linux-kernel - Re: [PATCH 01/12] Use mutex instead of semaphore in driver core

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Date:	Sat, 29 Dec 2007 09:52:11 +0800
From:	"Dave Young" <hidave.darkstar@...il.com>
To:	"Peter Zijlstra" <peterz@...radead.org>
Cc:	gregkh@...e.de, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 01/12] Use mutex instead of semaphore in driver core

On Dec 29, 2007 9:42 AM, Peter Zijlstra <peterz@...radead.org> wrote:
>
> On Sat, 2007-12-29 at 09:36 +0800, Dave Young wrote:
> > On Dec 29, 2007 9:29 AM, Peter Zijlstra <peterz@...radead.org> wrote:
> > >
> > >
> > > I'm pretty sure you didn't boot that kernel with lockdep enabled.
> > Yes, I will try rebuild with lockdep  and test.
>
> I'll fail miserably :-)
>
> >From your other mail:
> > No,  I checked the config , lockdep is indeed enabled. But I will try
> > to test with the lock debug options enabled in a while.
>
> You need to actually boot the kernel to get effective reports from
> lockdep, it'll build just fine.
>
> > > Also, most, if not all, of your patches miss a patch description.
> >
> > Does the description really needed for it? IMHO, the subject is enough
> > to descript the patches.
>
> Preferably, the subject might convey what you are doing, but the full
> description should at least add to that by telling _why_ you are doing
> that.

Hm, actually it's not so hard, but If I resend the 12 patches seems
like spam to lkml :-).

Of cource, if you all don't mind and it is really needed, I will do that.

>
> Also, I don't think your series is bisectable, ie. 1/12 changes
> device::sem -> device::mutex, and 12/12 changes a user of it.

Sorry, I don't use git tools now. Could you tell me how to fix it?
thanks in advance.

Regards
dave
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