rdpmcq(miss_pmcnum, miss_before);
 	/*
 	 * From SDM: Performing back-to-back fast reads are not guaranteed
 	 * to be monotonic.
@@ -1028,8 +1028,8 @@ static int measure_residency_fn(struct perf_event_attr *miss_attr,
 	 * before proceeding.
 	 */
 	rmb();
-	rdpmcl(hit_pmcnum, hits_before);
-	rdpmcl(miss_pmcnum, miss_before);
+	rdpmcq(hit_pmcnum, hits_before);
+	rdpmcq(miss_pmcnum, miss_before);
 	/*
 	 * Use LFENCE to ensure all previous instructions are retired
 	 * before proceeding.
@@ -1051,8 +1051,8 @@ static int measure_residency_fn(struct perf_event_attr *miss_attr,
 	 * before proceeding.
 	 */
 	rmb();
-	rdpmcl(hit_pmcnum, hits_after);
-	rdpmcl(miss_pmcnum, miss_after);
+	rdpmcq(hit_pmcnum, hits_after);
+	rdpmcq(miss_pmcnum, miss_after);
 	/*
 	 * Use LFENCE to ensure all previous instructions are retired
 	 * before proceeding.
-- 
2.49.0


  parent reply	other threads:[~2025-04-22  8:23 UTC|newest]

