linux-kernel - Re: [PATCH 1/1] x86/entry: remove unused argument %rsi passed to exc

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Message-ID: <6610548d-4b3a-49cb-83a2-b9047f96e03e@zytor.com>
Date:   Wed, 27 Sep 2023 01:12:06 -0700
From:   Xin Li <xin@...or.com>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     linux-kernel@...r.kernel.org, luto@...nel.org, tglx@...utronix.de,
        mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com,
        x86@...nel.org, hpa@...or.com
Subject: Re: [PATCH 1/1] x86/entry: remove unused argument %rsi passed to
 exc_nmi()

On 9/27/2023 1:06 AM, Ingo Molnar wrote:
> 
> * xin@...or.com <xin@...or.com> wrote:
> 
>> From: "Xin Li (Intel)" <xin@...or.com>
>>
>> exc_nmi() only takes one argument of type struct pt_regs *, but
>> asm_exc_nmi() calls it with 2 arguments. The second one passed
>> in %rsi seems a leftover, so simply remove it.
>>
>> BTW, fix 2 slips in the comments.
>>
>> Signed-off-by: Xin Li (Intel) <xin@...or.com>
>> Acked-by: H. Peter Anvin (Intel) <hpa@...or.com>
>> ---
>>   arch/x86/entry/entry_64.S | 10 ++++------
>>   1 file changed, 4 insertions(+), 6 deletions(-)
> 
> I've split this into two patches, because the comment fixes
> are entirely unrelated to this patch.
> 
> [ I've propagated the SOBs and Acked-by's to the two patches,
>    as I presume is fine by everyone involved? ]

surely no problem at all!