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Date: Wed, 06 Nov 2013 09:22:36 +0800 From: Gu Zheng <guz.fnst@...fujitsu.com> To: Dan Carpenter <dan.carpenter@...cle.com> CC: jfrederich@...il.com, dsd@...top.org, jon.nettleton@...il.com, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, devel@...verdev.osuosl.org, Tomi Valkeinen <tomi.valkeinen@...com>, Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>, linux-kernel <linux-kernel@...r.kernel.org> Subject: Re: [RESEND PATCH 2/2] staging/olpc_docn: reorder the lock sequence to avoid potential dead lock Hi Dan, On 11/05/2013 07:02 PM, Dan Carpenter wrote: > On Tue, Nov 05, 2013 at 06:01:00PM +0800, Gu Zheng wrote: >> The lock sequence of dcon_blank_fb(fb_info->lock ---> console_lock) is against >> with the one of console_callback(console_lock ---> fb_info->lock), it'll >> lead to a potential dead lock, so reorder the lock sequence of dcon_blank_fb >> to avoid the potential dead lock. >> >> Signed-off-by: Gu Zheng <guz.fnst@...fujitsu.com> > > Relax, Greg isn't taking new patches for another three weeks because the > merge window is open. Got it, I just want to gain some comments about this patch. > > Also what happened to [PATCH 1/2]? It fixes the similar issue of fb subsystem. https://patchwork.kernel.org/patch/3140121/ Regards, Gu > > regards, > dan carpenter > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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