linux-kernel - Re: [PATCH] bit_spinlock: Include <asm/processor.h>

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Message-ID: <Y7vPnXaUBXPwO0Bj@kadam>
Date:   Mon, 9 Jan 2023 11:26:05 +0300
From:   Dan Carpenter <error27@...il.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Vineet Gupta <vgupta@...nel.org>,
        linux-snps-arc@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] bit_spinlock: Include <asm/processor.h>

On Sun, Jan 08, 2023 at 08:04:44PM +0100, Christophe JAILLET wrote:
> In an attempt to simplify some includes in <include/dcache.h>, it
> appeared, when compiling fs/ecryptfs/dentry.c, that <linux/bit_spinlock.h>
> was relying on other includes to get the definition of cpu_relax().
> (see [1])
> 
> It broke on arc.
> 
> Include <asm/processor.h> in <linux/bit_spinlock.h> to fix the issue.
> This will help remove some un-needed includes from <include/dcache.h>.
> 
> [1]: https://lore.kernel.org/all/202301082130.LXMj5qkD-lkp@intel.com/
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
> Not sure who to send this to.
> get_maintainer.pl is of no help, and the file is untouched from a too long
> time.
> 
> Greg? Dan? Any pointer?

Andrew Morton is the maintainer of last resort.  Plus spinlocks seem
like something he would be interested in.  Otherwise Ingo, Peter Z and
the x86 team.

regards,
dan carpenter