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Date: Fri, 5 Apr 2024 10:23:24 +0900
From: Masami Hiramatsu (Google) <mhiramat@kernel.org>
To: paulmck@kernel.org
Cc: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
 linux-fsdevel@vger.kernel.org, Zhenhua Huang <quic_zhenhuah@quicinc.com>
Subject: Re: [PATCH fs/proc/bootconfig] remove redundant comments from
 /proc/bootconfig
Message-Id: <20240405102324.b7bb9fa052754d352cd2708e@kernel.org>
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On Thu, 4 Apr 2024 10:43:14 -0700
"Paul E. McKenney" <paulmck@kernel.org> wrote:

> On Thu, Apr 04, 2024 at 08:55:22AM +0900, Masami Hiramatsu wrote:
> > On Wed, 3 Apr 2024 12:16:28 -0700
> > "Paul E. McKenney" <paulmck@kernel.org> wrote:
> > 
> > > commit 717c7c894d4b ("fs/proc: Add boot loader arguments as comment to
> > > /proc/bootconfig") adds bootloader argument comments into /proc/bootconfig.
> > > 
> > > /proc/bootconfig shows boot_command_line[] multiple times following
> > > every xbc key value pair, that's duplicated and not necessary.
> > > Remove redundant ones.
> > > 
> > > Output before and after the fix is like:
> > > key1 = value1
> > > *bootloader argument comments*
> > > key2 = value2
> > > *bootloader argument comments*
> > > key3 = value3
> > > *bootloader argument comments*
> > > ...
> > > 
> > > key1 = value1
> > > key2 = value2
> > > key3 = value3
> > > *bootloader argument comments*
> > > ...
> > > 
> > > Fixes: 717c7c894d4b ("fs/proc: Add boot loader arguments as comment to /proc/bootconfig")
> > > Signed-off-by: Zhenhua Huang <quic_zhenhuah@quicinc.com>
> > > Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
> > > Cc: Masami Hiramatsu <mhiramat@kernel.org>
> > > Cc: <linux-trace-kernel@vger.kernel.org>
> > > Cc: <linux-fsdevel@vger.kernel.org>
> > 
> > OOps, good catch! Let me pick it.
> > 
> > Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
> 
> Thank you, and I have applied your ack and pulled this into its own
> bootconfig.2024.04.04a.
> 
> My guess is that you will push this via your own tree, and so I will
> drop my copy as soon as yours hits -next.

Thanks! I would like to make PR this soon as bootconfig fixes for v6.9-rc2.

Thank you,

> 
> 							Thanx, Paul
> 
> > Thank you!
> > 
> > > 
> > > diff --git a/fs/proc/bootconfig.c b/fs/proc/bootconfig.c
> > > index 902b326e1e560..e5635a6b127b0 100644
> > > --- a/fs/proc/bootconfig.c
> > > +++ b/fs/proc/bootconfig.c
> > > @@ -62,12 +62,12 @@ static int __init copy_xbc_key_value_list(char *dst, size_t size)
> > >  				break;
> > >  			dst += ret;
> > >  		}
> > > -		if (ret >= 0 && boot_command_line[0]) {
> > > -			ret = snprintf(dst, rest(dst, end), "# Parameters from bootloader:\n# %s\n",
> > > -				       boot_command_line);
> > > -			if (ret > 0)
> > > -				dst += ret;
> > > -		}
> > > +	}
> > > +	if (ret >= 0 && boot_command_line[0]) {
> > > +		ret = snprintf(dst, rest(dst, end), "# Parameters from bootloader:\n# %s\n",
> > > +			       boot_command_line);
> > > +		if (ret > 0)
> > > +			dst += ret;
> > >  	}
> > >  out:
> > >  	kfree(key);
> > 
> > 
> > -- 
> > Masami Hiramatsu (Google) <mhiramat@kernel.org>


-- 
Masami Hiramatsu (Google) <mhiramat@kernel.org>