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From: "Jürgen Groß" <jgross@suse.com>
To: Sean Christopherson <seanjc@google.com>
Cc: linux-kernel@vger.kernel.org, x86@kernel.org,
	kvm@vger.kernel.org, xin@zytor.com,
	Paolo Bonzini <pbonzini@redhat.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH 2/6] x86/kvm: Rename the KVM private read_msr() function
Date: Tue, 6 May 2025 15:58:24 +0200	[thread overview]
Message-ID: <9cf55cbe-68e0-423c-9d2b-dfae582ae175@suse.com> (raw)
In-Reply-To: <aBoUdApwSgnr3r9V@google.com>


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On 06.05.25 15:53, Sean Christopherson wrote:
> On Tue, May 06, 2025, Juergen Gross wrote:
>> Avoid a name clash with a new general MSR access helper after a future
>> MSR infrastructure rework by renaming the KVM specific read_msr() to
>> kvm_read_msr().
>>
>> Signed-off-by: Juergen Gross <jgross@suse.com>
>> ---
>>   arch/x86/include/asm/kvm_host.h | 2 +-
>>   arch/x86/kvm/vmx/vmx.c          | 4 ++--
>>   2 files changed, 3 insertions(+), 3 deletions(-)
>>
>> diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
>> index 9c971f846108..308f7020dc9d 100644
>> --- a/arch/x86/include/asm/kvm_host.h
>> +++ b/arch/x86/include/asm/kvm_host.h
>> @@ -2275,7 +2275,7 @@ static inline void kvm_load_ldt(u16 sel)
>>   }
>>   
>>   #ifdef CONFIG_X86_64
>> -static inline unsigned long read_msr(unsigned long msr)
> 
> Ewwww.  Eww, eww, eww.  I forgot this thing existed.
> 
> Please just delete this and use rdmsrq() directly (or is it still rdmsrl()? at
> this point?).

rdmsrq() it is.

Fine with me.


Juergen

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  reply	other threads:[~2025-05-06 13:58 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-06  9:20 [PATCH 0/6] x86/msr: let paravirt inline rdmsr/wrmsr instructions Juergen Gross
2025-05-06  9:20 ` [PATCH 2/6] x86/kvm: Rename the KVM private read_msr() function Juergen Gross
2025-05-06 13:53   ` Sean Christopherson
2025-05-06 13:58     ` Jürgen Groß [this message]
2025-05-06 16:16     ` Ingo Molnar
2025-05-06 16:29       ` H. Peter Anvin
2025-05-06  9:20 ` [PATCH 3/6] x86/msr: minimize usage of native_*() msr access functions Juergen Gross
2025-05-06 14:24   ` Sean Christopherson
2025-05-09 21:49   ` Wei Liu
2025-05-10 16:03 ` [PATCH 0/6] x86/msr: let paravirt inline rdmsr/wrmsr instructions Michael Kelley

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