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From: Greg KH <gregkh@linuxfoundation.org>
To: xiaomin1 <xiaoming.wang@intel.com>
Cc: arnd@arndb.de, linux-kernel@vger.kernel.org,
	chuansheng.liu@intel.com,
	Zhang Dongxing <dongxing.zhang@intel.com>
Subject: Re: [PATCH] move file->f_op->open out of mutex (misc_mtx) in misc_open
Date: Fri, 9 Jan 2015 14:47:07 -0800	[thread overview]
Message-ID: <20150109224707.GA3026@kroah.com> (raw)
In-Reply-To: <1420504447-9670-1-git-send-email-xiaoming.wang@intel.com>

On Tue, Jan 06, 2015 at 08:34:07AM +0800, xiaomin1 wrote:
> misc_mtx was used to mutex misc_list.
> But file->f_op->open may be blocked by downloading
> firmware in some devices' open.
> So move file->f_op->open out of mutex (misc_mtx)
> in misc_open to avoid this block.
> It also make code more efficiency.
> 
> Signed-off-by: Zhang Dongxing <dongxing.zhang@intel.com>
> Signed-off-by: xiaoming wang <xiaoming.wang@intel.com>
> ---
>  drivers/char/misc.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)


Please fix up your "From:" line to match your signed-off-by line, as I
can't take it the way you sent this.

greg k-h

  parent reply	other threads:[~2015-01-09 22:47 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-06  0:34 [PATCH] move file->f_op->open out of mutex (misc_mtx) in misc_open xiaomin1
2015-01-05 13:58 ` One Thousand Gnomes
2015-01-09 22:47 ` Greg KH [this message]
  -- strict thread matches above, loose matches on Subject: below --
2015-01-05  9:14 Hillf Danton

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