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From: Juergen Gross <jgross@suse.com>
To: linux-kernel@vger.kernel.org, x86@kernel.org,
	virtualization@lists.linux.dev
Cc: Juergen Gross <jgross@suse.com>,
	Thomas Gleixner <tglx@kernel.org>, Ingo Molnar <mingo@redhat.com>,
	Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Ajay Kaher <ajay.kaher@broadcom.com>,
	Alexey Makhalov <alexey.makhalov@broadcom.com>,
	Broadcom internal kernel review list
	<bcm-kernel-feedback-list@broadcom.com>
Subject: [PATCH 30/32] x86/msr: Remove rdmsr()
Date: Mon, 29 Jun 2026 08:05:21 +0200	[thread overview]
Message-ID: <20260629060526.3638272-31-jgross@suse.com> (raw)
In-Reply-To: <20260629060526.3638272-1-jgross@suse.com>

rdmsr() has no users left. Delete it.

Signed-off-by: Juergen Gross <jgross@suse.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 badab5762f3a..6d7bab33af71 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -179,13 +179,6 @@ static inline u64 native_read_pmc(int counter)
  * pointer indirection), this allows gcc to optimize better
  */
 
-#define rdmsr(msr, low, high)					\
-do {								\
-	u64 __val = native_read_msr((msr));			\
-	(void)((low) = (u32)__val);				\
-	(void)((high) = (u32)(__val >> 32));			\
-} while (0)
-
 #define rdmsrq(msr, val)			\
 	((val) = native_read_msr((msr)))
 
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 47d4e36d14cb..93754aa60d5e 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -150,13 +150,6 @@ static inline int paravirt_write_msr_safe(u32 msr, u64 val)
 	return PVOP_CALL2(int, pv_ops, cpu.write_msr_safe, msr, val);
 }
 
-#define rdmsr(msr, val1, val2)			\
-do {						\
-	u64 _l = paravirt_read_msr(msr);	\
-	val1 = (u32)_l;				\
-	val2 = _l >> 32;			\
-} while (0)
-
 #define rdmsrq(msr, val)			\
 do {						\
 	val = paravirt_read_msr(msr);		\
-- 
2.54.0


  parent reply	other threads:[~2026-06-29  6:08 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-29  6:04 [PATCH 00/32] x86/msr: Drop 32-bit MSR interfaces Juergen Gross
2026-06-29  6:05 ` [PATCH 15/32] x86/msr: Remove rdmsr_safe() Juergen Gross
2026-06-29  6:05 ` [PATCH 26/32] x86/msr: Remove wrmsr() Juergen Gross
2026-06-29  6:05 ` Juergen Gross [this message]
2026-06-29  6:05 ` [PATCH 31/32] treewide: convert rdmsrq() from a macro to an inline function Juergen Gross
2026-06-29  6:52 ` [PATCH 00/32] x86/msr: Drop 32-bit MSR interfaces Arnd Bergmann
2026-06-29  7:01   ` Jürgen Groß
2026-06-29  8:06     ` Arnd Bergmann
2026-06-29  8:15       ` Jürgen Groß
2026-06-29  8:38         ` Arnd Bergmann
2026-06-29 11:19       ` Ingo Molnar

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