Thread overview: 94+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-22  8:21 [RFC PATCH v2 00/34] MSR refactor with new MSR instructions support Xin Li (Intel)
2025-04-22  8:21 ` [RFC PATCH v2 01/34] x86/msr: Move rdtsc{,_ordered}() to <asm/tsc.h> Xin Li (Intel)
2025-04-23 14:13   ` Dave Hansen
2025-04-23 17:12     ` Xin Li
2025-04-22  8:21 ` [RFC PATCH v2 02/34] x86/msr: Remove rdpmc() Xin Li (Intel)
2025-04-23 14:23   ` Dave Hansen
2025-04-22  8:21 ` Xin Li (Intel) [this message]
2025-04-23 14:24   ` [RFC PATCH v2 03/34] x86/msr: Rename rdpmcl() to rdpmcq() Dave Hansen
2025-04-23 14:28   ` Sean Christopherson
2025-04-23 15:06     ` Dave Hansen
2025-04-23 17:23       ` Xin Li
2025-04-22  8:21 ` [RFC PATCH v2 04/34] x86/msr: Convert rdpmcq() into a function Xin Li (Intel)
2025-04-23 14:25   ` Dave Hansen
2025-04-22  8:21 ` [RFC PATCH v2 05/34] x86/msr: Return u64 consistently in Xen PMC read functions Xin Li (Intel)
2025-04-22  8:40   ` Jürgen Groß
2025-04-22  8:21 ` [RFC PATCH v2 06/34] x86/msr: Use the alternatives mechanism to read PMC Xin Li (Intel)
2025-04-22  8:38   ` Jürgen Groß
2025-04-22  9:12     ` Xin Li
2025-04-22  9:28       ` Juergen Gross
2025-04-23  7:40         ` Xin Li
2025-04-22  8:21 ` [RFC PATCH v2 07/34] x86/msr: Convert __wrmsr() uses to native_wrmsr{,q}() uses Xin Li (Intel)
2025-04-22  8:21 ` [RFC PATCH v2 08/34] x86/msr: Convert a native_wrmsr() use to native_wrmsrq() Xin Li (Intel)
2025-04-23 15:51   ` Dave Hansen
2025-04-23 17:27     ` Xin Li
2025-04-23 23:23     ` Xin Li
2025-04-22  8:21 ` [RFC PATCH v2 09/34] x86/msr: Add the native_rdmsrq() helper Xin Li (Intel)
2025-04-22  8:21 ` [RFC PATCH v2 10/34] x86/msr: Convert __rdmsr() uses to native_rdmsrq() uses Xin Li (Intel)
2025-04-22 15:09   ` Sean Christopherson
2025-04-23  9:27     ` Xin Li
2025-04-23 13:37       ` Sean Christopherson
2025-04-23 14:02       ` Dave Hansen
2025-04-22  8:21 ` [RFC PATCH v2 11/34] x86/msr: Remove calling native_{read,write}_msr{,_safe}() in pmu_msr_{read,write}() Xin Li (Intel)
2025-04-24  6:25   ` Mi, Dapeng
2025-04-24  7:16     ` Xin Li
2025-04-22  8:21 ` [RFC PATCH v2 12/34] x86/msr: Remove pmu_msr_{read,write}() Xin Li (Intel)
2025-04-24  6:33   ` Mi, Dapeng
2025-04-24  7:21     ` Xin Li
2025-04-24  7:43       ` Mi, Dapeng
2025-04-24  7:50         ` Xin Li
2025-04-24 10:05   ` Jürgen Groß
2025-04-24 17:49     ` Xin Li
2025-04-24 21:14       ` H. Peter Anvin
2025-04-24 22:24         ` Xin Li
2025-04-22  8:21 ` [RFC PATCH v2 13/34] x86/xen/msr: Remove the error pointer argument from set_reg() Xin Li (Intel)
2025-04-24 10:11   ` Jürgen Groß
2025-04-24 17:50     ` Xin Li
2025-04-22  8:21 ` [RFC PATCH v2 14/34] x86/msr: refactor pv_cpu_ops.write_msr{_safe}() Xin Li (Intel)
2025-04-24 10:16   ` Jürgen Groß
2025-04-22  8:21 ` [RFC PATCH v2 15/34] x86/msr: Replace wrmsr(msr, low, 0) with wrmsrq(msr, low) Xin Li (Intel)
2025-04-22  8:21 ` [RFC PATCH v2 16/34] x86/msr: Change function type of native_read_msr_safe() Xin Li (Intel)
2025-04-22  8:21 ` [RFC PATCH v2 17/34] x86/cpufeatures: Add a CPU feature bit for MSR immediate form instructions Xin Li (Intel)
2025-04-22  8:21 ` [RFC PATCH v2 18/34] x86/opcode: Add immediate form MSR instructions Xin Li (Intel)
2025-04-22  8:22 ` [RFC PATCH v2 19/34] x86/extable: Add support for " Xin Li (Intel)
2025-04-22  8:22 ` [RFC PATCH v2 20/34] x86/extable: Implement EX_TYPE_FUNC_REWIND Xin Li (Intel)
2025-04-22  8:22 ` [RFC PATCH v2 21/34] x86/msr: Utilize the alternatives mechanism to write MSR Xin Li (Intel)
2025-04-22  9:57   ` Jürgen Groß
2025-04-23  8:51     ` Xin Li
2025-04-23 16:05       ` Jürgen Groß
2025-04-24  8:06         ` Xin Li
2025-04-24  8:14           ` Jürgen Groß
2025-04-25  1:15             ` H. Peter Anvin
2025-04-25  3:44               ` H. Peter Anvin
2025-04-25  7:01                 ` Jürgen Groß
2025-04-25 15:28                   ` H. Peter Anvin
2025-04-25  6:51               ` Jürgen Groß
2025-04-25 12:33         ` Peter Zijlstra
2025-04-25 12:51           ` Jürgen Groß
2025-04-25 20:12             ` H. Peter Anvin
2025-04-25 15:29           ` H. Peter Anvin
2025-04-25  7:11     ` Peter Zijlstra
2025-04-22  8:22 ` [RFC PATCH v2 22/34] x86/msr: Utilize the alternatives mechanism to read MSR Xin Li (Intel)
2025-04-22  8:59   ` Jürgen Groß
2025-04-22  9:20     ` Xin Li
2025-04-22  9:57       ` Jürgen Groß
2025-04-22 11:12   ` Jürgen Groß
2025-04-23  9:03     ` Xin Li
2025-04-23 16:11       ` Jürgen Groß
2025-04-22  8:22 ` [RFC PATCH v2 23/34] x86/extable: Remove new dead code in ex_handler_msr() Xin Li (Intel)
2025-04-22  8:22 ` [RFC PATCH v2 24/34] x86/mce: Use native MSR API __native_{wr,rd}msrq() Xin Li (Intel)
2025-04-22  8:22 ` [RFC PATCH v2 25/34] x86/msr: Rename native_wrmsrq() to native_wrmsrq_no_trace() Xin Li (Intel)
2025-04-22  8:22 ` [RFC PATCH v2 26/34] x86/msr: Rename native_wrmsr() to native_wrmsr_no_trace() Xin Li (Intel)
2025-04-22  8:22 ` [RFC PATCH v2 27/34] x86/msr: Rename native_write_msr() to native_wrmsrq() Xin Li (Intel)
2025-04-22  8:22 ` [RFC PATCH v2 28/34] x86/msr: Rename native_write_msr_safe() to native_wrmsrq_safe() Xin Li (Intel)
2025-04-22  8:22 ` [RFC PATCH v2 29/34] x86/msr: Rename native_rdmsrq() to native_rdmsrq_no_trace() Xin Li (Intel)
2025-04-22  8:22 ` [RFC PATCH v2 30/34] x86/msr: Rename native_rdmsr() to native_rdmsr_no_trace() Xin Li (Intel)
2025-04-22  8:22 ` [RFC PATCH v2 31/34] x86/msr: Rename native_read_msr() to native_rdmsrq() Xin Li (Intel)
2025-04-22  8:22 ` [RFC PATCH v2 32/34] x86/msr: Rename native_read_msr_safe() to native_rdmsrq_safe() Xin Li (Intel)
2025-04-22  8:22 ` [RFC PATCH v2 33/34] x86/msr: Move the ARGS macros after the MSR read/write APIs Xin Li (Intel)
2025-04-22  8:22 ` [RFC PATCH v2 34/34] x86/msr: Convert native_rdmsr_no_trace() uses to native_rdmsrq_no_trace() uses Xin Li (Intel)
2025-04-22 15:03 ` [RFC PATCH v2 00/34] MSR refactor with new MSR instructions support Sean Christopherson
2025-04-22 17:51   ` Xin Li
2025-04-22 18:05     ` Luck, Tony
2025-04-22 19:44       ` Ingo Molnar
2025-04-22 19:51         ` Sean Christopherson

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