linux-kernel - RE: [RFC][PATCH 1/2] efivars: Disable external interrupt while holding efivars->lock

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Date:	Fri, 17 Aug 2012 20:43:13 +0000
From:	Seiji Aguchi <seiji.aguchi@....com>
To:	Mike Waychison <mikew@...gle.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Luck, Tony (tony.luck@...el.com)" <tony.luck@...el.com>,
	"Matthew Garrett (mjg@...hat.com)" <mjg@...hat.com>,
	"dzickus@...hat.com" <dzickus@...hat.com>,
	"dle-develop@...ts.sourceforge.net" 
	<dle-develop@...ts.sourceforge.net>,
	Satoru Moriya <satoru.moriya@....com>
Subject: RE: [RFC][PATCH 1/2] efivars: Disable external interrupt while
 holding efivars->lock

> This isn't necessary (nor desirable).  If the API here is that we get called from process context for ->open and ->close(), just use the
> spin_lock_irq and spin_unlock_irq variants for these paths (avoiding the need to remove the lock acquire in ->open and ->close.

OK. I will update my patch based on your comment above.
Thank you for your quick response.

Seiji

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