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From: Juergen Gross <jgross@suse.com>
To: linux-kernel@vger.kernel.org, x86@kernel.org, linux-pm@vger.kernel.org
Cc: Juergen Gross <jgross@suse.com>, "H. Peter Anvin" <hpa@zytor.com>,
	Thomas Gleixner <tglx@kernel.org>, Ingo Molnar <mingo@redhat.com>,
	Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Daniel Lezcano <daniel.lezcano@kernel.org>,
	Zhang Rui <rui.zhang@intel.com>,
	Lukasz Luba <lukasz.luba@arm.com>
Subject: [PATCH v3 10/11] x86/msr: Switch wrmsr_safe_on_cpu() users to wrmsrq_safe_on_cpu()
Date: Mon,  8 Jun 2026 07:17:40 +0200	[thread overview]
Message-ID: <20260608051741.3207435-11-jgross@suse.com> (raw)
In-Reply-To: <20260608051741.3207435-1-jgross@suse.com>

In order to prepare retiring wrmsr_safe_on_cpu() switch
wrmsr_safe_on_cpu() users to wrmsrq_safe_on_cpu().

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com>
---
V2:
- instead of changing wrmsr_safe_on_cpu(), use wrmsrq_safe_on_cpu()
  (Ingo Molnar)
---
 arch/x86/kernel/msr.c             | 4 ++--
 drivers/thermal/intel/intel_tcc.c | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
index 60334317f30b..34bdb752f892 100644
--- a/arch/x86/kernel/msr.c
+++ b/arch/x86/kernel/msr.c
@@ -109,7 +109,7 @@ static ssize_t msr_write(struct file *file, const char __user *buf,
 			 size_t count, loff_t *ppos)
 {
 	const u32 __user *tmp = (const u32 __user *)buf;
-	u32 data[2];
+	u64 data;
 	u32 reg = *ppos;
 	int cpu = iminor(file_inode(file));
 	int err = 0;
@@ -134,7 +134,7 @@ static ssize_t msr_write(struct file *file, const char __user *buf,
 
 		add_taint(TAINT_CPU_OUT_OF_SPEC, LOCKDEP_STILL_OK);
 
-		err = wrmsr_safe_on_cpu(cpu, reg, data[0], data[1]);
+		err = wrmsrq_safe_on_cpu(cpu, reg, data);
 		if (err)
 			break;
 
diff --git a/drivers/thermal/intel/intel_tcc.c b/drivers/thermal/intel/intel_tcc.c
index c6772a5e073a..59f70bb5ffa5 100644
--- a/drivers/thermal/intel/intel_tcc.c
+++ b/drivers/thermal/intel/intel_tcc.c
@@ -261,7 +261,7 @@ int intel_tcc_set_offset(int cpu, int offset)
 	if (cpu < 0)
 		return wrmsr_safe(MSR_IA32_TEMPERATURE_TARGET, val.l, val.h);
 	else
-		return wrmsr_safe_on_cpu(cpu, MSR_IA32_TEMPERATURE_TARGET, val.l, val.h);
+		return wrmsrq_safe_on_cpu(cpu, MSR_IA32_TEMPERATURE_TARGET, val.q);
 }
 EXPORT_SYMBOL_NS_GPL(intel_tcc_set_offset, "INTEL_TCC");
 
-- 
2.54.0


  parent reply	other threads:[~2026-06-08  5:18 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-08  5:17 [PATCH v3 00/11] x86/msr: Drop 32-bit variants of *_on_cpu() MSR functions Juergen Gross
2026-06-08  5:17 ` [PATCH v3 01/11] x86/msr: Switch rdmsrl_on_cpu() users to rdmsrq_on_cpu() Juergen Gross
2026-06-08  5:54   ` K Prateek Nayak
2026-06-08  5:17 ` [PATCH v3 03/11] x86/msr: Switch rdmsr_on_cpu() " Juergen Gross
2026-06-08  5:17 ` [PATCH v3 05/11] x86/msr: Switch wrmsr_on_cpu() users to wrmsrq_on_cpu() Juergen Gross
2026-06-08  5:17 ` [PATCH v3 08/11] x86/msr: Switch rdmsr_safe_on_cpu() users to rdmsrq_safe_on_cpu() Juergen Gross
2026-06-08  5:17 ` Juergen Gross [this message]
2026-06-08  5:59 ` [PATCH v3 00/11] x86/msr: Drop 32-bit variants of *_on_cpu() MSR functions K Prateek Nayak

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