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From: "Xin Li (Intel)" <xin@zytor.com>
To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
	linux-perf-users@vger.kernel.org, linux-hyperv@vger.kernel.org,
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Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
	dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com,
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Subject: [PATCH v4 03/15] x86/msr: Remove rdpmc()
Date: Sun, 27 Apr 2025 02:20:15 -0700	[thread overview]
Message-ID: <20250427092027.1598740-4-xin@zytor.com> (raw)
In-Reply-To: <20250427092027.1598740-1-xin@zytor.com>

rdpmc() is not used anywhere, remove it.

Signed-off-by: Xin Li (Intel) <xin@zytor.com>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
 arch/x86/include/asm/msr.h      | 7 -------
 arch/x86/include/asm/paravirt.h | 7 -------
 2 files changed, 14 deletions(-)

diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index 2caa13830e11..e05466e486fc 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -234,13 +234,6 @@ static inline int rdmsrq_safe(u32 msr, u64 *p)
 	return err;
 }
 
-#define rdpmc(counter, low, high)			\
-do {							\
-	u64 _l = native_read_pmc((counter));		\
-	(low)  = (u32)_l;				\
-	(high) = (u32)(_l >> 32);			\
-} while (0)
-
 #define rdpmcl(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 86a77528792d..c4dedb984735 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -244,13 +244,6 @@ static inline u64 paravirt_read_pmc(int counter)
 	return PVOP_CALL1(u64, cpu.read_pmc, counter);
 }
 
-#define rdpmc(counter, low, high)		\
-do {						\
-	u64 _l = paravirt_read_pmc(counter);	\
-	low = (u32)_l;				\
-	high = _l >> 32;			\
-} while (0)
-
 #define rdpmcl(counter, val) ((val) = paravirt_read_pmc(counter))
 
 static inline void paravirt_alloc_ldt(struct desc_struct *ldt, unsigned entries)
-- 
2.49.0


  parent reply	other threads:[~2025-04-27  9:21 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-27  9:20 [PATCH v4 00/15] MSR code cleanup part one Xin Li (Intel)
2025-04-27  9:20 ` [PATCH v4 01/15] x86/msr: Add missing includes of <asm/msr.h> Xin Li (Intel)
2025-04-29  9:45   ` Ilpo Järvinen
2025-04-29 17:27     ` Xin Li
2025-04-30  4:20     ` Michael Kelley
2025-04-30  9:12       ` Xin Li
2025-04-30  8:41     ` Xin Li
2025-04-30  9:17       ` Ilpo Järvinen
2025-04-30 17:34         ` Xin Li
2025-05-01  5:42     ` [PATCH v4A " Xin Li (Intel)
2025-05-02 13:13       ` Ilpo Järvinen
2025-05-02 17:50         ` Xin Li
2025-04-27  9:20 ` [PATCH v4 02/15] x86/msr: Move rdtsc{,_ordered}() to <asm/tsc.h> Xin Li (Intel)
2025-05-02  8:02   ` Ingo Molnar
2025-05-02 18:09     ` Xin Li
2025-05-02  8:18   ` Ingo Molnar
2025-05-02 18:01     ` Xin Li
2025-05-02  8:52   ` Ingo Molnar
2025-05-02 18:00     ` Xin Li
2025-04-27  9:20 ` Xin Li (Intel) [this message]
2025-04-27  9:20 ` [PATCH v4 04/15] x86/msr: Rename rdpmcl() to rdpmc() Xin Li (Intel)
2025-04-27  9:20 ` [PATCH v4 05/15] x86/msr: Convert the rdpmc() macro into an always inline function Xin Li (Intel)
2025-04-27  9:20 ` [PATCH v4 06/15] x86/xen/msr: Return u64 consistently in Xen PMC read functions Xin Li (Intel)
2025-04-27  9:20 ` [PATCH v4 07/15] x86/msr: Convert __wrmsr() uses to native_wrmsr{,q}() uses Xin Li (Intel)
2025-04-27  9:20 ` [PATCH v4 08/15] x86/msr: Add the native_rdmsrq() helper Xin Li (Intel)
2025-04-27  9:20 ` [PATCH v4 09/15] x86/msr: Convert __rdmsr() uses to native_rdmsrq() uses Xin Li (Intel)
2025-04-27  9:20 ` [PATCH v4 10/15] x86/xen/msr: Remove calling native_{read,write}_msr{,_safe}() in pmu_msr_{read,write}() Xin Li (Intel)
2025-05-02  8:30   ` Ingo Molnar
2025-04-27  9:20 ` [PATCH v4 11/15] x86/xen/msr: Remove pmu_msr_{read,write}() Xin Li (Intel)
2025-04-27  9:20 ` [PATCH v4 12/15] x86/xen/msr: Remove the error pointer argument from set_seg() Xin Li (Intel)
2025-04-27  9:20 ` [PATCH v4 13/15] x86/pvops/msr: refactor pv_cpu_ops.write_msr{,_safe}() Xin Li (Intel)
2025-04-27  9:20 ` [PATCH v4 14/15] x86/msr: Replace wrmsr(msr, low, 0) with wrmsrq(msr, low) Xin Li (Intel)
2025-04-27  9:20 ` [PATCH v4 15/15] x86/msr: Change the function type of native_read_msr_safe() Xin Li (Intel)
2025-05-02 14:13 ` [PATCH v4 00/15] MSR code cleanup part one Michael Kelley

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