linux-kernel - [tip: x86/merge] x86/msr: Remove the unused rdpmc() method

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Message-ID: <174617666670.22196.10268361923190087856.tip-bot2@tip-bot2>
Date: Fri, 02 May 2025 09:04:26 -0000
From: "tip-bot2 for Xin Li (Intel)" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: "Xin Li (Intel)" <xin@...or.com>, Ingo Molnar <mingo@...nel.org>,
 Dave Hansen <dave.hansen@...ux.intel.com>,
 "Peter Zijlstra (Intel)" <peterz@...radead.org>,
 Andy Lutomirski <luto@...nel.org>, Brian Gerst <brgerst@...il.com>,
 Juergen Gross <jgross@...e.com>, "H. Peter Anvin" <hpa@...or.com>,
 Linus Torvalds <torvalds@...ux-foundation.org>,
 Kees Cook <keescook@...omium.org>, Borislav Petkov <bp@...en8.de>,
 Thomas Gleixner <tglx@...utronix.de>, Josh Poimboeuf <jpoimboe@...hat.com>,
 Uros Bizjak <ubizjak@...il.com>, x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: x86/merge] x86/msr: Remove the unused rdpmc() method

The following commit has been merged into the x86/merge branch of tip:

Commit-ID:     91882511ef905fdfb7d33be88f6ddb91012ee30f
Gitweb:        https://git.kernel.org/tip/91882511ef905fdfb7d33be88f6ddb91012ee30f
Author:        Xin Li (Intel) <xin@...or.com>
AuthorDate:    Sun, 27 Apr 2025 02:20:15 -07:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Fri, 02 May 2025 10:25:04 +02:00

x86/msr: Remove the unused rdpmc() method

rdpmc() is not used anywhere anymore, remove it.

Signed-off-by: Xin Li (Intel) <xin@...or.com>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Acked-by: Dave Hansen <dave.hansen@...ux.intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Cc: Andy Lutomirski <luto@...nel.org>
Cc: Brian Gerst <brgerst@...il.com>
Cc: Juergen Gross <jgross@...e.com>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Kees Cook <keescook@...omium.org>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Josh Poimboeuf <jpoimboe@...hat.com>
Cc: Uros Bizjak <ubizjak@...il.com>
Link: https://lore.kernel.org/r/20250427092027.1598740-4-xin@zytor.com
---
 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 f5c0969..07d45fc 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -217,13 +217,6 @@ 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 86a7752..c4dedb9 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)